es aa " . Tray } a4 “eee “ re e- be Sed hey ‘ “P . a “mh ] ™ tS ae te | ee ? bak ee Me 4 7 ’ : el ea oS ie % A ieee 5 Pe ¥ if eee Pe es a* € Ca - Md ae > - I ‘7 4 , . > *. State of Connecticut 3 Geological and Natural History Survey BULLETIN NO. 34 — GUIDE TO THE INSECTS OF CONNECTICUT PREPARED UNDER THE DIRECTION OF WILTON EVERETT BRITTON, Pux.D. mologist and Entomologist of the Connecticut Agricultural Experiment Station PART IV = T I he Hemiptera or Sucking Insects of Connecticut By ae WILTON EVERETT BRITTON, Pu.D. | WITH THE COLLABORATION OF Francis Asgort, Pu.D., Professor of Zoology, Washington a al ~ —.* ae or University. x CHALLEN BAKER, Fey: U. S. Bureau of Entomology ee DNER BARBER, A. M., Teacher, DeWitt Clinton Fgh (ey New rk City. Tuompson Davis, New York Entomological Socieiy. Moore DELona, Pa, D., Assistant Professor of erent Ohio > University. ea Funxkuouser, Pu.D., Professor of Zoology, University entucky Hazieton Kwicut, Pxu.D., Assistant Entomologist, Minnesota Agricultural Experiment Station. A st Maxson, Great Western Sugar Company Experiment ion See Oszorn, D.Sc., Professor of Zoology and Entomology, Ohio State Iniversity. Rp Maptson ParsHLey, Sc.D., Associate Professor of Zoology, Smith i ge. MARION PartcH, Pu.D., Entomologist, Maine Agricultural Experi- ut Station. Acassiz Stearns, M.Sc., Associate Entomologist, Virginia State Pest Commussion. LLIN DE LA TorRE-BuENO, F.E.S., Editor, Bulletin Brooklyn mological Society. ) PAYSON Van Duzeet, Curator of Entomology, California Academy 7 Frost Witson, M.S., Professor of Economic Entomology, e sity of Wisconsin. : HARTFORD PUBLISHED BY THE STATE 1923 a ethie State of Connecticut PUBLIC DOCUMENT No. 47 State Geological and Natural History Survey H H. ROBINSON, Superintendent BULLETIN NO. 34 HARTFORD Printed for the State Geological and Natural History Survey 1923 State Geological and Natural History Survey COMMISSIONERS Cuartes A, TEMPLETON, Governor of Connecticut JaMES RowLanp ANGELL, President of Yale University WILLIAM ARNOLD SHANKLIN, President of Wesleyan University REMSEN BRINCKERHOFF OciLzBy, President of Trinity College Cuarvtes Lewis Beacu, President of Connecticut Agricultural College BENJAMIN TINKHAM MarsSHALL, President of Connecticut College for Women SUPERINTENDENT H. H. Ropinson DISTRIBUTION AND EXCHANGE AGENT GEORGE S. GODARD Publication Approved by the Board of Control GUIDE TO THE INSECTS OF CONNECTICUT PREPARED UNDER THE DIRECTION OF WILTON EVERETT BRITTON, Pux.D. State Entomologist and Entomologist of the Connecticut Agricultural Experiment Station PART IV The Hemiptera or Sucking Insects of Connecticut By WILTON EVERETT BRITTON, Pas.D. WITH THE COLLABORATION OF James Francis Appott, PuH.D., Professor of Zoology, Washington University. ARTHUR CHALLEN Baker, Pu.D., U. S. Bureau of Entomology. Harry GARDNER Barser, A.M., Teacher, DeWitt Clinton High School, New York City. WirtiAm THompson Davis, New York Entomological Society. Dwicut Moore Detone, Pu.D., Assistant Professor of Entomology, Ohio State University. WittiaAM DELBERT FUNKHOUSER, PH.D., Professor of Zoology, University of Kentucky. Harry Hazrteton Kwnicut, Pu.D., Assistant Entomologist, Minnesota Agriculiural Experiment Station. Asa CHANDLER Maxson, Great Western Sugar Company Experiment Station. HERBERT Osporn, D.Sc., Professor of Zoology and Entomology, Ohio State University. f Howarp Mapison Parsutiey, Sc.D., Associate Professor of Zoology, Smith College. EpirH Marion Patcu, Pu.D., Entomologist, Maine Agricultural Experi- ment Station. Louis Acassiz STEARNS, M.Sc., Associate Entomologist, Virginia State Crop Pest Commussion. Jost RoLtiIn DE LA TorrE-BUENO, F.E.S., Editor, Bulletin Brooklyn Entomological Society. Epwarp Payson VAN Duzee, Curator of Entomology, California Academy of Sciences. Hartey Frost Witson, M.S., Professor of Economic Entomology, University of Wisconsin. HARTFORD Printed for the State Geological and Natural History Survey 1923 CONTENTS Page Introduction : ; : : : ; 4 9 Statistics : ‘ : ’ : ; t 12 Explanation of collectors’ initials . : ; ; 13 Authorship : : : : ; : : ; 15 Order HEMIPTERA : : : Wy Suborder PARASITICA . : A : 17 Family HAEMATOMYZIDAE . : ; ; ; : 18 Pee EDICULIDAE. . : : : : : 18 ““ HAEMATOPINIDAE . ‘ ; : ‘ é 19 “_ ECHINOPHTHIRIDAE : : : : 23 Suborder HoMopTERA : : : , : : ae Family FuLcorIpAE . : : : ‘ : : 24 ee) (CICADELLIDAE : ‘ ; : : ; 56 “ MEMBRACIDAE : : ‘ ; : , 163 “ CERCOPIDAE . : Se : : 206 ff. CICADIDAE : : : : ; : ‘ 238 “__ PSYLLIDAE (or CHERMIDAE) . : : : 243 a APHIDIDAE .— . : 3 : ; : F 250 “« ALEYRODIDAE . : : Ait « : : 335 a COCCIDAE : : : : : : : 346 Suborder HETEROPTERA : f : : : , 383 Family CoRIXIDAE . ; ‘ P f : ; 386 fe OCHTERIDAE .. : : : : é : 391 ““_NERTHRIDAE . : 5 : ; ! 392 ““ BELOSTOMATIDAE . : : : : 396 “ - NEPIDAE : ‘ . : : : 399 Se INAUCORIDAE . : : : : ; ‘ 402 “ NOTONECTIDAE : , ’ : : : 404 “ SALDIDAE P : : ; ; . y 408 “_ VELIIDAE : ‘ ‘ : : ; : 416 “ MiripaE (CAaApsIDAE) : : ; 422 ‘““ — GERRIDAE : ; : 658 HYDROMETRIDAE . : ‘ ; ; t 663 CONNECTICUT GEOL. AND NAT: BIST, SURVES Family TERMATOPHYLIDAE . ‘ce “sé Index ANTHOCORIDAE : ; ‘ : CIMICIDAE NABIDAE MESOVELIIDAE ; ? NAEOGEIDAE (or HEBRIDAE) REDUVIIDAE PHYMATIDAE ENICOCEPHALIDAE PIESMIDAE TINGIDAE LYGAEIDAE NEIDIDAE ARADIDAE COREIDAE ALYDIDAE CORIZIDAE PENTATOMIDAE CYDNIDAE SCUTELLERIDAE SUMMARY OF ILLUSTRATIONS TEXT “FRZURES 1-3. Family Fulgoridae. 4-14. Family Cicadellidae. 15-17. Family Membracidae. 18-20. Family Cercopidae. 21-24. Family Psyllidae. 25-31. Family Aphididae. 32. Family Aleyrodidae. 33-35. Family Coccidae. 36. Family Corixidae. 37. Family Ochteridae. 38. Family Nerthridae. 39-40. Family Belostomatidae. 41-42. Family Nepidae. 43. Family Naucoridae . 44-45. Family Notonectidae. 46. Family Saldidae. 47-149. Family Muiridae. 150-151. Family Gerridae. 152. Family Hydrometridae. 153. Family Nabidae. 154. Family Naeogeidae. 155-163. Family Reduviidae. 164-165. Family Tingidae. 166-167. Family Lygaeidae. 168-169. Family Pentatomidae. Vi. VII-XI. ADL: PLATES Suborder Parasitica. Family Cicadellidae. Families Fulgoridae, Membracidae and Cercopidae. Family Cicadidae. Family Psyllidae. Family Aphididae. Family Aleyrodidae. XITI-XV. Family Coccidae. XVI. XVI. XVIII. Dee: XX. Families Corixidae, Belostomatidae, Nepidae, Nau- coridae, Notonectidae, Gerridae, Miridae, Lygaeidae, Cimicidae, Nabidae, Phymatidae and Reduviidae. Families Reduviidae and Tingidae. Families Aradidae, Coreidae, Alydidae, Corizidae, Penta- tomidae, Cydnidae and Scutelleridae. Eggs of Hemipterous insects. Injury caused by Hemiptera. Hemiptera of Connecticut. INTRODUCTION. The name of this order—Hemiptera—comes from the Greek, hems, meaning half, and pteron, a wing, on account of the basal half of the wing being thickened, in many species, with the terminal half transparent and membranous. The order Hemiptera of the early works on classification, and as considered by the earlier entomologists, included practically all of those insects with sucking mouthparts, having incomplete trans- formations. Forms of great diversity and even greater habits were thus brought together in one order. Some modern writers now make three orders in place of one, namely, Parasitica, Homoptera and Hemiptera. In these Bulletins of the State Geological and Natural History Survey, it was deemed best not to complicate the classification features to such an extent as to discourage teachers and pupils who are expected to make much use of these publications. Ento- mologists will understand, I think, that the old arrangement is given in this publication for the sake of simplicity and because the order Hemiptera in the key to orders in Bulletin No. 16, page 34, included all its subdivisions, and not because the present writer claims to be an authority on classification. Geologically, the evidence seems to show that the Hemiptera date from the Paleozoic age, and that probably the Homoptera appeared at an earlier date than the Heteroptera. As regards other orders of insects, both the Odonata (dragonflies) and the Orthoptera (grasshoppers, crickets, etc.) are older than the Hemiptera. All species of the Hemiptera (sensu latior) have mouthparts fitted for sucking their food. All species have incomplete transformations. There is no true pupa stage, though in the families Psyllidae, Aleyrodidae, and in the males of Coccidae, there is something most nearly approaching it. With most families the nymphs hatching from the eggs grad- ually increase in size and change slightly in passing through their molting stages until they reach the adult form. Most of the scale insects, or Coccidae, Aleyrodidae and part of the Psyllidae, are non-motile during the greater portion of their lives and are fixed upon their food plants. Galls are formed by some of the Psyllids, particularly those occurring on hackberry, and by some of the aphids. 9 10 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Most of the species of Hemiptera probably have only one gen- eration each year. Some of the leaf-hoppers have two or more, the San José Scale (Coccidae) has two broods in Connecticut, and tropical or semitropical species of Coccidae occurring on plants in greenhouses probably breed continuously without regard to season. The life histories of many species are not well-known and some are entirely unknown. Undoubtedly the aphids exceed all other species of insects in the number of annual generations. Though the winter is usually passed in the egg stage, some species winter as adults. Of other species aS many as thirteen generations are known to occur in a single season, most of these being born alive (viviparous) without the intervention of males. This habit enables them to multiply very rapidly and consequently they are among the most important pests of cultivated plants. Several writers have pointed out that no order of insects has been more neglected by entomologists or is more directly con- nected with the welfare of the human race than the Hemiptera. The Parasitica all live upon mammals, sucking their blood, and include some of the most important pests of man and the domestic animals. The Homoptera all suck the juices from the leaves or twigs of plants, many species being markedly injurious. Thus the members of the family Cicadellidae feed upon the leaves and are known as “leaf-hoppers,” those of the Membracidae feed upon the stems and twigs and are called “tree-hoppers,” the Fulgoridae or “lantern flies” are usually on the stems or leaves of herbaceous plants or shrubs. The Cercopidae, known as “frog-hoppers” or “spittle insects,” make frothy masses on the stems of grasses or the twigs of trees and shrubs. The members of the Cicadidae, or “harvest flies,” are larger than those of the families just men- tioned and apparently with all the species the immature forms are subterranean and feed upon the roots of trees: the adults suck sap from twigs and branches, and lay their eggs in them. The best-known and most destructive species in this family is the “periodical cicada” or “seventeen-year locust.” The Psyllids, or “Jumping plant lice,” occur. on the stems and leaves of woody plants, and only a few species are considered as pests. The Aphids, or “plant lice,” are very abundant as regards species and individuals and are common to nearly every plant species. They are usually found on the under surface of the leaves or on the tender shoots, often doing great damage. The Aleyrodids, or “white flies,” are few in number of species, and occur on the under side of leaves. Only two or three species in our range are con- sidered of economic importance. The Coccidae, or “scale insects,” occur on the bark and leaves of trees, the stems and leaves of herbaceous plants and shrubs, and certain species are found in the nests of ants: they are fairly abundant and include a number of important pests. No. 34.] HEMIPTERA OF CONNECTICUT. II The Hemiptera, or Heteroptera, include a number of families like the Tingidae or “lace bugs,” Miridae or “leaf bugs,’ Lygaei- dae, Coreidae and Neididae, the members of which feed upon plant tissues, and certain species are well-known and important pests. Other families like the Reduviidae or “assassin bugs,” Phymatidae or “ambush bugs,’ Nabidae or “damsel bugs,” Veliidae or “water striders,” Belostomatidae or “giant water bugs,’ Corixidae, “water boatmen,” Notonectidae, “back swim- mers,” and it is believed the Aradidae or “flat bugs,” are predatory on insects and other small animals. The Cimicidae or “bed bugs,” attack warm blood animals. Other families like the Pentatomidae or “stink bugs,” contain certain species which are plant feeders, while others are predatory upon insects. Though the insects of most of the families are terrestrial, the species of Veliidae, Nepidae, Saldidae, Nerthridae, Belosto- matidae, Corixidae and Notonectidae are aquatic. In general the plant-feeding species, as well as those attacking the higher animals, are regarded as injurious, while the predatory species are called beneficial because they attack and destroy many individuals of noxious species. But they are perhaps just as apt to devour harmless or even beneficial species, should such be at hand. From certain species of Coccidae in the Orient is obtained the lac of commerce, and certain other species of the same family formerly supplied the brilliant red dye, cochineal. Thus the Hemiptera as a whole contains many species which are considered injurious, and some beneficial ones: few or none are parasitic on other insects, though many are predatory. The numbers of individuals in the Hemiptera are greatly reduced, and in fact the species often held in check, by parasites and natural enemies. Hymenopterous, Dipterous and even Lepi- dopterous insects are known to parasitize the Hemiptera. The larvae of Coleoptera, especially Coccinellidae or lady beetles, devour vast quanties of aphids and scale insects. The larvae of Syrphid flies (Diptera) and lace-wing flies (Neuroptera) also feed upon aphids. Some 20,000 species of Hemiptera have been described over the whole world; there are about 5,000 species in North America and over 870 species are known to occur in Connecticut. In number of species, the order is exceeded, at least in Connecticut, only by the Coleoptera (beetles), Lepidoptera (butterflies and moths), Hymenoptera (ants, bees and wasps), and possibly by the Diptera (flies). The sequence of the families in this work follows in reverse order that of Van Duzee’s Catalogue of Hemiptera, 1917, which so far is the most complete arrangement of the order in this country. Though there are various opinions in regard to special groups, it has seemed best to the Editor to follow this, the most available and authoritative arrangement, leaving it to specialists to settle elsewhere any controverted points. 12 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Suborder Parasitica Homoptera Heteroptera STATISTICS, Statistics of the Connecticut Hemiptera given in this bulletin are as follows: | Family Haematomyzidae Pediculidae Haematopinidae Echinophthiridae Fulgoridae Cicadellidae Membracidae Cercopidae Cicadidae Psyllidae Aphididae Aleyrodidae Coccidae Corixidae Octheridae Nerthridae Belostomatidae Nepidae Naucoridae Notonectidae Saldidae Veliidae Gerridae Hydrometridae Miridae (Capsidae) Termatophylidae Anthocoridae Cimicidae Nabidae Mesoveliidae Naeogeidae (Hebridae) Reduviidae Phymatidae Enicocephalidae Piesmidae Tingidae Lygaeidae Neididae Aradidae Coreidae Alydidae Corizidae Pentatomidae Cydnidae Scutelleridae Total Number of Genera. WCW HOWULW AN O e e p ee) Qe i) OW Ae HWN HH HUA to NAO YUATA bo Number of Species and Varieties. Recorded from Listed. Connecticut. I oO 3 3 16 5 2 Oo 108 51 2606 192 77 71 AI 12 9 v4 26 19 234 95 pA 10 86 53 14 10 2 Oo 2 O Z 5 4 2 ie I 10 5 20 9 22 I 13 7 I oO 403 149 I Oo 6 2 3 2 ie 6 I Vg 3 I 35 14 2, 2. 1 oO I ar 32 21 53 42 2 Z 32 8 rE 8 7 4 6 3 47 39 10 7 2, 2 1,646 872 No. 34.] HEMIPTERA OF CONNECTICUT. 13 EXPLANATION OF COLLECTORS’ INITIALS. W. E. B.—W. E. Britton, State and Station Entomologist, Agri- cultural Experiment Station, New Haven, Conn. Author of a portion of this Bulletin. Has collected in nearly all parts of the State. A. I. B—Arthur I. Bourne, Assistant Entomologist, Agricultural Experiment Station, Amherst, Mass. In 1909, was assistant in Entomology, Agricultural Experiment Station at New Haven. Collected around New Haven. P. L. B—Philip L. Buttrick, Assistant Professor of Forestry, Michigan Agricultural College, East Lansing, Mich. In 1904 and 1906 was employed temporarily as Assistant in Entomol- ogy, Agricultural Experiment Station, New Haven. Has collected around New Haven. K. F. C.—Kenyon F. Chamberlain, Cornwall, Conn. Employed as Assistant in Entomology, Agricultural Experiment Station at New Haven in 1918 and 1919. MHas collected in various parts of the State, but chiefly around Cornwall and New Haven. A. B. C—Alfred B. Champlain, Bureau of Plant Industry, Harris- burg, Pa. Assistant in Entomology, Agricultural Experiment Station, New Haven, in 1910 and 1911. Has collected in different parts of the State, but particularly around New Haven and Lyme. D. J. C—Donald J. Caffrey, European Corn Borer Laboratory, U. S. Bureau of Entomology, Arlington, Mass. From 1gt1o to 1913 Assistant Entomologist, Agricultural Experiment Station, New Haven. Collected chiefly around Wallingford and Stonington. I. W. D.—Irving W. Davis, Assistant Entomologist, Agricultural Experiment Station, New Haven, Deputy in Charge of Gipsy Moth Work, 1913 to 1920. Resides in Danielson. Has collected mostly in Windham and New London Counties. D. M. D.—Dwight M. DeLong, Bureau of Plant Industry, Harris- burg, Pa. Author of the Cicadellidae of this Bulletin. Col- lected around New Haven, when in the Army Laboratory School in 1918. E. L. D—E. L. Dickerson, Nutley, N. J., formerly Assistant in Entomology, Agricultural Experiment Station, New Bruns- wick, N. J. Has collected in Brookfield, Conn. C. R. E—Charles R. Ely, Washington, D. C. Has collected at East River, where he spends his summer vacations. P. G—Philip Garman, Assistant Entomologist, Agricultural Experiment Station, New Haven, Conn. J. A. H—James A. Hyslop, U. S. Bureau of Entomology, Wash- peton, D. C. Employed on gipsy moth work at Stonington in 1906. 14 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. G. H. H.—George H. Hollister, Superintendent Keney Park, Hartford, formerly in charge of gipsy moth work, Agricul- tural Experiment Station, New Haven. Collected around Stonington. C. W. J.—Charles W. Johnson, Boston Society of Natural History, Boston, Mass. Has collected in various parts of Connecticut. H. L. J.—Harry L. Johnson, South Meriden, a collector of Coleop- tera and other insects. Has collected around Meriden. H. B. K.—Harry B. Kirk, Bureau of Plant Industry, Harrisburg, Pa. Assistant in Entomology, Agricultural Experiment Sta- tion, New Haven, 1912. Collected around New Haven, Lyme and Stamford. | F. H. L—F. H. Lathrop, Assistant Entomologist, Agricultural Experiment Station, Corvallis, Oregon. Collected around New Haven while in the Army Laboratory School. J. K. L.—John Kirby Lewis, New Haven. Employed tempor- arily at different times as Assistant in Entomology, Agricul- tural Experiment Station. Has collected in various parts of the State. QO. S. L.—Quincy S. Lowry, Canton, Mass. From 1913 to 1918 was Assistant Entomologist, Agricultural Experiment Sta- tion, New Haven. Has collected in various parts of the State, but more particularly around New Haven. W. M.—Werner Marchand, Rockefeller Institute for Medical Research, Princeton, N. J. E. J. S. M.—E. J. S. Moore, New Haven. Employed temporarily as Assistant in Entomology, Agricultural Experiment Station in 1902. Collected around New Haven. A. P. M.—Albert P. Morse, Curator of Zoological Museum, Wel- lesley, Mass. A student of Orthoptera. Has collected in various parts of the State. H. M. P.—Howard M. Parshley, Associate Professor of Zoology, Smith College, Northampton, Mass. A specialist in Hemip- tera, and one of the authors of this Bulletin. Has collected at a few points in the State. L. B. R—L. Bradford Ripley, Glastonbury, employed temporarily in 1914 as Assistant in Entomology, Agricultural Experiment Station, New Haven. H. L. V.—Henry L. Viereck, Bureau of Biological Survey, Wash- ington, D. C. In 1904 and 1905 was Assistant in Entomol- ogy, Agricultural Experiment Station, New Haven. A stu- dent of Hymenoptera and the author of Hymenoptera of Connecticut (Bulletin No. 22). Has collected in all parts of the State but more especially along the coast. B. H. W.—Benjamin H. Walden, Assistant Entomologist, Agri- cultural Experiment Station, New Haven. Author of Orthoptera of Connecticut (Bulletin No. 16). Has collected in all parts of the State. H. W. W.—Henry W. Winkley, formerly of Branford, where he did most of his collecting. No. 34. | HEMIPTERA OF CONNECTICUT. 5 L. B. W.—Lewis B. Woodruff, Brooklyn, N. Y. Summers at Litchfield, Conn., and has collected insects in that vicinity. W. C. W.—William C. Woods, Professor of Biology, Wesleyan University, Middletown. Has collected around Middletown. M. P. Z—Max P. Zappe, Assistant Entomologist, Agricultural Experiment Station, New Haven. Has collected in nearly all parts of the State. AUTHORSHIP. The preparation of this bulletin has been made possible by the cooperation of a number of entomologists, fifteen in all, who will be recognized as authorities in their special fields. Of the original authors, one or two found themselves over-burdened with official duties, and were obliged to relinquish a part of the program which they had undertaken, and new men had to be procured. An effort has been made to secure as much uniformity of treat- ment as possible, and each author was furnished a brief outline of instructions, most of which were followed. In general, however, it seemed best to sacrifice uniformity, rather than individuality, and no real attempt has been made to harmonize the treatment in the different families. In the following list, each author is responsible for the manuscript of the family opposite his or her name. Parasitica by Herbert Osborn, D.Sc., Professor of Zoology and Entomology, Ohio State University, Columbus, Ohio. Fulgoridae by Edward Payson Van Duzee, Curator, Depart- ment of Entomology, California Academy of Sciences, San Francisco, Cal. Cicadellidae by Dwight Moore DeLong, Ph.D., Assistant Pro- fessor of Entomology, Ohio State University, Columbus, Ohio. Membracidae by William Delbert Funkhouser, Ph.D., Pro- fessor of Zoology, University of Kentucky, Lexington, Ky. Cercopidae by Louis Agassiz Stearns, M.Sc., Associate Ento- mologist, Virginia State Crop Pest Commission, Blacks- burg, Va. Cicadidae by William Thompson Davis, New Brighton, Staten Island, N. Y. Psyllidae by Edith Marion Patch, Ph.D., Entomologist, Agri- Aphididae cultural Experiment Station, Orono, Me. Tribe Lachnini. By Harley Frost Wilson, M.S., Pro- fessor of Economic Entomology, University of Wisconsin, Madison, Wis. Tribe Callipterini. By Arthur Challen Baker, Ph.D., Entomological Assistant, Bureau of Entomology, Wash- ington, D. C. 16 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. | Subfamily Pemphiginae. By Asa Chandler Maxson, Head of the Great Western Sugar Company Experiment Station, Longmont, Col. . by Wilton Everett Britton, PhD., State Ento- eal mologist and Entomologist Agricultural Experiment Station, New Haven, Conn. Corixidae by James Francis Abbott, Ph.D., Professor of Zoology, Washington University, St. Louis, Mo. Miridae by Harry Hazleton Knight, Ph.D., Assistant Entomol- ogist, Agricultural Experiment Station, University Farm, St. Paul, Minn. Lygaeidae by Harry Gardner Barber, A.M., Roselle Park, N. J Coccidae Ochtheridae Nerthridae Belostomatidae Nepidae Naucoridae Notonectidae Saldidae by José Rollin de la Torre-Bueno, F. E. S., Veliidae General Chemical Co., New Yore, fe Gerridae Hydrometridae Mesoveliidae Naeogeidae Reduviidae Aradidae Termatophylidae Anthocoridae Cicmicidae Nabidae Phymatidae a by Howard Madison Parshley, Sc.D., Asso- “ee ciate Professor of Zoology, Smith Col- Po lege, Northampton, Mass. Coreidae Alydidae Corizidae Pentatomidae Cydnidae Scutelleridae In this work on the Hemiptera of Connecticut, one hundred and twenty- seven (127) species and varieties are described as new, not all being from Connecticut, and most of them in the family Miridae. The asterisk (*) precedes each species and variety which was described originally from Connecticut. Families and genera in the keys not occurring within the range of this paper are placed in brackets, [ ]. Records given under each species refer to Connecticut unless otherwise indicated. No. 34.] HEMIPTERA OF CONNECTICUT. 17 Order HEMIPTERA. (Sub Class Rhynchota.) Key to Suborders. ER ERIE RECOETE poi fe tart et. de eee UY one. ald bee 2 Wings absent; beak fleshy and without segments (parasitic on fia tee Ober thaminals ue. wie ese Lae les ds Parasitica, p. 17 2. Wings of uniform texture; usually arched or roof-like over back and sides of body; beak attached to, or produced from, the hind part of the lower side of the head; head closely joined to the prothorax with the sides resting on the bases of the fore-legs Homoptera, p. 23 Wings not of uniform texture; thickened at the base with the tips thin and membraneous; the fore wings when folded lying flat upon the back with the tips overlapping; beak attached to the front part of the head; head usually separated from the prothorax by a more or less distinct neck ...... Heteroptera, p. 38 Suborder Parasitica. By Herpert Osporn, D.Sc. The insects of this group are wingless parasitic forms occurring only on mammals. They are entirely suctorial in mouth structure and depend upon sucking the blood of the host animals for their food supply. The antennae have from three to five segments; the eyes may be greatly reduced or wanting; there are no traces of wings and the legs are modified especially for clasping, being adapted to clinging to the hairs of the host animals. The species are among the most pernicious pests of man and domestic animals; some of the species are a special menace as carriers of disease, the most notable perhaps being the body louse of man which transmits typhus fever. The American species have been treated by the writer in Insects Affecting Domestic Animals,1 and a much more recent paper by Kellogg and Ferris? gives a quite full discussion of American species but with more especial reference to the species occurring on wild animals. The writer has drawn upon their paper for records and especially for help in the construction of the keys for the present paper. Most of the characters used in classification are minute and require examination with the microscope, and it is usually most convenient to have specimens mounted on glass slides in canada balsam. *Insects Affecting Domestic Animals, Bull. No. 5, n. s. Div. Ent. U. S. Dept. Agriculture, 1806. * The Anoplura and Mallophaga of North American Mammals. Leland Stanford Junior Univ. Publications. Univ. Series, 1915. 18 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Key to Families. 1. Occurs on marine animals only ....... ECHINOPTHIRIDAE, p. 23 Occurs on land mamuaials ‘only .4.). 5d) 2 eS ee 2 2. Head much elongated; occurs on the elephant) ...72.. nee HAEMATOMYZIDAE, p. 18 Head not. exceptionally elongated ......... 0.250 ee 3 3. Eyes present and conspicious<: 4.0. ee ee PEDICULIDAE, p. 18 Eyes rudimentary or wanting ......... HAEMATOPINIDAE, p. 109 Family HAEMATOMYZIDAE. This family includes but one genus and one known species which occurs on the elephant. ? Haematomyzus elephantis Piaget. proboscideus Piaget. Ele- phant louse. Tijds. v. Ent. iv, Ser. 2, 254, 1860. This species has a remarkably elongate head with presumably especially elongate sucking tube for the penetration of the thick hide of its host the elephant. While no records have been made of its occurrence in Connecticut the presence of its host as an occa- sional visitor at least should make its collection possible. Family PEDICULIDAE. This family includes species which have conspicuous eyes. They occur on man, the apes and monkeys, and are not known from other animals. Key to Subfamilies and Genera. I... -Asitennae five ‘seemented *. 20 65/5... 00 0) o8 as oie PEDICULINAE 2 Antennae three Sepmented’ ss \o.4 eek socin ee eee PEDICINAE 3 2. Aes: Gt veqitally SIZ) ° i050). Gee see Me ae ee eee Pediculus, p. 18 Front legs smaller than middle and hind ............ Phthirius, p. 19 om AlMee stot sequal SIZE (3. ss n+ ys te estos eee Pedicinus, p. 19 Fore legs smaller than middle and hind ........... [ Phthirpedicinus | Pediculus Linnaeus. These are elongate in form with the legs of nearly equal size. P. capitis (DeGeer). Head louse of man. (PI. i, I.) Mem. Hist. Ins., 7, 67, 1778. This is the common head louse, whitish in color, which clings to the hair of the head and fastens its eggs or nits on the hair, most commonly back of the ears. Still abundant in places in spite of the efforts of sanitarians. From Steamer Richard Peck, New Haven, 1 Oct., 1910 (B. H. W.), New Haven, 15 Aug., 1911 (A. B. C.); Storrs, 1914 (J. A. Manter). P. corporis (DeGeer). Cootie, or body louse of man. (PI. 1, 2.) Mem. Hist. Ins., 7, 67, 1778. No. 34.] | HEMIPTERA OF CONNECTICUT: PEDICULIDAE. 19 The body louse found mainly in the clothing is notorious as a pest in prisons, barracks, armies and where sanitation is difficult; particularly obnoxious as the carrier of typhus fever. New Haven, 1917. (J. S. Miller.) Phthirius Leach. Broad and crab-like in form with the front legs smaller than the middle and hind pairs. P. pubis (Linnaeus). Crab-louse of man. (PI. i, 8.) Syst. Nat., Edn. 10, 611, 1758. This is the common “crab-louse”’ occurring on the coarser hairs and especially in the pubic region. New Haven, Feb., 1894, Nov., 19002 (H. A. Doty). Storrs (G. H. L.). Pedicinus Gervais. The species of this genus are easily recognized by the three- jointed antennae. They have elongate bodies and occur on mon- keys. While not native to this region there is of course frequent opportunity for their appearance in connection with their hosts. Family HAEMATOPINIDAE. The species of this family occur on a variety of mammals living on land but not on man or other primates, The eyes are very small or wanting and the feet are often provided with special structure for clasping the hairs. Most of the species are distinctly flattened. Key to Genera. TT INES SCPENCHIOR oi ish < meicis Sn oo 2a ase ee vw eek coeaee 2 PNT EG RE OIE THO fo 6 a oe soa be Dies aulgealiere co nweas s 13 umeemie tes OF CUial SIZE 6. ow ec cee wile eee Haematopinus, p. 20 eet eres See tian the OLHELS 2 os. <6 aces sone sv cee ebddeceels 3 RENE NCES Mutt! EWO ClaWS, 2. ies. Ss Mesonotum H 4 SY = wes Mesonotal carinae Lateral compartment KK? Tarsus Rx la of = = of Se az Sy 53 ve, ' =} Tarsus K.-S J Fic. 1. Scolops angustatus Uhler,—dorsal view, showing parts used in classification. Greatly enlarged. Drawing by Dr. Philip Garman. No. 34. | HEMIPTERA OF CONNECTICUT: FULGORIDAE. 25 mesonotum is large, usually convex, tricarinate, with the suture separating its posterior sclerite, or scutellum from the anterior, more or less distinct. The elytra vary from membranous to coriaceous or nearly so; ordinarily they are folded roof-like when at rest but may be either vertical or nearly horizontal; they may be narrowed to a strap-like piece or very broad and rounded, and in venation they vary from the simplest form to the most complex; they are often short and the same species may show two or more distinct variations in this particular. The wings may be much aborted or entirely wanting even in forms with fully developed elytra and the same species may be apterous or fully -—-- Cephalic horn .—— — z Vertex of ,Compound eye _ ~- Labrum a ser Rostrum ih 24 Se Epipharynx 7 Pas Fic. 2. Scolops angustatus Uhler,—lateral and ventral views of head showing structures used in classification. Greatly enlarged. Drawing by Dr. Philip Garman. winged. The antennae usually have two segments and a terminal seta and these segments may be terete, flattened or greatly expanded, or the second may be split to its base into two or more filaments. The ocelli are ordinarily two, placed close to the eyes, near their lower angle, but there may be a third at the apex of the front. The legs are frequently flattened and the hind tibiae are usually two to five spined, and in one subfamily are furnished with a movable spur at apex. Various attempts have been made to split this family up into several families; but in spite of form-diversity there is a certain uniformity of character running through the whole group that makes such a division undesirable, at least with our present knowl- 26 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. edge. Personally I deprecate the present tendency to raise sub- families to family rank, for I think them just as useful and much more convenient as subfamilies, and after all, it is merely a matter of terminology. The Fulgoridae as a whole is a tropical group, but thus far 77 genera and 357 species have been recorded from America north of Mexico. Key to Subfazmilies. 1. Anal area of the wings reticulated, sides of the clypeus carinate FULGORINAE, p. 26 Anal area of the wings rarely reticulated, clypeus in this case without lateral carinae)..2)..24.55.0. 40014500, ee 2 2. Posterior tibiae armed with a movable spur ..... DELPHACINAE, Pp. 45 Posterior tibiae without a movable spur .......... >... eee 3 3. Clavus granulated; costa dilated, the costal membrane trans- VErsely, WEHOSE ak vesls Te wn eae Wid ad ets ee ee FLATINAE, Pp. 962 Clavus rarely granulated, costa in this case not dilated _).72.. 2 4 4. Veins of the clavus not attaining the apex but united with the commissural margin before theapex ..../.. 2.2.4. J)2;5 eee 5 Veins of the clavus either continued to the apex or united with the claval suture before the apex ss...00./. 5.04. 00 ee 6 5. Apex of the front without an ocellus; elytra reticulated toward {heir apex (ues. 0 Caen hs Bene DICTYOPHORINAE, p. 27 Apex of the front usually with a third ocellus; elytra not reticu- lated:cipically: (0) wk re vial heya eit, Ue CIXIINAE, p. 32 6. Elytra ample, held vertical with the costal margin meeting below the abdomen, closely reticulated over the whole surface, the costal and apical margins without transverse veins; front con- tinued over on to the superior aspect of the head without an apical APANSVEESE \CAhitia hc Nele's cee cae ACANALONIINAE, p. 38 Elytra when broad held more horizontal, not meeting below nor closely reticulated over the whole surface; the front usually dis- tinguished from the vertex by a transverse carina at the apex Of the heady... ek jek Bw Cols dS i ola aile 4c iene ae ee a 7, Head broad, with the eyes nearly or quite as broad as the mesono- tum; pronotum without carinae or with median carina only ... 8 Head usually much narrower than the mesonotum; if as wide the pronotum emarginate behind and tricarinate ................ 9 8. Pronotum truncated behind or at most with a shallow rounded 1 10 Se a PROT WOVE GOON Mag Crags Mien ea Py eegtr AY AMP ARS 18 ISSINAE, p- 35 Pronotum angularly emargimate behind .....: 5.24.29. [RICANTINAE | 9. Elytra distinctly ampliated within and overlapping beyond the apex Of ithe Clavie: er ee aod cto ete cae eae ere ACHILINAE, p. 20 Elytra not ampliated within nor overlapping at apex ..........- ir. SG 10. Elytral membrane strongly differentiated from the corium with numerous simple longitudinal nervures ............ [ TROPIDUCHINAE]| Elytral venation simple, without a distinct closely veined mem- brane; pronotum very short, deeply angularly emarginate behind DERBINAE, Pp. 39 Subfamily FULGORINAE. So far as I know no representative of this subfamily has been taken north of New Jersey and Ohio. No. 34.] HEMIeTERA OF CONNECTICUT: FULGORIDAE. 27 Subfamily DicTyoPHORINAE. Key to Genera. 1. Vertex produced and angulate before, frequently forming a long Siar Wile MRRP OT IS aN eee ieee ne crt a bey adh aidi'a etm Guts pga) ong olan ce bleei8 2 Vertex short, transverse; elytra in the short-winged form scarcely exceeding the abdomen, convex; anterior femora foliaceous ... Phylloscelis, p. 28 2. Head moderately produced, depressed and carinate above; cephalic process when present not exceeding the base of the PrOlitall GOMIPATUMeNtS (os... ee ee cae eee Dictyophora, p. 27 Head greatly produced in a cephalic process which is extended much beyond the base of the frontal compartments, its superior Subtacesticate but NOt CarMate {2 dsc ccss Siw sis ses Scolops, p. 27 Dictyophora Germar. These are elongated, frail looking insects with nearly hyaline elytra and more or less produced head. They are found in damp situations in the warmer parts of the country. Key to Species. Vertex fully twice as long as its basal width; median carina extending a little more than half way to the apex, the three frontal carinae aimest parallel taroughout their length... 0.3.5 6a. eke os microrhina Vertex scarcely longer than its width at base, its median carina almost attaining the apex; frontal carinae diverging basally (toward the apex of the head), forming a spatulate compartinent, con- colorous at their extreme base where they meet in an acute Sl el MAE ete Pe ky UCL PLONE dL ik Na ate 2 SW avavata SM hesacace gi lingula D. microrhina Walker. dist. Elomop. ti, 315, 18ST. A southern form which has been taken as far north as the vicinity of New York City and may be taken in southern Connecticut. D. lingula Van Duzee. Proc. Acad. Nat. Sci. Phila., lix, 470, 1908. This species has about the same distribution as the preceding and should be taken in Connecticut. The closely allied florens Stal has black carinae at the apex of the head. It has not been reported from north of Georgia. Scolops Schaum. A genus of rather small brown or gray leaping insects inhabiting meadows and weedy spots. Their long cephalic process and habit of standing well up on their hind legs gives them somewhat a bird- like aspect. Key to Species. I. Elytra with supernumerary cross-veins forming many small areoles beyond the middle; nervures slender .............. sulcipes Elytra without supernumerary cross-veins toward their apex; Maer mNMET SS UR CRLLE MONE etiatiatet alata wx. givia lata Gig :ié 6 dc lotsa Se) ally Alusaie © ¢.s) b/9 60 8'8 2 28 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 2. Radial (outer) nervure forked some distance beyond the cubital (inner); cephalic horn short, not longer than distance from front of eye to hind margin of pronotum ............... angustatus Radial and cubital nervures forked on about the same line; cephalic horn about one-half ‘longer than the distance from front of eye to hind margin of pronotum .......):.....5 aoe 2 3. Rostrum reaching the posterior coxae .......)).05,e oe eee spurcus Rostrum reaching nearly to apex of the venter ............... perdix S. sulcipes Say. (PI. iv, 1.) Jour. Acad. Nat. Sci. Phila., iv, 335, 1825. A large brown species easily recognized by the numerous small areoles in the apical half of the elytra. It is the most abundant and widely distributed species of the genus. Braniord» 20), .Joly, 290d (CPs LB New Haven, 29 July, 1920 (M. P. Z.) ; 31 July, 1920 (B. H. W.) ; Cornwall, 23 Aug., 19620 (ae Bridgeport, 20 Sept., 1920 (B. H. W.). S. spurcus Uhler. Trans. Md. Acad. Sci., i, 403, 1900. This mottled gray and brown insect has been taken from New Jersey southward and should occur in Connecticut. S. perdix Uhler. Trans. Md. Acad. Sci., 1, 405, 1900. Similar to the preceding but with a longer rostrum. It is dis- tributed from Massachusetts southward and must occur in Connecticut. . S. angustatus Uhler. (Figs. 1 and 2.) Bull. U. S. Geol. Surv., i, 350, 1876. A small pale form easily recognized by its short slender cephalic process. New Haven, 19 July, 16 Aug., 1904 (P. L. B.); 16 Aug., 1904, 19 July, 1905, 17 July, 1908, 17 June, 1908 (B. H. W.); 23 Aug., 1906 (Wis ar Jily, 5 Aug. 1920, (B..H- ve Yalesville, 20 Aug., 1920 (M. P. North Haven, 4 Sept., 1921 (B. H. W.). by ; B.) ; Z.) ; Phylloscelis Germar. The brachypterous form of these insects, which is much the most common, is of an ovate or subhemispherical form and may be readily recognized by the broad leaf-like anterior femora. Key to Species. 1. Elytra brown, the nervures fuscous dotted with pale ....... pallescens Elytra black, the nervures concolorous or pale and undotted ..... 2 2. Nervures concolorous, blacks (acc k fe ubale kG oleate Gide ere eee atra Wervures pale c.cie did vis vie ble ciche bapiele see ee ee ae var. albovenosa P. atra Germar!. (Play, 53) Zeit. f. Ent., i, 192, 1830. The brachypterous form is a nearly globular, shining black insect with the face marked with pale dots and crossed by a pale No. 34.] HEMIPTERA OF CONNECTICUT: FULGORIDAE. 29 band near the apex of the cheeks. In the macropterous form the elytra are short and truncated at apex. New Haven, 14 Aug., 1906 (W. E. B.), 21 Aug., 1906 (B. H. W.), 20 Aug., 1910 (A. B. C.), 20 Aug., 1910 (B. H. W.). P. atra var. albovenosa Melichar. Abh. K. K. Zool. Bot. Ges. Wien, iti, pt. 4, 179, 1906. This variety differs from the type form only in having the elytral nervures pale, rufous, yellowish or almost white. Apparently it always occurs with the typical form. New Haven, 21 Aug., 1906, 21 Aug., 1909, 28 Aug., 1910 (B. H. W.). P. pallescens Germar. Zeit. f. Ent., i, 192, 1830. This species has the same form as the preceding but has a brown color and dotted nervures. Like that species it is distributed from Massachusetts to Florida and should be found in Connecticut. Subfamily ACHILINAE. This subfamily as represented in our fauna may be distinguished from the Cixiinae, which they most resemble, by having the claval nervure continued to its apex. They are elongated or oblong depressed insects with their folded elytra overlapping at apex and head often produced. From the /ssinae they differ in having the head much narrower than the thorax with the pronotum emargi- nate behind, sometimes deeply so. Key to Genera. Lateral compartments of the pronotum (behind the eyes) at least as long as the eye, sometimes much longer ........... Epiptera, p. 29 Lateral compartments of the pronotum, when distinguished, shorter than the eye, generally much shorter ............... Catonia, p. 30 Epiptera Metcalf.* (Elidiptera of Authors, not Spinola. ) (Helicoptera Amyot and Serville.) Key to Species. 1. Head rostrate produced, the vertex surpassing the front line of the eyes by at least twice the length of the eye ............. colorata Head produced little if any more than the length of the eye ..... 2 2. Black with a white band across the face and pleural pieces; elytra ee N eR CCP TELE AEE ooo seca coe hc xcaic sin oie bales aya olavwiens avg wiaiaveun opaca More or less variegated with brown or pale .........0.0+eesee0. 3 3. Vertex produced before the eyes for fully the length of the eye; front brown on base, whitish on apical one-half ............. pallida Vertex produced before the eye for about the width of the eye; front brown irrorate with pale, scarcely darker at base ....variegata * Since this paper was set in type, Z. P. Metcalf has described the follow- ing new species from Connecticut, in Journal of the Elisha Mitchell Scientific Society, Vol. 39: Epiptera brittont, Liburnia waldem, Megamelus distinctus, Criomorphus conspicuus, Herpis incisa and Cixius apicalis (W. E. B.). 30 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. E. colorata Van Duzee. Proc. ‘Acad. Nat. Sci. Phila., In, 476, ‘1608. More slender than most of our species; black, vertex and front white, abdomen red; elytra minutely dotted and veined with pale. Described from about Buffalo, N. Y. and reported from near the Hudson River so it will probably be found in western Connecticut. E. opaca (Say). Jour. “Acad. Nat. Set. Philas, vi;'230; 1630: A large blackish species with a broad clear-cut whitish vitta across the face and pectoral pieces. It has been reported from New Hampshire to South Carolina and should occur in Connecticut. E. pallida (Say). Jour. Acad. Nat. Sci. Phila., vi, 240, 1830. Has the same distribution as the preceding and must occur in Connecticut. EK. variegata Van Duzee. Proc. Acad, Nat. Sci. Phila., lix, 479, 1908. Found throughout the eastern states and Canada. Rainbow, 30 Sept., 1908 (W. E. B.). Catonia Uhler. Shorter and more slender insects with shorter and more deeply emarginate pronotum than we find in Elidiptera. Key to Species. 1. Face distinctly transversely banded .......4°......+. 500 2 Face without transverse bands .......).c5,.0. . dca aces 6 2. Front black; clypeus white; elytra testaceous, almost immacu- late TPN aS y 2s Ge es es Be A dimidiata Front banded with black and white t....: 20.2.7... 2 aoe 3. Front whitish on basal one-half, fuscous on apical half; disk of mesonotum with a fuscous cloud ....:.......2...... 00 nava Front blackish with a transverse white median band ...... vs ee 4. Elytra almost unitormly testaceous ...... 2.20.50. 7e2eeee impunctata Elytra varied with whitish and brown or fuscous ................ 5. Discal compartment of mesonotum fuscous with four pale dots; elytra fuscous varied with whitish .............---=seeee cinctifrons Mesonotum castaneous; elytra varied with ferruginous and pale picta 6. Median compartments of the mesonotum marked with an ocellate spot at apex; elytra whitish testaceous varied with fuscous and marked with white transverse veinlets ...........----++-505- grisea Median compartments of the mesonotum without eye-spots ; elytra f whitish testaceous obscurely varied with white veinlets ..... pumila C. dimidiata Van Duzee. Trans. Am. Ent. Soc., xxxvi, 85, 1910. Easily distinguished from all other described species by having the front entirely black with the clypeus abruptly white. The head No. 34.] HEMIPTERA OF CONNECTICUT: FULGORIDAE. 31 and pronotum are more or less fulvous and the elytra uniformly testaceous-brown. It has been reported from New York and Rhode Island. Danbury, 29 Aug., 1920 (B. H. W.). C. impunctata (Fitch). fromop. N. Y. St. Cab., 46, 1851. This species and cinctifrons have the front black with a broad white transverse band opposite the antennae and the clypeus white ; here, however, the mesonotum is fulvous and the elytra testaceous- brown with paler nervures. It has been reported from Rhode Island to Iowa. East River, 5 Aug., 1908 (C. R. E.); Ellington, 25 Sept., 10920 on. H. W.). C. cinctifrons (Fitch). frans. N. Y. St. Agr. Soc., xvi, 451, 1856. A much smaller species than the preceding with the mesonotum and elytra varied with fuscous-brown. It occurs from New York to Maryland. New Haven, 22 Aug., 1920, Plainfield, 2 Sept., 1920, East Hartford, 14 Sept., 1920 (B. H. W.). C. picta Van Duzee. Proc. Acad. Nat. Sci. Phila., lix, 481, 1908. A little larger and more ferruginous than cinctifrons with the elytra more obscurely varied. The front is normally white and black-banded like the foregoing but often the black is replaced by castaneous. It has been found from New Jersey to Florida. Guilford, 24 July, 1921 (B. H. W.). C. nava (Say). Jour. Acad. Nat. Sci. Phila., vi, 238, 1830. This is a larger variegated species with the front more narrowed basally where it is gray and more or less mottled. It has been reported from Ontario to Maryland and Iowa and must occur in Connecticut. C. grisea Van Duzee. Proc. Acad. Nat. Sci. Phila., lix, 482, 1908. This is a gray, slightly mottled insect with numerous white vein- lets on the elytra, a pair of small ocellate spots on the mesonotum and a pale, nearly unicolorous front which becomes a little darker at base. It has about the same distribution as nava. Portland, 8 Aug., 1913 (B. H. W.). C. pumila Van Duzee. Proc. Acad. Nat. Sci. Phila., lix, 483, 1908. A small pale fulvous-brown species having a pallid front and obscurely variegated elytra without white veinlets ; the mesonotum also wants the ocellate spots. It has been taken in Ohio and on Long Island and must occur in Connecticut. 32 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Subfamily Crxtwar, Oblong depressed insects usually with rather broad elytra which are frequently more or less mottled with fuscous and dotted along the veins. The females have a cottony substance either side of the oviduct. Key to Genera. 1. Hind tibiae armed with two or three spines’... 0) 020s 2 Hind tibiae unarmed... 0.00.0... 6.0.1.5 sec 2. Base of the vertex angulate-emarginate; mesonotum normally AVCSCATINELES | 5 oc isies- a rics dd wen ade |e, iarus, p. 32 Pe Cixius, p. 33 3. Vertex very narrow, its sides parallel or slightly divergent anteri- orly; front and clypeus elongated .................. Oecleus, p. 34 Vertex broader, narrowed anteriorly; front and clypeus together eliptical oi. '.ss:pee se seen asec so) ces Myndus, p. 34 Oliarus Stal. This genus has the vertex quite broad, about as wide as the eyes, with its base angulately emarginate, and the mesonotum in our species furnished with five carinae. It is distributed over nearly all parts of the world and is rich in species. Key to Species, I. Elytra pellucid or nearly so, sometimes varied with brown ...... 2 Elytra smoky-fuscous, at least at > Se 2. Larger, 6-7mm.; elytra more or less maculated; the veins white, dotted with brown at their apex ................... quinquelineatus Smaller, 4-5 mm.; elytra immaculate, their veins heavy and fuscous On apical third 0.0... 2.7. cbse oe, fransciscanus 3. Smaller, 4-6mm.; elytra clouded on apical third only ........ humilis Larger, 6-7mm.; elytra entirely fuscous, the stigma and costal MET VES WHILISR oct Oo cn eee dee ut ot cinnamomeus O. quinquelineatus (Say). Jour. Acad. Nat. Sci. Phila., vi, 241, 1830. This large maculated species is common throughout the eastern states and Canada, and extends its range westward to Colorado, but it does not seem to have been reported from Connecticut, where, however, it must occur. O. fransciscanus (Stal). complectus Ball. Freg. Eugen. Resa., Ins., 273, 1859; Can. Ent., xxxiv, 152, 1902. This small black species with whitish-hyaline elytra is found from Maine to California. Scotland, 27 July, 1904 (B. H. W.); New Haven, 26 June, 23 July, 1910, 9 July, 1911, 11 July, 1920, 18 June, 102) (5. Ey Wien O. humilis (Say). (PI. iy, 2) Jour. Acad. Nat. Sci. Phila., vi, 241, 1830. This has much the aspect of the preceding except that it is a little broader and has the apical one-third of the elytra infuscated. No. 34.] HEMIPTERA OF CONNECTICUT: FULGORIDAE. 33 It occurs in old pastures and meadows from Ontario to Maryland and Ohio. Stratford, 1 July, 1908 (B. H. W.) (W. E. B.); 9 July, 1920 (B. H. W.). O. cinnamomeus Provancher. Pet. Faune Ent. Can., iii, 223, 1880. Easily recognized by its larger size and uniformly bluish color with a slender pale costa. I have taken it only on bogs where huckleberries grow. Colebrook, 20 July, 1905 (W. E. B.). Cixius Latreille. The insects of this genus have much the aspect of Oliarus but may be distinguished by their having the hind margin of the vertex truncated or but feebly arcuated, not at all angularly emarginate. The mesonotum seems always to be tricarinate. Key to Species. 1. Front and clypeus black with pale carinae, the clypeus obviously as long as the front; vertex nearly as long as broad ........ miscellus Front black with pale carinae, the clypeus nearly always paler and obviously shorter than the front; vertex transverse, consider- BTS te EIEIO UA) fe fa )s tC ls )a(. vets aie ble 60 bia e arahd.g Wad 2 2. Elytra tinged with fulvous or testaceous, unspotted except for the fuscous stigma; nervures dotted; outer fork of the first sector and the inner sector forked about in line with the fork I NSIDC MIT ES aia iw Lesh LONE ws Ae lew sola > Mnlels oes aaa a ws pini Elytra whitish-hyaline, more or less maculated; outer branch of the first sector forked much nearer the base than the fork of the MN RNB eee a aE iio i's % Mens uA wath ey a Pace! 2 wyerege! axel & chmenls 3. Larger, 7mm.; plates of male transverse, less than one-half the length of the pygofers; base of the elytra usually fuscous in Ee a OT IS! RE i oe ae ain Ee RT eee SP a basalis Smaller, 6mm.; plates of the male rounded, almost attaining the apex of the pygofers; base of the elytra of the female without MMMM TA TA tei the Se ie ice le) acsyou didin & sim ecctee aye aes coloepium C. basalis Van Duzee. Proc. Acad. Nat. Sci. Phila., lix, 489, 1908. This, our largest Cixius, resembles in size and marking Oliarus quinquelineatus. Inthe female and sometimes in the male the base of the elytra is infuscated to or beyond the apex of the scutellum. In this ‘species the anal tube of the male is produced far beyond the plates and sides of the genital segment. It is distributed through- out the United States and Canada. Portland, 8 Aug., 1913, 24 July, 1921 (B. H. W.); Litchfield, 22 July, 1920 (P. G.) ; East Haven, 21 July, New Haven, 17 July, Hamden, 20 July, 1920, Milford, 13 June, 1921, Cornwall, 18 July, 1921 (B. H. W.). C. miscellus Van Duzee. stigmatus Uhler. Bull. U. S. Geol. Geog. Surv. Terr., i, 352, 1876. 2 34 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. This species may be distinguished from the next by the longer and more nearly square vertex and longer and narrower front and clypeus which are black with pale carinae. Dr. Ball has kindly called my attention to the fact that my Cixws lepidus is the true stigmatus of Say, which is distributed from the Mississippi Valley west to the Rocky Mountains. I have therefore in my Check List renamed this species which has been sufficiently characterized by me in the Canadian Entomologist, Vol. XXXVill, page 408, 1906, and Proceedings Academy of Natural Science of Philadelphia, Vol. lix, pages 488 and 490, 1907. So far as I now know its range is confined to the northern states and Canada. : Stonington, 7 -July, yous WwW. D.); Middlebury, 20 June, 1016; Hamden, 12 June, 1910, CM. PZ)" C. coloepium Fitch. Trans. N. Y. Agr. Soc., xvi, 452, 1856. Differs from miscellus in having the vertex short and distinctly transverse, and the front and clypeus proportionately shorter and broader. Here, however, the elytra are whitish-hyaline and more or less maculated. This species occurs from Ontario and New York west to Colorado. Scotland, 27 July, 1904, Hamden, 20 June, 1920, New Haven, 17 June, 1920 (B. H. W.). C. pini Fitch. Homop. N. Y. St. Cab., 45, 1851. Size and form of coloepium but readily distinguished by the elytra having a faint fulvous tinge and wanting the spots usually present in the allied species. This form lives on bt bushes in the northern states and Canada. Goshen, 4 July, 1919 (M. P. Z.); Cornwall, 18 July, 1921 (B. H. W.). Oecleus Stal. Stal established this genus for a group of the smaller Ciriuds having a more slender form and a linear deeply sulcate vertex which is nearly or quite closed posteriorly. One species occurs in Connecticut. O. borealis Van Duzee. Bull) Batt.’ Soc. Nat. Sci..'x; 405; 1012. Black or nearly so with the carinae pale and the mesonotum lineate with fulvous and furnished with five carinae; elytra hyaline, the nervures fulvous and minutely dotted with fuscous. New Haven, 18 June, 1902 (E. J. S. M.); 5 July, 1920 (B. H. W.). Myndus Stal. Differs from Oecleus in having the vertex as broad as or broader than the eyes and distinctly wider at base. Here the mesonotum is tricarinate. No. 34.] HEMIPTERA OF CONNECTICUT: FULGORIDAE. 35 Key to Species. 1. Uniformly fulvous-yellow with the elytra whitish-hyaline ...... fulvus Front banded with black; various dark markings ............... 2 2. Elytra with a longitudinal fuscous vitta at apex .......... pictifrons Beate Witnout a TuSCOUS Vitta So. e. ecceccsccecedcuns sordidipennis M. pictifrons Stal. Berl. Ent. Zeit., vi, 307, 1862. Front broad marked with a conspicuous black band at base and another at apex; color a dull fulvo-testaceous, the outer angles of the mesonotum marked with a fuscous vitta; elytra hyaline, the nervures heavy and distinctly dotted; a sinuous fuscous vitta from the base of the inner anteapical areole to the inner apical angle of the elytra. Length 5mm. This species has been reported from New York to the District of Columbia and must occur in Connecticut. M. sordidipennis Stal. Berl. Ent. Zeit., vi, 308, 1862. Differs from the preceding in being more strongly tinged with fulvous, in having a wider vertex, and in having no apical fuscous vitta on the elytra and the nervures more slender. It lives throughout the eastern United States and Canada. New Haven, 4-9 July, 1921 (B. H. W.). M. fulvus Osborn. Ohio Nat., iv, 46, 1903. A small pale fulvous species with immaculate front and whitish hyaline wings. It is known to inhabit from Massachusetts to Ohio. Rowayton, 9 Aug., 1908 (C. W. J.) ; New Haven, 23 July, 1910, 9 July, Tort, t1 July, 1920 (B. H. W.). Subfamily Isstnaeg. Thick-set insects usually with broad heads, more or less trun- cated before but occasionally produced a little. The elytra when fully developed are often convex and more or less gibbous near their base. Key to Tribes. Head rostrate-produced, or having the clypeus strongly inflexed and shouldered, thus forming nearly a right angle with the line of SEP RRAE UT Aue SA TEAST TS eh Clint Rae IS adkly alt Caliscelini Head not rostrate-produced, the clypeus on nearly the same plane as Rem ISNR Ape Ira tem Me A faa dahl did coereidia sae aldlad a ocd Sate seme Issini Tribe CALISCELINI. In this tribe the elytra are usually short, rarely surpassing the middle of the abdomen; long-winged individuals may, however, be found in any of the species. 36 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. { Bull. Key to Genera. 1. Front vertical or inferior, not visible from above, the head not At all produced (2/320 iin care ee pelea ee ee Aphelonema, p. 37 Front more or less superior, visible from above, the head more or less. rostrate-produced. 20. boc. seedeevoests «sgt eee 2 2. Anterior tibiae moderately foliaceous along its whole upper edge; apex of the produced head forming a nearly spherical polished ETO (a Shs so ae ays oer etree sy cele at epee ee Fitchiella, p. 36 Anterior tibiae simple; apex of the produced head sometimes knob-like, in that case with a sharp median carina; macrop- terous elytra with a series of heavy transverse veins before the apical Mareeles':. sib ee ees ea ae cee Bruchomorpha, p. 36 Fitchiella Van Duzee. Naso Fitch. F. robertsoni (Fitch). Trans. N. Y. St. Agr. Soc., xvi, 306, 1856. Testaceous, veined and dotted with black; the knob-like apex of the head, two vittae on either side of the apex of the front, another pair on the vertex and one on the mesonotum, black; beneath and legs black, varied with pale. Length 2-3 mm. New York to Florida and must be taken in Connecticut. Bruchomorpha Newman. Key to Species. 1. Head produced in a rounded, compressed and carinate, knob-like POSCMUNM ee eels Si een hia oie alee, Sis siicue oe elise le telete calle Catena teen Head rounded at apex, not produced in a rostrum; color black, more or less metallic, the coxae only pale, the median carina of the front scarcely paler)... cc 65 o.c's.o2 0 oes» apace eee tristis 2. Black, with a conspicuous, percurrent, dorsal vitta and the legs and coxal region almost white’ ..5.2.0.24¢..200.-e 5 eee dorsata Black, narrow median vitta on the front and vertex, legs and coxal region pale or castaneous ......-...-...+. 5 #5 ene oculata B. dorsata Fitch. Trans, N.: Y. St. Age. Soc. xvi, 306; 1556. This species has distinct coppery reflections and may be distin- guished from the more western suturalis by having the dorsal vitta continued to the apex of the abdomen. It has been reported from New York westward and should be found 1 in Connecticut. B. oculata Newman. Ent. Mag., v, 399, 1838. Color of the preceding but with the dorsal vitta narrow and con- fined to the head. Common in ‘grassy places throughout the eastern United States and Canada. Colebrook, 21 July, 1905 (H. L. V.); Cromwell, 18 July, 1921 (B. H. W.); Portland, 24 July, 1921 (M. P. Z.) (B. H. W.). No. 34. | HEMIPTERA OF CONNECTICUT: FULGORIDAE. 37 B. tristis Stal. Berl. Ent. Zeit., vi, 309, 1862. More bluish or greenish black, with the dorsal carina of the head scarcely paler. It has the same distribution as the preceding and should be found in Connecticut. Brookfield, 27 July, E. L. Dickerson. Aphelonema Uhler. Short thick-set little insects with a square head and nearly ver- tical front, marked on the sides of the head, thorax and abdomen with pitted granules; the front oval and truncated at base. Key to Species. Smeese, tneate with black; front ovate ...........s.se0ee000 histrionica Testaceous, nearly immaculate; front nearly circular ............ simplex A. histrionica (Stal). Berl. Ent. Zeit., vi, 310, 1862. Readily distinguished by two parallel dorsal lines and broader lateral vittae on the abdomen; the sides of the face, pro- and mesonotum are black with the carinae and granules pale. Massa- chusetts westward and doubtless in Connecticut. A. simplex Uhler. Bull. U. S. Geol. Geog. Surv. Terr., i, 356, 1876. Nearly uniformly soiled- or yellowish-testaceous. Recorded from New Jersey westward. Plainville, 2 Sept., 1921 (B. H. W.). Tribe ISSINI. But one genus of this tribe has a distribution that would be likely to bring it into Connecticut. Thionia Stal. Stout oblong insects with wings well developed; elytra oblong with strong veins, the front hardly longer than wide, sometimes with three distinct discal carinae. Key to Species. 1. Pale greenish-testaceous; elytra parallel, semivitreous, the longi- tudinal veins strong and fuscous, the transverse very faint; BeinoOrib it OMe Gised! CATING 20.2. seve d cs ecsme sca tene simplex More infuscated and maculated; elytra broad with distinct cross- eM Roh SN eS hd aa id n'a 5 clu Baid SUM clauedb’ as SR ns Hodlincalhe & wre. 2 2. Elytra brown, dotted with round fuscous points, the veins fuscous; face with a pale band crossing the base of the clypeus ...... elliptica Elytra more thickened and distinctly maculated, the marks usually forming a transverse band before the middle; disk of the front REM Pa Ls cc oth cle xin bik os sia nalg sick me ab secs bullata 38 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. T. simplex (Germar). Thon’s Ent. Archiv., ii, 51, 1830. Distinct by its narrow form, greenish-testaceous color with darker venation, and the transverse black line on the apex of the head. New Jersey southward and westward. May occur in Connecticut. T. elliptica (Germar). Thon’s Ent. Archiv., ii, 51, 1830. Larger, broader and darker brown than simplex with the elytra closely dotted with brown and a transverse pale band on the face. Occurs from New Jersey southward and might occur in southern . Connecticut. ; T. bullata (Say). Jour. Acad. Nat. Sci. Phila., vi, 240, 1830. A more maculated species with three distinct discal carinae on the front. It is distributed from Ontario southward and west- ward and must occur in Connecticut. Subfamily ACANALONIINAE. Distinguished by having the broad vertical elytra closely reticu- lated all over, without a series of marginal parallel veins. But one genus occurs in our fauna. All are pretty, green insects. Acanalonia Spinola. Amphiscepa Uhler. Key to Species. Dorsum concolorous; vertex subconically produced ............... conica Dorsum marked with a double fuscous vitta, vertex short, truncate bivittata A. bivittata (Say). (PI. iv, 3.) Jour, Acad. Nat. Sci. Phila, tv, 335, 1625. Clear green marked with two approximate dark brown dorsal vittae which converge to the tip of the clavus. United States and Canada east of the Rocky Mountains. New Haven, 1 Aug., 1904 (P. L. B.), 16 Aug., 12 Sept., 1904 (B. H. W.), 27 Aug. ror (i. We Ds), 16 Aue: ae (W. E. B.); New Canaan, 1 Oct., 1903 (B. H. W.),; 2 Oct., 1007. CW? E. B.), 5 Sept; tora Cie aa East Hartiord, 9 Aug.,' r904\\(P. I, B.),; ‘Scotland, 8 Aug., 1905 (B. H. W.); Prospect, 15 Aug., 1906 (W. E. B.); East River, 29 Aug., 1908 (C. R. io) Middletown, 23 Aug., 1912 (D. J. C.); Yalesville, 24 Sept., 1912) CE, By Ik A. conica (Say). Jour. Acad. Nat. Sci. Phila., vi, 238, 1830. A larger, uniformly pale green species well distinguished by having the vertex conically produced but flattened above. Recorded from Ohio to Virginia and Texas and may occur in southern Connecticut. No. 34.] HEMIPTERA OF CONNECTICUT: FULGORIDAE. 39 Subfamily FLATINAE. Here the clavus is granulated at base and the costal area of the elytra has a series of transverse veins. Ormenis Stal. Differs from the preceding genus in having a granulated clavus and the apex of the elytra furnished with one or two series of regular parallel areoles. Key to Species. See Tingorny Cleat STEEN 066 Laide ke i ce kode clea wels ole septentrionalis Color fuscous with the costa and claval suture pale ............. pruinosa O. pruinosa (Say). (PI. iv, 4.) weur, Acad. Nat. Sci. Phila., vi, 237, 1830. A dark fuscous-brown species marked with pale along the costa and suture and generally with about three dark points near the base of the elytra. When mature the whole insect is usually heavily white-pruinose. It occurs throughout the eastern United States and Canada. New Haven, 14 July, 1809 (V. L. Churchill), 1 Aug., 1905 (B. H. W.), miemus. 1004, 7 Aug. 1005, 9 Sept. 19007 (W. E. B.), 26 Aug., 19013 eee: L.), 24 Aug. to1g4 (M. P. Z.); New Canaan, 14 Sept., 1906 ow. =. B.); Hartiord; 10 Sept, 10907 Ae He) ED), 12) -Sept., . re07 (W. E. B.); East River, 6 sae, 1908 (G RE.) .Wallinetord, 26 July, mors (J. K. iL.) Brookfield Gi Ly D.). O. septentrionalis (Spinola). (PI. iv, 6.) Ann. Soc. Ent. Fr., viii, 436, 1839. A nearly immaculate clear light green insect, often white- pruinose. It is distributed from New York south and west nearly to the Rocky Mountains. New Haven, 29 Sept., 3 Oct., 1902 (B. H. W.), 24 Aug., 1904 (P. L. B.), fees. ro00 (W, E. B.), 28 Aug. 1913 (Q. S. L.), 13 Aug, Io14 fmt. Z.), 27 Aug., 1914 (1. W. D.); New Canaan, 9 Oct., Stafford, 24 Aug., 1905, Westville, 5, 9 Sept., 1907, Hartford, 10 Sept., 1907, Stratford, 13 Sept., 1907 (W. E. B.); East River, 6 Aug., 1908 (C. R. E.) ; Portland, Aug., 1913 (B. H. W.). Subfamily DERBINAE. Frail moth-like Fulgorids with the elytra and wings ample and often much elongated; head more or less compressed with the front often reduced to a mere sulcus; antennae often flattened, and, in Otsocerus, split into two or three filaments, inserted in cup- like cavities. They may be found on willows and other trees in late summer and early autumn. Key to Genera. 1. Second antennal joint nearly globular, but little flattened, antennal sockets conspicuously expanded, equalling or exceeding the second antennal joint; front moderately broad ............... 2 40 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Second antennal joint flattened and greatly expanded; antennal sockets small, rim-like; front reduced to a mere sulcus, the lateral carinae contiguous siiseecun secs nas 0a epee = t=. A 2. Front broader, with a median carina usually indicated, its width at least one-third its length; vertex transverse, sloping into the base of ‘the iront $2. cic ete e fee eee Lamenia, p. 40 Front narrow, without a median carina; its width never one- fourth its length; vertex horizontal, narrowed before, angled tothe \basevot the fromt.) te; <5 oda eeeeine eee Cenchrea, p. 41 3. Second antennal joint split into two to four filaments ............ Otiocerus, p. 43 Second antennal joint entire ..... 0.062 000..005 «0 oe 4 4. Second antennal joint hardly more than twice longer than broad Cyclokara, p. 41 ee antennal joint obviously more than twice longer than FORE) oe ga iate. eleva oseig cies nvale weds wine letcluu eral cnet elenniens aaa 5 5. Ocelli absent; second antennal joint narrow, subterete, a little wider apically; rostrum short, reaching the base of the hind COXA! a). a soins a la Pane als she nl phere tMe dais acter Anotia, p. 42 Ocelli present; second antennal joint broad, linear, with a sub- apical notch for the seta; rostrum long, reaching the middle of PG, WTR LOY eee HE PR es ie le oa Amalopota, p. 4I Lamenia Stal. Shorter winged forms recalling Orments in miniature, and often pruinose as in that genus. Their broader and subglobose front will serve to distinguish them from our other Derbidae. I cannot agree with Mr. Muir in restricting Lamenia to oriental forms and placing our species in genus Herpss Stal. Key to Species. 1. Color soiled white, maculated all over with fuscous and with a fuscous median line on the head, pro- and mesonotum ....maculata Insects nearly uniform in color, without maculations ............ 2. Color testaceous, becoming more or less fulvous on the head, pro- and smesonotum’:. 0.020046) ooo ion ks es ee ee eer edentula Color slaty-black, almost immaculate, white pruinose when fresh 3 3. Larger, 4-4.5mm.; inner margin of the male plates entire or qrear ly: SO uh bs BS PUN ey Set ... vulgaris Smaller, 3-3.5mm.; inner margin of the male plates distinctly notched mear their base 2% ...5. 0.45.06 e0006 +000 obscura L. vulgaris (Fitch). Homop. N. Y. St. Cab., 47, 1851. A small blackish-fuscous insect, usually covered with a white bloom. Found throughout the eastern United States and Canada, usually on oaks. East Wallingford, 6 July, 1904, Torrington, 7 July, 1905 (W. E. B.); Brantord, 25 Jaly, tors CELL. VV.) L. obscura Ball. Can. Ent., xxxiv, 262, 1902. A smaller species than vulgaris but otherwise very similar. It has the same distribution but does not seem to inhabit the oak. No. 34.] HEMIPTERA OF CONNECTICUT: FULGORIDAE. 41 New Haven, 26 June, 1910, 4 July, 1920 (B. H. W.); East River, 4 Aug., 1910 (C. R. E.); North Branford, 23 June, 1912 (B. H. W.). L. edentula Van Duzee. Bull. Buff. Soc. Nat. Sci., x, 503, 1912. A pale fulvous or testaceous species found from New Jersey southward and might occur in southern Connecticut. L. maculata Van Duzee. Bull. Buff. Soc. Nat. Sci., x, 503, 1912. About the size of vulgarss but very distinct in its white and fuscous markings. It has been found in southern Ontario and New Jersey and probably will be taken in Connecticut. Cenchrea Westwood. Closely allied to Lamenia but sufficiently distinct in its well dif- ferentiated vertex, narrower front, and generally more elongated form. One species may reach Connecticut. C. uhleri Ball. Can. Ent., xxxiv, 261, 1902. A pale fulvous insect, 5 mm. to tip of the elytra, marked with commissural and subcostal vittae on the slightly smoky elytra. It has been reported from New Jersey southward and westward to Kansas. Cyclokara Muir. But one species has been found in our territory. C. vanduzei (Ball). Can. Ent., xxxiv, 260, 1902. This insect has much the aspect of a small Otvocerus degeers, but generically it is sufficiently distinct by its shorter head and broad simple antennae. It has been taken in New York, Pennsylvania and Ohio and will probably be found in Connecticut. ’ Amalopota Van Duzee. Very near to Anotia but may be separated by the characters given in the table. Key to Species. Elytra whitish-hyaline, marked with a fuscous band at base and another near the apex, the latter veined with sanguinous toward MPEP TES Si) Nis aca cit ula lie eit 2 More [tee stanton a tie ial sls uhleri Elytra creamy-white, marked with a longitudinal fuscous vitta along the clavus to the stigma where it is branched, one fork reaching the apex near the costa and the other near the internal angle . .fitchi A. uhleri Van Duzee. Can. Ent., xxi, 178, 1880. This very pretty little species is found about open woodlands in the northern states and lower Canada and doubtless will be taken in Connecticut. 42 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. A. fitchi Van Duzee. Can. Ent., xxv, 280, 1893. This species has much the aspect of Anotia bonnetiis but with a shorter head and broader antennae. It is intermediate in its characters between Amalopota and Anotia. It has the same dis- tribution as uhleri and should be found in Connecticut. Anotia Fitch. As stated by Dr. Fitch the insects of this genus are found in swampy places on willows. Key to Species. 1. Size larger (10mm.); humeral dilations forming erect tongue-like processes about as long as the width of the elytra at that point; color whitish with a transverse fuscous band on the basal third Of the elytra oi)... ccg 50s one 0 wisis apie 206.0 ole wc o/s oe eer sayi Smaller (about 6mm.) ; humeral dilation narrow, at most ellipti- Cal eee eave wad oa Se a wale eee keel bee nee eer ae 2. Basal three segments of the abdomen with a dorsal black vitta .. burnetii Base of abdomen without a dorsal black vitta |. 52) 3. Elytra tinged with yellow, marked with an oblique black line near the basal third and four blackish spots on the apical margin bonnetii Elytra whitish-hyaline, without a distinct oblique black vitta or FOUL apical SPOtS. 04 s.joo'0 6 biiscicle J asuinwe we seushe o/h westwoodi A. westwoodi Fitch. Trans. IN. 'Y. St; Agr. Soc:,. xvi, 304, 1856. Paler and less clearly marked than the preceding, the elytra without the yellowish tinge and black markings. It has about the same distribution as the preceding and should be found in Connecticut. A. bonnetii Kirby. Trans. Linn. Soc. Lond., xiii, 21, 1819. The four apical spots and oblique vitta seem to be the best characters by which to distinguish this species. It has been reported from Ontario to Georgia. Cornwall, 18 July, 1921 (B. H. W.). A. burnetii Fitch. Trans? N.Y. St. Aer. Soc., xvi, 305), 2850: Still paler and less distinctly marked than the preceding but readily distinguished by the short black stripe on the base of the abdomen. Inhabits the northern states and should occur in Connecticut. A. sayi Ball. Can. Ent., xxxiv, 259, 1902. Very distinct by its large size and the ligulate appendage near the base of the elytra. It is known only from its type locality near Buffalo, N. Y., but there is no reason why it should not be found in suitable situations in Connecticut. No. 34.] HEMIPTERA OF CONNECTICUT: FULGORIDAE. 43 Otiocerus Kirby. A genus of frail pretty insects remarkable for their strongly compressed foliaceous head, quite extinguishing the front, the lateral carinae of the vertex being greatly developed and contin- uous with those of the front. The division of the second antennal joint into two to four filaments is also peculiar to this genus so far as our fauna is concerned. These antennal filaments are generally shrivelled and tortuous so it is difficult to be sure of their relative lengths but they seem to be about equal. The ocelli are wanting. Key to Species. Muemerat Color leht.or-dark rufous 2.25.66 Sect e ce cence cccceoe’ 2 meretar color pale yellow or whitish ..0.......0.0 00h doce ed ews 2. Larger, 11mm.; elytra with a short whitish line beyond the tip IR MEIEMNRES silence cs Paine’ Theo ER ain Rate ein Vidte MK Uolgen'! CUE Ras degeeri Smaller, 8mm.; elytra with an oval pale spot on the apical margin meaaattion. to the commissural line’... 60.2... eet a wc wee woe stollii 3. Elytra hyaline with sanguinous veins but otherwise unmarked; AAT ORR SES coe ea Re ae A ne schellenbergii Elytra with markings other than the colored veins .............. 4 4. Elytra whitish, quite evenly dotted with fuscous points ......... 5 Elytra with few if any fuscous points, length 10-II mm. ......... 6 5. Elytra with many fuscous points but without other markings, REARS SEL. FC ee. ot Ciesla ih aie eran dee cee oui abbotii Elytra with a fuscous mark at the tip of the clavus, another at base of the membrane, and indications of an oblique vitta along the subapical transverse veins; fuscous points more variable in I PIER TED TNEEN ss eka tui ehr is, Vine cadiw ace Coa Saree aoe a francilloni 6. Elytra with a vitta from the apex of the clavus to the apex of NEE RCRINNYRMSL CERT EI eS TLDs Oo ce. ai sl da alld any a iehavale O¥ nd, Kia's Cais Al kirbyii Elytra with a vitta from the base of the corium to the apex of the eiavus in. addition to that found in kirby ..... 0.6. e eee eee 7 7. Elytra clear yellowish white, without dots, the vittae sanguinous, the apical sending a branch along the sutural margin of the membrane to the middle of the apical margin; the radial vein with a short sanguinous vitta before the middle ......... coquebertii Elytra with a few scattering dots, the vittae fuscous ........... 8 8. Head with a red vitta from the eye to the tip where it ends in a Dumerditci ine: Clytral vittae faint <0. 6c. ed es ae ween seta es wolfi Head with the red vitta below the line of the eye, sometimes MEERUT CAE WirtaG CUSTINICE « «5 :5/0)cs)e G4 dis dia ve vue aw ape a alees g. Elytra beyond the transverse veins largely fuscous with a large apical pale spot; fuscous dots few, on the basal half of the Gn Sh OSI QB lia ite ER SER Aa eas ee ne, signoretii Elytra with the apical vitta not at all expanded; fuscous dots _ small and confined to the apical areoles .......0...eccee00- amyotii O. degeeri Kirby. Trans. Linn. Soc. Lond., xiii, 16, 18109. This large sanguinous or dark red form is common in New York state and seems to be distributed throughout the eastern United States and Canada. Canterbury, 14 Aug., 1905, Portland, 10 Aug., 1913, Cornwall, 18 July, ee aan Branford, 1 Aug., 1922 (B. H. W.); Hamden, 15 Aug., 1921 44 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. { Bull. O. stollii Kirby. Trans. Linn. Soc. Lond., xiii, 16, 18109. Colored much as in degeers but a much smaller species. I have taken it only on oaks. It is found from New York southward and should be taken in Connecticut. O. schellenbergii Kirby. Trans. Linn. Soc. Lond., xiii, 18, 1810. A small pale species with the same distribution as the preceding and must be found in Connecticut. O. abbotii Kirby. Trans. Linn. Soc. Lond., xiii, 17, 1819. This small dotted form is apparently rare in the North. Guilford, 13 July, 1920 (B. H. W.). O. francilloni Kirby. Trans. Linn. Soc. Lond., xiii, 17, 1819. Reported from New York to Georgia and probably lives in Connecticut. | O. kirbyii Fitch. Hemop. NY. St'Caby 46, 1851. Known only from New York but probably will be taken in Connecticut. O. coquebertii Kirby. Trans, Linn. Sec. Lond: xin,18, 1819: The most abundant and the most beautiful species of the genus. Hamden, 14 July, 1921 (P. G.); Brookfield (E. L. D.). O. wolfii Kirby. Trans. Linn. Soc. Lond., xiii, 19, 1819. Another common species found on hickory trees from New York to Georgia and should be taken in Connecticut. O. signoretii Fitch. Trans. N. Y. St. Agr. Soc., xvi, 304, 1856. Reported from New York to Texas and should be found in Connecticut. | O. amyotii Fitch. Trans) N: Y. St. Asr, Soc... xvi, 304, 7Ss6: Same distribution as signoretis, but not common. New Haven, 17 July, 1912, 28 June, 1920 (B. H. W.). Subfamily DELPHACINAE. Small insects readily distinguished by the presence of a large movable spur at the apex of the hind tibiae. They are usually abundant in low grassy meadows and about the borders of streams. No. 34.] HEMIPTERA OF CONNECTICUT: FULGORIDAE. 45 Tibia Movable Spur_ or Calcar -, Tarsus a” , ‘ Fic. 3. Liburniella ornata Stal,—Leg and antenna greatly enlarged. Drawn by Dr. Philip Garman. Key to Genera. 1. Lateral carinae of the pronotum attaining the hind edge or becom- ing ebsolete a little within the Margin 5.4.0... 6.260600 oslo 2 Lateral carinae of the pronotum deflected outwardly behind the Bueno. directed toward the hind edae:.... céeiea ess su sae et wie 8 2. Median carina of the front normally narrowly forked below the apex of the head, the branches usually obscure where they pass over the apex; lateral carinae of the pronotum sometimes abbreviated at about the middle of the pronotal disk; face with a pale band crossing the base of the clypeus ..... Pissonotus, p. 48 Median carina of the front running to the apex of the head; face without a transverse pale band on the base of the clypeus ...... 3 Front narrow or a very little wider below; the sides rectilinear 4 BE VOLOAGEE DElOW OL ODIONS oi. 46 ks oss ine cob oe ores chelanib dees 5 4. Vertex produced for nearly or quite one-half its length before the eyes; lateral carinae of the pronotum rectilinear Stenocranus, p. 46 Vertex scarcely surpassing the eyes; lateral carinae of the pro- notum bowed outward on the disk ................. Stobaera, p. 51 5. Front oblong, a little wider above the antennae; apex of the head rounded, the carinae nearly obsolete there ........... Kelisia, p. 46 Front ovate or distinctly wider below near its apex; apex of the head produced, sharp, the carinae there prominent ............ 6 6. Form slender, linear; vertex produced before the eye for nearly or quite the length of the eye, conical at apex; the median carina obsolete and not continued over to the front; front elliptical, its base acute, the apex truncated, the median carina obsolete EIS ERGO heist aM coc ciate Uk sd Sais se ole WZ Megamelanus, p. 47 Form sometimes slender; vertex less produced, truncated at apex, the lateral carinae of the front continued over on to the vertex 7 7. Front ovate, its sides much arcuated below, nearly rectilinear above to the narrow base; form slender ......... Prokelisia, p. 47 Front less widened to its apex; form broader ovate ........... Megamelus, p. 48 MIEN Wh ONE Mlediam, CATINA-. 2... eck ee Cece ete ceetuvecerss 9 Bee ewO, Median camnae fii. eee ee ec dacee ss 12 9. Anterior and sometimes the intermediate tibiae foliaceous ....... Phyllodinus, p. 50 Anterior and intermediate tibiae slightly if at all expanded ..... 10 46 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. 10. Lateral carinae of the pronotum and the front on either side with a row of crater-like pits; front broad, but little exceeding the 2.) ae aera PRR E Sel te et. MaMa ai a eae Wee Dea Save ea ee Laccocera, p. 51 Crater-like pits wanting on the front and lateral pronotal carinae 11 11. Oblique apical carinae of the vertex obsolete or nearly so, leaving the lateral compartments of the vertex continuous with those of the front; median dorsal line white, bordered with black; elytra with a broad angled fuscous vitta ......... Liburniella, p. 52 Oblique carinae at apex of the vertex more or less obvious, when obsolete the median carina also obsolete, the lateral compart- ments of the vertex not continuous with those of the front ... Liburnia, p. 52 12. Mesonotum with five carinae; insect large, green ....[Pentagramma] Mesonotum with three carinae, sides of the pronotum and face with pitted granules; insects brachypterous, larvae of ....... . Megamelus, p. 48 Stenocranus Fieber. Slender flavo-testaceous insects with a median white dorsal vitta and on each elytron a longitudinal fuscous vitta in the median apical cell. Length 4-5mm. They live on the various meadow carices. Key to Species. Front black with white carinae .....23..¢...0: 600. 2) eee dorsalis Front brown) with white ‘carinae 23. 2. a. ee we cee dorsalis var. vittatus Front Concolorous .ciccc ec cc bce as Lew nebceceseu cea) 2a felti S. dorsalis (Fitch). Homop. N. Y. St. Cab., 46, 1851. A familiar object about Carices everywhere east of the Rocky Mountains, and must be common in suitable locations in Connecti- cut. These insects and the Cymus found with them mimic the chaff of the Carex so perfectly that they are hard to detect when seen together in the collecting net. S. dorsalis var. vittatus (Stal). Jautus Van Duzee. Berl. Ent. Zeit., vi, 315, 1862. Collinsville, 8 ‘Sept., ror6é CW. E. 3B.); Hanidteniv2as sere. . ocr (BER Wo: S. felti Van Duzee. Trans) Am. Ent, Soc.; xxxvi,'88;1010: A shorter and broader form with less strongly contrasting colors. It was described from New Hampshire, has been taken in New York and may occur in the hilly portions of Connecticut. Kelisia Fieber. Similar to the preceding genus in form and color but distinct by its broader form and shorter blunt vertex. No. 34.] | HEMIPTERA OF CONNECTICUT: FULGORIDAE. 47 Key to Species. continued along Bane SeeIS Mar ELE ELV EDORN hase: Wave tale hid ates axialis Pale flavo-testaceous with a dorsal white line which is reproduced on ee retin, Sn a ke UUW Piers Le hee, Sib. ult crocea K. axialis Van Duzee. Bull. Buff. Soc. Nat. Sci., v, 232, 1897. Like all its relatives this is found in swampy meadows. The wingless form is common with the elytra shorter and more lanceo- late. It is less abundant than Stenocranus dorsalis but like that is distributed throughout the eastern United States and Canada. New Haven, 20 Aug., 1909 (B. H. W.). | K. crocea Van Duzee. Bull. Buff. Soc. Nat. Sci., v, 233, 1897. This pale yellowish species is most at home in the Mississippi Valley but it has been taken at Faneuil, Mass. In certain characters it recalls Stenocranus. | New Haven, 8 Aug., 1920 (B. H. W.). Megamelanus Ball. Small slender insects with a long pointed head. They are found on Sparta and related grasses. Length 3-4 mm. M. spartini Osborn. Ohio Nat., v, 375, 1905. The females are pale yellowish while the males are darker with the apex of the elytra smoky. They are common about New York City and must occur in southern Connecticut. Prokelisia Osborn. I am separating this genus from Megamelus by its more slender form and more ovate front with the sides more strongly arcuated. Some individuals in this genus, as in Kelisia and Megamelanus, have the elytra shorter and more lanceolate with the wings aborted. Key to Species. Testaceous marked with black on the abdomen, the frontal carinae Peed with blacks length 3-3.5 mim. oS ef i dee or marginata Flavo-testaceous, nearly unicolorous or with the head a little smoky; IEEE Pe IETA chee Eels chal ec s\.acyy, a)te von) 8 La aia ww cig dae ag setigera P. marginata (Van Duzee). Bull. Buff. Soc. Nat. Sci., v, 234, 1897. Common throughout the United States and Canada. Stratford, 21 July, 1908 (B. H. W.). P. setigera Osborn. Ohio Nat., v, 373, 1905. 48 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. { Bull. Described from Louisiana but common in Massachusetts and undoubtedly occurs in Connecticut. Apparently a sea-coast species and probably lives on some shore grass. | Megamelus Fieber. In this genus the vertex is produced before the eyes but less so than in Stenocranus, the carinae are sharp and prominent over the apex of the head and the front is broader below with the sides sometimes a little arcuated. Crawford’s use of this generic name in 1914 is unwarranted and unscientific. Key to Species. 1. Flavo-testaceous varied with fuscous or brown; face with a transverse brown band covering the clypeus ............... notulus Fuscous or blackish, varied with pale ............-COMMISSURAL LINE 57 1ST. CROSS NERVURE LAST VENTRAL EGMENT - DMéFkrt CLYPEUS Del Uhler,—(Upper) Dorsal view. (Lower All greatly enlarged. Drawing by D. M. and F. M. DeLong. 58 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. This family as considered at the present time includes the leaf- hoppers closely allied in structure to the Cercopidae, Membracidae and Fulgoridae, and is placed systematically between the two latter families, but is easily distinguished from all of these by the double row of spines on the hind tibiae, the prominent but normal pronotum and the insertion of the antennae on the front between the eyes. A few forms like Penthimia americana Fitch, and certain of the Gyponas and Acucephalini resemble very closely the Cercopidae, but lack the circlet of large heavy spines at the distal end of the hind tibiae of the Cercopidae, and are armed with a double row instead. In the Membracidae the pronotum is greatly produced, often covering a large part of the dorsal portion of the body, and projects in curious structures formed at the sides or in front. The pronotum is normal in the Cicadellidae and forms only a dorsal covering of the thoracic region. As a group the Ful- goridae are most easily confused with this family. In the Fulgoridae the antennae are always beneath the eyes; the ocelli are beneath the eyes or sunken into the cheeks close to the eyes, and are separated from the keeled frons by a distinct and often conspicuous ridge at the sides. The pronotum is very short and usually keeled. Observation of the position and character of these structures should easily separate these two groups. The Connecticut records of this group at present are of those which have been taken in general collecting, since no special col- lecting has been undertaken. For this reason the following list of species includes all which have been taken in adjoining states, and which doubtless occur in the state, and may be found by more extensive search. Key to Subfamilies. 1. Ocelli not on front, either on disc or margin of vertex. (Fig. 5, TA, Ga, 7D)? asthe be ele o ecnle © alee Giwieteys seve Wie une eke err 2 Ocelli on front below margin of vertex. (Fig. 5, 4b and c.) .... BYTHOSCOPINAE, p. 58 2. Ocelli on disc of vertex usually distinct from the margin. (Fig. 5, TA, Ba) io iveitivelain wai@ek bia eisibe RWIS eialale ct bhe’s Stee ee ett er 3 Ocelli # margin of vertex or between vertex and front near margin, sometimes wanting (TypPHLocyBINI). (Fig. 5, 7b.) .... JASSINAE, p. 85 3. Body usually elongate, cylindrical, head often angulate. (Fig. 5, DAE) is He SheR eS Sais Soe uk bite ask, tees Se ene CICADELLINAE, p. '7S Body usually dorso-ventrally flattened, broadly oval and with head usually broadly rounded or roundingly angulate. (Fig. 5, 2a, b.) GYPONINAE, p. 80 Subfamily ByTHOSCOPINAE. The chief characteristic of this subfamily and the one which will readily separate it from the other members of the family, is the position of the ocelli which are located on the front below the No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 59 margin of the vertex. The vertex is usually short and very broad, rounding to the front so that no definite margin is between them. Key to Genera. 1. Anterior margin of the pronotum not produced beyond the anterior margin of the eyes, vertex distinctly and broadly Pep eramreriori ys CE IS. 5. GAL) chia s cheb ccbieie we hdle bum ao'e 2 Anterior margin of pronotum strongly produced beyond anterior margin of eyes, vertex obtusely angulate. (Fig. 5, ga.) ....... 4 2. Head across eyes as wide as, usually wider than pronotum, humeral angles rounded, not prominent .. 0.2.00 .6 elec ee te oe 3 Head, including eyes, narrower than pronotum which is widened Penrominent humeral angles 2.6.66. 6 seco cece. 6) [Bythoscopus] 3. Elytra with large appendix, vertex very broadly curved before, . Seen SE ANIL 0 1G ERE iB, MDA Dy o ease evn a) de en nia Gina la abt Idiocerus, p. 61 Elytra with appendix very small or wanting, vertex more dis- tinctly curved and produced anteriorly. (Fig. 5, 3.) ..Agallia, p. 59 4. Vertex strongly angled, striations on pronotum extending obliquely from median longitudinal line toward humeral angles MIMO et a eee aged cic kioa ug bee Aad Macropsis, p. 66 Vertex more obtusely angled, pronotum with striation transverse eee ye Shia CS PEA: Vd clea ain dada eicldie, siete «opened Oncopsis, p. 69 Agallia Curtis. Comprised of small species varying from brown to dirty white, but usually the former color. Vertex well rounded almost parallel margined, head wider than elytra at base. Face as long as wide, elytra with an appendix. Contrary to the feeding habits of most of this subfamily, the species of Agallia live almost entirely upon herbaceous plants. They are commonly found on grasses and sedges in pasture land, on the undergrowth in woodland, and are very common on clover and truck crops. A few of the most important economic species belong here. Key to Species. 1. Pronotum marked with two round black spots on disc or the pos- terior half, often very small, length exceeding 3.5mm. ......... 2 Spots on anterior half of pronotum usually close to anterior Margin, size smaller, 3mm. in length ...............+ sanguinolenta 2. Vertex marked with six black spots, and a pair of large round spots on the disc of pronotum; female segment roundingly em eMp ERAN Ay Ser es SO ae aia lai Sf aisierg 0.00 aleWelel alae oculata Vertex with few spots, pronotum with spots on posterior portion RACE ay NEE a ht RSE ae isk Catal 9 bg lial dale “Aai'm iene Vidi ose W's. Woy 3. Narrow, elytra narrow in proportion, usually with a dark median longitudinal line on the anterior two thirds of pronotum ........ 4 Broader, robust, almost 2mm. wide, dark almost unicolorous, Seer STE ANG OPOAG o)o/o5 Sak vb xs mabe ewes causes quadri-punctaia 60 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. 4. Last ventral segment of female broadly roundingly produced posteriorly, elytra almost unicolorous, vertex nearly parallel mareined, with two black spots, /7..0.5 5. -ss0 ase constricta Last ventral segment of female deeply emarginate, sutural margin of clavus light, vertex shorter at middle than next eyes, matked with. four black spots: ..700. 2. cae ne oe ee novella A. oculata Van Duzee. Ent. Amer., vi, p. 38, 1890. In size and general appearance resembling novella but with different markings and genitalia. Vertex with a median line, two large spots on disc and a pair of smaller ones next each eye, black. Pronotum with a pair of large round spots and a median line, black. A dark band across middle of elytra. Female last ventral segment slightly roundingly produced. Length 4.5 mm. This insect hibernates as an adult; the life cycle is not known. New Haven, 20 March, 1921 (B. H. W.). A. constricta Van Duzee. Can. Ent., xxiv, 90, 1894. Narrow, pale testaceous, a pair of spots on vertex and a pair on posterior margin of pronotum, black, elytra usually dark brown, nervures paler. Length 3.5-4 mm. There is only one brood a year, and the adults appear in the spring. This species is found very commonly in uncultivated fields in pastures close to rubbish and in woodlands where there are leaves and sheltered places for hibernation. It feeds on numerous grasses. New Haven, 18 May, 1916, 7 May, 1921 (B. H. W.). A. novella (Say). Macropsis nobilis Forbes. Jour. Acad. Nat. Sci. Phila., vi, 300, 1831. A narrow wedge-shaped brownish species with four black spots on anterior margin of vertex and elytral suture light. The vertex is longer next eyes than at middle. Length 3.75 mm. The species is single brooded passing the winter in the nymphal stage and becoming adult in midsummer. They feed on grasses and herbaceous plants and are abundant in fields and open woods. New Haven, 14 July, 1920 (B. H. W.); Cornwall, 5 June, North Bran- ford, 12 June, 1921, 16 June, 1922 (B. H. W.). A. quadri-punctata (Provancher). Ulopa canadensis Van Duzee. CHive:s 7 37) Nat. Can, tv, 3760, 1872. f A rather short, very robust form, elytra broad, brownish with pale nervures. Two black spots on vertex and two on posterior portion of pronotum. Length 4mm. é The adults appear in early spring and feed on a great variety of plants. They are commonly taken in fields, among weeds, in gardens, etc. One brood a year is known to occur. No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 61 New Haven, 31 Oct., 1903 (H. L. V.); 13 May, 1011, 10, 28 June, 14 July, 1920 (B. H. W.); 16 July, 1920, 9 May, 1921 (M. P. Z.); Branford, 21 July, 1920, Huntington, 9 July, 1920, Killingworth, 31 May, 1920, Orange, 22 June, 1920, North Branford, 30 May, 1920, 12 June, 1921, 16 June, 1922 (B. H. W.); Cornwall, 5 June, 1921 (B. H. W.); Colebrook, 19 June, 1920 (P. G.); Hamden, 28 May, 1920 (P. G.); 28 May, 1922 (B. H. W.). A. sanguinolenta (Provancher). Bythoscopus siccifoluus Uhler. Clover leafhopper. Nat. Can., iv, 376, 1872. A broad short Agallia with two large dark spots on vertex, pronotum without distinct markings and elytra brown with dark nervures, varying in color, often mottled. Basal angles of scutel- lum dark. Length 3 mm. The most common and important species economically of the. genus. It hibernates as an adult and can be found feeding very early in the spring. It is a pest of forage crops, especially abun- dant on clover and alfalfa, and seems able to exist under varied circumstances, whether meadows or dry sandy areas. New Haven, 4 Nov., 1903 (H. L. V.); 4 Aug., 109000, 26 June, 1910, 8, 27 July, 1920, 20 March, 21 May, 1921 (B. H. W.); Orange, 15 Sept., 1920; Branford, 28 July, 1920, 26 May, 1921 (B. H. W.); Milford, 26 ee roet Cb. HH. W.); Hamden, 1o Apr., 1921. (B. H. W.);. North Beagcocd, § Aug. 1922 (B. H. W.); North Haven, 4 Sept, 10920 (B. H. W.); Waterbury, 15 Oct., 1920 (B. H. W.); Cornwall, 18 July, root CB. El. W.). Idiocerus Lewis. This group may be characterized by the broad parallel margined head which exceeds the pronotum in width, and rounds to the front. Male antennae usually with disc-like swellings near the tip. Elytra exceeding the abdomen and with a distinct appendix. The species that are known at the present time feed upon trees: and shrubs both in nymphal and adult stages. Most of the species are confined to specific food plants belonging to Salix, Crataegus or Populus. The various species of willows especially harbor a variety of these forms. They usually hibernate as adults, and most of the species are two-brooded. Key to Species. 1. Vertex with two round black spots or a black band on the cE COSt IEE COU EVES 4. oc ou cleo bin sem sie.0 oc uiela- din ain's se nlace 5 Vertex without distinct round spots or bands ................... 2 2. Almost unicolorous, green or yellowish, rarely with dark markings 3 Elytra with a dark band along sutural margin, often interrupted RIE CS e SEMIS ay BV wiih ha elias n)scl'sme'g im hohe gosinie bo wie) vie suturalis NE SURGE AES SATIN, ca ache go nip) e a.ais ayer octie w ad spp ee ans Manse Smaller not over 4.75 mm., elytra yellowish or greenish hyaline nervatus 62 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. 4. Triangular anteapical cell formed by outer fork of first sector before it joins ‘costa, elytra, greenish, 0... .\/cnes eae pallidus No anteapical cell formed by outer fork of first sector. Elytra yellowish with iridescent, tinge. 4... diac .ts)cc 5 ee duzeei 5. Large robust species with a band on vertex between the eyes, sometimes broken into an irregular row of spots or blotches.... Smaller, two spots but no band present on vertex .............-. 6. Pronotum light with dark markings on anterior half, elytra sub- hyaline with dark nervures 2.2.60 2s). 30 c.8 4 aeee eee lachrymalis Pronotum darker without definite markings, elytra rather opaque with unicolorous or pale nervures).....))1. cee scurra 7. Spots on vertex small and about twice their diameter from the Sys ae Oe GO Spots on vertex large and slightly more than their diameter from PINE MOVED OW ral cleus MUGh ante nl Meee “solo tials oc ble ote 6 Scag) sen an II 8. Nervures of elytra usually alternating dark and white, without sutural stripe, pronotum and scutellum with markings ......... 10 Nervures of elytra not alternating in color, greenish with a dark stripe along suture; pronotum unmarked ........2 23 snowi 9. Male antennae without discs, color pale, a narrow brownish band across apex of clavus, and apices of elytra smoky ......... cognatus Male antennae with discs, without definite band across apex of CLA VUS. oie eee Maines wie bitdin lias ale dna ne e005 eer 10 10. Dark colored, face with six longitudinal stripes, length 5mm. .... alternatus Lighter, face pale without stripes, length 4.5mm. ........... verticis 11. Species pale with a pair of angular black spots on vertex, pro- notum and scutellum . 0/55 00S. weld ws bie bis be 2 are = ee crataegi Dark, fulvous with light markings, 0... ......\.../. es 2 cde See ee tripunctata K. bifida (Say). Tettigoma bifida Say. Tettigonia tenella Walker, CPL a (hie 7 Jour: Acad, Sei: Phila.) vi, 3%3)/ 7831. Vertex with two black and two white transverse bands, alternat- ing. Pronotum green with a black band bordered by a white one on anterior and posterior margins, disc green. FElytra green, veins broadly black, tips smoky. Face black. Length 5.5-6 mm. Common on grasses and low plants throughout the summer, an abundant species in swampy woods, pastures, meadows and along streams. It has also been taken on vines in wooded areas. Branford, 28 July, 1905 (H. L. V.) ; Stafford, 23 Aug., 1905 (W. E. B.) ; New Haven, 3 Oct., 1920, Portland, 25 July, 1920 (B. H. W.); Guilford, No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 717 24 July, 1921 (B. H. W.); North Haven, 6 Aug., 1922 (B. H. W.); New Canaan, 26 Aug., 1920 (B. H. W.); Cornwall, 18 July, 1921 (B. H. W.); Salisbury, 20 Aug., 1921 (P. G.). K. tripunctata (Fitch). Tettigonia tripunctata Fitch. Paga- ronia tripunctata Van Duzee. (PI. ii, 1.) momop. N. Y. St. Cab.,'55, 1851. Vertex rather long, conically pointed, white with three black spots, one at apex and one around either ocellus; reflexed arcs brownish. Two transverse lines on disc and posterior margin of pronotum, and elytral nervures brown. Length 5 mm. Occurs on Muhienbergia and allied grasses, especially in wooded areas during July, August and September. Mr. Van Duzee has placed this species under Pagaronia but it seems more closely allied with members of this genus. Lyme, 20 Aug., 1910 (B. H. W.) ; New Haven, 22 Sept., 1918 (D. M. D, fer. H. L.); 16 July, 1920 (B. H. W.); Bridgeport, 20 Sept., 1920; Cornwall, 22 Oct., 1920; East Haven, 21 July, 1920; Hamden, 24 July, 1920; Huntington, 9 July, 1920; North Branford, 13 July, 1920 (B. H. W.); Madison, 24 Sept. 1922 (B. H. W.); North Haven, 24 Sept., 1921 (B. H. W.). Helochara Fitch. Head wider than thorax, broader than long, obtusely angled, reflexed portion of front elevated. Scutellum very short, elytra coriaceous, veins distinct. Apical third of male antennae forming a flat plate. One species occurs in the United States. H. communis Fitch. Homop. N. Y. St. Cab., 56, 1851. Deep green, vertex and pronotum yellowish; robust, upper surface deeply and closely pitted, reflexed portions of front ele- vated on vertex. Posterior portion of pronotum convex, scutellum very small. Elytra greenish, heavily pitted, claval suture broadly dark green. Length 4-4.5 mm. A very common species occurring in swamps and moist places, feeding on grasses and sedges along lakes, streams and lagoons. Rockville, 24 Aug., 1905 (H. L. V.); Meriden, May, 1913 (H. L. J.); Guilford, 13 July, 1920; Wilton, 19 Oct., 1920; New Haven, 8, 13, 18, 27, 28 July, 1920, 25 March, 192: (B. H. W.); Cornwall, 28 Nov., 1918 moon C.)- 16 July, 1921 (B. H.. W.),; East Haven, 29 July, 10921 or. en...W .). Graphocephala Van Duzee. Diedrocephala Woodworth. Head narrower than pronotum, vertex flat, roundingly angulate. Pronotum strongly curved in front. Elytra long, coriaceous, venation obscured. G. coccinea (Foerster). Cicada coccinea Foerster. Tettigonia quadrivittata Say. Tettigonia picta Walker. Nov. Spec. Ins., 69, 1771. 78 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Vertex yellow to orange, black margined, pronotum reddish, pos- terior margin with a central tooth and one next either side greenish. Elytra red, costal and sutural margins, a broad stripe along claval suture, and another on disc almost to apex, green or bluish green. Length 8-9 mm. ) An abundant and widely distributed form occurring on a number of plants. Especially found on undergrowth in wooded areas. Blackberry apparently is a choice food plant. New Haven, 18, 27, 28 June, 1902 (E. J. S. M.); 6 Oct., 1902, 23 Oct., 1903, 4 July, 1905, 29 June, 1910 (B. H. W. and H. L. V.); 6 Aug., 1904 (P. L. B.); 3 July, 1913 (L..B. R.); 22 Sept, 3 Oct, 19200) nee Yalesville, 19 Oct. 1903 (H. L. V.); West Haven, 29 June, 10905 (W. E. B); Portland, 10 July, 1913 (A. E. Moss); Stonington, 2 July, 1914 (I. W. D.); Stratford, 1 Sept., 1920 (B. H. W.); Danbury, 29 Aug., 1920 (B. H. W.); North Branford, 6 July, 1921 (B. H. W.) ; North Haven, 6 Aug., 1922 (B. H. W.); Greenwich, 24 June, 1921 (W. E. B.) ; Westport, 24 June, 1921 (W. E. B.); Hamden, 12 July, 1922 (W. E. B.); Stratford, 1 Sent, 1920;'( By ie W.). G. coccinea var. teliformis (Walker). Tettigonia coccinea var. teliformis Walker. | List. Homop., iii, 764, 1851. Differs from preceding only slightly in coloration. Danbury, 29 Aug., 1920 (B. H. W.); Branford, 3, 24 Aug., 1904 (H. W. W.); Durham, to Aug., 1922 (M. P. Z.); Easton, 6 July, 1922 (M.-P. Z.); Hamden, 12 July, 1922 (W.. E..B.) j (eee eee (B. H. W.); Kent, ro Aug., 1918 (B. H. W.); Cornwall, 19 July, 1920 (K. F. C.) ; North Branford, 5 July, North Haven, 4 Sept., 1921 (B. H. W.). Draeculacephala Ball. Vertex usually long and angled, face as seen from side usually straight, front angled with the vertex. Elytra long, greenish, venation distinct, apical and anteapical cells reticulate veined. The members of this genus are found especially abundant in low swampy land, and feed upon coarse grasses and sedges. Key to Species. I. Vertex long, acute, in female decidedly acutely angled ........... 2 Vertex shorter, obtuse, slightly more than right angled ......... 2. Vertex one-half longer than pronotum, males usually light be- neath, length 7mm. of ‘more . 00.00/00. ses eee 3 Vertex as long as pronotum, male black beneath; length 6mm. minor 3. Vertex distinctly marked, pronotum with three distinct pale longi- tudinal lines, length’'7 mm (CPig. 5) 1) Sees eee eee mollipes Vertex poorly marked, pale longitudinal lines on pronotum want- ine, length ©-10'miM, ...).'...<.- cee tes poe eee oe eee angulifera 4. Anterior margin of pronotum with vermiculate dark markings, length 7mm sensed sds ibe de eee ie a ee ee inscripta Anterior margin of pronotum without vermiculate dark markings, vertex with dark markings, length 8mm. ........... noveboracensis D. angulifera (Walker). Tettigonia angulifera Walker. List. Homop., iii, 771, 1851. No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 719 Vertex slightly shorter than pronotum, broad, yellow with heavy black lines. Spots at apex, median line, lines next eye and reflexed arcs dark in color, Front quite strongly inflated. Length 9-10 mm. A common form on grasses, river bulrush, in the New England States. It usually is found feeding in low meadows or swamps in moist habitats. Stafford, 24 Aug., 1905 (W. E. B.). D. mollipes (Say). Tettigonia mollipes Say. Tettigonia antica Walker. 19 Elytra without markings in the form of ramose pigment lines .. 20 Ramose lines on elytra in the form of bands or saddle areas, pig- mentation of various :COlors) L's). one ee eer neater Eutettix, p. 122 Ramose lines on elytra not restricted to bands, often quite uni- formly inscribed, some shade of brown ........... Phlepsius, p. 125 Pronotum with sides short, usually with dark or bright markings Thamnotettix, p. 133 Pronotum with sides longer, usually a uniform green or greenish yellow, vertex broadly rounded or roundingly angulate ........ Chlorotettix, p. 138 Vertex angularly, conically produced, eyes small, quite remote. (Paes 10) 84s) Ai leew UG Sk Oe tee ntact eiece erie eee eer 22 Vertex’ broadly curved, parallel margirled, eyes large, close to- gether, almost as long as pronotum. (Fig. 10, 15.) ..Jassus, p. 141 Clypeus not tuberculate, elytra rather short and broad. (Fig. 10, DAL Wy aula eifelic ularss BEI sol i natant (eh cham nemiereenster aintane a vel Neocoelidia, p. 142 Clypeus strongly and conspicuously tuberculate, elytra longer and UAT TOWEL) access csi cossevernty eles ale leie nets) Cietebay oyeutlece Paracoelidea, p. 142 No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. gI 23. Head narrower than pronotum which is somewhat angularly pro- duced between the eyes. (Fig. 10, 11.) .......... Balclutha, p. 145 Head as wide as or wider than pronotum, anterior margin of which is well rounded and but slightly produced. (Fig. 10, 12 and 13.) 24 24. Head slightly produced, usually with definite color markings. (Fig. IN AR Bi WOR Re OST EHP) aE rN a Wet ne a nD CPP Cicadula, p. 142 Head very blunt, not produced, parallel margined, without definite or murkings, (CaS, 10,12.) oe, eed eel ca be Eugnathodus, p. 146 Dorydiella Baker. Head broader and longer than pronotum, anterior margin roundingly angulate, foliaceous and upturned, ocelli on margin close to eyes. Elytra long, with apices acutely angled. Four apical cells and two anteapical. Clavus with two longitudinal veins. Only one species is known to belong to this genus. D. floridana Baker. Can. Ent., xxix, 159, 1897. Large, yellowish with brown markings. Vertex long, broad and flat with margin foliaceous, upturned in front. Elytra long, apices acutely angled. Face somewhat irrorate, vertex with five dark spots on anterior edge. Pronotum longitudinally striate. Elytra with ramose pigment lines mostly longitudinal, apex with brown spot. Length 8mm. Although rather difficult to collect, it occurs in abundance during late August and early September at the margins of lagoons on the young Scleria-Eleocharis growth which follows the receding water- line as evaporation takes place. In general appearance and color markings this species resembles quite closely species of Phlepsius and the pointed elytra would suggest a relationship to Acinopterus. The head character, how- ever, is more closely allied to the Dorycephalus type and this is more pronounced in the nymphs than in the adults. It is, there- fore, given this relative position, since the nymphal characters are most important. Hecalus Stal. Glossocratus Fieber. Vertex longer than basal width and flattened, sharp and folia- ceous at margin. Pronotum very short and broad. Clavus of elytra with at least two veins. Elytra shorter than abdomen. H. lineatus (Uhler). Glossocratus lineatus Uhler. Glossocratus fenestratus (male) Uhler. (Fig. 9, 3a, b.) Bull. U. S. Geol. Geog. Surv. Terr., iii, 463, 1877. Greenish with very long thin flat vertex. Four longitudinal red stripes extending across vertex and pronotum and central two across scutellum. Elytra short in female, greatly exceeded by abdomen, nervures broadly reddish or yellowish, in male exceeded by black abdomen, and crossed by two broad black bands, one goa ae © 3 NS a eae 3a 8 12b 13b DM.& FT Del. Fic. 9. (1) Parabolocratus flavidus Signoret,—elytron. (2) Spangberg- tella mexicana Baker,—elytron. (3a) Hecalus lineatus Uhler,—head, lateral view; (3b) same, dorsal view. (4a) Parabolocratus viridis Uhler,—head, dorsal view; (4b) same, lateral view. (5) Scaphoideus wmmistus Say,— elytron. (6) Acinopterus acuminatus Van Duzee,—elytron. (7) Platy- metopius frontalis Van Duzee,—elytron. (8) FEugnathodus abdominalts Van Duzee,—elytron. (9) Balclutha impicta Van Duzee,—elytron. (10) Cicadula sexnotata Fallen,—elytron. (11a) Scaphoideus auronitens Pro- vancher,—head, dorsal view; (11b) same, lateral view. (12a) Eutettix johnsom Van Duzee,—head, dorsal view; (12b) same, lateral view. (13a) Platymetopius .cuprescens Osborn,—head, dorsal view; (13b) same, lateral view. All greatly enlarged. Drawing by D. M. and F. M. DeLong. No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 93 across middle and another covering apical and a part of anteapical cells. Length, male 7mm., female 9 mm. A rather rare form, occurring on sedges, around swamps and lagoons. Has been found in New York and Massachusetts. Spangbergiella Signoret. Head strongly produced before the eyes, flat, ocelli on sharp margin near eyes. Pronotum twice wider than long, elytra with four apical cells. Clavus with one vein. S. vulnerata (Uhler). Glossocratus vulnerata Uhler. Bull. U. S. Geol. Geog. Surv. Terr., iii, 464, 1877. Long and slender, green with two oblique red lines on vertex | and two on pronotum, and a median one on posterior portion of pronotum. Elytra with veins yellowish. Length, female 8 mm., male 5.5 mm. This southern form has worked northward along the coast and has been taken in New Jersey and New York, so may occur in Connecticut on low vegetation. Parabolocratus Fieber. Closely allied to two preceding genera, vertex roundingly pro- duced, flat and thin. Clavus with two veins, elytra with four short apical cells. These species are closely allied in structural characters and general appearance and are found in similar habitats usually in moist or swampy areas on rank grasses. Key to Species. 1. Rather small, 6mm., head flattened and well rounded, usually with Ovipositor conspicuous, extending just beyond elytra as viewed ememnn tarente) PUNE fre sr SE eee es ote h ye eB. ake oes viridis Larger, females 7.5-8mm. males 6mm., vertex more broadly rounded and margin drawn out into a thin edge, elytra shorter major P. viridis (Uhler). Glossocratus viridis Uhler. (Fig. 9, 4a, b.) Bull. U. S. Geol. Geog. Surv. Terr., iii, 462, 1877. Green or yellow unmarked, head broad, flat, well rounded before, elytra short not covering ovipositor, often brownish at apices. Length 6mm. A very common form in damp rank grassy places in early summer. Professor Osborn reports this species as feeding on Stipa spartea. It isa very abundant form often in moist pastures, in swamps and swamp meadows, on the coarse grasses and sedges. New Haven, 11 Aug., 19008 (B. H. W.); 22 Aug., 1920, 15 May, 1921 (B. H. W.); Cornwall, 5 June, 1921 (B. H. W.); North Haven, 6 Aug., 1022,(B. H. W.). 94 CONNECTICUT GEOL, AND NAT. HIST. SURVEY. [Bull. P. major Osborn. Me. Agr. Expt. Sta., Bull. 238, 110, 1915. Similar to viridis in form and color, but larger with vertex well rounded, margin drawn out to thin edge and elytra proportionately shorter. Length, male 6mm., female 8 mm. A northern form which should occur in same habitats and in company with wiridis. Described from specimens taken from Calamagrostis canadensis both in adult and nymphal stages. New Haven, 11 Aug., 1908 (B. H. W.); 22 Aug., 1920, 12 May, 1921 (B. H. W.); East Haven, 27 June, 1921 (M. P. Z.). Mesamia Ball. Paramesus Van Duzee. Vertex with anterior margin usually elevated and acutely angled with front, disc depressed. Elytra with second cross nervure present and central anteapical cell slightly constricted. Super- numerary veinlets along clavus and costa. Key to Species. 1. Elytra whitish marked with a dark saddle between the cross MEL VUPES ic) oi icsale See acters 8 sl oiwcaue gikeveas oe ee ie oe nigridorsum Elytra’ fulvous with, milky white areas)..0. . 0d: /42 ase vitellina M. nigridorsum Ball. Paramesus twiningi Van Duzee. Parame- sus jucundus Gillette and Baker. (PI. iii, 8.) Proc) Day: Acad. Seti) G0; 1607, Ivory white, vertex with disc brown, a black spot either side of median line anteriorly. Pronotum brown, an irregular row of spots behind anterior margin, face black, elytra milky white. Saddle on posterior two-thirds of clavus black, a band on basal and apical portions and nervures, brown. Length 4.5 mm. Reported as feeding on Helianthus, a common and widely dis- tributed species perhaps extending as far north as Connecticut. M. vitellina (Fitch). wien ie ato fulvidorsum Vertex often thick but flattened near apex, appearing pressed in above and below, vertex and pronotum pale in color heavily and irregularly mottled with brown. Elytra banded .......... tullahomi aT hh No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 127 14. Entire dorsal surface rather evenly and thickly irrorate with small round black dots. A broad black band on base of face........ atropunctatus n. sp. Dorsal surface marked with brownish ramose pigment lines...... IS 15. Vertex thin at margin, not foliaceous and only moderately pro- duced. Vertex sloping, not concave. (Fig. 12, 3b.) ........... 16 Vertex thin and foliaceous, strongly produced, margin slightly up- eee eerie a (SUANT CONCAVICY wea ws ae nee eee seas ramosus 16. Length 8-8.5mm. Elytra distinctly narrowed apically ..... nebulosus Length 7-7.5mm. Elytra slightly narrowed apically ...... solidaginis P. majestus Osborn and Ball. Proc. Ia. Acad. Sci., iv, 229, 1897. Very large and broad, resembling a Gypona, chestnut-brown. Head narrow, very slightly produced, a dark band between the eyes, often interrupted, and two spots before it and above apex, black. Anterior portion of pronotum with dark vermiculate markings. Elytra heavily inscribed with brown pigment lines. Length g-I10 mm. 7 Lives on tall grasses in thickets or rather densely shaded areas, and is a species difficult to capture because of its quick movements. Lyme, 20 Aug., 1910; New Canaan, 14 Sept., 1911, Hamden, 6 Aug., 1922 (B.H. W:). P. excultus (Uhler). Jassus excultus Uhler. Bull. U. S. Geol. Geog. Surv. Terr., iii, 467, 1877. A narrow-headed form with vertex, pronotum and scutellum yellowish, a pair of small brown spots at base of vertex, and a pair of curved spots behind them on pronotum just back of margin. Elytra very closely inscribed with dark brown. Three lighter areas along suture indicating a trilobate spot. Female segment broadly roundingly excavated at center. Length 7 mm. On grasses usually in open fields. Primarily a southern form, but may occur in restricted northern areas. P. decorus Osborn and Ball. (Fig. 12, 1.) Proc. Ia. Acad. Sci., iv, 230, 1897. A very short, broad, narrow-headed species. Vertex with two rather indefinite dark areas at tip and posterior half brownish. The elytra along scutellum and three spots along suture pale. Elytra not closely inscribed and with several pale areas, especially along costa. Length 6mm. On grasses, usually in wooded areas. A rather common but not abundant species throughout New England, May, June, July and September. P. incisus Van Duzee. Trans. Am. Ent. Soc., xix, 73, 1892. Elytra brown, vertex, pronotum and scutellum yellow, mottled with brown. Vertex a little longer on middle than next eye. Female segment roundingly triangulate with a rather broad deep notch at middle of hind margin. Length 6-6.5 mm. 128 CONNECTICUT GEOL. AND NAT. ‘HIST. SURVEY. [ Bull. A common pasture form on grasses during July and August in shaded areas, or in open woods. Often taken with irroratus which it resembles superficially. Scotland, 17 at Hartford, 9 Aug., 1904 (B. H. W.); Cornwall, 17 . July, 1922 (B. H a a P. fuscipennis Van Duzee. (Fig. 12, 2a, b.) Trans. Am. Ent. Soc., xix, 70, 1892. Vertex short, blunt, rounded in front without sharp edge. Pro- notum strongly wrinkled. Male darker in color. Fulvous brown, elytra closely inscribed with fine brown lines. In female clouded with fulvous brown, a rather indefinite pale saddle on suture. Length 6-7 mm. In great abundance in marshy areas on Juncus-Eleocharis especially during August and September. Branford, 28 June, 19005 (H. W. W. yi ; Stratford, 21 July, 1908 CB. Ww. ) ; ; Westport, 24 June, 1921 (W. E. B.). P. collitus Ball. Can: Ent... xxxy, 227, 1003. Vertex, pronotum and scutellum yellow, elytra brown with con- spicuous irregular white areas. Vertex slightly angled, female segment deeply excavated either side of a prominent median tooth which is incised at center. Length 5-6 mm. A common form occurring in open field and wooded areas on grasses during July, August and September. Thompson, 11 July, 19006 (H. L. V.); New Haven, 21 Aug., 1909 (A. I. B.) ; 22 Sept., 1918 (D. M. D.) ; 8 July, 1920 (B. H. W.) ; Cromwell, 30 Aug., 1920 (B. BL W.);° Cornwall's June; 1921- (Boe W.); Hamden, 20 Aug., 1922 (B. H. W.); New Haven, 16 July, 1920 (MM) PAZ: P. irroratus (Say). Jassus irroratus Say. Jassus testudinarius Burmeister. Irrorate Leafhopper. (Fig. 10, 5.) Jour. Acad. Nat. Sci. Phila., vi, 308, 1831. A common small slender species, almost uniformly inscribed and irrorate with brown. Vertex angled, elytra long, narrowed pos- teriorly. Female segment squarely abruptly excavated with a broad median tooth. Length 5.5-6.5 mm. In abundance over large areas occurring on many types of vege- tation, and under various conditions, but especially found on grasses in pastures and meadows. New Haven, ri June, 1902. (E.. J: S. M.) 3 3° Och erecenG Sw, 16 Oct., 1903 (H. L a 27 June, 1908 (W. E, b. ine 12, i, 26 June, 1912; 8, 9 July, 1912 (at light) 4, II, 14, 16, 29 July, 1920 (B. H W.); Yales- ville, 19 Oct.; ‘To03.( HL Vise New Canaan, 14 Sept., 1906 (W."E. Be) 3 3 Sept., 1920 (Be. W. )}; East Haven, 21 July, 19020" (Bbw, Hamden, 18. July, 1920. .(B. Hj.W.)% Guilford, 13 July, 1920: /.B., Be W.); East Hartford, 16 Sept., 1920, Cornwall, 22 Oct., 1920, Bridgeport, 20 Sept., 1920 (B. H. W.); Milford, 13 June, 1921 (B. H.W. ); North Branford, 25 June, 1922 (B. H. W.) ; North Haven, 4 Sept., 1921 (B. H. W.); Norwalk, 8 Sept., 1920 (B. H. W.); Waterbury, 15 Oct., 1920 (B. H. W.); Plain- ville, 2 Sept., 1921 (B. H. W.). No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 129 P. truncatus Van Duzee. Trans. Amer. Ent. Soc., xix, 72, 1892. Resembling trroratus in size and coloration. Vertex bluntly angled, one-fifth longer on middle than next eye. Color pale fulvus irrorate with brown, some white spots on posterior margin; elytra white very closely and finely reticulated causing a dark brown appearance. Female last ventral segment twice as long as preceding, truncated posteriorly, angles rounded. Male valve: short, truncated, plates narrow, tips more obtuse than in irroratus. Length 5.5 to 6mm. This species is a grass feeder and has been taken with irroratus which it so closely resembles. The genital characters of both sexes will readily separate it. Guilford, 26 July, 1920 (M. P. Z.). P. pusillus Baker. Ent. News, ix, 66, 1808. Closely resembling and related to altus but slightly smaller, and with different genital characters. Short and robust, vertex obtusely angled. Pronotum very broad and short, elytra short. Color pale fulvous with darker markings, vertex and pronotum irregularly irrorate, elytra finely irrorate with brown. Female last ventral segment almost truncate, lateral lobes only slightly produced and broadly rounded, slightly concave either side of a median V-shaped notch. Male valve triangularly produced, plates broad at base gradually narrowed to rather blunt, incurved apices. Specimens have been examined from other Atlantic coast locali- ties and it seems to be eastern and southern in its distribution. The species occurs on short grasses. New Haven, 31 July, 1920 (B. H. W.); 22 Sept., 1920 (B. H. W.). P. lobatus Osborn. Proc. Ia. Acad. Sci., v, 247, 1808. Small, vertex obtusely angled, slightly produced. Pale brown in color, not closely inscribed on elytra. Female segment with marginal lobes, and a convex posterior border between them minutely notched at center. Length 5.5-5.75 mm. Usually found in sandy or dry areas on short grasses during August. Branford, 28 June, 1905 (H. W. W.). P. apertus Van Duzee. Trans. Am. Ent. Soc., xix, 76, 1892. Vertex with obtusely angled apex. Elytra irregularly banded, often a cloud at base, a fulvous band across middle and another across anteapical areoles. Head and pronotum tinged with ful- vous. Female segment squarely, deeply excavated almost to base. Length 6.5 mm. A northern form occurring throughout New England in pastures and moist areas during August and September. 5 130 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. {Bull. P. tullahomi DeLong. Tenn: St. Bd. Ent, Bull, 17,°73, 1976! A banded species, closely related to francontanus but with a sharp-edged vertex, usually angularly produced as viewed from above. Vertex somewhat variable in length, from one-fourth to two-fifths as long at middle as width between the eyes. Face, vertex and pronotum pale, irregularly mottled with brownish. Elytra pale, the anterior half rather sparsely and the posterior half rather heavily inscribed with fine brownish lines and dots, giving the appearance of a pale anterior and a dark posterior portion. The coloration on posterior portion often broken into a more or less distinct narrow anterior, and.a broader posterior, band. Female last ventral segment almost twice as long as preceding; lateral angles prominent, posterior margin shallowly concavely rounded to two rather blunt, produced teeth at the middle between which is a shallow concave notch. Male valve triangular, as long as, and as wide at base as, last ventral segment, almost twice as wide as long. Plates twice longer than valve, rather narrow at base and gradually narrowed to very acutely pointed tips. These structures were incorrectly figured by the author in the Tennessee bulletin and the female has not previously been described. The group of banded Phlepsius species is somewhat confusing but recent study has seemed to prove the specific rank of this form. It is a meadow species and can easily be separated from fran- conianus which lives on pine. New Haven, 7 July, 1920 (B. H. W.); Windsor, 27 Sept., 1922 (P. G.). P. fulvidorsum (Fitch). Jassus fulvidorsum Fitch. (PI. II, 6.) Hemop...N...¥ «St. Cab:, 62; 1857. Resembling collitus but larger, vertex more angulate and elytra without white areas. Vertex well angled, edge sharp. Vertex, pronotum and scutellum yellow, elytra appearing dark brown, closely and heavily inscribed with pigment lines. Female segment broadly and deeply excavated, then slightly produced at middle and incised. Length 6-7 mm. Rather abundant on short grasses and other low plants in dry and well shaded areas. This apparently is its optimum habitat. New Haven, 17 July, 1908, 1, 22 Aug., 1920 (B. H. W.); Lyme, 20 Aug., 1910 (B. H. W.). P. nebulosus Van Duzee. Trans. Am, Ent. Soc.,.xix, 77, 1802. Large, robust, vertex scarcely angled almost rounded, edge thin. Vertex and pronotum rather evenly irrorate with fulvous brown. Elytra rather closely and evenly inscribed, often with fulvous markings appearing in form of bands. Female segment broadly, shallowly excavated, slightly notched at middle. Length 8.5 mm. No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 131 Not abundant, usually taken from low grasses on dry or sandy areas. | Short Beach, 14 July, 1904; New Haven, 9 July, 1912 (B. H. W.). P. solidaginis (Walker). East Haven, 21 July, roz0 (B. H. W.); Danbury, 29 Aug., 1920 (B. H. W.); Branford, 21 July, 1920 (B. H. W.); Cornwall, 18 July, 1921 (B. H. W.); Guilford, 24 July, 1921 (B. H. W.); North Branford, 5 July, 1921 (B. H. W.); North Haven, 6 Aug., 1922 ot TW). C. spatulatus Osborn and Ball. Proc, 4a; Acad. Sci., iv, 225, 1807. In general appearance resembling unicolor but usually a more yellowish green, uniformly colored and without markings. Head well rounded before. Female segment deeply excavated, bearing a long spatulate process at the apex. Length 7 mm. Often found in company with unicolor, in grassy pastures and meadows. It resembles so closely in size and color this species that they are easily confused in the field. New Haven, 23 July, 1921 (B. H. W.); North Haven, 4 Sept., 1921 (B. H. W.). 140 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull C. tergatus (Fitch). Bythoscopus tergatus Fitch. Homop: NY. Sé ab.056,. ge5e. Size and form of umicolor but with a dark sordid green color, elytra smoky. Head broadly rounded on anterior margin. Female segment with a broad V-shaped notch extending half way to the base, lateral lobes rounded. Length 7 mm. Common on grasses in moist areas during July, August and September. Salisbury, 30 Aug. 1904 (W. E. B.); Cornwall, 10 Aug. 1018 (B. H. W.); Kent, 10 Aug., 1918 (M. P. Z.) ; New Haven, 22 Sept., 1918 (F. H. L.); 16, 27 July, 3 Aug., 1920 (B. H. W.) ; Durham, to Aug., 1022 (M. P. Z.); East Hartford, 13 Aug., 1906 (B. H. W.); North Haven, 4 Sept., 1921 (B. H. W.); also from Branford without specific date. C. viridius Van Duzee. Psyche, vi, 309, 1802. With rounded vertex, but smaller than allied round-headed species, and with a uniform apple-green color. Female segment broadly excavated almost to base, each side of incisure bearing a short obtuse tooth at middle. Male plates triangular and trans- verse. Length 6-7 mm. A common pasture species throughout the southern states and often occurs in small numbers in the north. Guilford, 24 July, 1921 (B. H. W.) ; Madison, 24 Sept., 1922 (B. H. W.); Milford (George Dimmock). C. galbanatus Van Duzee. Psyche, vi, 310, 1892. Yellowish green with obtusely angled vertex, a half longer at middle than next the eyes. Female segment long, a rather broad lingulate incisure reaches nearly to base forming a broad, rounded lobe either side. Length 6-6.5 mm. A common pasture and meadow species throughout New Eng- land, June to September. West Haven, 27 June, New Haven, 4 July, 1905 (H. L. V.); 27 June, 1908 (W. E. B.);, 22. Sept., 1918 (F. H. L.); 31 July, Smee, 1920 (B. H. W.); New Canaan, 22 Sept., 1910 (W. E. B.); Bridgeport, 20 Sept., 1920 (B. H. W.); Guilford, 13 July, 1920 (B. H. W.); North Branford, 13 July, 1920 (B. H. W.) ; Hamden, 5 July, 1920 (P. G.); Marl- borough, 15 July, 1922 (B. H. W.) ; North Haven, 4 Sept., 1921 (B. H. W.) ; Windham, 3 Aug., 1922 (B. H. W.). C. balli Osborn. Proc. Ia. Acad. Sci., v, 246, 1808. Easily distinguished from all others by the obtusely angled head and the female spatulate process. Vertex one-half longer on middle than next eyes. Uniform yellowish green without mark- ings. Female segment notched and bearing a spatulate process. Length 7-7.25 mm. Usually occurs in more abundance in sheltered areas on grasses, but has frequently been taken in open fields. Winnipauk, 4 Aug., 1908 (C. W. J.). No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 141 C. lusorius (Osborn and Ball). Proc. Ia. Acad. Sci., iv, 226, 1897. Vertex one-half longer on middle than at eyes. Olive-brown with a faint crescentiform band between eyes. Brownish tinged with red, especially on elytra. Female segment emarginate pos- teriorly, with a broad, angular, dark-margined median tooth half as long as acutely rounding lateral angles. Length 7-8 mm. Found on coarse grasses during July and August, but always in open woods or sheltered areas. From collecting observations it seems to be a woodland species. New Haven, 30 July, 1909 (B. H. W.); 22 Sept, 1918 (D. M. D.); 20 July, 1920 (B. H. W.); New Canaan, 3 Sept. 1920 (B. H. W.); North Banford, 13 July, 1920 (B. H. W.); Portland, 25 Aug., 1920 (B. H. W); Cornwall, 1o Aug., 1918 (B. H. W.); Hamden, 25 Sept., 1921 (B. H. W.) ; North Haven, 6 Aug., 1922 (B. H. W.). C. nudatus Ball. Can. Ent., 32, 340, 1900. A large species of the genus with vertex twice longer on middle than next the eyes. Pale green with some brownish areas on pronotum, scutellum and elytra. Female last ventral segment with posterior border dark margined, a notch at center and a shallow emargination either side divides the segment into four lobes. Lateral angles prominent. Male valve narrow, roundingly angu- late; plates broad at base, three times the length of the valve, gradually narrowed to acute, slightly produced tips. A grass-feeding species with a southern distribution. The collecting of this species in Connecticut establishes a very intcrest- ing and unique record. It is apparently distributed along the Atlantic cvastal area. Windham, 3 Aug., 1922 (B. H. W.). Jassus Fabricius. Coelidia Germar. Deridna Walker. Head narrower than pronotum, vertex broadly curved, quadrate, rounding to front. Pronotum very short, emarginate posteriorly, scutellum large, triangular, very wide at base. Apex of elytra broadly rounded. J. olitorius Say. (Fig. Io, 8 and 15.) Jour. Acad. Nat. Sci., Phila., vi, 310, 1831. Head blunt and rounded, vertex yellow, pronotum brownish, a dark stripe on either side of a median pale stripe. Basal angles of. scutellum and two spots on disc black. Elytra brown, a pale band before middle of clavus and one across apex of anteapical cells. Male with pronotum, scutellum and elytra darker than in female. Length, male 6mm., female 7.5 mm. 142 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. A shrub-feeding species often collected from sassafras during July, August and September. New Haven, 5 Aug., 1904; 21 Aug., 1906; 28 Aug., 1908 (B. H. W.); 30 Aug., 1909, 7 Sept., 1910 (W. E. B.); 3 Aug., 1909 (A. I. B.); 28 Aug, 1913 (L. B. R.); 5 Aug., 1920 (B. H. W.); East Hartford, 13 Aug., 1906 (B. H. W.); Westville, 9 Sept., 1907 (W. E. B.);. Lyme, 20 Aug., 1910 (B. H. W.); Wallingford, 27 Aug., 1910 (D. J. C.); Hartford, 16 Aug., 1911, Stamford, 16 Aug, 1912 (W. E. B.); Portland, 12 Aug., 1913 (B. H. W.); New Canaan, 3 Sept., 1920 (B. H. W.); Cornwall, 23 Aug., 1920 (K. F. C.); Hamden, 6 Aug., 1922 (B. H. W.); Kent, 10 Aug., 1918 (B. H. W.); North Branford, 1 Aug., 1922 (B. H. W.); North Haven, 6 Aug. (B: HH. 'W?). Neocoelidia Gillette and Baker. Short and robust, head narrower than pronotum, short, rather bluntly conical. Pronotum short and broad, scutellum large. Elytra broad with four apical cells, appendix wanting, first sector branched once on apical two-thirds. N. tumidifrons Gillette and Baker. (Fig. Io, 14.) Hemip. Col., 104, 1895. Robust, uniformly pale yellowish or greenish, often tinged with orange. Basal angles of scutellum usually with black spots. Length 3.5-4.5 mm. Lives in pastures and grassy areas where it is swampy or very moist during June, July and August. . North Branford, 12 June, 1921, 16 June, 1922 (B. H. W.). Paracoelidea Baker. With about the same characters as found in the preceding genus, but the clypeus here is tuberculate and the wings are long as in Thamnotettix. One species has been described in this genus. P. tuberculata Baker. Can. Ent., xxx, 292, 1808. Vertex produced and subacute, yellowish, elytra subhyaline with internal margin and apex slightly infuscated. Female segment truncated. Male valves long, tapering, plates obtuse at tips. Length 5 mm. Common on pine in New England. Massachusetts is cited as a type locality, and since it occurs on Long Island and in New Jersey will undoubtedly be found on pines at intervening points. Cicadula Zetterstedt. Macrosteles Fieber. Thamnus Fieber. Limotettix Sahlberg. Vertex slightly obtusely angled or rounded at apex, longer on middle than next eyes and rounding to front. Elytra exceeding No. 34.| HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 143 abdomen, with distinct appendix, outer branch of first sector usually wanting. Most of the species which belong here have two broods with perhaps a partial third. With the exception of one or two which are shrub-feeders, they apparently feed almost exclusively on herbaceous plants. A few are common on Juncus, one or two feed on Impatiens and others apparently live on grasses and sedges and seem to prefer moist habitats. Key to Species. 1. Small, less than 5mm. in length, usually with several markings on en EO aN. eral sak aan ie ive GRR wy Assns ob BUR eye Bia Ae eG 4e AR era eines Larger, more than 5mm. in length, vertex with two large black spots close to margin, a pair in basal angles of scutellum, elytra mnaly with a Striped Appearance apes 4. sales shania de ase ove punctifrons IEMICSIANETACS SIZE A-5 WHET, c's ata Gina san edcwine wsiecinc daa smeesa aes 3 Peerreserasniire 1655. tate 3 MIN. os ee ee ne cee wk dln gs meee ees NSS 3. Vertex with four or six black marks on or above margin ......... 4 Vertex with only two round black spots located just above margin, usually an arcuate band on pronotum, parallel to and just back of a Me Bc pe hs Yh oP seventh alee nl air = a) aieyalyo e hah nih i arcuata 4. Vertex with two round black spots on margin and two round spots Eee ETA oe, isla Se WEE Atoll Stila Ate aha eieabmaaere 5 Vertex with six marks in pairs, usually a pair of transverse spots or dashes on margin, a pair just above margin, and a pair of pmnUNON Ms CAT SASE: 12 We eo nS IU nls che ote hw Lie vials miele co's sex—notata 5. With only four spots on vertex, elytra extremely variable in color- ation, usually with dark blotches. (Fig. 10, 10 and 13.) ..... variata With four spots and an additional small one on the margin next ME eM reso cic Ps Gis Pals GY oui d. ai knot sialz a oaks Beck ER alone clea lepida 6. Vertex yellow with six or more spots often partially fused. A pair of black spots in angles of scutellum, elytra mottled ........ slossoni Vertex dark fuscous with yellow markings, scutellum dark on disc, eR MNERE ENE M BO cor 12. 6 gic; jane waists, whe © 2 whine oreo cio ake wink wee potoria C. punctifrons (Fallen). Cicada punctifrons Fallen. Hemip. Suec. Cicad., 42, 1826. Larger than the other species, pale greenish yellow with two large black spots on vertex just back of margin, nearer to eyes than median line. Tips of elytra slightly infuscated. Often swept from willows on which it no doubt feeds. Common from June to September. Length 6mm. C. punctifrons var. repleta Fieber. C. punctifrons var. americana Van Duzee. Revue d’Ent., iv, 49, 1885. As in preceding but with more coloration. Face and disc of pronotum infuscated, basal angles of pronotum each with a large black spot. Inner half of elytra dark with pale veins, giving it an obliquely striped appearance. Length 5.5-6 mm. C. variata (Fallen). Cicada variata Fallen. Jassus fumatus Herrich-Schaeffer. (Fig. 10, 10 and 13.) Acta Holm, xxvii, 34, 1806. 144 . CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Head produced but with apex rounded and varying extremely in color. Always with four black spots on vertex, two large ones on margin and two usually smaller behind on disc, one either side of median line. Pronotum and elytra usually mottled but varying to a uniform black in extreme cases. Scutellum yellow, basal angles black. Length 4 mm. A common and abundant species occurring on Impatiens in moist habitats throughout the summer. Bridgeport, 20 Sept., 1920 (B. H. W.), on Impatiens; New Haven, 22 Aug., 1920 (B. H. W.) ; North Haven, 4 Sept., 1921 (B. H. W.) ; Cornwall, 18 July, 1921 °(B.. W.): C. lepida Van Duzee. Can. Ent., xxvi, 139, 1894. Resembling variata with two black spots on margin and two on disc of vertex, but with an additional spot next either eye on margin. Elytra usually greenish or slightly mottled. Length 3.5-4 mm. Often found with the preceding on Impatiens in very moist, usually wooded areas, where this plant is found in abundance, June to September. New Haven, 3 Oct., 1920 (B. H. W.); Bridgeport, 20 Sept., 1920 (B. H. W.), on Impatiens; Orange, 17 July, 1920 (B. H. W.); Hamden, 6 Aug., 1922 (B. H. W.);. Fairfield, 26 Aug., 1920 (B. Hi) Woe Mest Haven, 4 Sept., 1921 (B. H. W.) ; North Branford, 2 June, 1921 (B. H. W.). C. arcuata Gillette and Baker. Hemip. Col., 105, 1895. Vertex produced and rounded at apex, yellowish, two large black spots above margin nearer eyes than apex. Pronotum with an arcuate, black line nearly parallel to anterior margin. Elytra pale greenish hyaline, nervures yellow. Length 4.5-4.75 mm. Feeds on herbaceous vegetation. No definite food plant is known apparently. It is doubtful whether this species occurs in New England, but is reported for New York. C. sexnotata (Fallen). Cicada sexnotata Fallen. C. quadrs lineata Forbes. (Fig. 9, 10.) Acta Holm, xxvii, 34, 1906. Vertex produced but rounded at apex, always marked with six more or less distinct black spots. A pair of transverse ones on margin, another pair transverse above these and between eyes, and a pair of small round ones near base. Basal angles of scutellum often marked with black. Elytra green, smoky at apices, venation paler. Length 4mm. A cosmopolitan feeder taken usually on herbaceous plants and common on grasses in pastures and meadows throughout the summer. It is often a pest on cultivated grasses and truck crops. New Haven, 16, 10, 21 Oct., 9 Nov., 1003 (H. L. V.); 6 Juseitme (B. H. W.); 10, 14 June, 7, 20, 29 July, 22 Sept., 3 Oct., 1920 (Bi ie Cromwell, 27 Aug., 1920 (B. H. W.) ; Branford, 20 July, 1905 (H. W. W.); No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 145 a1 July, 1920 (B. H. W.); East River, 10 July, 1909 (C. R. E.); Yalesville, 19 Oct., 1903 (H. L. V.) ; Bridgeport, 20 Sept., 1920 (B. H. W.) ; Hamden, 20 June, 1920 (B. H. W.); New Canaan, 3 Sept., 1920 (B. H. W.); Stratford, 9 July, 1920 (B. H. W.) ; Waterbury, 15 Oct., 1920 (B. H. W.); Madison, 24 Sept., 1922 (B. H. W.); Orange, 2 June, 1920 (W. E. B.); oe i ww 24 Sept, 1921 (B. H. W.); Plainville, 2 Sept., 10921 C. slossoni Van Duzee. Can. Ent., xxv, 281, 1893. A small robust species with blunt head. Arcs on front, a pair of transverse spots at margin and two pairs irregular in shape above these, black. These are often fused on vertex, causing an almost black coloration. Scutellum with disc and basal angles marked with black. Elytra mottled. Length 2.5-3 mm. Common on Juncus in wet pastures, but apparently occurs only in this habitat. New Haven, 20 Aug., 1920 (B. H. W.); North Branford, 12 June, 1921 fe. H..W.). C. potoria Ball. Can. Ent., xxxii, 346, 1900. Vertex nearly right-angled, apex conical, dark fuscous, the margins a median line and two dashes on either side, yellow. Pronotum and scutellum fuscous, yellow-margined, elytra long milky subhyaline sometimes mottled. Length 2.2-2.5 mm. A swamp or wet pasture species feeding on Juncus and Eleo- charts and always found in a restricted habitat. Balclutha Kirkaldy. Elongate, slender, vertex very short, almost parallel margined, obtuse and rounded before. Head not wider than pronotum, usually narrower and pronotum strongly produced and rounded forward from humeral angles, concave posteriorly. Elytra greatly exceeding abdomen with a well-defined appendix, and the outer branch of the first sector wanting. Key to Species. 1. Elytra without markings, colored some shade of green or yellow 2 Elytra marked with black spots or irregular blotches ........ punctata medveccvnricne green. Length 4 mim. . 6.62. cece beet eees osborni Smaller, 3.5mm. in length, dull or pale green, often with elytra ME Peres a a a ehh bra 5 chal ba ep pus! iol a ahey eile «wets impicta B. punctata (Thunberg). Cicada punctata Thunberg. LEupteryx clypeata Curtis. Cicadula spreta Zetterstedt. Typhlocyba rosea Provancher. Typhlocyba jacosa Provancher. Acta Upsala, iv, 21, 1782. Vertex obtusely produced in front, dull green, yellow or tinted with red. Vertex, pronotum and scutellum often marked with black or fuscous in the form of longitudinal lines. Elytra with black spots arranged in two oblique bands. Length 3.5-4 mm. 146 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. Very common on herbaceous vegetation in pastures, meadows and undergrowth in woodland areas. New Haven, 16 Oct., 1903 (H..L: Vi)e42 ee 1911 (BB... Waa Sept., 1918 (D. MoD. ); ; 20 May, 1920 (B. H W.); Yalesville, 19 Oct., 1903, €B. iL. ve Bridgeport, 20 Sept., 1920 (B. H. W.); Hamden, 20 June, 1920 (B. H. W.); Huntington, 9 July, 1920 (B. H. W.); Killing- worth, 31 May, 1920 (B. H. W.); North Branford, 30 May, 1920 (B. H. W.); Cornwall, 5 June, 1921 (B. H.W.) Milford, 2 May, 1921 (BAW. Plainville, 2 Sept., 10217 (5B. A Wee B. osborni Van Duzee. Guathodus viridis Osborn. Check List Hemip., 75, 1916; N.Y. St.-Ent, xx, 545) 2605 A moderately large green species resembling closely green speci- mens of punctatus but without dark markings. Vertex a little pro- duced and obtuse. Deep green, vertex and scutellum often yellowish, elytra pale hyaline, nervures dark green to clavus, apex smoky. Length 3.5-4 mm. Common on grasses in pastures and meadows. Apparently prefers moist areas. New Haven, 18, 29, 31 July, 1920 (B. H. W.); Hamden, 6 Aug., 1922 (Br WwW). B. impicta (Van Duzee). Gnathodus impictus Van Duzee. CHING Oo hie, 40, es) Can. Ent., xxiv, 113, 1802. Dull green to gray, often with a smoky tint. Head and prono- tum usually tinted with green or fuscous, elytra whitish or smoky, subhyaline, nervures indistinct. Head very blunt and rounded, narrower than pronotum. Length 3.5 mm. Common in pastures and meadows throughout the summer and occurs abundantly in New England. Reported from Connecticut without specific data. Eugnathodus Baker. Vertex not produced, almost transverse and parallel margined, wider than pronotum which is truncated or slightly convex pos- teriorly and broadly gently curved in front. Elytra with appendix distinct, and outer branch of first sector wanting. E. abdominalis (Van Duzee). Gnathodus abdominalis Van Duzee, » (Rig TO;.12:,) Can ent: xiv, 113, 1802. Vertex rounded, parallel margined, scarcely produced before eyes. Greenish white, pronotum and scutellum often tinged with fuscous or marked with longitudinal lines. Elytra whitish, sub- hyaline often smoky at apex. Length 3 mm. A pasture and meadow form, sometimes swept from shrubs. Common and abundant over large areas and easily confused with the Typhlocybim because of its fragile character. Hamden, 23 Oct., 1921 (B. H. W.); North Haven, 24 Sept., 1921 (B.A W,): No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 147 Tribe TYPHLOCYBINI. Eupteryginae. The chief characters which separate this group are used in the preceding key. The frequent absence of the ocelli and the un- branched condition of the sectors which extends to the apical cells before dividing or giving off cross nervures, so that no anteapical cells are formed, are characteristic of the following species. Although this group is composed of the smallest and most fragile of the entire family, it contains some of greatest economic impor- tance which are known for their damage from coast to coast. Key to Genera. 1. Posterior wings with sectors ending in a marginal vein. (Fig. 14, NN Hesse caked lc sieinua de mat LAAs einai cee he aim Gel re 2 Posterior wings without marginal vein, sectors extending to wing eM ETS ME SC OO 71D, You. Sige m Glan a ninpere 8 oa aca ahaa maim bb.b miele 4 2. Elytra with well-defined appendix. (Fig. 14, Ic.) ..... Alebra, p. 147 Meena mitiout appendix. (Pig: 14,°3c, AD) oes ecek ceca cwece teas 3 3. Posterior wing with two apical cells. (Fig. 14, 3b.) Dikraneura, p. 148 Posterior wing with one apical cell. (Fig. 14, 4a.) Empoasca, p. 151 4. First two sectors of posterior wing uniting so that only three veins Peeeswmine marcm.. (Pig, 14, Ob, 7D.) soe. 5 fase ee wae 5 Posterior wing with all four sectors ending in the wing margins. RE SY frat e ort. 2.5 Vay fig has tres! shales ola Bia, + whe Hd Typhlocyba, p. 155 5. Elytra with outer sector not uniting in any part with middle sector; a common cross vein between them forming base of oblong apical EEE EE BAO oF. SB Be iene, ore lewis eevee Erythroneura, p. 159 Elytra with outer and middle sectors uniting for a short distance, posterior to cross veins, thus forming a triangular apical cell. NN UR he saitinhinn since a8 rote an 8 ae es Empoa, p. 157 Alebra Fieber. Characterized by the blunt feebly curved, parallel-margined head, which is narrower than pronotum, the elytra with a distinct appendix and the wing with a marginal vein. Key to Species. 1. Entirely orange-yellow or white with yellowish elytral suture, MPI CMAE MO VHACIANES 5c. Gace ge cet sewer ceresenuea ss albostriella Magen, COOL OF Pale With Gark Markings: 6.56.6. de ales ait 8 2. White to yellow, a brownish area on tip of clavus and scutellum and disc of pronotum brownish ......... albostriella var. wahlbergi Deep smoky to black, especially clavus and tips of elytra dark, face SEMPRE heh eB RL fle aati Rb Sie Ute wid vie Oo R's alee wie fumidus A. albostriella (Fallen). Cicada albostriella Fallen. Cicada elegantula Zetterstedt. Typhlocyba pallidula Walsh. (Fig. tay ta, 0, °C.) Hemip. Suec., Cicad., 54, 1826. Head blunt, rounded and parallel-margined, white or pale yellow, often with a yellow stripe along suture. Tarsi black and tips of elytra smoky. Length 4 mm. 148 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. More often found on shrubs, but sometimes taken from herba- ceous plants. It is usually present in good numbers on linden. New Haven, 4 Aug., 1920 (B. H. W.). A. albostriella var. fulveola (Herrich-Schaeffer). Typhlocyba aurea Walsh. Fauna Germ., cxiv, No. 16, 18309. Many of the preceding are a uniform orange-yellow in color, and are placed under this varietal name. Occurs with the preceding. New Haven, 26 June, 8 July, 1912 (at light); Ha s b (B. H. W.) (on linden) ; a iii eo: (B. ef Woe Noah ee r Aug., 1922 (B. H. W.); Ellington, 8 Aug., 1922 (B. H. W.). . A. albostriella var. wahlbergi Boheman. Hemip. Homop., Br. Ids., 193, 1806. Whitish elytra with a stripe along suture, one in brachial area and another along costa yellow. Disc of pronotum, scutellum and an irregular blotch on tip of clavus brownish. | The capturing of this species in Connecticut is a new American record. It is common in Europe on elm. New Haven, July 5, 1920 (B. H. W.) on elm. A. fumida Gillette. Proc. U. S. Nat. Mus., xx, 714, 1808. A dark smoky color above often intermingled with yellow. Face yellow, smoky at base. Elytra darkest on clavus and at tips. Length 3.75 mm. No doubt is a shrub species as it has been taken only in sweep- ings from shrubs or undergrowth close to them, and occurs in small numbers. Cornwall, 18 July, 1921 (B. H. W.); on Crataegus. Dikraneura Hardy. Chloroneura Walsh. Form long and slender, vertex produced, usually angled, elytra without appendix, wing with submarginal nerve complete. Most of these are pasture forms, and they occur often in great numbers. One or two species have been found on shrubs and possibly feed on these. Key to Species. . 1. Elytra with apical cell on costal margin lanceolate or wanting, elytra usually yellowish or greenish with more angulate vertex .. 2 Elytra with a deep triangular cell on apical margin; milky white, always with a smoky cross vein and often with red dashes on clavilsvand inher corm... 2.4 see wee eee ee cruentata 2. Species with elytra greenish or whitish, vertex rather sharply Bre leds: CES: SEAL) Ye is SURI dt o Ae pene er ct cop Ml ice ae Pee Species with elytra yellowish, vertex bluntly angled. (Fig. 14, 3a.) 4 No. 34.) HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 149 3. Broad and robust, vertex broad, elytra whitish, nervure indistinct. . mali Long and very narrow, vertex very pointed, elytra greenish or above abdomen a bluish cast, head pronotum and scutellum yellowish abnormis 4. Uniform deep yellow, abdomen above black, vertex uniform yellow- ESS eee ee ee etn Fob eiabale Meee se flavipennis With pale yellow color, vertex usually with a distinct orange tinge TREES cnt ee le eens oe cw SA sins Wht v ao wed owls ne fieberi D. cruentata Gillette. Proc. U. S. Nat. Mus., xx, 717, 1808. Vertex produced, apex moderately rounded, yellow, often with a sanguineous blotch on middle, two lines on pronotum, scutellum sanguineous, a blotch on clavus and another along inner sector of corium. Red coloration frequently absent, but with elytron smoky on cross veins. Length 2.75 mm. Has been reported from alder and witchhazel as adult in early spring and late summer. D. mali (Provancher). Erythroneura mali Provancher. Dsk- raneura communis Gillette. Pet. Faune Ent. Can., iii, 298, 1800. Rather large, head produced, blunt but angled, sordid milky white; vertex, pronotum and scutellum tinged with yellow, no distinct markings above. Length 3.75 mm. A grass- and grain-feeding species, and one of our common pasture and meadow pests throughout spring and summer. West Haven, 11 May, 1905 (B. H. W.); New Haven, 22 Sept., 1918 et 1), 24 May, 19020 (B. H. W.); Stratford, o July, to20 (B. H. W:.); Westbrook, 21 Sept., 1920 (B. H. W.) ; Hamden, ro Apr., 1921 (B. H. W.); Milford, 2 May, 1921 (M. P. Z.); Madison, 24 Sept., 1922 (B. H. W.). D. abnormis (Walsh). Chloroneura abnormis Walsh. (Fig. 14, 2.) Proc. Dost. Soc. Nat Hist., ix, 316, 1864. Long and very narrow, head produced, pointed but tip slightly rounded. Pale green often with two longitudinal sanguineous lines crossing vertex and pronotum. FElytra subhyaline at tips, an obscure red stripe on costa and another parallel to it half way to costa. Length 3.5 mm. A grass feeder and occasionally found in large numbers injuring grain. North Branford, 12 June, 1921 (B. H. W.). D. flavipennis (Zetterstedt). Cicada flavipenms Zetterstedt. D. armata Buckton. Fauna Lapp., 292, 1828. Vertex roundingly angled, color yellowish unmarked. Abdo- men dark, margins yellow, elytra deep yellow, apex whitish hyaline, hind tibiae with a row of distinct black spots. Length 3.75 mm. A pasture species which may occur in Connecticut. 150 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. ess = 3c 3b Zz 4a 4b 5b ne 3a 6b 6a 9 fa 7b e | mer | 5a \ pnerm | : DeL Fic. 14. (1a) Alebra albostriella Fallen,—head, dorsal view; (1b) same, wing; (1c) same, elytron. (2) Dikraneura abnormis Walsh,—head, dorsal view. (3a) Dikraneura fieberi Loew,—head, dorsal view; (3b) same, wing; (3c) same, elytron. (4a) Empoasca obtusa Walsh,—wing; (4b) same, elytron. (5a) Typhlocyba flavoscuta Gillette,—head, dorsal view; (5b) same, elytron; (5c) same, wing. (6a) Erythroneura obliqua Say,— elytron; (6b) same, wing. (7a) Empoa querci var. gillettei Van Duzee,— elytron; (7b) same, wing; (7c) same, head, dorsal view. (8) Erythro- neura tricincta Fitch,—head, dorsal view. (9) Empoasca flavescens Fabricius,—head, dorsal view. (10) Empoasca trifasciata Gillette,—head, dorsal view. All greatly enlarged. Drawing by D. M. and F. M. DeLong. No. 34.| HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 151 D. fieberi (Loew). Notus fieberi Loew. (Fig. 14, 3a, b, c.) Kat. Ostr. Cicad., 39, 1886. Vertex produced obtuse and rounded, yellowish with apex of vertex and base of front rather uniformly washed or spotted with orange-red. This conspicuous marking will distinguish it from others of the genus. Length 3.5 mm. A very common form throughout the summer in pastures and ‘meadows injuring grasses. It usually occurs in such numbers as to cause severe injury. New Haven, 24 May, 10, 14 June, 11, 16 July, 8 Aug., 1920 (B. H. W.); Waterbury, 15 Oct., 1920 (B. H. W.); Branford, 21 July, 1920; East Haven, 21 July, 1920 (B. H. W.). Empoasca Walsh. Chlorita Fieber. Cybus Douglas. Kybos Fieber. Vertex varying from slightly produced and broadly rounding to well produced and strongly rounded, or even obtusely angled. The posterior wing with a marginal vein, one apical cell, and second apical area elongate. Species small, some shade of green, usually marked with yellow, white or red. The members of this genus are diverse in feeding habits, and while some are always found on trees or shrubs, others are found only on herbaceous plants. Most of these species occur through- out the growing season and are serious pests of fruit, grain, pasture grasses and garden crops. Key to Species. 1. Vertex not produced or very slightly so, usually well rounded. MIMD At fle Sue PI ce ts SUS A7h3.4 La the Maer oa AAS 2 Vertex distinctly produced, often obtusely angled. (Fig. 14, 9.) 9 2. Elytra green with black or dark markings in form of stripes or NN Pia IA I a HD er Fone 28 is fo) bhteeg biiw ek oll nd wo Wha wale wahoo wie 3 Elytra green without dark markings in form of bands ............ 3. With three transverse dark bands, one on pronotum and two on CIRM eee, Meme lt sds Che a od, a hk hs Gu Ge ol ia a We pho ds hme an trifasciata With dark stripe along elytral suture, extending upon pronotum smaragdula Vertex distinctly produced, often obtusely angled. (Fig. 14, 9.) 9 4. Last ventral segment of female produced and without incisions, or notched only on sides of produced segment ..............2-0005 5 Last ventral segment of female notched at middle ................ 7 5. Robust, green unicolorous or without dark markings ............ 6 Deep green, claval suture blue, a black spot before cross veins, vertex pronotum, and elytra marked with reddish orange ...... unica 6. Sides of last ventral segment of female incised or notched, vertex evenly rounded and with yellowish markings, length 5mm. .... aureoviridis 152 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. Sides of last ventral segment of female produced but not notched or incised, vertex distinctly but slightly produced, green uni- colorous, scarcely more than'\4 fim. (0,4... <<<. eee obtusa 7. Female segment with a broad shallow notch the base of which is a broad blunt toothy :...0160) .2201) es Female segment with a broad U-shaped notch without a tooth, a black spot near apex of elytra ::). 0 /eunnsjeey = eee pergandei 8. Tooth long, species greenish without dark markings on elytra unicolor Tooth much shorter, elytra striped with orange-red and with black spot ‘beforecross veins... 5. 4).).3. 9. ee atrolabes 9.- Pace: and vertex not red. ..... 055s ceelecen ee ee 10 Face and margin of vertex a dark rather bright red ......... Nai << 10. Elytra greenish or yellowish, not banded ~... ...... jase eee eee Elytra greenish, slightly smoky with a darker band across center birdii 11. » Pale green, nervures not conspicuous’ <2. 2... > eee a2 Darker green, line on pronotum and veins of elytra conspicuously pale, tip of elytra: smoky 22. 5040's vlan ye ee eee alboneura x2. Face almost as broad as. long) ...0< jo otitis. 2s so pele cee 13 Face one-third longer than broad. ........:.:.¢. 42. seeeeeee viridescens 13. Pronotum with six or eight white spots along anterior margin ...mali Pronotum with three white spots or none on anterior margin flavescens E. trifasciata Gillette. (Fig. 14, 10.) Proc, U.S: Nat. Mas., xx,/726, 1808: Vertex well rounded in front, color green, vertex and pronotum marked with reddish or golden yellow. A broad black band across posterior half of pronotum, another across middle of elytra and a broader one at apex. Length 4mm. A common species but usually found only on cottonwood both as nymph and adult. Durham, 27 Aug., 1920 (B. H. W.); Norwalk, 8 Sept., 1920 (B. H. W.). On poplar; Portland, 25 June, 1922 (M. P. Z.). E. smaragdula (Fallen). Cicada smaragdula Fallen. Eupteryx viridipes Curtis. Acta Holm, 37, 1806. Vertex slightly produced, color green, a broad black stripe extending from disc of pronotum across scutellum then along elytral suture and terminating in a larger black area at apex. Length 3.5-4 mm. Reported from willows and Crataegus, but seems to occur in greater numbers on the former during July and August. East Hartford, 16 Sept., 1920 (B. H. W.); New Haven, 1, 3 Aug., 3 Oct., 1920 (B. H. W.). On willows. E. unicolor Gillette. Proc. U.S) Nat) Mus. cox; 731, 1808. Vertex broadly rounded, color yellow to green, usually with a pale median stripe and a bluish blotch next each eye. Female seg- ment rounded, with an oblique notch either side of a median blunt tooth. Length 3.5 mm. In some sections this is a severe pest of apple foliage, and is found in company with F. malt and Empoa rosae. Portland, 24 July, 1921 (B. H. W.), on poplar. No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 153 E. obtusa Walsh. (Fig. 14, 4a, b.) Proc. Bost. Soc. Nat. Hist., ix, 316, 1864. Resembling unicolor, vertex obtusely rounded not strongly pro- duced, greenish with tips of elytra hyaline. Female segment produced but without notch. Length 4 mm. Common on willows in early spring and summer. New Haven, 8 Aug., 1920 (B. H. W.), Sp Salix; 18 July, 3 Oct., 1920 (hat WW.) ; Orange, 17 July, 1920 (B. H. W.); Guilford, 13 July, 1920 [e F.. W.). E. aureoviridis (Uhler). JTyphlocyba aureoviridis Uhler. Bull. U. S. Geol. Geog. Surv., iii, 474, 1877. More robust than obtusa with a more rounded and less produced vertex. Color yellowish green to golden yellow, a pale spot behind each eye on pronotum, often a median line extending across scutel- lum. Female segment strongly produced and notched or slightly incised on either side. Length 5 mm. A common willow species and rather widely distributed. New Haven, 3 Oct., 1920 (B. H. W.). E. unica (Provancher). JT yphlocyba unica Provancher. E. splen- dida Gillette. Pet. Faune Ent. Can., iii, 340, 1890. Vertex slightly produced, orange-yellow anteriorly, deep blue posteriorly. Pronotum reddish orange anteriorly, and bluish pos- teriorly. Elytra reddish with a rather broad blue stripe along claval and costal veins, apex smoky subhyaline, a black spot before cross nervure of apical cell. Length 3.5 mm. Common on alder which is its food plant. New Haven, 20 July, torr (A. B. C.); 22 Sept, 1918 (D. M. D.); 4, 7, 8, 9 July, 1 Aug., 22 Sept., 1920 (B. H. W.); Portland, 8 Aug., 1913 ag hg Huntington, 9 July, 1o20 (5. EL. W..) * Hamden, 5 July, 1920 E. atrolabes Gillette. Proc. U. S. Nat. Mus., xx, 736, 1808. Similar to unica with duller colors, greenish golden marked with blue, segment bearing a square, abrupt notch. Elytra marked as in unica and with black spot before cross nervures. Length 3.5 mm. Found on alder throughout the summer in company with the preceding. New Haven, 3 July, 1920 (B. H. W.). E. pergandei Gillette. Vertex rounded, not produced, pale yellowish green, pronotum with whitish mottling and a broad white line on scutellum, a black spot on each elytron before cross nervure of inner apical cell. Female segment with a rather broad, gradually sloping U-shaped notch. Length 3.75 mm. 154 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Perhaps this feeds on herbaceous vegetation, as it has been taken in general sweeping in open areas. New Haven, 4 July, 1920 (B. H. W.); East Hartford, 16 Sept., 1920 CB. ew...) . E. coccinea (Fitch). Empoa coccinea Fitch. Rather small, vertex blunt, strongly rounded. Vertex, prono- tum, scutellum and face to apex of clypeus, a bright, deep red. Elytra smoky subhyaline, costal vein greenish. Very conspicu- ously marked. Length 3 mm. Recorded from pine by Dr. Fitch; although no other collector has designated where it was taken the species is more often found in areas where pines are abundant, and this may prove to be its food plant. E. alboneura Gillette. Proc. U. S. Nat. Mus., xx, 743, 1808. Small robust, vertex somewhat produced and pointed in front. Pale green, a longitudinal pale line across vertex, pronotum, and scutellum. Elytra with tips smoky, and all the nervures pale. Length 3 mm. From collecting records it would seem that this little species is able to feed both on shrub and herbaceous plants. E. mali (LeBaron). Tettigonia mali LeBaron. Empoa albopicta Forbes. Apple Leaf-hopper. Prairie Farmer, xiii, 330, 1853. Vertex produced, obtusely angled. Greenish to yellow wih a row of six to eight white spots on anterior margin of pronotum. Length 3.25 mm. A cosmopolitan feeder being a pest of apple, alfalfa, grain and truck crops, and attributed with the carrying of fungus diseases. One of our most important pests. New Haven, 16, 31 Oct., 1003 (H. L. V.); Cornwall) eat reee (B. H. W.); Ellington, 8 Aug., 1922 (B. H. W.), on apple; Hamden, 14 July, 1921 (P. G.), on potato. E. flavescens (Fabricius). Cscada flavescens Fabricius. (Fig. 14, 9.) Ent. Syst., iv, 46, 1794. Resembling mals in size, form and color, but with three white spots or none on anterior margin of pronotum. Color bright green to yellow. Length 3.25 mm. It occupies about the same economic position as the preceding, and is found to feed on the same types of vegetation. New Haven, 10, 14 June, 31 July, 22 Sept., 30 Oct., 1920 (B. H. W.); Bridgeport, 20 Sept., ro201GB. H.W.) Hamden, 20 June, 1920 (B. H. W.). E. viridescens Walsh. LE. consobrina Walsh. Proc. Bost. Soc. Nat. Hist., ix, 316, 1864. Vertex produced and rounded at apex, elytra subhyaline with a No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 155 faint greenish tinge. Face with a pale line on middle, another on middle of vertex, and one on middle of scutellum. Three spots on anterior margin of pronotum white. Length 3 mm. Perhaps very closely related to the two preceding and occurring on herbaceous plants. E. birdii Goding. Ent. News, i, 123, 1890. Vertex obtusely rounded in front, color yellow to green, a pale stripe extending across vertex and pronotum, and often scutellum. A pale spot either side of this on base of vertex and anterior por- tion of pronotum. Elytra yellow smoky crossed by a darker band at middle, sometimes fused with a dark area at base of clavus, and a spot at apex darker. Length 3 mm. Occurs on a number of plants and shrubs, not an abundant species. Typhlocyba Germar. Eupteryx Curtis. Elongate, slender, vertex crescent-shaped, elytra exceeding abdomen, appendix wanting. Wuings without marginal vein, all four veins extending to wing margin, not fused. Only a few American species belong here and feed upon plants which, for the most part, are not of economic importance. Key to Species. 1. Milky white, elytra rounded on outer apical margin and concavely truncate toward inner margin, with radiating brown lines on RISER etre fone ton Le ke tals ya abe piers tals a Bee inscripta Dark in color or marked with black spots, elytra convexly rounded PM UMRIIRU TE: TUL feats oP ye EN SS te ahosB ara New Pee ke eas Fa eRe Mae ig 2. Usually brown or black in color, vertex almost uniform in color, RAE HEP ra rae BNE 8 8 al ye ey cb 82 oils Site 261 a as Grad ere wake tele mas 3 Light in color, vertex yellowish with three large black spots, two at apex and one median at base, elytra pale with infuscated areas MAMET SADE Oat ese a ek bae s he sous ORe ka Re eee eens melissae 3. Vertex brownish with pale margin, rounded, whole insect rather MoemacMm In cOlotewitiw pale Miarkings s.le. wo eisa s ade chdeieidae ale Vertex black, obtusely angled, pronotum and scutellum black, elytra milky white with apex and areas on corium smoky ......... vanduzei 4. Species large, 3.75 mm., anterior margin of vertex, costal margin ae REN ARIE ACA TET VUT OSL PANE voice (a abdisiucs! «6 wale aha old y « aleyal are elias nigra Smaller, 3 mm. in length, margin of vertex, costal margin of elytra, a median oblong spot on pronotum crossing scutellum, and a broken commissural line along elytral suture, often shown by INEGI RINNE So Sb rh Sao coed white. A nate ety Wty (eiehidal min flavoscuta T. melissae Curtis (cited as T. collina Flor. by Van Duzee). Eupteryx quinquemaculata Baker. Hemip. Homop. Br. Ids., 204, 1896. Vertex produced, strongly rounded, two large black spots above apex and a large round black one at base. General color pale 156 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. green, pronotum with two central black spots at base, a small one and a curved line behind each eye. Elytra greenish hyaline, smoky at tips, nervures pale and a few cells spotted with fuscous. Length 3 mm. A common form on catnip, sage and other Labiates. An Euro- pean species, now known to occur in the United States both on Atlantic and Pacific coasts. Granby, 10 Sept., 1909 (W. E. B.) (on sage). T. vanduzei (Gillette). Proc. U, S. Nat. Mus.; xx, 748, 1808. Vertex produced, scarcely angled, black in color. Pronotum and scutellum black, elytra milky white, smoky at tips, often a dark area along middle of costa. Length 3.75 mm. Occurs on ferns in New England in July and perhaps August. Cromwell, 18 July, 1921 (B. H. W.), on ferns. T. flavoscuta (Gillette). (Fig. 14, 5.) Proc, U.S, Nat: Musi xx, 740; 1808. Vertex produced, bluntly rounded at apex. General color smoky above, yellow beneath. Face, anterior margin of vertex, median spot on posterior portion of pronotum, scutellum, costal and inner margins of elytra yellow. Length 3 mm. On ferns in wooded areas during July and August. Bridgeport, 20 Sept., 1920 (B. H. W.); East Haven, 21 July, 1920 (B. H. W.); Guilford, 13 July,.19z0 (B. H. W.); Huntmeteaya eas. 1920 (B. H. W.); New Haven, 11 July, 1920 (B. H. W.), on ferns; Corn- wall, 5 June, 1921 (B. H. W.). T. nigra (Osborn). Rept. N; YSt. Fats xx, 543; 1005. Vertex bluntly rounded, more robust than others of the group, black above anterior margin of vertex and costal margin, broadly yellow just before apex, which is smoky with nervures pale. Length 3.75 mm. Taken only in shaded areas in woodland from ferns in cool moist habitats during July and August. Bridgeport, 20 Sept., 1920 (B. .H. W.); Guilferd; 13) Jul 1926 (B. H. W.); Hamden, 20 June, 1920 (B. H. W.); New Haven, i1 July, 1920 (B. H. W.); Portland, 25 July, 1920 (B. H. W.); Huntington, 9 July, 1020 CB. "EL. (Wey. *T. inscripta Sanders and DeLong. Proc. Ent. Soc. Wash., 24, 99, 1922. Milky white washed with yellow, elytra with a large central area on apical cross veins dark brown, from which brown lines radiate along veins to apex, costa and corium. Elytra with outer apical margin rounded, then concavely truncate toward inner margin. Female last ventral segment four times as long as preceding, posterior margin roundingly excavated one-third the distance to the base, either side of a broad, central rounded tooth one-third No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 157 as broad as the segment and equaling in length the lateral angles. Male valve more than twice as long as last ventral segment, pos- terior margin with broad V-shaped notch extending from the lateral angles one-third the distance to the base. Plates narrower than valve and twice longer, margins almost parallel, tips broadly rounded. This species was recently described from material collected in New Haven and also material collected in Kew Gardens, London, England, by Prof. J. G. Sanders. New Haven, on pear; July 6, 1920 (B. H. W.), type material; 4 Aug., 1920 (B. H. W.); 19 June, 1921 (P. G.). Empoa Fitch. Anomia Fieber. Typhlocyba Sahlberg. Vertex very blunt in front, produced but scarcely angled. Ely- tral venation distinct as given in key with apical cell formed between outer and middle sectors, triangular. As a rule the species are rather pale in color with few dull markings. This group of pale species are mostly shrub-feeding and a few are pests of shrubbery and fruit trees. All have two or more broods a season. Key to Species. 1. White or yellow with bands or spots on the vertex, pronotum or ste ee Sire Corre. Soe iy h SIS 6 Led eal Sle dhae wage 2 White, yellow or greenish without dark markings ............... 2. Elytra not banded, but with a transverse row of dark blotches SPEAR PSS TVCIN Se heise vis Fticli cc's ban ean cada cde seu vu ae cadets 3 Whitish with transverse band across elytra ................... querci 3. Pronotum with a dark spot on middle of anterior margin ........ ulmi Pronotum without black markings on anterior margin ...... tenerrima RERUN WIS TEE COIOL fs oie nse dca a ovat cealece secs eredawsivas SPAT CCNSIN IM COIL a0 esc eer cb we sce gs weeerees eens oun fabae 5. sulphurous or orange-yellow, unmarked ................... lethierryi Pemmmale yellow or wiite, unmarked |... inne ec ied wee eae oe rosae E. querci Fitch. Oak Leaf-hopper. (Fig. 8, 5.) homeo. N. Y. St. Cab., 63, 1851. Creamy white to yellowish with three blackish spots in a trans- verse row just before cross nervures of elytra. Length 4mm. Usually occurring on oak, but often taken from other trees and shrubs. New Haven, 19 June, 1922 (B. H. W.). E. querci var. gillettei Van Duzee. Typhlocyba bifasciata Gillette and Baker. (Fig. 14, 7.) Cat. Hemip.; Hemip. Col., iii, 1895. As in querci, yellowish, but with a broad smoky transverse band just in front of middle and another just before cross nervures. Length 4 mm. 158 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. It occurs in abundance on wild cherry during July and August. New Haven, 26 June, 8 July, 1912 (at light) ; Sara a June, 1913 (Bi Haw.) (on linden) ; Manchester, 16 Sept., 1920 (B. H. W.). E. ulmi (Linnaeus). Cicada ulms Linnaeus. Elm Leah beatae Syst. Nat., Edn. 10, 1, 439, 1758. Yellow, vertex with two black spots on anterior margin and a spot on anterior margin of pronotum. Elytra slightly infuscated on cross nervures, tergum black. Length 3.75 mm. Originally taken from elm, but it seems to occur on other vege- tation also. E. tenerrima (Herrich-Schaeffer). Typhlocyba tenerrima Her- rich-Schaeffer. JT yphlocyba rubi Hardy. Typhlocyba misella Boheman. Fauna Germ., cxxiv, No. 10a; clxiv, No. 16, 1834. Yellowish with greenish tint, very slender, a transverse row of dusky blotches on the elytra just before cross nervures. Part of cross nervures black. Length 3 mm. A shrub species, on hazel, and occasionally on alder during the summer. New Haven, 21 June, 1922 (B. H. W.). E. lethierryi (Edwards). Typhlocyba lethwerrys Edwards. Typhlocyba rosae Kirschbaum. Ent. Mon. Mag., xvii, 224, 1881. Form and size of rosae, but is a uniform sulphurous or orange- yellow without dark markings. Apex of elytra pale. Length 3.5 mm. Reported from elm, but is found on maple and other trees in small numbers. | New Haven, 8 July, 1912 (at light). E. rosae (Linnaeus). Cicada rosae Linnaeus. Typhlocyba piters- dis Dahlbom. Rose Leaf-hopper. Syst.) Nat., Edn. 10, 1, 430, 1758: Pale yellow to milky white, without dark markings above. The tarsi, tip of proboscis and eyes usually brown. Upper portion of face often darker. Length 3.25-3.5 mm. A very common and destructive pest on roses and’ frequently feeds on apple foliage so as to cause severe injury. Yalesville, 19 Oct., 1903 -(H. L. V.); New. Haven, 3, Octseage2 (B. H. W.); 16, 31. Oct., 19003 (H. L. V.);. 27 June, snore eae 4 Aug., 30 Oct., 1920 (B. H: W.); Orange 15 Sept, 1920 (3) hew Guilford, 17 July, 1920 (B. H. W.) ; New Haven, 4 July, 1921 (B. H. W.). E. fabae (Harris). Tettigonia fabae Harris. Bean-Vine Leaf- hopper. Rept. Ins. Mass., 186, 1841. Head crescent-shaped, the male with two long thin recurved plates. Color uniformly pale green, the wings and wing covers transparent and colorless. Hind tarsi bluish. Length 3.5 mm. OO EE No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 159 Originally described as a pest of beans, but no doubt occurs on other forms of vegetation as do others of this group. A rather uncommon form, and perhaps is an Empoasca. East River, 8 Aug., 1908 (C. R. E.); New Haven, 7 July, 1909 Ch, 2. W.). Erythroneura Fitch. Zygina Fieber. Idia Fieber. Vertex produced distinctly but rather bluntly angled, with apex usually slightly rounded. Elytra with apical cell between outer and middle sectors quadrate, elongate, the sectors joined by a cross nervure. Usually brightly colored. Among the species belonging here are several very destructive to vineyards and known as “grape leaf-hoppers.” Some of these are found only occasionally or in limited areas, others are pests and are widespread and distributed over the entire United States. As a group they hibernate as adults under leaves in wooded areas, or under the rough loose bark of shade and fruit trees, and can be found almost anytime during the winter by pulling off the loose bark or sifting among the leaves. Most of these are pale with bright color markings. Key to Spectes. ee tenet turee distinct transverse bands .......6... 0.0200. 660 e400 2 With three distinct transverse dark bands, one crossing pronotum SOMERS SRIIET URE 20 Po ono gas. 0''s& m sires, x 0/500: oo, ue ww Sys tricincta 2. Almost entire coloring concentrated on elytra before cross nervures 3 Coloring not concentrated on basal portion of elytra, often pale MR Mie SPA EIE 0 St ag elicey SV us ead Savaigpa’cinje/a & o% wl Rik & aia Welhs ‘Slaeaes 7 IAT EU GS cg. & esas wln a viele § Ga wie tle stance Ge ee bed dean Coloration in form of a basal brown transverse band on elytra .. comes var. basilaris 4. Base of elytra almost solidly and uniformly red ................. 5 Base of elytra entirely flecked with red ...........:...-..: trifasciata Head and pronotum without red markings ...................000- 6 Head and pronotum marked with red, basal two-thirds of elytra red crevecoeuri 6. Costal areas and a large round spot at middle of elytra on com- Se EMIMIRE TOON eee ec glee ale g wia’nawalga Yd cwsia be ciaieiay hartii Pier Witiont commissttal white Spot ...:.. 0c cecccencs tunicarubra Pa ere oot Diack SPOt OM) COFMEM oo eod s see eee ae edeea wed be 8 Elytra with a large black spot often red margined, at middle of claval suture’; vertex, pronotum and scutellum often each with a DAS cod PEIN ie foo cin Oh aaia'n waine bins eee an illinoiensis Se re ie wit rea Markings sc yec ce ce ee ee ewe ewe eens 9 Color dark almost uniform, often with pale spots ................ 10 9g. An oblique red line on clavus and one on inner sector of elytra obliqua Marking in form of zigzag or broken lines or spots ............ comes and var. maculata 10. A pale median line on vertex, pronotum and scutellum with a dash either side of it on vertex and pronotum ..............2ceee00-- II 160 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. { Bull. Uniform dull smoky without median stripe ...... obliqua var. fumida 11. Very black with a white spot on basal angle of scutellum ...... vulnerata var. nigra Dark but not black, without spot on scutellum ............. vulnerata EH. trifasciata (Say). Tettigonia trifasciata Say. Jour. Acad. Nat, Set. Phila. av, 3443, 1825. Yellowish, vertex, pronotum and scutellum marked with red, elytra anterior to cross veins irrorate with red and with three rather indefinite brownish or smoky bands behind scutellum. A median white spot on costal margin. Length 3.5 mm. It occurs on leaves in woods and in the southern states is common on grapes. | Norwalk, 8 Sept., 1920 (B. H. W.). E. tricincta Fitch. Three-banded Leaf-hopper. (Fig. 14, 8.) Elomop: IN. YY.’ St. Cab.)63, 1851. Yellowish, with three brown or reddish transverse bands, one across pronotum and part of scutellum, a second on middle of elytra and a third across apex of elytra. Length 3 mm. A common vineyard pest and found on other vines and trees often in goodly numbers. E. tunicarubra (Gillette). Typhlocyba tunicarubra Gillette. Proc. U.S. Nat: Mus.jxx,: 752, 108. Yellowish, vertex, pronotum and scutellum often with faint red markings, elytra solid reddish to cross veins. Resembles some- what trifasciata in which the elytra are maculate to cross veins instead of a uniform red. Length 3.75 mm. Rather uncommon, occurring on foliage in woodland. E. hartii (Gillette). Typhlocyba hértw Gillette. Proc, U.S: Nat.’ Mus.,; xx, 754, 1808. Vertex, pronotum and scutellum yellowish marked with red. Elytra red almost to cross veins, a circular spot on middle of clavus along suture, and costa narrowly yellow. Length 3 mm. Usually seen in goodly numbers, when present, on the trunks of young apple trees. It is often found to be a pest of apples, occurring in large numbers. E. comes (Say). Tettigonia comes Say. Grapevine Leaf- hopper. Jour. Acad. Nat. Sci. Phila., iv, 343, 1825. Extremely variable in color. Yellow to white usually with red lines or blotches on vertex, pronotum and scutellum. Elytra with oblique and transverse reddish lines of various shapes and sizes, often coalescing or on the other hand broken into distinct spots. Length 3 mm. ee This species with its several so-called varieties is known as the “srape leaf-hopper,” and wherever vineyards are found or even a wild grapevine in wooded areas this species is in great abundance. No. 34.] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 161 Only a few of the varieties occur in vineyards and these in very small proportions. Such forms as ziczac are more abundant on woodbine and other vines and are seldom found on grapes. So from field observations it is doubtful whether some of these should have varietal or specific ranking. New Haven, 16 Oct., 1903 (H. L. V.) ; 20 May, 1920 (B. H. W.); North foc: : June, 1922 (B. H. W.); East Haven, 10 May, 10921 pi: vam w =) E. comes var. ziczac Walsh. Proc. Bost. Soc. Nat. Hist., ix, 317, 1864. With spots and lines coalescing to form a zigzag coloration from anterior costal margin to apical portion, often smoky. A large dark spot at middle of costa. Hamden, 23 Oct., 1921 (B. H. W.); New Haven, 12 May, 1921 CB. i. W.). E. comes var. vitis (Harris) .* Encyc. Am., viii, 43, 1831. Usually a red band across scutellum, pronotum and basal angles of elytra, a broad red one across middle, ending in bluish spots on costa, and tips of elytra blackish. Central reddish band sur- rounded by white. New Haven, 13 Sept., 1920 (B. H. W.). Boston Ivy. E. comes var. basilaris (Say). Jour. Acad. Nat. Sci. Phila., iv, 344, 1825. As in comes but with base of elytra dark brown, often extending over scutellum and most of pronotum. North Haven, 24 Sept., 1921 (B. H. W.). E. comes var. infuscata (Gillette). Proc. U. S. Nat. Mus., xx, 764, 1808. A broad black stripe extending over vertex, pronotum, scutellum and along elytra to apex. A dark spot at tip of clavus is sur- rounded by a white ring. E. comes var. rubra (Gillette). Proc. U. S. Nat. Mus., xx,..764, 1808. Spots coalescing so as to give almost entire reddish coloring above. E. comes var. maculata (Gillette). Proc. U. S. Nat. Mus., xx, 764, 1808. Lines broken up into a great number of round reddish spots. New Haven, 16 Oct., Yalesville, 19 Oct., 1903 (H. L. V.); North Haven, 24 Sept., 1921 (B. H. W.). E. comes var. scutellaris Gillette. Proc. U. S. Nat. Mus., xx, 764, 1808. Scutellum black, elytron often milky white without red markings. * McAtee evidently regards vitis as a species and described the var. stricta. See Trans. Am. Ent. Soc., xlvi, 305, 1920. (W. E. B.) 6 162 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. E. illinoiensis (Gillette). Typhlocyba illinoiensis Gillette. Proc. U. S. Nat. Mus., xx, 758, 1808. White or yellowish, elytra always with three black spots, one at base of inner apical cell, one midway along costa and the third and largest margined with red and situated just outside of clavus not quite half way to its apex. Vertex, pronotum and scutellum each often with a large red spot. Length 3 mm. Feeds on grape and other vines, often found in woodland. KE. obliqua (Say). Tettigonia obliqua Say. (Fig. 14, 6.) Jour. Acad. Nat. Sci. Phila., iv, 342, 1825. Whitish, vertex, pronotum and scutellum with two red longitudi- nal lines. Elytra with three oblique red stripes extending toward inner margin. Length 3 mm. With its varieties this species occurs on grapes and is taken in practically all sweepings from shrubs and trees in woodland. It hibernates as an adult under leaves or bark in sheltered places and can be found on warm days in winter and early spring coming out of these shelters. Yalesville, 19 Oct., 1903; New Haven, 7 May, 1904 (EE yee Sept., 1918 (F. H. L.); Orange, 15 Sept., 1920 (B. H. W.)= Bast Hare ford, 16 Sept., 1920 (B. H. W.); Hamden, 25 Apr., 1921 (EB) wae North Haven, 24 Sept., 1921 (B. H. W.). E. oblique var. dorsalis (Gillette). Proc; U: S: Nat. Mus.) xx, 757, 1808. Coloration pee to form a broad red or wee median dorsal stripe extending from apex of vertex to tip of elytra. New Haven, 22 Sept., 1920 (B. H. W.); North Haven, 4 Sept., 1921 CB. FW). E. obliqua var. noevus (Gillette). Proc JU) S. Nat Mus. xx 757, 1806, Differs from typical obliqua only by a black area covering all of scutellum and median posterior part of pronotum. E. obliqua var. fumida (Gillette). Proc. U. S. Nat. Mus., xx, 758, 1808. Dark or entirely dusky colored throughout. E. vulnerata Fitch. Homop. N. Y. St. Cab., 62, 1851. Brownish green to black, marked with white. A common white line on vertex and pronotum. Elytra with costa white crossed near middle by a black line. A few pale areas usually conspicuous. Length 3 mm. Collected from many vines and shrubs and apparently feeds on more than one plant. Among those recorded are grape, Virginia creeper and elm. It hibernates as an adult. New Haven, 14 May, 1904 (H. L. V.); 13 Sept., 1920 (B. H. W.). No. 34.] HEMIPTERA OF CONNECTICUT: MEMBRACIDAE. 163 E. vulnerata var. nigra (Gillette). Proc. U. S. Nat. Mus., xx, 765, 1808. Black with a white area on middle of costa and a yellow spot on inner basal angle of elytra behind scutellum. E. crevecoeuri (Gillette). Proc. U. S. Nat. Mus., xx, 767, 1808. Yellowish pronotum and scutellum with two red longitudinal lines, face yellow suffused with red. Scutellum entirely red or black, elytra with basal two-thirds reddish, yellow beyond tip of clavus and with costal area at base more or less yellowish. Length 3 mm. Occurs in wooded areas on foliage, not a common species. Family MEMBRACIDAE. By WiLt1aMmM DELBERT FUNKHOUSER, A.M., PH.D. CHARACTERS OF THE FAMILY. The family Membracidae is characterized by the extreme devel- opment of the pronotum which usually extends backward to cover the mesonotum and metanotum and often completely conceals the entire abdomen, the presence of two ocelli only, the poorly devel- oped hair-like antennae situated below and slightly in front of the eyes, the trimerous tarsi, and the usually membranous and characteristically veined wings. TAXONOMIC POSITION. Although the taxonomic position of the families of the Homoptera, and indeed the validity of the systematic divisions themselves, have long been a subject of discussion among hemip- terists, there seems to be abundant evidence to indicate that the Membracidae are entitled to only a very low place in the phylo- genetic arrangement of the families. The pronotum, to be sure, is highly specialized, but the sensory system is very poorly devel- oped, the wings are extremely generalized, and the genital organs have developed very little from the ancient type. Phylogenetic studies would suggest that the Membracidae should be placed between the Cicadidae (which may be considered the lowest or most generalized of the homopterous families) and the Cicadellidae, with strong affinities toward, and probably from the same stem as, the latter. DISTRIBUTION. The family Membracidae is primarily a tropical and subtropical group of insects and is represented in greatest numbers in South America, northern Africa and southern Asia. It is in these 164 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. regions that the many curious and grotesque forms, which are so often figured to illustrate extreme pronotal development, are most abundant, and that the number of genera and species reach the maximum. In North America the family is best represented in Mexico where the characteristic bizarre forms are plentiful. Southern United States shows fewer species and these lose their grotesque appearance as they spread northward. Northern United States continues to show the thinning-out of the forms as_ the climate becomes colder, and the native species are on the whole smaller and of less striking development. Of over three hundred genera established in the family, only forty are found in North America and of these a number are represented by a single species only. ; As is to be expected, therefore, the New England States are near the northern limits of membracid fauna (only a few species are found in Canada) and the small number of species represented makes the determination of forms a comparatively easy task. Approximately one hundred species, representing about twenty genera, are recorded from this region. HABITAT AND Habits. The Membracidae are primarily tree and shrub inhabiting insects; a few species may be taken in general sweeping but the great majority are to be found on the lower branches of trees (seldom more than twenty feet from the ground) and particularly on small saplings, bushes and shrubs. They are sun-loving creatures and are found oftenest on plants growing in open fields, along roadsides, and at the edges of timber. They are seldom seen in shady woods. The adults of many species have the habit of arranging them- selves in rows on the branches or trunk, generally with the head pointing toward the base of the branch, or pointing downward if on the trunk. Nymphs are usually found tightly flattened in crevices of the bark or pressed closely in the axil of a leaf or the crotch of a twig. Both adults and nymphs show a considerable amount of protective resemblance, particularly those species which are provided with dorsal horns or crests. Some species are decidedly gregarious and congregate not only as individuals of the same species but also with other species (e.g., Thelia bimaculata and Vanduzea arquata on the locust), others live together as individuals of a species but are seldom found with other species (e.g., Enchenopa binotata on the butternut), others spend their nymphal lives as a family group but separate on reach- ing maturity (Ceresa bubalus on sweet clover), while others are usually solitary both as nymphs and adults (most species of the genera Telamona, Smilia and Carynota). There is reason to No. 34.] HEMIPTERA OF CONNECTICUT: MEMBRACIDAE. 165 believe that gregarious habit is largely dependent on the host plant, the abundance of the species and the number of eggs in an egg-mass. Membracids are usually most active during the warmest parts of the day and on the warmest days of the year. The stimulus of heat (or perhaps sunlight) seems to be important for the activities of feeding, mating and oviposition. When at rest the insect gen- erally chooses the underside of the first or second-year growth of trees or the upright stem of herbaceous plants; if approached it often moves around to the opposite side of the twig or stem and makes no attempt to fly except as a last resort in escaping. Locomotion consists of three methods, walking, flying and jump- ing, as mentioned in order of importance. On the whole, most | species are sluggish and move but little unless disturbed. Migra- tion is extremely slow, either from plant to plant or from one locality to another. Individuals almost invariably return to the same host from which they have been disturbed and it is a common experience to find one tree or shrub crowded with individuals while another host of the identical species is unmolested a few rods away. The insects fly well for short distances only (the record flight as measured by the writer was fifty yards for a female of Telamona unicolor) with a sharp, whirring, erratic flight which is hard to follow with the eye. It seems reasonable to believe that the size, weight and shape of the over-developed pronotum of most species is responsible for their poor performances in the air. In the matter of jumping, also, the membracids fail to live up to their common name of “tree-hoppers,” since their exhibitions of leaping are not at all spectacular or impressive. The insect leaves the support with a quick snap which is doubtless of value in escaping enemies but which carries it only a short distance and is in fact only a “take-off” for flight. There is no true leaping or hopping from twig to twig or from leaf to leaf. In feeding, the insects show no peculiarities, little energy is displayed in the feeding movements, and the process is a leisurely one. The beak is well fitted for piercing the tender leaves and petioles and is often buried so deeply in the tissue of the plant that it is broken off when the specimen is suddenly captured. A large number of species are attended by ants, the latter insects collecting the so-called “honey-dew” excreted from the anus of both nymphal and adult forms of Membracidae. It has been shown that this fluid is simply an intestinal waste, not secreted by special glands, but perhaps containing sugars in solution. The ants are very attentive to their charges while collecting this fluid, constantly stroking the membracids with their antennae and attacking without hesitation any intruder—even the fingers of the collector—which threatens to disturb the process. It is interesting to note that certain species (e.g., Enchenopa binotata) are appar- ently never attended by ants although both nymphs and adults of 166 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. { Bull. the species secrete the anal fluid, while closely related species (e.g., Enchenopa ferruginea) are favorites with the formicide herdsmen. Ants which are commonly found attending membracids in north- eastern United States are Formica obscurwentris Mayr., Formica exsectoides Forel, Camponotus pennsylvanicus DeGeer, Cremato- gaster lineolata Say and Prenolepis imparis Say. Lire’ Hisrories: Most, if not all, of the New England species winter over in the egg stage and the first appearance of the insects in the Spring is the emergence of the nymphs from the winter eggs, which occurs from late April to early June according to the locality, the weather, and the species concerned. Mating begins almost immediately after the insect reaches maturity, and oviposition occurs within a week after mating. The eggs are laid usually in the bark of young stems, in the buds, in the midribs of leaves, or in the soft stems of herbaceous plants. The place and method of oviposition is apparently very definite for each species and varies within a genus. In most cases the egg-slits are very superficial and the eggs are but poorly protected by the overlying epidermis, bark, or bud scales; in some cases the tips of the eggs are plainly visible. The mechanics of the process differ decidedly in the various species and the appearance of the egg-slit is often a good clue to the species concerned. The number of eggs in the egg-mass and the arrange- ment of the eggs with respect to each other and to the slit also show considerable variation but the most common appearance is a palmate arrangement of from three to six white, club-shaped eggs in a shallow, curved slit, the tips (anterior ends) close to- gether and the bases somewhat separated one from another. The time of hatching depends to a large extent upon climatic con- ditions and often the eggs of a single egg-mass show a consider- able variation in this respect. The process of hatching has been observed for many species and shows no unusual features. The eggs become swollen a few days before hatching, the chorion about the neck and upper end cracks and, sometimes several days after the cracking of the egg, the cap is forced upward and the head of the nymph appears, quickly followed by the thorax and abdomen and more slowly by the legs. The time required for the process, from the time the head is first seen until emergence is completed, is usually about half an hour. Five instars are shown in the development of the nymph. Each of these instars is distinct enough to be recognized, and displays characters sufficient not only for the recognition of the species but also for the identification of the particular stage of develop- ment that it represents. The most important of these characters are the number, arrangement and shape of the dorsal spines, the structure of the prothorax and the configuration of the head. No. 34.] HEMIPTERA OF CONNECTICUT: MEMBRACIDAE, 167 About six weeks are required in development of which in most cases the first four instars consume approximately a week each and the last instar two weeks. A few species (e.g., Vanduzea arquata and Entylia bactriana) have two or more broods a year depending on seasonal conditions. In such cases there is much variation in the time required for the various periods of development and it often happens that nymphs of all stages and adults of different ages may be collected practi- cally throughout the entire Summer. In such cases, also, the individuals of the last brood often fail to reach maturity before they are killed by cold weather. Very few of the species of Connecticut winter over in the adult stage but it is possible that Entylia bactriana, Campylenchia latipes . and Publilia concava may show such hibernation, as adults are often taken suspiciously early in the Spring. Hosts. The various species of Membracidae usually confine themselves to very definite host plants and are excellent botanists. In many cases the association between the insect and its host is so character- istic that a knowledge of the one is sufficient for the recognition of the other. Several of the species change their host plants during their life cycle, the nymphs feeding on one plant, usually some succulent weed; the adults ovipositing on another, usually atree. A wide variety of hosts have been recorded for the family, about fifty plants common to Connecticut being known as favor- ites, most of which are either nutbearing trees, legumes, Rosa- ceae or composites. The specific hosts are here recorded, when known, under the discussion of the various species. EconomMic IMPORTANCE. As a family the Membracidae are not to be considered as of any great economic importance and very few of the species found in Connecticut have ever been accused of causing any considerable damage to host plants. Careful field notes, extending over a number of years, would indicate that the amount of sap consumed by the insects in feeding is negligible since no detrimental effect has been observed from this cause. The damage done in oviposi- tion is very slight since the egg-slits are superficial, in woody plants seldom extending to the cambium, and usually healing over without leaving a scar. A few exceptions, however, may be noted. Ceresa bubalus makes a peculiar curving egg-slit and several slits are often made so close together that a definite area is cut out of the bark which leaves a characteristic line of scars on young twigs. Ceresa borealis likewise makes rather deep wounds which sometimes fail to heal and may become infected with fungi. Three species, 168 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Ceresa taurina, Stictocephala inermis and Enchenopa binotata often lay their eggs in buds; if the buds are not large the eggs may be so deeply inserted as to cause malformations and (in the case of fruit buds) economic loss. On the whole, however, it is believed that such injuries are of such rare occurrence that they may be discounted when compared with the ravages of the really important insect pests. Suprahumcral Dorsal horns ~ crest ad ~ — bs nee or spine ¢ é Dorsal carina Posterior Process a ¢ ’ Humeral angle Fic. 15. A Membracid, front and lateral views, showing structures used in classification. Much enlarged. Drawing by Dr. W. D. Funkhouser. EXTERNAL STRUCTURES AND NOMENCLATURE. On account of the fact that the specific and generic characters of the Membracidae are largely based on peculiar pronotal devel- opments and other external structures, it is perhaps desirable to call attention to a few of these special anatomical features in order that the taxonomic keys may be easily used. The fact that the insects of this family show such unusual pronotal structures (often extravagantly produced, spined, barbed or branched) has naturally been seized upon by systematists in the description of species and there is no question but that these structures, although apparently of little physiological significance, are quite constant and of con- siderable taxonomic value. Since the structures are in many cases peculiar to the family, there has naturally developed a termin- ology which is not entirely applicable to other homopterous groups and not at once recognizable to the general systematist. On the head, the most important points to be noticed are the absence of the frons (which probably explains the absence of the third ocellus), the relative position of the remaining two ocelli particularly with regard to the eyes, the shape of the clypeus and the outline of the head as a whole (Fig. 16). The pronotum is usually the only part of the thorax visible. It is inclined to show development in one or more of four ways— posteriorly (to form extensions over the abdomen), anteriorly (producing porrect or other processes), dorsally (in the form of No. 34.] HEMIPTERA OF CONNECTICUT: MEMBRACIDAE. 169 crests or humps), and laterally (developing the familiar “horns” over the humeral angles). All of these, with several combina- tions, are found in Connecticut species. Arbitrary names which are commonly used to designate these structures are the following: Metopidium (Fig. 15)—that area of the cephalic part of the pronotum reaching from the dorsum to the base of the head. Humeral angles (Fig. 15)-—the swellings, very characteristic of the family, found on the lateral margins of the prothorax just above the bases of the forewings. Superhumerals or suprahumeral horns (Fig. 15)—lateral projections on the edge of the metopidium just above the humeral angles. Posterior process (Fig. 15)—the posterior extension of the pronotum. Perhaps the most important and most commonly used character of all of the prothoracic structures. Dorsal carina (Fig. 15)—the median dorsal ridge, often percurrent. Dorsal crest or dorsal spine (Fig. 15)—elevations of any part of the dorsum. _ Vertex _- Ocellus ~. Clypeus . ~ Ee % *e Labrum * Epiphar ynx ‘s Labium Fic. 16. Membracid, front view of head, showing structural parts. Much enlarged. Drawing by Dr. W. D. Funkhouser. The venation of the wings furnishes valuable characters for both generic and specific diagnosis. Of these characters the most important are to be found in the hind wings which unfortunately are often hidden under the forewings (the tegmina) making it necessary to relax the specimen for purposes of study. The points to be particularly noticed in the wings are the number of discoidal and apical cells, the shape of the terminal or median apical cell, the cross veins in the basal region, and the appearance of the basal costal margin, all of which are shown in figure 17. In the dis- cussion of the membracid wing, reference is often made to the cortum and the clavus. The terminology here is the same as is usually applied to hemipterous wings in general in which the basal portion consists of two pieces, the term “clavus’” being used to 170 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. { Bull. designate the narrow posterior piece which is next to the scutellum when the wing is closed (Fig. 17) and the term “corium” applied to the remainder of the basal area. The position of the internal angle (Fig. 17) of the tegmen with relation to the end of the posterior process is a character often mentioned. The wings of most membracids show a decided terminal membrane (Fig. 17) ; in a few cases the width of this membrane has been used as a taxonomic character. Fic. 17. Wing of a Membracid showing venation. Much enlarged. Drawing by Dr. W. D. Funkhouser. Although in the systematic consideration of the family as a whole the structure of the legs are of great importance, these characters are of little significance in the discussion of species of northern America due to the fact that the subfamilies in which leg characters are of value are not represented in the northern fauna. The only point in the diagnosis of Connecticut forms at which it is necessary to note leg structure is in the separation of the subfamilies Membracinae and Smilunae in which the foliaceous tibiae of the species of the former afford the simplest taxonomic character for setting off the subfamily. CONNECTICUT SPECIES. Published records show a surprisingly small number of species of Membracidae as having been actually reported from Connecti- cut. In Van Duzee’s recent catalogue* only three species (Ceresa brevicornis, Stictocephala lutea and Cyrtolobus querct) are credited to the State and there are very few references in literature to Connecticut representatives of this family. This is due, however, to a lack of records rather than to a paucity of species, since of the seventy-five species which are here considered as forms which may be reasonably expected to occur in the State, only five are as yet unreported. * Van Duzee, E. P. Catalogue of Hemiptera North of Mexico, Univer- sity of California Press, 1917. No. 34.] HEMIPTERA OF CONNECTICUT: MEMBRACIDAE. 171 The following pages include the species which are believed to be represented in the Conecticut fauna. In the preparation of this paper it is presumed that if a species is common throughout the New England States it will be found in Connecticut; certainly if it is known to be abundant in eastern New York and in Massa- chusetts it may be reasonably supposed to occur in Connecticut and is here included. This list does not include, however, a number of species which have been reported from Long Island, since although geographically close to Connecticut, the Long Island region seems to represent a rather distinct faunal area, extending westward and southward but not northward. The writer is greatly indebted to Dr. W. E. Britton, State Ento- mologist, for records and material from the State, and to Mr. Lewis B. Woodruff of New York City whose careful collecting’ in the neighborhood of Litchfield has added many records to the State list and whose kind assistance in the matter of locality and host records has been most valuable in bringing this paper up to date. CLASSIFICATION. The Membracidae are usually divided into five subfamilies ot which only three are represented in northeastern United States. These three may be separated as follows: Key to Subfamulies. 1. Scutellum wanting or concealed by the pronotum ................ 2 NEM TRE SERIE OE fn 2a os Sis oS Wein san ape das Kole ve eee CENTROTINAE Peerrerio® fibiae LOMACEOUS 25 y.ujae dc awee ed sce eee nese MEMBRACINAE ne MRR POPE! SUTIN aie 2 oo ow cfa.deye'sia welds) as diste s Gla Gageeane S MILIINAE Very few species of the subfamily Centrotinae are found out- side of the tropics and of these but one species occurs in the New England States. The Membracinae are slightly better represented in temperate regions but only two species are found in Connecticut. All the rest of the forms here discussed are representatives of the great subfamily Smiliinae which is the dominant membracid group in this country. Key to Genera. 1. Scutellum distinct a. Posterior end of scutellum visible .......... Microcentrus, p. 172 Bo cmtcitin visibic only at Sides ....5.......0 50). Gargara, p. 172 Perea Wahine: Of COUCEBICR ..obc tc aces eae pe sewcenedadess 2 NE Wie TT OUIACCOUS.. cues co bee cd dad wd ye ele law cade on tleblad ¢ 3 Anterior tibiae simple dici@ibyeyvin/o njnbyavm tas 9,xinisicls 15) brain Aidiay + ainsi bias 3. Anterior ridges of pronotal horn close to superior margin of horn; inferior carina of horn not foliaceous ........ Campylenchia, p. 173 Anterior ridges of pronotal horn in center of horn; superior and inferior carinae of horn foliaceous .............. Enchenopa, p. 174 4. Tegmina entirely free, not covered by pronotum ................. 5 Tegmina partly or entirely covered by pronotum ................ 8 a veins of cornu closely united at base >>.) 2eeee grisea O. flava Goding. 1892. Ophiderma flava Goding. Insect Life, v. 93. Probably rare. Occasionally taken by beating low shrubs and bushes but the particular host for oviposition is not known. Mr. Woodruff states in correspondence, that about Litchfield he has taken it usually on red oak. The females are immaculate light green in color, fading to sordid yellow in cabinet specimens. The body is long and robust, the posterior process not reaching the apices of the tegmina which are hyaline with brown bases and fuscous-clouded tips. I have never seen an undoubted male of this species. The life history is not known. Hosts: Red oak, white oak, scarlet oak. Westville, 2 June, 19006 (W. E. B.); New Haven, 14, 28 June, 1920 AG os ON | O. flavicephala Goding. 1892. Ophiderma flavicephala Goding. Insect Life, v. 92. Probably common in Connecticut and at once recognized by the broad yellow lateral band on or near the margin of the pronotum. The pronotum is densely pubescent and punctate, broadly con- vex, and gradually sloping from the humeral region. The pos- terior process almost reaches the tips of the tegmina which are hyaline with the bases and tips brown. The life history is not known and no specific host has been recorded. New Haven, 18 June, 1918 (M. P. Z.); 28 May, 1921 (B. H. W.); Hamden, 30 May, 1921 (B. H. W.). No. 34.] HEMIPTERA OF CONNECTICUT: MEMBRACIDAE. 203 O. flaviguttula Goding. 1894. Ophiderma flaviguttula Goding. Cat. Memb. N. A., 438. 132. 1906. Ophiderma flavoguttata Slosson. Ent. News, 17. 326. Very rare. May be recognized by the wavy gray or greenish line along the lateral border of the pronotum, the irregular yellow patch extending from the middle of the lateral margin of the pronotum upwards and forwards to the dorsum, and the yellowish head. The posterior process does not quite reach the apices of the tegmina which are hyaline in the center and brown at the bases and tips. The life history is not known. Hosts: Black oak (Q. velutina), red oak, white oak. New Haven, 6 June, 1904 (W. E. B.); Litchfield, July (L. B. W.). *Q. flaviguttula var. definita Woodruff. Jour. N. Y. Ent. Soc., xxvii. 259. Mr. Woodruff has described a new variety of this species which he has called definita. I have not seen this variety. Litchfield (L. B. W.)? O. salamandra Fairmaire. 1846. Ophiderma salamandra Fairmaire. Revue Memb., 493. I. The largest and commonest species of Ophiderma in the State. This is a large brown species with the dorsum rounded and very pubescent with short black bristly hairs. The posterior process is short and suddenly acute, not reaching the apices of the tegmina. The tegmina are hyaline with the bases and costal areas strongly punctate and the tips clouded with fuscous. A noticeable char- acter of the tegmina is the prominence of the veins. The general color is brown, mottled with green, the markings being very irregular. The insect is very active and difficult to study in the field. The life history is not known. Hosts: Red oak, white oak, scarlet oak, chestnut. New Haven, 8 June, 1904; 14 July, 1909; 17 June, 1912 (B. H. W.); 9 June, 1914 (Q. S. L.); Middlebury, 20 June, 1916 (M. P. Z.); Goshen, 6 July, 1919 (M. P. Z.); Litchfield, July (L. B. W.). O. pubescens (Emmons). 1854. Gargara pubescens Emmons. N. Y. Agr. Rept., v, 157, pl. 13, snus 1908. Oilsderna pubescens Van Duzee. Stud. N. A. Memb., 90. Very abundant. A small hairy species common on most species of oaks throughout the Summer and apparently most abundant on Quercus velutina. The species is one of the smallest of the genus, light brown mottled with whitish or yellowish, dorsum convex, very pubescent, posterior process short and blunt not reaching tips of tegmina. The tegmina are hyaline with a median black stripe and brown clouded tips. The males are smaller and darker than the females. | 204 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. _ The insects are active and are good fliers. Another of the interesting records for the State is the capture of this species on white pine at New Haven, June 9, 1913, by M. P. Zappe. It has already been mentioned that there are very few instances known of any membracid inhabiting an evergreen. Hosts: Black oak (Q. velutina), scarlet oak, white pine. New Haven, 1905 (A. E. Oman); 29 June, 1909 (B. H. W.); 9 June, 1913: (M. P. Z.); 10 June, 1915 (Q. S. L.); 17 June, 1012) (ee Middlebury, 20 June, 1916 (M. P. Z.); Stonington, 20 June, IQ14 (I. W. D.); Litchfield, July and Aug. (L. B. W.). *Q. grisea Woodruff. 1920. Ophiderma grisea Woodruff. Jour. N. Y. Ent. Soc., xxvii. 254. I have seen only one specimen of this species, a paratype, with which Mr. Woodruff has very kindly presented me. It is an attractive little species with well-defined black and white markings on a gray ground color. It is near O. salamandra but is smaller and differently marked. The host and locality records here given are taken from the above-mentioned specimen. Host: Quercus coccinea. Litchfield, 14 July, 1919 (L. B. W.). Vanduzea Goding. A genus close to Ophiderma but distinguished by the terminal cell of the tegmen which in Vanduzea is transverse and truncate at the base. V. arquata (Say). 1831. Membracis arquata Say. Jour. Acad. Nat. Sci. Phila., v. 302. 1851. Carynota arquata Fitch. Cat. Ins. N. Y., 48. 1869. Carynota arcuata Rathvon. Momb. Hist. Lanc. Co. Pa., 551. 1878. Carimeta arquata Glover. MS. Jour. Hom., pl. 2, fig. 24. 1890. Ophiderma arquata Van Duzee. Psyche, v. 380. 1892. Vanduzea arquata Goding. Insect Life, v. 92. Should be the commonest membracid in the State but has only occasionally been reported and curiously enough in one instance the specimens were taken from giant ragweed where their appearance must have been accidental. Extremely abundant throughout eastern United States on locust on which host it often appears in such numbers that several hundred individuals may be collected from one tree. The insect is small, light chocolate-brown with deep brown and yellow-white markings in the female, and darker colors in the male, the dorsum regularly rounded, pubescent and punctate, the tegmina hyaline, clouded at base and near middle and extending beyond the tip of the posterior process which is sharp. The distinguishing character is the transverse terminal cell of the tegmen. No. 34.] HEMIPTERA OF CONNECTICUT: MEMBRACIDAE. 205 The life history has been worked out and described in detail (Psyche xxii: pp. 183-198. 1915) and is confined entirely to the one host. There should be three or four broods a year in Connecticut. Host: Locust. Litchfield, June (L. B. W.); New Haven, 4 July, 3 Oct., 1920 (B. H. W.); Wilton, 24 June, 1920 (M. P. Z.). Entylia Germar. A genus containing a large number of species, the standing of many of which is questionable. The distinguishing character of the genus is the high flattened dorsum with a deep median notch which separates it into two distinct crests. E. bactriana Germar. (PI. iv, 24.) 1835. Entylia bactriana Germar. Silb. Rev., iii, 248. 1851. Entylia indecisa Walker. List Hom. Brit. Mus., 540. 1851. Entylia reducta Walker. List Hom. Brit. Mus., 540. 1858. Entylia impedita Walker. List Hom. Brit. Mus., 137. Very abundant. Van Duzee in his recent catalogue makes this species a synonym of £. carimata Foerster, and this is perhaps correct. However, while there is little doubt but that this common northeastern form is the one described by Germar as recognized by Fairmaire (Rev. Memb., 300. 4, pl. 5, fig. 32. 1846), by Stal (Bid Memb. Kans., 241. 1869), and by Van Duzee himself (Stud. N. A. Memb., 105. 1908), there is considerable doubt as to just what form Foerster had before him (Nova Spec. Ins., Cent. i, 67. 1781). It seems more conservative, therefore, to retain Germar’s name at least until we are sure of the determination of F. carinata. The species shows so much variation in color and shape that it is difficult to state which form is typical. Many differently appearing individuals may be reared from one egg-mass. It is usually found on various species of thistle on which the eggs are laid in a double row on the undersurface of the leaf. Oviposition begins about the first of July. The eggs hatch in about two weeks and the nymphs reach maturity in a little over three weeks, the instars averaging about five days each. The life history has been described (Biol. Memb. Cayuga Lake Basin, p. 290. 1917) as it develops on the thistle but the insect shows some slight difference in habits on other hosts. In some sections there are at least two broods a year. ‘This is one of the species of Membracidae which winters over in the adult state occasionally in Connecticut. Hosts: Thistle, joe-pye weed, sunflower, red-bud, forked panicum (P. dichotomsflorum), goldenrod. New Canaan, 17 Sept., 1919 (B. H. W.); Litchfield, June to Sept. (L. B. W.); Cornwall, 30 May, 23 June, 1920 (K. F. C.); Huntington, 9 July, 1920 (P. G.). 206 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Publilia Stal. A genus near Entylia but showing a much less elevated crest and a much weaker median notch. Some of the forms are merely depressed in the center and the prothorax is only slightly compressed. P. concava (Say). 1824. Membracis concava Say. Narr. Long’s Exp., App. ii. 311. 1835. Entylia concava Germar. Silb. Rev., iii. 249. 1866. Publilia concava Stal. Analecta Hem., 388. 1869. Ceresa concava Rathvon. Momb. Hist. Lanc. Co. Pa., 551. 1894. Publilia nigridorsum Goding. Cat. Memb. N. A., 399. 1903. Publilia vittata Buckton. Mon. Memb., 185. Pl. 30, fig. 6. Extremely abundant. A grass and shrub inhabiting species usually taken in sweeping. According to Mr. Woodruff, the common host about Litchfield is alder. In New York it seems to be most abundant on goldenrod. The species may be distinguished from Entylia bactriana, the only other species in the State with which it is likely to be con- fused, by the-slight dorsal depression and the general rounded shape of the pronotum. The color varies from gray to black and the pronotum is irregularly ridged and deeply punctate. The tegmina are largely covered by the pronotum. Hosts: Goldenrod, skunk-cabbage, New England aster, worm- wood, alder. Branford, 28 June, 1905 (H. W. W.); Meriden, 3 June, 1910, Hamden, 14 June, 1911 CW. E..B.); North Branford, 8 June, 1912) (Bae Portland, 5 June, 1914, Middlebury, 31 May, 1916, Ansonia, 26 May, 1918 (M. P. Z:); Litchfield; May to July (L..B. W.). Family CERCOPIDAE By Louris Acassiz STEARNS, M.Sc. The insects known under variously applied descriptive names as cuckoo-spit, spittle insects, frog-hoppers and leaf-hoppers, together with the Cicadellidae (Jassoidea) and Fulgoridae, and belonging to the family Cercopidae, are of world-wide distribution. Although members are recorded for every Zoological Subregion, except the Hawaiian, the “headquarters” of this family is in Central and South America and in the Oriental Region and the Malayan portion of the Australian. Comparatively few repre- sentatives are known to occur in the Nearctic Region. This paper recognizes six genera (Monecphora, Aphrophora, Lepyromnia, Philaenus, Philaroma and Clastoptera), comprising twenty-two species, as included within the Nearctic fauna. Two varieties (infuscatus and pallidus) of one species (Philaronia bilineata Say) are described herein as new. * This paper, in substantially its present form, was submitted to fulfill the thesis requirement of a M.Sc. degree, at the Ohio State University, Columbus, Ohio, June, 1917. No. 34.] HEMIPTERA OF CONNECTICUT: CERCOPIDAE. 207 The extreme variability and striking similarities in coloration shown by some species oftentimes renders exact identification difficult. Coupled with this fact, the literature with which to identify them is insufficient and at the same time inaccessible to the average student of Entomology. Papers by Dr. F. W. Goding (1892), Dr. E. D. Ball (1895 and 1898), and Prof. Z. P. Metcalf (1917) include the more recent and important work that has been completed with this interesting group of insects. The comprehensive studies of the family by Dr. Ball are quite adequate, but unfortunately they occur in isolated volumes of the Proceed- ings of the lowa Academy of Science which are not usually at the disposal of the student. It was the original intention of the writer to cover the family | Cercopidae for New England localities only, since he had had the opportunity to collect a large series of specimens in that section of the country. But from this preceding, brief summary con- cerning the work on the group during comparatively recent years, it is evident that another systematic paper, containing a descriptive key with accompanying explanatory figures, together with as extensive distribution records as possible, would be of unquestion- able. value at the present time, and it is hoped that it will be of assistance to students in systematic work. The family Cercopidae has been variously ranked in different classificatory systems. Without a doubt, however, its exact posi- tion among the most specialized of the Auchenorhynchous Homoptera was expressed, when Professor Herbert Osborn (1895) stated that “the Cercopidae in the development of the scutellum, the texture of the elytra, and the specialization of the tibiae show characters of high rank, and if placed subordinate to the Jassoidea (Cicadellidae) must be considered a branch of nearly equal or parallel rank.” The name of “cuckoo-spit’” applied to these forms in Europe dates from classic times when it was believed that the insects were born from the saliva of cuckoos. The production of froth, a common occurrence in Homopterous families, is particularly noticeable in this family. This frothy matter or “spittle” is formed by liberating air beneath a liquid film excreted from the anal opening, of the sap imbibed by the insects in large quantities. In reality, it is a protective device for the nymphal forms. Economically, the “Cercopids,” together with other closely allied Homopterous families, are of considerable importance. Usually these forms do not occur in sufficient numbers to become noticeably destructive, but in some instances their depredations are extensive. Generally speaking, their food plants are the pine, alder, blueberry, cranberry, dogwood and different species of grasses. “It is not alone the exhaustion consequent upon the rapid draining of the 208 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. plants’ juices by the almost microscopic mouth-setae that is so deleterious ; it is the addition of the horde of fungus spores which often subsequently attack the wounded surface and quickly multi- plying penetrate into the tissues of the plant causing decay and death.” The foregoing quotation from a paper (1906) by Mr. G. W. Kirkaldy forcibly emphasizes the extremes attendant to the immediate damage caused by these insects. Professor Herbert Osborn has so adequately covered the economic importance of this family in a recently published (1916) bulletin of the Maine Agri- cultural Experiment Station that a more detailed consideration of this phase of the subject is unnecessary here. During the prosecution of this work I have employed a large series of specimens personally collected in New England, Tennessee and Ohio. I am under special obligations to several who have assisted me:—to Mr. C. W. Johnson (Curator, Boston Sec. Nat. His.), Dr. E. P. Felt (N. Y.-State Entomolegise)jame Professors H. T. Fernald (Mass. Agri. College) and W. € O’Kane (N. H. State College) for distribution records from their respective localities, and to Mr. D. M. DeLong (Pa. Bureau Plant Industry) and Professors Z. P. Metcalf (A. M. College, N. C.), J..G. Sanders. (Pa.. Bureau Plant Industry) and) Gay Page eee (Colo. Agri. College) for exchange and loan of material and distribution records. Especially do I wish to express my indebted- ness and appreciation to Professor Herbert Osborn (Ohio State University) for the use of his private collection containing type specimens and extensive distribution records, and- for generous suggestions and continual kindly encouragement. This family is readily distinguished from the closely allied Homopterous groups, Cicadellidae (Jassoidea) and Fulgoridae, by the structure and arrangement of the spines on the hind tibiae. Here, the cylindrical hind tibiae are armed with two spurs on the outer margin, and, together with the first two joints of the tarsi, terminated with a crescentic row of spines, the third having a bifid claw. In the Cicadellidae, two distinct rows of spines extend the length of the tibiae, and, while some Fulgoridae have similar spurs, the angulate tibiae and the insertion of the antennae below instead of between the eyes insure identification. Family characters: Body stout, compact; general form oval or elongate; frons usually tumid and convex or compresso-produced, transversely ribbed, dorsally somewhat flattened forming a sub- quadrate insertion (the tylus) in the anterior margin of the vertex from which it is separated by a distinct suture; vertex sloping, anterior margin rounding or angulate; ocelli two, situated in vertex before base; antennae short, inserted between eyes and beneath margin of vertex, two basal joints bead-like, the remainder setaceous; pronotum large, sexangular to trapezoidal, anterior No. 34.] | HEMIPTERA OF CONNECTICUT: CERCOPIDAE. 209 margin straight or angularly rounded; scutellum small, triangular ; elytra longer than abdomen, frequently coriaceous, pubescence variable; distinctive hind tibial characters as mentioned above. Key to Subfamilies.* Anterior margin of pronotum straight; eyes equally long and os a as Ses RPS AR CRT, he es CERCOPINAE, p. 209 Anterior margin of pronotum rounded or angular; eyes frequently ER I Oe Be cow ey cece ct seis mad APHROPHINAE, Pp. 211 Rostrum ---Coxa MN -- Tibia -- Tarsus Ultimate - ventral segment --elytron Under wing Fic. 18. A Cercopid, showing structures. (1) dorsal view, (2) ventral view of female, (3) male genitalia. All greatly enlarged. Drawing by L. A. Stearns. Subfamily CERCOPINAE. The members of this subfamily are large, broadly oval, bril- liantly colored, mostly tropical forms; but a single genus and a single species occurring within the Nearctic fauna. Monecphora Amyot and Serville. Head small, much narrower than humeral angles of pronotum; front strongly inflated, anteriorly produced, rounding back to vertex, usually medially unicarinate; rostrum short, two-jointed, * Adapted from Stal. 210 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. not exceeding middle coxae; vertex much shorter than pronotum, obtusely angulate; ocelli close together ; pronotum, lateral margins long, strongly oblique, posterior margin straight or emarginate; elytra coriaceous, much wider than pronotum, lateral margins rounding symmetrically to apex, venation somewhat obscure, apically reticulate. M. bicincta (Say). (Fig. 19, 1-4.) Cercopis bicincta Say. Jour. Acad. Nat. Sci. Phila., vi, 303, 1831. Monecphora bifascia Walker. List Hom. Brit. Mus., 679, 1851. Monecphora angusta Walker. List Hom. Brit. Mus., 680, 1851. Monecphora neglecta Walker. List Hom. Brit. Mus., 683, 1851. Monecphora ignipecta Fitch. (Descrip.) Third Rep. Ins. N. Y., 71, 1856. Tomaspis rubra Fowler. Biol. Cent. Amer., 183 (in part), 18097. Tomaspis bicincta Ball. Proc. Ia. Acad. Sci., vi, 207, 1808. Robust, broadly oval, with narrow angulate head. Black, con- spicuously marked with red and yellow. Length 8-1omm.; width 5 mm.* Vertex broad, disc sloping, deep depressions lateral to median carina continuing along suture of vertex and tylus; front strongly inflated, nearly right-angled with vertex, medially unicarinate; pronotum, disc convex, one-half wider than long, lateral margins roundingly divergent, reflexed, posterior margin roundingly emarginate; elytra convex, about twice longer than wide, apex broadly rounded; pubescence fine, sparse. Genitalia: Female, last ventral segment one-half as long as preceding, flattened in median line, laterally depressed; plates in median line at base of ovipositor curved outwardly, converging to sharply pointed apices; pygofers broad, outer margin incurved, exceeded one-third their length by ovipositor. Male, valve short, truncate, on apical border scarcely wider than base of plates; plates long, length twice width, pointed, outer margins sinuate, inner margins strongly incurved from anterior third to tip. Both male and female structures im toto projected dorsally in vertical lane. fl Color: Dark chestnut-brown to black; entire margin and longitudinal median carina of vertex, eyes and ocelli, and lateral margins of pronotum, red; a narrow transverse band across the humeral angles of pronotum and two slightly wider ones parallel to this trisecting the elytra, red varying to creamy-yellow (typical form bicincta); dark form with bands partly or entirely absent (var. ignipecta Fitch). Distribution: This single species of the genus Monecphora (a genus well represented in the tropics), while a common species in collections from Mexico and the West Indies, has but a sparse distribution in the United States. Its varietal distribution is quite conspicuous. The var. ignipecta Fitch (Pl. iv, 26) is a northern form exclusively, has a distribution throughout the New England * Width is given as greatest measurement across elytra when folded. No. 34.] HEMIPTERA OF CONNECTICUT: CERCOPIDAE. 211 States (not recorded for Maine). In New York this variety grades into, and southward on the Atlantic slope gives way to, the typical form bicincta, which form occurs “throughout the gulf states and up the Mississippi valley as far as Central Iowa, where it is extremely rare.” (Ball.) Stafford, 24 Aug., 1905 (\V. E. B.) ; Manchester, 11 Aug., 1916; Hamden, 15 Aug., 1916 (M. P. Z.) ; New Haven, 1 Aug., 1920 (B. H. W.); Danbury, 29 Aug., 1920 (B. H. W.); Yalesville, 20 Aug., 1920 (M. P. Z.); Portland, 25 July, 1920 (B. H. W.). Subfamily APHROPHORINAE. The members of this subfamily are smaller, more elongate, rather somber colored forms; five genera comprising twenty-one - species occurring within the Nearctic fauna. Key to Genera. 1. Apex of clavus acute, corium without a terminal membrane; form IE Tana Pn A gM CULAR A) ha uu ons 2 de ik Ud bee Se dA 2 Apex of clavus broadly rounded, corium with a broad terminal membrane; form small, globose ........:....... Clastoptera, p. 230 2. Form usually smaller; anterior margin of pronotum rounded; vertex and pronotum without a pronounced median carina; rostrum short and stout, two-jointed, reaching the middle coxae; ocelli nearly equidistant from eyes and each other .............. 3 Form usually larger, more elongate; anterior margin of pronotum angulate; vertex and pronotum with a pronounced median carina; rostrum long, three-jointed, the last and longest segment exceed- ing the hind coxae, ocelli nearer to each other than eyes ........ Aphrophora, p. 211 3. Anterior margin of vertex between eyes and front sulcate; pubes- Pen MCGES AL SUITLACE. VATIADIC: oy eit spouse edocs A ded be wie wate nite 4 4 Anterior margin of vertex between eyes and front non-sulcate; pubescence of dorsal surface dense obscuring venation ......... Lepyronia, p. 220 4. Elytra with about five apical cells; pubescence of dorsal surface SEE RE WIE SDSS AY Ly a Oa tice tcl aia ta, Uta laloas bal Philaenus, p. 224 Elytra irregularly reticulated apically; pubescence of dorsal “EE ST 20 Ca an TES aa a cena ne Philaronia, p. 228 Aphrophora Germar. Vertex, disc weakly convex or flattened, sloping, medially carinate, anterior margin obtuse or rectangulate, apex rounding; tylus broad, weakly carinate; ocelli located close to posterior margin of vertex. nearer each other than to eyes; front, disc convex, transversely rib-punctured, except on median line, inflated, acutely angulate with vertex; rostrum long, three-jointed, the last and longest segment exceeding the hind coxae; pronotum large, disc convex, sloping, medially carinate, anterior margin broadly, obtusely angulate, medially produced into a triangular notch on posterior margin of vertex between ocelli, lateral margins short, length about equal to distance between ocelli, posterior 212 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. margin broadly, roundingly emarginate; scutellum centrally depressed; elytra coriaceous, convex, about twice longer than wide, costal margins expanded, apex roundingly angulate; wings with the third vein from the marginal vein forked and forming a closed apical cell; entire dorsal surface coarsely, irregularly punctate; male valve wanting. The members of this genus resemble each other so closely in their moderate size (7-I2mm.) and uniform grayish-brown coloration that it is possible to separate them accurately only by reference to specific structural characters. The convexity of the pronotum, the degree of inflation of the front with the corre- sponding variation of the facial angle, and in male specimens, the - shape of the male plates prove, usually, reliable characters for specific determinations. Key to Species. 1. Pronotum flattened-convex; front slightly inflated; color grayish brown, two variably distinct hyaline areas on elytral margins; elytra usually broadly convex, with costal margins more strongly expamded Sibu hfe eli elias 0 ale ile we Stateless Pronotum strongly convex, elevated posteriorly; front strongly inflated; color varying brown, hyaline areas absent, elytra obliquely banded; elytra elongate convex, with costal margins narrowly. éxpanded® 3022 0.6 SoG eels oe Dies vee oe eee 2. Size small, not exceeding 8mm.; narrower; dark grayish brown, by hyaline areas distinet. 2.012 ..5 7: 400d .2% ban cee -..quadrinotata Size large, 10mm. or more; broader; pale grayish brown, hyaline ATEAS: MGIStMIEe Jee Le Sec Lies. Se ae ee .....angulata 3. Usually larger; elytra more strongly convex, with costal margins more broadly expanded; color varying deep brown; front inflated and produced, nearly right-angled with vertex ......... 4 Usually smaller; elytra narrowly convex, with costal margins slightly expanded; color varying light brown; front scarcely inflated, flattened convex, acutely angled with vertex .......... 6 4. Head broad, short; vertex rounding, obtusely angulate before; apex of elytra sharply,. acutely angulate .......-35>.--@ eee 5 Head narrow, elongate; vertex almost rectangulate before; apex of elytra bluntly, acutely angulate ..... 202... 2 -s.eueeeee parallela 5. Larger; union of front and vertex a large acute angle; color dark brown, ‘mottled. with lighter ......0.:>.... o:0/@We eee irrorata Smaller; union of front and vertex approximating a right angle; color light brown, elytra more or less distinctly, obliquely banded permutata 6. Color varying ochraceous, light stripe and light elytral bands obscure or wanting; front slightly inflated, angle with vertex fess*acute 2. 6lec5 2. 2 eta ora e gees aed aie as olp y, Color deep fulvous, a distinct median stripe from anterior margin of tylus broadening across vertex and pronotum to basal angles of scutellum, and elytra distinctly banded with light; front usually not at all inflated, angle with vertex more acute saratogensis 7. Color light ochraceous, whole surface irregularly but heavily mottled and elytra obliquely banded with chestnut ......... annulata Color tawny brown to pale ochraceous, indistinct median stripe from anterior margin of tylus broadening across vertex and pronotum to basal angles of scutellum, and elytra indistinctly, obliquely banded with light ..........+s+eeee eee eee eres signoretti No. 34.] HEMIPTERA OF CONNECTICUT: CERCOPIDAE. 213 A. quadrinotata Say. (Fig. 19, 5-8.) eee Phere quadrinotata Say. Jour. Acad. Nat. Sci. Phila., vii, 304, Io3lI. ec phora fascialis Walker. Ins. Saund., Hom., 93, 1858. This species is distinguished readily from others of the same genus by its smaller size, dark grayish-brown color, and the presence of two large distinct hyaline areas on the costal margins of the elytra. Length 7-8mm.; width 3-3.5 mm. Vertex, length on middle one-third greater than at eye, medially elevated, moderately, sharply carinate, entire anterior margin broadly rounding, reflexed to form slightly depressed areas between margins and median elevation; tylus, length one-half width, sharply carinate; front scarcely inflated, distinctly acute- . angled with vertex;. pronotum, length one-half width, disc roughened, median carina weakening posteriorly, lateral margins parallel, sharply carinate; elytra moderately broad, costal margin flaring before middle; punctures setigerous. Genitalia: Female, last ventral segment strongly convex, length less than that of preceding; pygofers, length one-third greater than width, outer margins roundingly, obliquely angulate at end of basal third and deeply, abruptly incurved at apical third, exceeded by ovipositor slightly less than one-third their length. Male, last two ventral segments abruptly narrowing, elongate, strongly convex; plates small, length one-half their basal width, separated at base by their own width, inner margins parallel, outer margins rounding to acutely angulate apex. Color: Constant, dark grayish-brown; vertex and anterior half of pronotum lighter; costal margins at base, oblique band from scutellum broadening to beyond middle on costa, marginal spot at apex and apical reticulations accentuated in deep brown; vari- able areas, triangular on middle of costal margin and elongate on margin before apex hyaline, Distribution: Specimens have been examined from the New England States, New York, New Jersey, Maryland, Virginia, District of Columbia, Tennessee, Ohio, Ontario (Can.), Wiscon- sin, Minnesota, Iowa, and Kansas. It has been reported from Georgia, Florida, and Nebraska (Ball); and from North Carolina (Metcalf). Scotland, 27 July, 1904, Hamden, 24 July, 1910 (B. H. W.); Darien, 8 April; New Haven, 6 Aug., 1917 (W. E. B.); Milford, 2 Aug., 1917 (M. P. Z.); Branford, 12 Aug., 1904 (P. L. B.); Guilford, 13 July, 1920 (B. H. W.); Huntington, 9 July, 1920 (B. H. W.). A. angulata Ball. (Fig. 19, 9-12.) Procoia. Acad. Sci., vi, 212, 1808. Resembling quadrinotata in its pale grayish brown color and two indistinct hyaline areas on the costal margins of the elytra, but distinctly larger and more obscurely marked. Length 10-I2mm.; width 4-4.5 mm. 214 CONNECTICUT GEOL, AND NAT. HIST. SURVEY. [ Bull. Vertex, length on middle one-third greater than at eye, equal to one-third width across eyes, and equal to one-half length of pronotum behind it, medially elevated, moderately sharply carinate, roughened and depressed before reflexed lateral margins; tylus, length one-half width, weakly sharply carinate, anterior margin rounded, produced; front weakly inflated, distinctly acute-angled with vertex; pronotum, length two-thirds width, anterior third of disc depressed, roughened, carina strong across depression, weakening posteriorly, lateral margins divergent, sharply carinate ; elytra long, broadly convex, costal margins flaring widely before middle, thence rounding to angulate apex. | Genitalia: Female, last ventral segment one-half as long as preceding, weakly convex; pygofers, length one-third greater than width, outer margins broadly curved at base, narrowing apically, exceeded by ovipositor one-fourth their length. Male, last two ventral segments narrowing, convex; plates fused, length slightly greater than width, disc laterally tooth-notched before apical third, apex broadly truncate, medially notched, either side of which slightly emarginate to roundingly produced lateral angles. Color: Constant pale grayish-brown; vertex and anterior half of pronotum lighter; approximating pale ochraceous; distinct spot on costa at middle broadening and usually fading inwardly on disc, obscure spot on costal margin at base and another obscure marginal spot at apex, deeper brown; variable obscure areas, triangular before middle of costal margin and elongate on margin before apex, hyaline. Distribution: Pacific Coast (Van Duzee). This species was described, as stated by Dr. E. D. Ball (1898), “from a single female labeled ‘Cal.’ received from Professor Bruner” and after the examination of other specimens “one of which bore Uhler’s Mss. name, 4. angulata.” I have examined a series of fifteen male and fifteen female specimens collected by Professor Hine, Ohio State University, Department of Ento- mology, during July, 1907, from the following California locali- ties: “San Antonia Canyon, Ontario,” “Sta. Cruz Mis. sand “Alameda Co.” Both the male and female specimens agree structurally and in coloration with Dr. Ball’s description and I have, here, described and figured the male genitalia for the first time. A. parallela (Say). Pine spittle bug. (PI. iv, 37; Froth mass, Pi 10.) | ' (Pie OT 3-1) Cercopis parallela Say. Narr. Long’s Exped., ii, 304, 1824. Ptyelus cribratus Walker. List Hom. Brit. Mus., 712-20, 1851. Large, broadly convex, with narrow, elongate head and the front strongly inflated; color dusky reddish-brown, the elytra narrowly, obliquely, and sometimes obscurely, banded with light. Length 8-12 mm.; width 3.5-5 mm. A batts & U Fic. 19. (1-4) Monecphora bicincta Say,—(1) head, dorsal view, (2) head, lateral view, (3) male genitalia, (4) female genitalia. (5-8) Aphrophora quad- rinotata Say,—(5) head, dorsal view. (6) head, lateral view, (7) male genitalia, (8) female genitalia. (9-12) Aphrophora angulata Ball,—(g) head, dorsal view, (10) head, lateral view, (11) male genitalia, (12) female genitalia. (13-16) Aphrophora parallela Say,—(13) head, dorsal view, (14) head, lateral view, (15) male genitalia, (16) female genitalia. (17-20) Aphrophora irrorata Ball,—(17) head, dorsal view, (18) head, lateral view, (19) male genitalia, (20) female geni- talia. (21-24) Aphrophora permutata Uhler,—(21) head, dorsal view, (22) head, lateral view, (23) male genitalia, (24) female genitalia. (25-28) Aphrophora annulata Ball,—(25) head, dorsal view, (26) head, lateral view, (27) male geni- talia, (28) female genitalia. (29-32) Aphrophora saratogensis Fitch,—(29) head, dorsal view, (30) head, lateral view, (31) male genitalia, (32) female genitalia. All greatly enlarged. Drawing by L. A. Stearns. 216 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Vertex long, length on middle one-half that across eyes, disc strongly sloping from posterior margin to tylus, median carina weak, anterior margin scarcely curved to tylus; tylus, disc elevated, flattened, produced, almost rectangulate before, length two-thirds — width; ocelli equidistant from posterior margin of vertex and from tylus; front, disc broadly, strongly convex, much inflated and produced, extending slightly beyond and rounding back to vertex ; pronotum, disc transversely roughened in median line by a series of irregular depressions, median carina weak, lateral margins long, length equal to distance between ocelli and eyes; elytra broadly convex, costal area very broad, apex bluntly, acutely angulate. : thts Genitalia: Female pygofers long and narrow, length one-third © greater than width, outer margins tapering, exceeded by stout Ovipositor one-third their length. Male, last ventral segment strongly convex, length equal to basal width, narrowing apically, posterior margin sinuate with lateral angles produced style-like as long as the plates; plates subquadrate, fused, apex medially notched, lateral angles rounded. Color: Varying tawny, punctured with dark brown; anterior margin of vertex to tylus and median carina bordered with darker; | median carina from anterior margin of tylus across vertex and pronotum, and angles of scutellum broadly white; an interrupted, sometimes obscure, oblique band from apex of scutellum meeting at center on costa a similar band from the sutural apex of the clavus, grayish-brown; apical reticulations accentuated in deep brown. Distribution: Specimens have been examined from the New England States, New York, New Jersey, Ohio, Michigan, Ontario (Can.), Wisconsin, and Minnesota. It has been reported from Pennsylvania, Maryland, and West Virginia (Ball). Stonington, July, 1909 (G. H. H.); Orange, 30 June, 1o11 (S. N. Spring); Portland, 10 Aug., 1913, Rainbow, 30 June, 1914 (B. H. W.); Thompson, 31 July, 1914 (I. W. D.); New Haven, 26 June, 1915 (M. P. Z.); Brookfield, 27 June, ?(E. L. D.). A. irrorata Ball.* (Fig. 19, 17-20.) Aphrophora irrorata Ball. Proc. Ia. Acad. Sci., vi, 214, 1898. Large; color varying light tawny to dark rusty-brown, flecked with lighter; closely resembling parallela in size and coloration but with a much broader, shorter, more angulate vertex and a less strongly inflated front. Length 11-12mm.; width 3.5-4.5 mm. Vertex short, length on middle but slightly greater than at eye, disc flattened-depressed between weak median carina and broadly rounded anterior margin; tylus short, length equal to one-half width and equal to length of vertex behind it, but slightly pro- * Described from type specimens; male, “Squaw Canon, Sioux Co., Neb. 7-22-92,” female, “War Bonnet Canon, Sioux Co., Neb. 6-22-90.” No. 34.] | HEMIPTERA OF CONNECTICUT: CERCOPIDAE. 217 duced, disc elevated, flattened, median carina obscure; front, disc strongly convex, inflation moderate, less than in parallela; prono- tum, disc transversely, strongly depressed before middle, pos- teriorly elevated, carina weak except across depressed area, lateral margins short, distinctly divergent, posterior margin narrowly emarginate; elytra long and narrow, strongly convex, costal margins slightly expanded, apex sharply acutely angulate. Genitalia: Female pygofers short and convex, length but slightly greater than width, outer margins rounded to middle, thence narrowing to apex, exceeded by ovipositor one-third their length. Male, last ventral segment strongly convex, length less than basal width, narrowing apically, posterior margin laterally tooth-notched; plates broad, fused, parallel-margined, apex medi- ally excavated, leaving a rounded notch nearly half their depth, either side of which slightly diverging to acutely produced lateral angles. Color: Varying light tawny to dark rusty-brown; spot either side of tylus, median carina on tylus and vertex, anterior half of pronotum, and angles of scutellum, light; elytra deep tawny, flecked with lighter, sometimes forming obscure, oblique bands along suture on disc, and usually showing three light areas, separated by two darker ones along the costa. Distribution: Specimens have been examined from Colorado and Nebraska. A. permutata Uhler. (Fig. 19, 21-24.) St he tele permutata Uhler. List Hem. Colo. and N. Mex., 472, 1872 SS.). Se ihori permutata Uhler. List Hem. West Miss. River, Bull. U. S. Geol. Geog. Surv. Terr., v, 345, 1876 (Descrip.). Color varying tawny, elytra obliquely banded with dark brown; resembling trrorata, but with a more inflated front, the vertex more narrowly rounded before, and form in general narrower and more sharply angulate behind. Length 9-12mm.; width 3.5 mm. Vertex short, length on middle one-fourth greater than at eye, disc transversely depressed along suture with tylus, median carina weak, anterior margin narrowly rounded to tylus; tylus short. length equal to one-half width, slightly produced and rounded before, disc elevated laterally and anteriorly, median carina obscure ; front broad, disc strongly convex, moderately inflated and pro- duced anteriorly, forming an elevated right angle with vertex; pronotum, disc transversely depressed in anterior third, the depres- sion broken by sharp longitudinal ridges midway between median line and lateral margins, posteriorly elevated, carina weak except across depressed area, lateral margins short, slightly divergent ; scutellum deeply centrally depressed; elytral margins narrowly expanded on costa, apex sharply, acutely angulate. Genitalia: Female, last ventral segment broadly convex; pygofers and ovipositor stout and compact, coarsely pubescent ; 218 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. pygofers, length one-third greater than width, outer margins rounded, exceeded by ovipositor one-fourth their length. Male, last ventral segment weakly convex, length slightly less than basal width, narrowing apically; plates long, tapering processes, length one-half greater than basal width, outer margins sinuate, inner margins fused in basal third, thence attingent until just before black tips, where they narrow slightly and diverge. Color: Varying tawny, punctured with darker; spot either side of tylus, median carina throughout entire extent, anterior half of pronotum, and angles of scutellum, lighter; an oblique, broad band from scutellum to costal margin, another shorter and more obscure behind it, and a marginal spot at base of costa, dark brown variably margined with whitish. Distribution: Specimens have been examined from Washington, Oregon, Colorado, and Montana. It has been reported from Vancouver’s Island and Idaho (Ball), and from Utah (Uhler). A. saratogensis (Fitch). (PI. iv, 28.) (Fig. 19, 29-32.) Lepyronia saratogensis Fitch. Cat. Hom. N. Y., 53, 1851. Ptyelus detritus Walker. List Hom. Brit. Mus., 713, 1851. Ptyelus gelidus Walker. List Hom. Brit. Mus., 714, 1851. Color deep fulvous, a broadening median stripe from anterior margin of tylus to base of scutellum, and elytra obliquely banded with light; form narrow and elongate, front scarcely inflated, apex of elytra acutely angulate. Length 8.5-11mm.; width 3-4 mm. Vertex, length on middle one-third greater than at eye, disc elevated in median line, bluntly carinate, anterior margin from eyes to tylus nearly straight; tylus, length one-third width, disc flattened; front small, scarcely inflated, angle with vertex very acute; pronotum, disc weakly convex, transverse depressions before middle slight, carina weak except across depressed area, where it appears as a blunt elevation, lateral margins parallel; elytra long and narrow, costal margins scarcely reflexed, apex sharply, acutely angulate. Genitalia: Female pygofers long, length one-half greater than width, exceeded by stout ovipositor almost one-half their length. Male, last ventral segment very short, convex, laterally tooth- notched on posterior margin; plates subquadrate, fused, medially notched to one-third their depth at apex, outer margins produced, broadly rounded behind. Color: Varying fulvous to grayish-brown; vertex and prono- tum darker, with a broadening median light stripe from anterior margin of tylus to base of scutellum; elytra lighter, usually with distinct light bands running obliquely from the scutellum to costal margins, in obscurely marked specimens the banded area of the disc appearing mottled with light gray. Distribution: Specimens have been examined from the New England States, New York, Maryland, District of Columbia, No. 34.] HEMIPTERA OF CONNECTICUT: CERCOPIDAE. 219 Wisconsin, and South Carolina. It has been reported from North Carolina (Metcalf), and from Ontario (Can.), and West Virginia (Ball), while Walker’s species were from Nova Scotia and Florida. Poquonock, 27 June, 1905 (H. L. V.); New Haven, 14 July, 1910 (B. H. W.); Cornwall, 18 July, 1921 (B. H. W.); Portland, 25 July, 1920 (B. H. W.). A. annulata Ball.* (Fig. 19, 25-28.) Aphrophora annulata Ball. Proc. Ia. Acad. Sci., vi, 216, 1808. Color ochraceous, the elytra obliquely banded with deep chest- nut; resembling saratogensis, from which it should be distin- guished readily, however, by its lighter coloring, more heavily marked elytra, the absence of the light median stripe on the vertex and pronotum, and by the greater inflation of the front. Length - 10-II mm.; width 3.5-4 mm. Vertex, length on middle scarcely greater than at eye, disc slightly depressed between the median bluntly carinate elevation and the straight anterior margin between the eyes and tylus; tylus, length equal to one-half width and equal to length of vertex behind it, slightly produced and rounded before; front, disc strongly convex, moderately inflated and slightly produced, form- ing a large acute angle with vertex; pronotum, disc transversely, strongly depressed in anterior third, posteriorly elevated and broadly rounded, carina weak, lateral margins slightly divergent, posterior margin narrowly emarginate; scutellum deeply, centrally depressed ; elytra with costal margins reflexed anteriorly, the apex roundingly, acutely angulate. Genitalia: Female pygofers convex, scarcely longer than wide, outer margins diverging to middle, then abruptly cut off to form a rounded obtuse angle, ” exceeded by narrow ovipositor one-third their length, clothed with a coarse, golden pubescence. Male, last ventral segment convex, length one-half basal width, narrowing apically; plates broad at base, outer margins flaring, inner margin cut off obliquely nearly to base, leaving two widely divergent, black-tipped processes. Color: Ochraceous; median carina on vertex bordered with chestnut; pronotum pale, a broadening oblique stripe, sometimes obscure, from just before middle on either side of carina to basal angles of scutellum, deep chestnut; margins of scutellum pale; elytra with an oblique band from scutellum broadening to middle on costal margins, and another before claval apex, deep chestnut. Distribution: Specimens have been examined from New Hampshire, North Carolina, Colorado, Utah, and California. A. signoretii Fitch. Third Rep. Ins. N. Y., 70, 1856. Color tawny-brown varying to pale ochraceous, simulating * Described from type male specimen ‘‘Wasatch, Utah, 6-27-91 220 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. ‘[Bull. saratogensis in an indistinct median light stripe across vertex and pronotum and obscure oblique light bands on the elytra; general form slightly smaller, the vertex shorter, more broadly rounded before, and the front more inflated. Length 8.5mm.; width 3.5 mm. Vertex, length on middle scarcely greater than at eye, disc depressed somewhat lateral to weak median carina, anterior margin sharp to tylus; tylus, disc slightly elevated, broadly, obtusely rounded before; front, disc strongly convex, moderately inflated, forming a large acute angle with vertex; pronotum, disc flattened, strongly depressed before median line, slightly elevated posteriorly, carina weak except across depressed area, lateral margins parallel ; elytra moderately long, costal margins reflexed anteriorly, thence narrowing regularly to acutely angulate apex. Genitalia: Female, pygofers broadly convex, length one-third greater than basal width, exceeded by ovipositor, which does not reach apex of elytra, as in saratogensis. Male, last ventral segment twice length of that preceding, one-half longer than basal width, narrowing apically, disc convex; plates stout, forcep-like, outer margins rounding, inner margins obliquely divergent to black tips. Color: Varying tawny-brown; vertex darker on tylus; anterior half of pronotum and disc of scutellum lighter; traces of a median light stripe from anterior margin of tylus across vertex and pro- notum, traces of oblique bands from scutellum and claval apex toward costal margin; in general quite closely approximating an obscurely marked specimen of saratogensis from which it can be separated only by reference to specific structural characters, particularly the shape of the male plates. ) Distribution: It has been reported from New York and Ontario (Can.) (Ball), and from North Carolina (Metcalf). Lepyronia Amyot and Serville. Vertex, disc weakly convex, strongly sloping, length about equal to width between eyes, anterior margin rounding-rectangulate, apex produced; tylus large, length equal to width; ocelli about equidistant from tylus and pronotum, also about equidistant from eyes and each other; front broad, moderately inflated, acutely angled with vertex and slightly incurved before it, coarsely ribbed lateral to median line; rostrum two-jointed, reaching middle coxae; pronotum, disc weakly convex, sloping, anterior margin slightly rounded, variably depressed behind margin by transverse row of impressions, lateral margins divergent, carinate, length about equal to distance between ocelli, posterior margin deeply, roundingly emarginate; elytra coriaceous, broadly convex, costal margins expanded to middle, thence rounding regularly to acutely angulate apex; wings, with the third sector from the marginal No. 34.] HEMIPTERA OF CONNECTICUT: CERCOPIDAE. 221 one, forked, the intramarginal vein interrupted between the third and fourth sectors; dorsal surface clothed with a dense, prostrate, grayish-golden pubescence, obscuring the venation of the elytra; in female, last ventral segment reduced to two narrow plates lateral to median line. The members of this genus, while displaying a marked uni- formity in their globose forms, dense pubescence, and coloration of varying grays and browns, the elytra obliquely marked with fuscous, present, however, extreme variability in size (4.5- 9.5mm.), ranging from that of a Clastoptera up to that of an A phrophora. Key to Species. 1. Broader, more convex; color grayish-brown, or testaceous, fuscous markings on elytra indistinct or absent, vertex narrowly angulate, ROMMEL SECIS) otsl.2 1s So aicn ai elaiasgi owls aece\o.ere ASAI NSH. 5 Wisear a ERA: 2 Narrower, more elongate; color dusky-gray to deep tawny-brown, a distinct fuscous V on each elytron; vertex broadly angulate, Mares Ccolivesly rounding to apex .........6...46.. quadrangularis 2. Size large, 6.5mm. or more; globose; light grayish-brown, elytra PREC iAy Marked With) LUSCOUS 24 o6 ek ec cs ewe cules eid nies gibbosa Size small, not exceeding 5.5mm.; narrow; testaceous, apex of SEeECMUTIPCGYy SUD YValING. 6.0. 5. ce ess cc neces es aeeeestae angulifera L. quadrangularis (Say). (PI. iv, 31.) (Fig. 20, 33-36.) Cercopis quadrangularis Say. Jour. Acad. Nat. Sci. Phila., vi, 305, 1825. Color dusky-gray to deep tawny-brown, spot at base, spot at apex, and a V on the center of each elytron, fuscous; elongate, the costal margins narrowly expanded. Length 6-8.5 mm.; width 3-3.5 mm. Vertex, length slightly greater than that of pronotum, apex bluntly rounding; tylus distinctly slightly depressed, almost parallel-margined, length nearly equal to one-half that of vertex ; ocelli slightly nearer pronotum than to tylus, slightly nearer each other than to eyes; pronotum, length one-half width; elytra twice longer than wide, the costal margins narrowly expanded. Genitalia: Female pygofers, length equal to width, outer margins broadly rounded, exceeded by ovipositor by almost one-half their length. Male plates broad at base, equal to last ventral segment in width, length twice width, inner margins attingent, outer margins cut off obliquely at end of basal third, thence rounding to apex, the dorsal appearance that of a V-shaped trough. Color: Dusky-gray varying to deep tawny-brown; spots at base and apex, and a V on the center of each elytron, formed by the union of an oblique band from the scutellum to a point beyond middle of costa with another from the point of the clavus, fuscous Distribution: Specimens have been examined from the New England States, New York, Maryland, District of Columbia, North Carolina, Tennessee, Mississippi, Ohio, Ontario (Can.), Wiscon- sin, Minnesota, Iowa, Colorado, Nebraska, Indian Territory, and Hin) sees So Re Ee SL 79. : GALLO 2 Fic. 20. (33-36) Lepyronia quadrangularis Say,—(33) head, dorsal view, (34) head, lateral view, (35) male genitalia, (36) female genitalia. (37-41) Lepyroma gtibbosa Ball,—(37) head, dorsal view, (38) head, lateral view, (39) male genitalia, (40) same, lateral view, (41) female genitalia. No. 34.] | HEMIPTERA OF CONNECTICUT: CERCOPIDAE. 223 South Dakota. It has been reported from Pennsylvania, West Virginia, Georgia, and Florida (Ball). Yalesville, 19 Oct., 1903, Westbrook, 30 Aug., 1904 (H. L. V.); New Haven, 6 June, Green’s Farms, 24 June, 1904 (W. E. B.); Scotland, 30 July, 1904, Portland, 15 Aug., 1913 (B. H. W.); Stony Creek, 12 Aug., 1904 (P. L. B.); New Canaan, 5 Sept., 1914 (M. P. Z.); Brookfield, 27 July, ? (E. L. D.); North Haven, 4 June, 1917, Ansonia, 20 May, 1918, Kent, 10 May, 1918, Hamden, 18 May, 1919 (M. P. Z.). L. gibbosa Ball.* (Fig. 20, 37-41.) Lepyronia gibbosa Ball. Proc. Ia. Acad. Sci., vi, 219, 1808. Large, general form globose; color foggy-gray to light brown, simulating quadrangularis in the fuscous markings of the elytra; costal margins broadly expanded. Length 6.5-9.5mm.; width 3.5-5 mm. Vertex, length one-third greater than that of pronotum, apex rounding angulate; tylus distinct, slightly elevated, broad, length equal to that of vertex behind it; ocelli equidistant from tylus and pronotum, also equidistant from eyes and each other; elytra, length one-third greater than width, much wider than pronotum, costal margin deeply deflexed to middle, broadly expanded and narrowly reflexed throughout. Genitalia: Female pygofers broad and stout, length equal to width, outer margins obliquely angled, distinctly grooved from lateral margins of last ventral segment diagonally to apical third, slightly exceeded by ovipositor. Male, last ventral segment strongly convex; plates equally as convex and as broad at base, shining brown, nearly vertical, inner margins attingent, outer margins incurved slightly at basal third, thence rounding to acute apex. * Described from type male specimen labeled “Little Rock, Ia. Jy. 2-97”: and specimen labeled “Dismal River, Neb. July.” (42-45) Lepyronia angulifcra Uhler,—(42) head, dorsal view, (43) head, lateral view, (44) male genitalia, (45) female genitalia. (46-50) Philaenus spumarins Linnaeus.—(46) head, dorsal view, (47) head, lateral view, (48) male genitalia, (49) same, lateral view, (50) female genitalia. (51-55) Philaenus parallelus Stearns,—(51) head, dorsal view, (52) head, lateral view, (53) male genitalia, (54) same, posterior view, (55) female genitalia. (56-60) Philaenus lineatus Linnaeus,—(56) head, dorsal view, (57) head, lateral view, (58) male genitalia, (59) same, lateral view, (60) female genitalia. (61-63) Philaronia abjecta Uhler,—(61) head, dorsal view, (62) head, lateral view, (63) female genitalia. (64-67) Philaronia bilineata Say,—(64) head, dorsal view, (65) head, lateral view, (66) male genitalia, (67) female genitalia. (68-69) Clastoptera delicata Uhler,—(68) head, dorsal view, (69) head, lateral view. (70-73) Clastoptera proteus Fitch,— (70) head, dorsal view, (71) head, lateral view, (72) male genitalia, (73) female genitalia. (74-77) Clastoptera xanthocephala Germar,—(74) head, dorsal view, (75) head, lateral view, (76) male genitalia, (77) female geni- talia. (78-81) Clastoptera obtusa Say,—(78) head, dorsal view, (79) head, lateral view, (80) male genitalia, (81) female genitalia. (82-83) Philaenus parallelus Stearns,—(82) fore wing, (83) rear wing. All greatly enlarged. Drawing by L. A. Stearns. 224 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Color: Foggy-gray varying to light-brown; spot on margin before apex and a V, usually indistinct, on center of each elytron, formed (as in quadrangularis) by the union of an oblique band from the scutellum to a point beyond middle of costa with another from the point of the clavus, fuscous. Distribution: Specimens have been examined from Wisconsin, Nebraska, Iowa, and South Dakota. L. angulifera Uhler. (Fig. 20, 42-45.) Lepyronia angulifera Uhler. List Hem. West Miss. River, Bull U. S. Geol. Geog. Surv. Terr., v, 348, 1876. This species is distinguished readily from the two preceding by its small size, rather narrow form and almost uniform testaceous coloring. Length 4.5-5.5mm.; width 2.5 mm. Vertex, length about equal to that of pronotum, one median and two lateral spots before posterior margin, and area at suture with tylus depressed, margins between eyes and tylus somewhat reflexed; tylus indistinct, parallel margined, length one-half that of vertex; ocelli equidistant from tylus and pronotum, also equi- distant from eyes and each other; pronotum, length one-half width; elytra, length equal to width across costal margins, disc of corium inflated. Genitalia: Female pygofers, length equal to width, outer margins rounded, exceeded by ovipositor one-third their length. Male plates broad at base, convex, shining brown, length.twice width at middle, inner margins attingent, outer margins obliquely cut off at end of basal third, thence rounded to blunt apex. Color: Deep testaceous; the indistinct transverse band often reduced to a spot on middle of costal margins; elytra beyond clavus grayish to subhyaline; iridescent from the pubescence. Distribution: Specimens have been examined from North Carolina. It has been reported from Florida (Ball), and from Maryland and New Jersey (Uhler). | Philaenus Stal. Vertex, disc slightly convex, sloping in line with pronotum, longer on middle than against eye, greater than one-half length of pronotum, anterior margin obtusely or slightly acutely angulate, between eyes and tylus deeply sulcate and somewhat reflexed; tylus deeply inserted, anterior margin rounding, lateral margins slightly elevated, depressions lateral to weak median carina; ocelli placed close to posterior margin of vertex; front broad, acutely angled with vertex, inflation a slight curve, disc flattened, laterally coarsely ribbed with brown; rostrum short and stout, composed of two equal segments, not exceeding middle coxae; pronotum, disc weakly convex, sloping, with or without a weak median carina, anterior margin rounding angulate, lateral margins short, parallel, equal to or less than distance between ocelli, weakly cari- No. 34. ] HEMIPTERA OF CONNECTICUT: CERCOPIDAE. 225 nate, posterior margin deeply emarginate; elytra coriaceous, twice longer than wide, parallel-margined or convex; wings, with the third vein from the marginal vein either forked or entire; dorsal surface closely and finely punctate, and clothed with a short, pros- trate pubescence; male plates curved dorsally at nearly right angles to abdomen. Key to Species. 1. Elongate; elytra nearly parallel-margined; anterior margin of sronotum broadly rounded; color constant ..........0...is000. 2 Broad and short; elytra strongly convex; anterior margin of pro- notum nearly angulate; color variable .................. spumarius 2. Size large, 8mm. or more; pale yellow, conspicuous stripe from anterior margin of tylus, medially across vertex and pronotum, and along suture of elytra to apex, dark brown to black ..parallelus Size small, not exceeding 6.5mm.; pale yellow, stripe wanting lineatus P. spumarius (Linnaeus). (Fig. 20, 46-50.) Cicada spumaria Linnaeus. Faun. Suec. (2d ed.), 240, 881, 1761. Ptyelus albiceps Provancher. Nat. Can. iv, 351, Hemip. du Can., 258. Philaenus lineatus Provancher. Hemip. du Can., 258. Philaenus spumarius Ball. Proc. Ia. Acad. Sci.,; vi, 224, 1898. Broad, convex; elytral margins distinctly rounded; head broad and short; color variable. Length 5.5-6mm.; width 2-2.5 mm. Vertex short, length equal one-half width, and equal to one-half length of pronotum, anterior margin obtusely angled; tylus broader than long, twice length of vertex behind it; ocelli equi- distant from eyes and each other; pronotum with slight depres- sions in anterior portion of disc, anterior margin nearly angulate, lateral margins less than distance between ocelli; elytra with costal margins strongly convex, reflexed before middle; wings with the third vein from the marginal one forked before the apex. Genitalia: Female, last ventral segment deeply incurved in median line; pygofers slightly broader than long, outer margins rounded, exceeded by the short ovipositor by one-half their length. Male, last ventral segment three times length of preceding; plates broad at base, width here equal to that of last segment, length twice width, inner margins attingent, outer margins tapering to tip. Color: This species is exceedingly variable in color, presenting forms which range from pale yellowish white to almost jet black, as described under the following color varieties. P. spumarius var. ustulatus (Fallen). Grayish-brown; vertex and anterior half of pronotum tawny- yellow; a large spot on the costal margin of the elytra, another slightly smaller and posterior to this, light. P. spumarius var. fasciatus (Fabricius). Vertex and anterior half of pronotum yellow; remainder of pronotum and elytra dark-brown, with the exception of two large transverse white spots, one anterior and the other posterior to 8 226 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. middle of costal margins, the latter sometimes reaching the claval apex. P. spumarius var. leucopthalmus (Linnaeus). Entirely dark brown or black. P. spumarius var. lateralis (Linnaeus). Black; a broad, light stripe on costa. P. spumarius var. leucocephalus (Linnaeus). Dark brown or black; vertex and anterior half of pronotum yellow. P. spumarius var. marginellus (Fabricius). Black; vertex and anterior half of pronotum, and a stripe on costal margins of elytra, yellowish white. P. spumarius var. lineatus (Fabricius). Yellowish-white ; a median stripe arising sometimes on point of vertex, sometimes on pronotum, and extending to apex of clavus, and a stripe on corium parallel with this, black. P. spumarius var. pallidus (Zetterstedt). Pale yellowish white. Distribution: Specimens have been examined from the New England States, New York, and from Ontario and Quebec (Can.). It has been reported from Nova Scotia (Ball), from North Caro- ‘lina (Metcalf) ; and in Europe it has a wide distribution with an even larger number of recognized varieties. Specimens have been examined of the varieties fasciatus, lineatus, and pallidus from “Waterloo, Belgium, 8-’10,” of the variety pallidus from “Edin- burgh, Scotland, 8-19-’12,”’ and of the variety ustulatus from “Dalmatia, Saloni, 8-23-’10.” P. parallelus Stearns.* (Fig. 20, 51-55: 82-83.) Ent. News, xxix, 3, 1918. Readily distinguished from spumarius by its elongate form, and from lineatus by its larger size and distinctive coloring, as men- tioned in the key to species. Length 8-1omm.; width 2.5-3 mm. Vertex, length slightly greater than two-thirds width, medially weakly carinate, laterally depressed; ocelli equidistant from each other and from posterior margin of tylus; pronotum medially weakly carinate, anterior margin broadly rounded, lateral margins equalling distance between ocelli; elytra nearly parallel-margined. Genitalia: Female, last ventral segment one-half length of pre- ceding, convex; pygofers broad, length equalling combined basal width, outer margin incurved throughout basal third and indented at middle, exceeded by stout ovipositor one-half their length. Male, last ventral segment twice length of preceding, convex; plates long, broad at base, laterally extended here to one-half * Described from type specimens; male “Medina, Wisc., 23 Aug., 1916, female “St. Croix Falls, Wisc., 15 Aug., 1916. No. 34.] | HEMIPTERA OF CONNECTICUT: CERCOPIDAE. 227 width of last segment, obtusely notched to one-half basal width at end of basal third, thence tapering to tip as cylindrical processes ; black, sparsely clothed with white hairs. Color: Pale yellow; stripe from anterior margin of tylus, medially across vertex and pronotum, and along suture of elytra to apex, stripe extending from eye across lateral margins of pro- notum, following and fading out posteriorly along outer sector of elytron, and sulcate anterior margin of vertex, dark brown to black. Distribution: Wisconsin (Medina and St. Croix Falls). P. lineatus (Linnaeus). Grass spittle bug. (Pl. iv, 29.) (Fig. 20, 56-60. ) ; Cicada lineata Linnaeus. Faun. Suec., 241, 888, 1761. Cicada abbreviata Fabricius. Ent. Syst., iv, 36, 41, 1794. Ptyelus basivitta Walker. List Hom. Brit. Mus., 722, 37, 1851. Small, narrow; head long, angulate; color pale yellow; costa with a light stripe just within which is a black one, which becomes indistinct on posterior half of elytron, black spot of variable extent on suture posterior to apex of clavus. Length 4.5mm.; width 1.5-2 mm. | Vertex, length equal to two-thirds width, and equal to length of pronotum, nearly right-angled before; tylus narrow, length slightly greater than basal width, and greater than length of vertex behind it; ocelli equidistant from each other and from eyes; pro- notum with slight depressions in anterior portion of disc, anterior margin broadly rounded, lateral margins less than distance between ocelli; elytra nearly parallel-margined. Genitalia: Female pygofers in length equal to basal width. narrowing apically, exceeded by ovipositor one-half their length. Male plates, length three times width, broad at base, laterally extended here to one-half width of last ventral segment, inner margins attingent, outer margins slightly narrowing to beyond middle, then widening to form an obtuse outward angle, thence incurved to blunt tip. Color: Pale yellow; stripe extending from eye across lateral margins of pronotum, following and fading out posteriorly along outer sector of elytron, and a spot on suture posterior to apex of clavus, sometimes continued around apex of elytra, black. Distribution: Specimens have been examined from the New England States, New York, and Ontario and Quebec (Can.). It has been reported from St. John, N. B. (Ball). This species, as well as spumarius, is widely distributed in Europe, and a number of specimens have been examined collected at “Edinburgh, Scotland, 19 August, 1912.” Scotland, 27 July, 1904, Rainbow, 30 July, 1914 (B. H. W.); Salisbury, 30 Aug., 1904 (W. E. B.) ; New Haven, 30 July, 1914 (Q. S. L.); 21 Aug, 1909, 20 May, 1921 (B. H. W.); 9 Nov., 1920 (P. G.); Branford, 2 July, 1918, Cornwall, 10 Aug., 1918 (B. H. W.). 228 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. _[Bull. Philaronia Ball. Vertex, disc convex, sloping in line with pronotum, length on middle twice that against eye, surface roughened, anterior margin almost rectangulate, between eyes and tylus deeply sulcate and somewhat reflexed; tylus rounded anteriorly, lateral margins slightly elevated, depressions lateral to weak median carina; ocelli placed close to posterior margin of vertex; front inflated, slightly anteriorly produced, acutely angled with vertex, disc convex, coarsely ribbed lateral to median line; rostrum short and stout, two-jointed, reaching middle coxae; pronotum, disc convex, sloping, anterior margin broadly rounded, lateral margins short, divergent, equal to less than distance between ocelli, weakly cari- nate, posterior margin emarginate; elytra coriaceous, parallel- margined or convex, twice longer than wide, costal margins sinuate, reflexed before middle, “venation irregular, ramose, the two veins on the corium forking to form discoid cells, which are broken up posteriorly to form an irregular network, which occupies the entire apical portion of the elytra”; dorsal surface closely and finely punctate, sutural lines and venation usually obscured by short, dense, yellow pubescence; genitalia curved dorsally to approximate elytral suture at apex. | This genus, of but two species, was described by Dr. Ball when he founded it, as composed of “stout, heavy-set, somewhat globose forms of moderate size, having the form and dense hairy covering of a Lepyronia together with the sulcate vertex of a Philaenus and a ramose venation, which is quite distinct from the type of either genus.” Key to Species. Stout, compact; elytra broadly convex; color constant, reddish BROW! ois. PEs ee LSGE Fa ab niga ie Chlule be oe eee ae ee rr abjecta P. abjecta (Uhler). (Fig. 20, 61-63.) Philaenus abjectus Uhler. List Hem. West Miss. River, Bull. U. S. Geol. Geog. Surv. Terr., v, 346, 1876. Lepyronia angulifera Gillette and Baker. Hem. Colo., 71, 1895. General form as mentioned in the key to species; width across costal margins of elytra one-third greater than at eyes; color reddish brown, vertex and pronotum lighter. Length 5.5 mm.; width 2.5-3 mm. Vertex, length slightly greater than one-half width and almost equal to length of pronotum behind it; tylus broadly rounded before, length equal to width and greater than length of vertex behind it; ocelli equidistant from eyes and each other; front inflation and angle with vertex greater than in bilineata; prono- tum, disc strongly convex, depressed in median line, entire anterior third more or less depressed by a transverse row of pits, posterior margin narrowly emarginate; elytra broadly convex, costal margins strongly curved; pubescence coarse. No. 34.] | HEMIPTERA OF CONNECTICUT: CERCOPIDAE. 229 Genitalia: Female, last ventral segment convex, one-half length of preceding; pygofers short, stout, outer margins broadly curved, exceeded by broad ovipositor one-third their length. Male, last ventral segment convex, larger than preceding; plates broad at base, vertical, wedge-shaped, apically rounded; male structures in toto more compact than in bilineata. Color: Reddish-brown; vertex and anterior third of pronotum often varying to tawny, with a coarse, long, golden pubescence; remainder of pronotum and elytra deep reddish brown, the costal margins and a larger, obscure area near apex, lighter. Distribution: Specimens have been examined from Colorado, Nebraska, and North Carolina. It has been reported from South Dakota (Ball). P. bilineata (Say). (Fig. 20, 64-67.) Aphrophora bilineata Say. Jour. Acad. Nat. Sci. Phila., vi, 804, 1831. Philaenus lineatus Uhler. List Hem. West Miss. River, Bull. U. S. Geol. Geog. Surv. Terr., v, 347, 1876. Philaenus lineatus Gillette and Baker. Hem. Colo., 70, 1895. Philaenus americanus Baker. Can. Ent., xxix, v, 112, 1897. Form narrower and more elongate than that of the preceding species ; width across costal margins of elytra slightly greater than at eyes; color clay-yellow variably marked with fuscous. Length 5-7mm.; width 2-2.5 mm. Vertex long, length on middle two-thirds width and greater than length of pronotum behind it; tylus narrowly rounded before, length greater than width and equal to length of vertex behind it; ocelli slightly nearer each other than eyes; pronotum, disc flat- tened, weakly convex, two depressed spots lateral to weak median longitudinal depression, posterior margin broadly emarginate; elytra long, parallel-margined, broadly rounded behind. Genitalia: Female, last ventral segment short, anteriorly strongly incurved in median line; pygofers, length equal to width, outer margins obtusely angled, exceeded by ovipositor one-third their length. Male, length of last ventral segment twice that of preceding, strongly convex, shining; plates vertical, over twice longer than their basal width, inner margins attingent, outer margins strongly sinuate and narrowing from base to small black tips. Color: Typically clay-yellow variably clouded with fuscous ; two longitudinal stripes enclosing a lighter one from anterior margin of tylus medially across vertex and pronotum, and along suture of elytra sometimes to apex, stripe extending from eye across lateral margin of pronotum, slightly inside of outer sector of elytron and fading posterior to middle, sulcate anterior margins of vertex above and below, fuscous; costal margins of elytra dusky white. Two extremes in coloration occur, linked to the typical form bilineata by a complete series of gradational variations, for which I propose the following variety names: 230 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. P. bilineata var. infuscatus Stearns, n. var.* Vertex, pronotum and scutellum varying from deep clay-yellow to light fuscous with a median light stripe; in either case, anterior two-thirds of disc of elytra deep fuscous to black, costal margins narrowly and apical areas broadly, white. P, bilineata var. pallidus Stearns, n. var.* Pale straw-yellow; transverse ribs on front, sulcate anterior margin of vertex above and below, and lateral margins of pronotum, light brown. Distribution: Specimens have been examined from Maine, Massachusetts, New Hampshire, Connecticut, Ontario and Mani- toba (Can.), Iowa, Colorado, Wisconsin, North Dakota, South Dakota, Montana, and Wyoming. It has been reported from Idaho and Nebraska (Ball). The variety forms described as new were taken in Wyoming, Colorado, and Wisconsin localities only. Brookfield, 27 July, ? (E..L. D.); Thompson, 4 Aug (Ale ai Rainbow, 27 Sept., 1922 (P. G.) Clastoptera Germar. The members of this genus in the development of the hind tibiae and the structure and venation of the wings present a high degree of specialization over those preceding; and in the increased free- dom of the anterior coxae and the possession of a terminal mem- brane to the corium approximate the more generalized forms of the Heteroptera. Form small, globose; extremely variable in size and color markings; head much wider than long, deflected before; vertex sloping, narrow, length on middle about one-third that between eyes, slightly transversely depressed between eyes and lateral to suture with tylus, anterior margin regularly rounded; ocelli placed midway between anterior and posterior margins of vertex; eyes broad, outer and posterior margins sparsely pubescent; front broadly, deeply inserted into vertex, lateral margins of insertion roundingly divergent, disc convex, inflated, polished, not longitudi- nally carinate; antennae inserted in deep cavities between eyes and front, the basal enlargement not extending outside the cavity; rostrum short, composed of two segments, usually but slightly exceeding the middle coxae; pronotum sloping, trapezoidal, broader than long, disc convex, transversely wrinkled, anterior margin broadly rounded, sometimes slightly produced between the eyes, lateral margins short, divergent, rounding back to recurved humeral margins, posterior margin deeply emarginate; scutellum triangular, convex at base, pointed at apex, narrow, length slightly greater than that of pronotum before it; hemelytra narrowly to broadly convex, deflected posteriorly, apices overlapping perpendic- * Type in author’s collection. No. 34.]| © HEMIPTERA OF CONNECTICUT: CERCOPIDAE. 231 ularly, the apex varying from rounding to acutely angulate, clava apex broadly rounded, corium hyaline with a broad terminal mem- brane, surface clothed sparsely with a fine short pubescence, usually an oval callous dot on margin before apex ; posterior tibiae with a single terminal row of spines. The genitalia of the species in this genus possess so many points of similarity that a single description inclusive of their general characteristics should prove sufficient in connection with the illus- trations, Figure 20 (72, 73, 76, 77, 80, 81), which cover in detail any minute specific differences. female pygofers short and con- vex, length about equal to greatest width, outer margin rather broadly rounded at base, abruptly indented before apex, exceeded but slightly by the ovipositor, which is carried perpendicular to the. plane of the body. Male, last ventral segment very short and convex, outer margins expanded, inner margins attingent to before apex, where they diverge slightly to form rounded lateral angles ; males usually smaller and more sombre colored than the females. Key to Species.* 1. Hemelytra broadly convex, lateral margins broadly expanded, a distinct callous spot on margin before roundingly angulate apex; UME RTM RA SETS MEE ehh da bate, Wi cies he ie win se, ning, aah ahinesyes etme lava ac Bore 2 Hemelytra narrowly convex, lateral margins scarcely expanded, apex acutely angulate, callous spot on margin before apex indis- tinct or wanting; color uniform straw-yellow varying to pale rufous; size medium to large, length exceeding 4mm. ...... osborni 2. Front strongly inflated, disc sharply, rounded convex, rising PIM ME OHI PACE) AUISIGCS ys Ja) eee Meee wkd MAbs we nthe @oleidu bees 3 Front moderately inflated, disc broadly flattened-convex, rising RARE MI EHONTY LACE: ALY SIGGS) 9 vo bias saa ald os owe ein’ vale elt eidie Ga ma 4 3. Front more strongly inflated, entirely black or yellow with trans- verse interrupted black bands above, dark below; pronotum yellow, marked with five transverse black bands, or unicolorous he Gao cake Said eeu wilele thw aces Use bRA chee a we delicata Front less strongly inflated, upper two-thirds black, the margin next to vertex narrowly yellow, lower third, lorae, and clypeus yellow; pronotum black varying to yellow ................ proteus 4. Size small, not exceeding 3.5mm.; color uniform above, black varying to glaucus; hemelytra strongly impunctured, sparsely 8 TS TSOE Ge De SSR Slee okra Wer a a Me nD Tae Tee xanthocephala Size large, 4mm. or over; color above varying brown, marked with light testaceous and dusky white; hemelytra minutely im- Pemcrured, thickly, finely pubescent ...0..... 0c det weet eee obtusa C. osborni Gillette and Baker. Clastoptera osborni Gillette and Baker. List Hem. Colo., 71, 1895. Clastoptera obtusa Say. Subsp. iii. osbornit Ball. Proc. Ia. Acad. Sci. vol. iii, 190, 1895. Straw-yellow varying to pale rufous, pronotum and clavus tinged with pale olive-green; hemelytra narrowly convex, lateral margins scarcely expanded, apex acutely angulate; size medium to large. Length 4.5-5 mm.; width 2-2.5 mm. * Modeled somewhat after Ball. 232 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Vertex very slightly transversely depressed, length at middle equal to that at eyes, anterior margin carinately elevated, a dis- tinct circular brownish yellow depression between ocellus and eye on either side; ocelli equidistant from eyes and each other; front moderately inflated, disc’ broad, flattened-convex, transverse rib- bing interrupted in median line by slight longitudinal depression ; pronotum three-fourths wider than long, disc strongly convex, distinctly transversely wrinkled, two distinct pits behind elevated anterior margin near median line, lateral to which and directly posterior to inner angles of eyes are two circular brownish yellow spots; scutellum darker; hemelytra narrowly convex, lateral margins scarcely expanded, apex acutely angulate, finely, densely punctured, and clothed with a fine, thickly set pubescence; under surface straw-yellow, spurs and spines only of tibiae and tarsi tipped with black. Distribution: Specimens have been examined from Colorado, New Mexico, Wisconsin, and Ohio. It has been reported from West Virginia and the District of Columbia (Ball). C. deheata Whler. (Pig. 20, 68-60. ) Clastoptera binotata Uhler. Mss. Clastoptera delicata Uhler. List Hem. Reg. West Miss. River, Bull. U. S. Geol. Geog. Surv. Terr., v, 348-9, 1876. Clastoptera delicata Ball. Proc. Ia. Acad. Sci., vol. iii, 184-6, 1895. Clastoptera delicata Ball. Subsp. i. lineata, var. a and var. b. Clastoptera delicata Ball. Subsp. ii. binotata. Clastoptera lineatocollis Stal. ? Eng. Resa. Omk. Jord., iv, 285-6, 1858. Color pale greenish-yellow varying to black; closely resembling proteus in form, but with the front more strongly inflated; two circular yellow depressions on vertex near eyes; pronotum yellow marked with five transverse black bands (var. lineata), or uni- colorous black (var. binotata) ; size variable. Length 3.5-4.5 mm. ; width 2-2.5 mm. C. delicata var. (i) lineata Ball. Vertex slightly depressed transversely in median line, depres- sions lateral to tylus reaching entirely across it, a distinct, circular, yellow depression midway between ocellus and eye on either side, anterior margin carinately elevated, bordered from eye to eye with black; eyes margined behind with black; ocelli equidistant from eyes and each other; front strongly inflated, disc sharply, rounded convex, rising abruptly from face at sides; face entirely black (subvar. b), yellow above, transversely marked with interrupted black bands, dark below, lorae yellow, spotted with black below eye and at antennal insertion (subvar. a); pronotum strongly, transversely wrinkled, yellow, transversely marked with five, slightly impressed, narrow black bands, interrupted before lateral margins, anterior margin rather broadly black, posterior margin very deeply emarginate; scutellum yellow, variably obscured by irregular dark fuscous markings; hemelytra with claval margin No. 34.] .HEMIPTERA OF CONNECTICUT: CERCOPIDAE. 233 and veins strongly elevated and accentuated with pale whitish yellow, the enclosed areas light fuscous (subvar. a), or clavus entirely fuscous (subvar. b), inner claval margin at base, costal margin near base and beyond middle, short oblique stripe on disc, sinuous band enveloping corium anteriorly and reaching to the prominent black callous spot on margin before apex, dark fuscous ; dorsal surface varyingly punctate, clothed with a short, sparse, yellow pubescence; undersurface and legs yellow, marked with dark piceous; legs with spurs and spines stout. C. delicata var. (11) binotata Ball. Black; a distinct circular yellow depression on vertex between ocellus and eye on either side, a small spot at middle on costal margins, and the tibiae variably spotted with creamy white. Distribution: Specimens have been examined from Colorado. It has been reported from California and Arizona (Ball), and from Utah (Uhler). Considerable difficulty is experienced in dealing with this species due to the extreme variability in both size and coloration. As Dr. E. D. Ball (1895) stated, “Uhler’s description is an absolutely perfect one for var. i. lineata subvar. a, but would apply only slightly to subvar. b, and would absolutely exclude var. 11 binotata.” I have no hesitancy in agreeing with Mr. E. P. Van Duzee (1912) in his conclusion that “C. lineatocollis Stal is certainly a distinct species and not a variety of C. obtusa (Say) as stated by Dr. Ball.” After a careful study of available material it seems highly probable that the description lineatocollis refers to those forms included by Uhler and Dr. Ball under the name of delicata Uhler, in which case the latter name must be supplanted under the law of priority. However, due to the noticeable vagueness of Stal’s description in certain instances and the insufficiency of material at hand, it seems inadvisable to make such a change in nomenclature at present; and I am including limeatocollis therefore as a questionable synonym of delicata, and have appended hereto the original description of lineatocollis for facility of comparison. ORIGINAL DEscrIPTION oF C. lineatocollis Stal. Eugenies Resa, Omkring Jorden iv, 285-6, 1858. Dilute sordide flavescens, lineis transversis capitis thoracisque, fascia indistincta laterali pone medium antice a fascia albida terminata, callo apicali nervisque apicis hic illic tegminum, vitta femorum maculisque tibiarum fuscis. Female, length 4mm.; width 2.5 mm. C. lineatocollis Stal. Ofv. af K. Vet.-Ak. Forh. p. 253, 1854. Pamias (al (S: t Francisco). Caput dilute flavescens, verticis marginibus basali et apicali lineisque transversis frontis apicem versus longitrorsum impressae nigrofuscis. Thorax postice profunde angulatosinuatus, medio longitrorsum carinatus, dilute flavescens, lineis pluribus transversis fuscis ornatus. Scutellum flavescens, ante medium vitta fusca, ut littera S fere formata, utrimque ornatum. Tegmina latitudine vix duplo longiora, sordide flavescente- pellucida, medio fascia antrorsum angustata et abbreviata albida, anterius 234 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. a linea, postice a fascia indistincta fuscis terminata, callo rotundata fere apicali ad marginem costalem nervisque apicalibus hic illic fuscis. Subtus nigro-varia. Pedes dilute flavescentes, vitta femorum maculisque tibiarum nigro-fuscis. C. proteus Fitch. (PI. iv, 30.) (Fig. 20, 70-73.) Clastoptera proteus Fitch. Cat. Hom. N. Y., 54, 55, 1851. Clastoptera proteus Fitch. Sub-species flavicollis. Clastoptera proteus Fitch. Sub-species cincticollis. Clastoptera proteus Fitch. Sub-species maculicollis. Clastoptera proteus Fitch. Sub-species nigricollis. é Clastoptera proteus Fitch. var. vittata Ball. Proc. Ia. Acad. Sci., iii, 186, 1895. Clastoptera pint Fitch. Cat. Hom. N. Y., 53, 1851. Clastoptera saint-cyri Provancher. Nat. Can., iv, 351, 1872. Black, often conspicuously marked with bright yellow; front strongly inflated, disc sharply rounded convex, rising abruptly from face at sides, without transverse striae, upper two-thirds black, lower third yellow; size medium to large. Length 3.5-4mm.; width 2-2.5 mm. Vertex very slightly depressed transversely, anterior margin not distinctly carinated; ocelli nearer each other than eyes; front strongly inflated, disc sharply rounded convex, rising abruptly from face at sides, upper two-thirds black, lower third, lorae, and clypeus yellow, a medium black dot on clypeus; abdomen black or fuscous, legs bright yellow, a lateral line on femur, one on each side of tibia, tarsal segments and last segment of rostrum, black; pronotum indistinctly wrinkled transversely, anterior margin but slightly produced between the eyes; hemelytral margins broadly, regularly rounding from base to apex. New Haven, 4 July, Putnam, 12 July, West Thompson, 12 July, Cole- — brook, 21 July, 1905 (H. L. V.); Windsor, 26 July, 19005 (W. E. BB): Portland, 14 July, 1914, Hamden, 15 July, 1918 (M. P. Z.). C. proteus var. saint-cyri Provancher (flava Ball 1895). Anterior two-thirds of clavus yellow; scutellum with a yellow spot, or black. Distribution: Specimens have been examined from Maine, New Hampshire, Massachusetts, Connecticut, New York, Pennsylvania, District of Columbia, Ohio, Wisconsin, Arkansas, Colorado, Cali- fornia, and Ontario and Quebec (Can.). It has been reported from North Carolina (Metcalf). Brookfield, 27 July, : (E. L. D.). C. proteus var. vittata Ball. Clavus yellow with an oblique black vitta through the middle; pronotum variable, with one yellow band anteriorly, with two yellow bands anteriorly, or entirely yellow. Distribution: Specimens have been examined from Maine, New Hampshire, Massachusetts, Wisconsin, and Ohio. C. proteus var. pini Fitch. (migra Ball 1895). Clavus entirely black; anterior margin of pronotum narrowly, No. 34.] HEMIPTERA OF CONNECTICUT: CERCOPIDAE. 235 vertex and front next to vertex more broadly banded with yellow, or yellow bands wanting, entirely black above, legs darker. Broadly hyaline margin of elytra interrupted behind middle of clavus with darker. Distribution: Specimens have been examined from Maine, New Hampshire, Massachusetts, Connecticut, New York, District of Columbia, Ohio, Wisconsin, and Ontario and Quebec (Can.). It has been reported from West Virginia and Pennsylvania (Ball). Brookfield, 27 July, ? (E. L. D.). C. xanthocephala Germar. (Fig. 20, 74-77.) Clastoptera xanthocephala Germar. Zeit. fur die Ento., 1-189, 1839. Small; size and coloration relatively constant; dark brown or black above varying to glaucus, usually a small white spot on center. of costa; front moderately inflated, disc broadly convex, light above, transversely marked with a broad light band. Length 2.5-3.5mm.; width 1.5-2.5 mm. Vertex not strongly depressed, suture with front indistinct; ocelli equidistant from eyes and each other; front with disc more broadly convex than in proteus, moderately inflated; pronotum with a large number of fine indistinct transverse wrinkles, anterior _ margin narrowly rounded and considerably produced between the eyes; hemelytra less convex than in proteus, strongly impunctured, very sparsely pubescent, margins narrowly rounding, divergent to apical third, thence abruptly cut off to apex, forming a lateral obtuse angle. Color: Typical form dark brown or black above, a small white spot on center of costal margin; anterior margin of vertex lighter ; front above light, transversely marked with interrupted brown bands, a broad band below these and the greater portion of clypeus dark brown to black, the included portions of front and clypeus, and lorae, margin of anterior coxal fossae, yellow ; abdomen black, legs varying light brown to black, spurs and spines tipped with black. C. xanthocephala var. glauca Van Duzee. Pale glaucus or grayish above. Distribution: Specimens have been examined from Massa- chusetts, Tennessee, Mississippi, North Carolina, South Carolina, Maryland, District of Columbia, Ohio, Georgia, Texas, Louisiana, Indian Territory, Arizona, Arkansas, and Maine. It has been reported from Florida, Virginia, Pennsylvania and Iowa (Ball). C. obtusa (Say). Alder spittle bug. (Fig. 20, 78-81.) Cercopis obtusa Say. Jour. Acad. Nat. Sci. Phila., iv, 339, 1825. Clastoptera achatina Germar. Zeitschr fur die Ent., i, 187, 1830. Clastoptera testacea Fitch. Ninth Rep. St. Ent. N. Y., 393, 1851. Clastoptera obtusa Ball. Proc. Ia. Acad. Sci., vol. iii, 188-91, 1895. Clastoptera obtusa Ball. Subsp. i. obtusa Ball. Large, oblongate; color varying brown, marked with light 236 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. testaceous and dusky white; front moderately inflated, disc broad, flattened-convex, light above, marked with nine transverse, inter- rupted, dark brown bands. Length 4-4.5mm.; width 2-2.5 mm. Vertex very strongly transversely depressed in median line, anterior margin prominently carinate; ocelli situated near anterior margin, about equidistant from eyes and each other; front moder- ately inflated, disc broad, flattened-convex, obtusely angulate with vertex, light above, marked with nine, transverse, interrupted, dark brown bands, dark below, sometimes with a transverse light band; pronotum broad, disc slightly depressed behind elevated anterior margin, with numerous, minute, distinct wrinkles; hem- elytra minutely impunctured, clothed with a fine thick pubescence, lateral margins but slightly divergent, abruptly cut off apically; under surface black; legs stout, black variably marked with lighter. C. obtusa var. obtusa Ball. Coloration very variable so that two extremes may be found: (1) Dark; a distinct, oblique light band from scutellum to beyond middle on costal margins, which are narrowly white before; scutel- lum varying light to dark brown; vertex light, anterior margin from eye to eye darker; pronotum dark posteriorly, anterior two- thirds lighter, the anterior margin and a transverse band, brown. (2) Light; same markings as above, only much lighter and less distinct. Distribution: Specimens have been examined from Maine, New Hampshire, Vermont, Massachusetts, Connecticut, New York, Pennsylvania, Maryland, District of Columbia, North Carolina, South Carolina, Tennessee, Ohio, Wisconsin, Minnesota, Iowa, Illinois, Kansas, Colorado, and California. It has been reported from West Virginia and Ontario (Can.) (Ball). Yalesville, 19 Oct., 1903; Sachem’s Head, 1 Aug., 1904; New Haven, 4 Aug., 1904; Poquonock, 27 June, 1905 (H. L. V.); Scotland, 30 July, 1904; Canterbury, 14 Aug., 1905, Poquonock, 27 June, 1905, New Haven, 27 Aug., 1906, North Haven, 15 July, 1910 (B. H. W.); Westville, 15 July, 1905, New Canaan, 14 Sept. 1905 (W. E. B.); East River, 6 Aug., 1908 (C; RJ E.);. Brookfield; 27 July, (°° (& ED); Winnipauk, 4 Aug., ? Kent, 10 Aug., 1918, New Canaan, 11 Sept., 1914 (M. P. Z.); New Haven, Ty June, 1922 (P_'G.). C. obtusa var. achatina Germar. : Dark, dorsal color markings absent; head, pronotum, and scutellum fulvous; hemelytra varying fuscous, apical nervules accentuated; front below and clypeus banded with light transversely. | Distribution: Specimens have been examined from Pennsyl- vania, Ohio, Indiana, and Wisconsin. Brookfield, 27 July, ? (E. L. D.); New Haven, 7 Sept., 1922 (P. G.). C. obtusa var. testacea Fitch. This particular form is unknown to me, and, following the No. 34.] HEMIPTERA OF CONNECTICUT: CERCOPIDAE. 237 custom adopted by Dr. Ball and other workers on this family, I have considered it as a variety form of obtusa and appended the original description hereto. “Testaceous; scutel rufous; elytra with a polished callous-like black dot near the apex. Length 0.20 inches.” Distribution: It has been reported from New York (Fitch), and from West Virginia, District of Columbia and New Jersey (Ball). Rainbow, 27 Sept., 1922 (P. G.). Under delicata Uhler, I have already stated, in agreement with Van Duzee (1912), that lineatocollis Stal is distinctly not a sub- species of obtusa (Say) as thought by Dr. Ball, but rather appears to me a probable synonym of delicata. A specimen determined by him as obtusa susb. lineatocollis may be placed readily as a dark form of obtusa var. obtusa. Mr. Van Duzee (1912) states that var. achatina, as included by Dr. Ball under obtusa subsp. obtusa, is not the true achatina Germar; and he proposes the variety name tristis for this form, together with protews Provancher (1889). I cannot follow Van Duzee in this instance, having examined a specimen deter- mined by Dr. Ball as the above form, which answers the descrip- tion of achatina Germar in every particular. The form achatina appears to me, however, as quite distinct from obtusa var. obtusa and is another variety of obtusa, as placed by Van Duzee. Osborns Gillette and Baker appears to be a distinct species as listed in Van Duzee’s “Check List—1916” rather than a sub- species of obtusa, as placed by Dr. Ball. In this consideration of osbornt as a distinct species, I have also accepted Van Duzee’s placing of pins Fitch as a variety of proteus supplanting the variety name nigra, as proposed by Dr. Ball. With these alterations, C. obtusa (Say) is presented above with the varieties obtusa Ball, achatina Germar, and testacea Fitch. LITERATURE. The following list includes the principal works on the family Cercopidae consulted in the preparation of this paper. Amyot and Serville. 1843. Histoire Naturelle Des Insectes Hemipteres. Ball, E. D. 1895. A Study of the Genus Clastoptera. Proc. Ia. Acad. Sci., Vol. iti, 182-94. Ball, E. D. 1898. A Review of the Cercopidae of North America North of Mexico. Proc. Ia. Acad. Sci., Vol. vi, 204-26. Ball, E. D. 1901 (June). The Food Habits of Some Aphrophora Larvae. Ohio Naturalist, Vol. i, No. 8, 122-24. Edwards, James. 1896. The Hemiptera-Homoptera of the British Islands, pages 76-81. Fowler and Cockerell. 1894-1909. Biologia Centrali Americana. Godman and Salvin. Rhynchota, Hemiptera-Homoptera, Vol. ii, 174-206. 238 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Goding, F. W. 1892. A Synopsis of the Subfamilies and Genera of the North American Cercopidae, with a Bibliographical and Synonymical _ Catalogue of the Described Species of North America. Kirkaldy, G. W. 1906 (Feb.). Leaf-Hoppers and their Natural Enemies. Entomological Bulletin I. Part 9. Lallemand, V. 10913. Genera Insectorum, P. Wytsman. Homoptera, Family Cercopidae. Metcalf, Z. P. 1915 (July). A List of Homoptera of North Carolina. Journal of the Elisha Mitchell Scientific Society, Vol. xxxi, No. 1. Metcalf, Z. P. 1917 (March). The Wing Venation of the Cercopidae. Afinals Ent.°"Soc. Amz, Vol.'x, No. 1,'27-31: Osborn, Herbert. 1895. The Phylogeny of Hemiptera. Proc. Ent. Soc. of Wash., Vol. iii, 185-90. Osborn, Herbert. 1916 (Sept.). Studies of Life Histories of Frog- Hoppers of Maine. Bull. 254. Me. Agric. Exp. Sta. . Provancher. 1889. Hemipteres du Canada, pages 251-60. Uhler. 1876. List of Hemiptera of the Region West of the Mississippi River. Bull. U. S. Geol. Geog. Surv. Terr., pages 345-3490, 1876. Van Duzee, E. P. 1912. Hemipterological Gleanings. Bull. Buffalo Soc. Nat. Sci., Vol. 4. Van Duzee, E. P. 10916. Check List of Hemiptera of America North of Mexico. N. Y. Ent. Soc. Family CICADIDAE. By Wr11aAm TuHompson Davis. This family contains the well known “periodical cicada,” incor- rectly called a “locust,” also the “harvest flies.” In some parts of our country these insects are called “jar-flies’ and “singers.” They are readily distinguished from all other native Homoptera by their large size and the ability of the males to produce a shrilling sound, which differs for each species often quite as markedly as the songs of various kinds of birds. This song is produced in the males by the rapid vibration of the timbals situated at the base of the abdomen. Strong muscles are attached to these organs and when the insect is in full song the whole body is often seen to vibrate. The eggs are laid either in the small branches of trees and in lesser plants, as in the case of the periodical cicada, or in the bark of the trunk, or in old dead branches, etc., as in most of the other species. From these situations the larvae, when hatched, fall to the ground, burrow, and suck sap from the roots of trees, bushes and herbaceous plants for many years, for they grow but slowly. The length of the life cycle of most of our species is unknown, that of the periodical cicada, from the fact that the same brood appears once every seventeen years, being the only one about which a definite statement can be made. The members of this family have three ocelli, placed in the form of a triangle on the summit of the head between the compound eyes. The antennae have a short basal joint, surmounted by a hair-like process divided into about five parts or segments. The front femora are armed with teeth. No. 34.] HEMIPTERA OF CONNECTICUT: CICADIDAE. 239 _As far as is known at present, there are but nine species of cicadas belonging to three genera* found in the Northeastern United States, seven of which are to be found in Connecticut. Key to Genera. MRE EEMNERIE Fe lk ely om Swe Siew sv als c's wah ous, Tibicen, p. 239 2. Head, including eyes, about as broad as base of mesonotum ...... é Tibicina, p. 241 Head, including eyes, considerably narrower than base of mesono- ahs MCS GIWAYVS CXDOSER 4... .)-'o nsec cnvicaed Okanagana, p. 242 Tibicen Latreille. The species of this genus found in Connecticut are large, black and greenish colored insects with heads broader than base of mesonotum. The first and second cross veins of the fore wings are generally clouded in mature individuals, and the first cross vein starts far back from radius 3, that is, nearer to the base of the wing than in some other genera. Key to Species. 1. Abdomen beneath with a broad, shining median stripe ............ 2 Abdomen beneath without broad, shining median stripe .......... 2. Hind margin of the pronotum or collar, greenish; body black and INN LEN ed a ahsikl ahcaiat Gra tel sbavehel pole olasumal acd Mok otiehd ble 3 Hind margin of pronotum black; wing expanse about 95 mm.; aac and HrOwimish Green 222)... oo... oe ve seis Va dk we lyricen 3. Wing expanse about 85mm.; costal margin of fore wing rather en yeHt MCAT Che MIGGIS 5. sid 2.44 kinds n oscars Se ce ewaes linnei Wing expanse about 75mm.; costal margin of fore wing an even Se is a hs Gu 2 Gh enero oe adie Goa dee a ioe eRe U canicularis 4. Wing expanse about 115mm.; opercula short and rounded ....auletes Wing expanse about 95mm.; opercula much longer than broad .. chloromera T. auletes (Germar). (PI. v, 7 and 8.) Silb. Rev. Ent., ii, 65, 1834. This may be Cicada grossa Fabricius, but in the original descrip- tion the habitat of that species is given as Brazil. Tibicen auletes is the largest cicada in Northeastern North America and may be readily distinguished by that character alone. Its general coloring is olive-green and black with the hind margin of the pronotum or collar entirely olive-green. In fresh specimens the dorsal surface of the abdomen has the basal and two terminal segments pruinose, leaving four segments between, black. At least in the northern part of its range this species seems to be partial to sandy situations. Its song is monotonous and without much vim to it, and of a hot summer’s day a number of them may sometimes be heard singing together about four or five o’clock in the afternoon. * The generic names here used are those of the recently published list of Hemiptera by Edward P. Van Duzee. 240 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. New Haven, 21 Aug., 19005 (W. E. B.); 15 July ro1rr (A. B. G.): 2 July, 7 Aug., 1911 (B. H. W.). ipsa: al Tcanienlaris (Harris); .CPly ays.) Rept. Ins. Mass., 175, 1841. This is the most common species of cicada in Connecticut and in the New England States generally. It is found in pine woods and in the deciduous forest. It most closely resembles Tibicen linnei, but is generally much smaller with less prominent eyes and with the tergum less shining black. The costal margins of the fore wings are not as suddenly bent near the middle as in that species, but present a more even curve. Also its song is different from that of linnei, being much more shrill. . Washington (Mrs. A. T. Slosson); East Hartford, 9 Aug., 1904 (Bo. H.W.) 3) Manchester, 9. Oct.) n007 \(G, Es Fi) tas Sept., I910 (A. B..C.); New Canaan, 21 Sept., 1909 (B. H.. W.);) 1miSepesueame (A. B. C.); Wallingford, 22, 28, 20 July, 6, 23 Aug., 1010)4 1 9G@e Hamden, 23 Aug., 1909 (B. H. W.); South Meriden, 1, 28 Sept., 1912 (H. L. J.); Branford, 18 Aug., 10 Sept., 1905 (H. W. W.); New Haven, 29 Aug., 1892 (A. P. M.); 6 Oct., 1902, 7 Aug., 1906, 29 Aug., 1900, 16 Aug., 1910, 5 Aug., 1911 (B. H. W.); 11 Aug., 1905 (V..L. Ghurehil jee Aug., 1907 (C. E. Olsen); 1 Sept. rooo (A. 1. B.); 11, 28Sepeeenene (G. H. H.); 21 Aug., tort (A) B.C.) 3 26 Aug. 1013 (OS eae es 20 Aug., 1905, 9 Sept., 1907, 10, 31 Aug., 1908, 26 Aug., 1909 T. linnei (Smith and Grossbeck). (PI. v, 4.) Ent. News, xvili, 127, 1907. This species has so far been reported only from the southern part of Connecticut, and does not appear to be generally distributed in the New England States, though occurring in some of the counties of New York State immediately west of Massachusetts. Its generally larger size, more prominent eyes and shining surface of the dorsum of the abdomen, and above all the bent costal margins of the fore wings, will serve to distinguish it from canicularis. Greenwich, 23 Aug., 1892 (A. P. M.); New Canaan, 10 Sept., 1914 (B. H. W.); Wallingford, 6 Aug., 1910 (D. J. C.); New Havenizmsest. 1907 (B. H. W.); and Sept. (C. ‘E. Olsen); Brantford) “ieee. (J. L. Zabriskie) ; and 9 Sept., 19005 (H. W. W.). Tiaycicen. (WDeceer). (PL vw; 23) Memoires ili, 212, 1773. Next to canicularis this is the most plentiful species of cicada in Connecticut and has a considerable distribution in the New England States. It may be separated from its allies found in New England by its black collar (hind margin of pronotum), and the tawny colors of the fore part of the pronotum and on the mesono- tum. The legs are also tawny in color and the opercula are proportionately longer (usually about 7mm.) than in either limnes or canicularss. Canaan, 19 Aug., 1894 (C. F. Baker) ; Washington, 6 Aug. (Mrs. A. T. Slosson); Farmington, 12 Aug., 1909 (W. E. B.); Stamford, 13 Aug., No. 34.] HEMIPTERA OF CONNECTICUT: CICADIDAE. 241 1891 (A. P. M.); 16 Aug., 1912 (W. E. B.); New Canaan, 19 Sept., 1905, 21 Sept., 1909 (B. H. W.); 10 Sept., 1908, 20 Sept., 1909 (W. E. B.); mat sept,, 1914 (M. P. Z.); South Britain, 1884 ic F. Pierce) ; South Meriden, 11 July, 1913 (H. ts, bib Wallingford, it July, 1910 (CD, 7.°C. d : New Haven, 17 June, 1906, 8 Aug., ror (W. BBs) p27 July torz (G:; P Clinton) ; Portland, 9 Aug. 2613 (B: H. W.); Durham, 16 Sept., 1910 (D. J. C.); Lyme, 5 Aug., 1911 (A. B. C.); Stonington, 8 July, 1906 By Au, H.); Aug., 1909 (W. a Davis); /8vAug., 19rd (1. We.D,), T. lyricen var. engelhardti (Davis). Ent. News, xxi, 458, 1910. The pronotum and mesonotum are entirely black except a tawny spot in the central portion of the former. ‘This variety is the form found in the mountains of Virginia, North Carolina, and Georgia, which in the northern part of the range of the species is to be occasionally met with near the coast. New Canaan, 19 Sept., 1910 (D. J. C.). T. chloromera (Walker) says (Smith and rears) ( Pl. v, 6.) List. Homop., 143, 1850. This is not a common species in Connecticut, but is more southern in its distribution, being the most plentiful species about the city of New York. It is without the median shining longi- tudinal band on the underside of the abdomen, present in lyricen, linnet, and camicularis, and the opercula are very long, usuaily about 10mm. The eyes are less prominent than in the three species mentioned, and the collar is usually black, with an olive- green irregular spot near each humeral angle. Greenwich, 23 Aug., 1892 (C. F. Baker); Stamford, 13-17 Aug., 189i, 22 Aug., 1804 (ALP. M.). Tibicina Kolenati. The periodical cicada or “seventeen-year locust’’ is the sole representative of this genus to be found in Connecticut. In addi- tion to the characters given in the key to genera it may be added that the first and second cross-veins of the fore wings are infus- cated and that the first cross vein usually joins radius 3 quite far back, that is, nearer the base of the wing than in the next genus. The basal cell of the fore wing is very small, usually about 2.5 mm. in length. T. septendecim (Linnaeus). Periodical cicada. Seventeen-year Meets Crl vy. Land 2°. ere scars, Pl, xtx, 2.) Syst. Nat., Edn. 10, 436, 1758. In addition to being called “periodical cicada” and “seventeen- year locust,” this species is sometimes known as the “red-eyed cicada,” or “red-eyed locust,” because in life the eyes are conspicu- ously red. The dorsum of the abdomen is black; the membranes at the base of all of the wings are deep orange, as are the costal margins of the fore wings. The veins are more smoky or clouded than in any other Connecticut cicada and there is often a clouded 242 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. band extending along the hind margins of both pairs of wings. It occurs earlier than the species thus far considered, being essentially a June cicada. Only two of the seven or eight broods known to occur in the northeastern United States have so far been reported from the State. These are broods ii (1911-1928), which has been reported from Fairfield, Hartford, Litchfield, Middlesex, and New Haven counties, and is the chief seventeen-year cicada brood of the State, and brood xi (1903-1920), which has been recorded from Hart- ford County, also from Rhode Island and Massachusetts. A full account of the occurrence of brood 11 in 1911 may be found in the Report of the Connecticut Agricultural Experiment Station for that year, page 2096. T. septendecim var. cassinii (Fisher). Proc. Acad..Nat. Sei. Phila., ‘v,) 272, 1851: A small form or variety of this species, known as cassinu (Fisher), often occurs with the typical septendecim, and is usually not distributed over the entire range of the appearing brood, but is more local. It is generally darker beneath, the w-mark on the fore wings is not so conspicuous and the eyes are more prominent — in many of the individuals, otherwise it is only to be distinguished from septendecim by being about one-third smaller. Okanagana Distant. _ The head is small in this genus; both the fore and hind wings are hyaline with the basal cell of the former long and narrow (about 3mm.) ; the first and second transverse veins of the fore wings are unclouded, the first usually joining radius 3 nearer the middle than in Tibicina. The opercula are small and transverse, and the uncus cannot be withdrawn into the abdomen. O. rimosa (Say). Jour. Acad. Nat. Sci. Phila., vi, 235, 1830. This is the smallest species of cicada to be found in the New England States and is quite generally distributed. Like the seventeen-year species its first appearance is earlier than that of the other five species, and in the Highlands of the Hudson it emerges during the first part of June. The membranes at the base of both pairs of wings are deep orange or red in color, and there are also red spots on the head, pronotum and mesonotum; the hind border of the pronotum is red and each abdominal segment is also bordered with red. The song is weak and reminds one of that of some Orthopterous insect, like one of the smaller species of Neoconocephalus, and is quite different from the “Pha-r-r-r-r-ach” and other notes produced by the seventeen-year species. This species has not been recorded from Connecticut, but will probably be found in the hilly portion, as it occurs in both the adjoining States of New York and Massachusetts. No. 34.] © HEMIPTERA OF CONNECTICUT: PSYLLIDAE. 243 Family PSYLLIDAE (or CHERMIDAE), By EpitH Marton Patcu, Pu.D. The psyllids have something the appearance of miniature Cicadas. They come very near the aphids in their feeding habits, occurring for the most part on stem or leaf of plants, sometimes exposed but usually protected by flocculent wax secretion or by a deformation of the part of the plant affected and often in a definite gall. They are sometimes called “jumping plantlice”’ as their hind legs are formed for leaping. Perhaps the average size for the New England species would be about four or five millimeters in length though the different species vary from shorter to longer than that. The details of their structure make them a very fasci- nating group for microscopic study. Their feeding habits cause such species as appear on economic vegetation in large numbers to be rated as pests which need to be reckoned with. For the most part there is nothing erratic in their life cycles and both sexes appear with each generation. They are oviparous. Anus ~~ I Ocetti Forceps BE Ka side ao ie Upper Inner portion ovipositor ; Lower portion plate Ovipositor Fic. 21. Psyllid structures: (1) head, front view; (2) cauda of female, lateral view; (3) cauda of male, rear view; (4) cauda of male, lateral view. All greatly enlarged. Drawing by Dr. Edith M. Patch. Key to Genera. 1. Head not or scarcely deflexed; genae without conical process .... 2 Head deflexed; genal cones present ...........----eeeeeeeeeeees 3 2. Eyes flattened; cephalic portion of head thin ........... Livia, p. 244 Eyes more or less hemispherical; cephalic portion of head thick Aphalara, p. 244 Wing with M and Cu separating distad from point of juncture with RRR TRE ree LR LR Delia didi deen Dees eley web es 4 244 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. _[Bull. Wing with R. M. and Cu branching from stem vein at same place. BPS) OD, (2h hae stat SEITE ed Ut ia a ean ee Trioza, p. 245 4. Genal cones swollen or blunt, not forming conspicuous tapering flaps; food plants restricted”..... 3.2 s.c.-.s «126s ee Genal cones usually produced to form conspicuous tapering flaps; food plants Various i.e. esc ke acne len col ee ee 5. Genae swollen, usually with cones present; species all developing on Sumach) (Citas) sh.2 22k eee ee Calophya, p. 246 Genal cones small, blunt, subconical, divergent; species all develop- ing in galls on thackberry (Celiis)- soi2 Jai ee Pachypsylla, p. 246 6. Wings with distal portion somewhat tapering, with Rs extending ta apex: (Eig og" WAL VN, SoU Ms On cy ane aaa Spanioneura, p. 247 Wings with distal portion bluntly rounded, and Rs at margin not nearer apex than the proximal branch of M. Fig. 24 ..Psylla, p. 247 . and Psyllopsis, p. 250 Livia Latreille. Descriptions and figures of the three species here considered were published in Psyche (Patch 1912a). Key to Species. 1. Distal margin of fore wings with conspicuous smoky band ....... 2 Fore wing about uniformly feebly transparent, dull brownish NOW. So ea ke o's Lakin Se Se OE GRRE Ue owe rereualene een eer vernalis 2. Veins of fore wing white alternating with numerous black rings maculipennis Veins of fore wing not ringed with black ................. marginata L. vernalis Fitch. Diraphia femoralis Fitch. D. calamorum Fitch. Livia saltatrix Provancher. (PI. vi, 3.) Homop. N. Y. St. Cab., 64, 1851. Food plant of nymph is not known. Adult found on leaves of pine and on sweet-flag (Acorus calamus) by Fitch. North Haven, 15 July, 1910 (B. H. W.); Manchester, 17 Aug., 1916 (M. P. Z.). L. maculipennis (Fitch). Diraphia maculipenms Fitch. Levia bifascvata Provancher. (FI. vi, 1.) Trans. NuvY Agr: Soc.) xvit, 740, 1857. Nymphs develop in gall on rush (Juncus sp.) as recorded in Psyche (Patch 1916a). New Haven, 13, 30 May, 1911 (B. H. W.). *L. marginata Patch. Psyche, xix, 8, 1912. Type locality: Colebrook, 21 July, 1905 (H. L. V.). Aphalara Foerster. Descriptions and figures of the species here considered were published by the Maine Agricultural Experiment Station (Patch IgII and 1912b). No. 34.] HEMIPTERA OF CONNECTICUT: PSYLLIDAE. 245 Key to Species. wy Sans witnout conspicucius dark band 2... 0002. .60 6) eed. ble. Wings with conspicuous dark submarginal band across apical half NACL ithe Lire 2 shea bixbix ae pin Sietnid ahi h be wn, aaa fascipennis 2. Female with dorsal plate of cauda strongly arched, curved down- EOIN eee eee ci aie tere dete tira tnt aes wae ae oe Gk calthae Female with dorsal plate nearly straight lined ................ veaziei A. fascipennis Patch. Me. Agr. Expt. Sta., Bull. 202, 217, 1912. Nymphs and food plant are not known. A. ai (Linnaeus). Aphalara polygons Foerster (Patch IQII). = ha Suec., Edn. 2, 263, 1761. Nymphs feed upon Polygonum, most numerous at leaf axle. A. veaziei Patch. Me. Agr. Expt. Sta., Bull. 187, 16, 1911. Nymph and food plant not known. Adults commonly taken on Solidago. New Haven, 8 June, 1904; on Solidago, Stafford, 24 Aug., 1905 (W.E. B.). Fic. 22. Wing of Trioza tripunctata Fitch. Greatly enlarged. Drawing by Dr. Edith M. Patch. Trioza Foerster. Key to Spectes. Fore wing heavily shaded along veins; M and Cu both branching mere Meat tmarcm of wing. Pip. 22)of se eee Ses tripunctata Fore wing with veins not shaded; three dark marginal dashes between anterior branch of M and posterior branch of Cu. Neither M nor Cu branching near margin of wing ........... obtusa T. tripunctata (Fitch). Psylla tripunctata Fitch. Psylla rubs Walsh and Riley. (Fig. 22.) 246 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Homop. N. Y. St. Cab., 64, 1851. Nymph pellucid and yellow. Gregarious in white fluff on ventral surface of blackberry leaf. Mature insect with beautiful banded wings. For figures see Patch (1912). New Haven, 21 } : i : ini ee ae oe coher cine 19 Oct., 1003.0. tere T. obtusa Patch. Me. Agr. Expt. Sta., Bull..187, 18, 1911. Nymphal stages passed on the leaves of Amelanchier canadensis where they are conspicuous because of the beautiful white floss- like wax filaments that curl softly up from the margin of the body. For description and figures see Patch (1911). Calophya Fr. Loew. Key to Species. Genal cones longer than width at base; wings yellowish, trans- PAECHE fa sa's ars oh sdieic ad @aaleye Deus Case Oke ee flavida Genal cones not longer than broad; wings black or brown, not tEATISHATERE 40) 2 1 wee Uae lee) carded eee See nigripennis C. flavida Schwarz. (PI. vi, 6.) Proc. Ent. Soc. Wash., vi, 243, 1904. Common on Rhus glabra. New Haven, 18 March, 1903, 10 June, 1904 (B. H. W.), 8 June, 1904; Unionville, 10 June, 1904 (W. E. B.). C. nigripennis Riley. Proc. Ent. Soc. Wash., vi, 244, 1904. Common on Rhus copallina. Mount Carmel, 23 June, 1904 (E. J. S. M.); Brooksvale, 30 May, 1902; Unionville, 10 June, 1904; Westville, 4 July, 1904, 22 June, 1907; Hamden, 14 June, 1911 (W. E. B.); New Haven, 10 June, 1904 (B. H. W.); 16 May, 1918 (M. P. Z.). Pachypsylla Riley. Key to Species. 1, Fore wings. variously ‘maculated: 2) 12) 65. desc wee cee eee 2 Fore wings uniformly brownish, gall on petiole or small twig .... celtidis-gemma 2 Kornine walls .on leaves). 4so soem mele ance ee ee ake oho eee Gall large, spherical, on twig or petiole. Branches of M and approximate branch of Cu tipped with angular marks in form of PRR TEICOTIES, | <5scd 5 miate's ons ganas ete 2 abet ipe eins ata ant eee venusta 3. Gall mammiform on ventral side of leaf, concave on dorsal side, wings whitish, covered with small dark flecks over entire surface, with paler submarginal band extending across apical portion of NAMIE he tac ZiVain Betas mnie ob hn(n bial Ua mmeroaibuaaraale She eto celtidis-mamma Gall blister-like on both sides of leaf, insect closely resembling c.-mamma though smaller ............-..eeeees celtidis-vesiculum No. 34.] © HEMIPTERA OF CONNECTICUT: PSYLLIDAE. 247 P. celtidis-gemma Riley. (PI. vi, 5.) Proc. Biol. Soc. Wash., ii, 74, 1884. Common on hackberry. East Wallingford, 6 July, Bt New Haven, 25 June, 1905 (W. E. B.); Branford, 5 June, 1908 (B. H. W.). P. venusta (Osten Berean, Psylla venusta Osten Sacken. Pachypsylla tridentata Patch. Stet. Ent. Zeit., xxii, 422, 1861. On hackberry. Galls, Branford, 5 June, 1908 (B. H. W.). P. celtidis-mamma Riley. (PI. vi, 4.) Proc. Biol. Soc. Wash., ii, 73, 1884. For detailed description see Stough (1910) and for discussion see also Crawford (1914). Common on hackberry. Oxford, 21 May, 1904; Westville, 18 He 1904, 7 Sept., 1905 (W. E. B.) ; galls, New Haven, 5 June, 1903 (W.E Mon 5) P. celtidis-vesiculum Crawford. U. S. Nat. Mus., Bull. 85, 112, 1913. On hackberry. Galls, Westville, 7 Sept., 1905 (W. E. B.). Spanioneura Foerster. S. fonscolombii Foerster. (Fig. 23.) On boxwood (Busrus). Pomfret, 29 May, 1915. For further account see Britton (1916). Fic. 23. Wing of Spanioneura fonscolombu Foerster. Greatly enlarged. Drawing by Dr. Edith M. Patch. Psylla Geoffroy. Key to Species. 1. Antenna less than two and one-half times as long as width of head 2 Antenna at least two and one-half times as long as width of head 7 2. Cauda of female with dorsal plate curving downward at tip ...... 3 Cauda of female with dorsal plate not curving downward at tip... 4 3. Genital segment of female less than half as long as rest of abdomen pyricola 248 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Genital segment of female at least nearly as long as rest of abdo- EINEM) oica ys uo 06 Wldb ee lola mje there sl eiecaila alee epee cL NIL ak err hartigii 4. Dorsal plate of female cauda not with bulb-shaped nodules; if cuticular processes are present they are of some other shape .... 5 Dorsal plate of female cauda with lower margin thickly set with bulb-shaped ‘nodules’\ 0230. Psi, keek een bo be ee oe ee buxi 5. Genital segment of female shorter than rest of abdomen ......... 6 Genital segment of female at least as long as rest of abdomen ..striata 6. Antenna conspicuously annulated with black ................ annulata Antenna uniformly yellowish, except terminal segment black .... negundinis 7.’ Dorsal. plate of female without dark nodules... ......%y.55 eee Dorsal plate of female cauda armed with large blunt dark cuticular processes which give it a decidedly noduled appearance ....... cerasi 8.. Dorsal. plate of female not rounded. at tip °.............52 pee 9 Dorsal plate of female gently rounded at tip ............. galeaformis 9. Dorsal plate of female tapering to point at tip ............ carpinicola Dorsal plate of female cauda abruptly tilted up at tip ........ floccosa P. pyricola Foerster. Pear psylla. (PI. vi, 2.) Verh. Natw. Ver. Preuss. Rheinl., v, 77, 1848. | Of economic importance, causing considerable injury to the pear crop. Nymphal stages passed on pear leaves. Common through- out the State. Hartford, 7 July, 1903; Portland, 14 July, 1903; New Haven, 16 July, 1903; 16 Oct:, 1003 (H. L. V.); 13 July, to14 (M. P. Z.); ailamadenae July, 1903; West Granby, 4 Aug., 1903; Woodbury, 6 Aug., 1903; South Windsor, 8 Oct., 1903; Cheshire, 17 February, 1904; Wolcott, 18 April, 1904; Hartford, 15 June, 1904; Berlin, 22 Nov., 1905 (W. E. B.) ; Guilford, 1 Aug., 1906; New Britain, 4 Oct., 1910; Mystic, 12 Aug., 1912; Cheshire, 28 July, 1914, 27 Aug., IQI5. Fic. 24. Wing of Psylla striata Patch. Greatly enlarged. Drawing by Dr. Edith M. Patch. P. hartigii Flor. Rhyn. Livl., ii, 469, 1861. Nymphal stages passed on birch (Betula). The caudal segment of female is much like galeaformis except for the constant down- ward curve of the long dorsal plate. Crawford (1914) and Patch (1912). No. 34.] HEMIPTERA OF CONNECTICUT: PSYLLIDAE. 249 P. buxi (Linnaeus). Syst. Nat., Edn. 10, i, 454, 1758. Nymphal stages passed on boxwood (Burrus). Pomfret, 29 May, 1915. For further account see Britton (1916). P. striata Patch. (Fig. 24.) Me. Agr. Expt. Sta., Bull. 187, rort. Nymphal stages passed on birch (Betula). “aa Haven, 10 June, 1910 (B. H. W.); Colebrook, 21 July, 1905 (H. L. V.). P. annulata Fitch. Homop. N. Y. St. Cab., 64, 1851. Nymphal stages passed on maple. Similar to P. negundinis but readily distinguished by ringed antenna and the fact that it seems to be restricted to maple. Nymphs abundant on maple (Acer saccharum). | Middletown, 17-31, May, 1to11. Nymphs usually but not always on ventral side of leaf which they resemble closely in color. Adults collected May 30-31 and by middle of June were found alighting on other vegetation (W. C. W.). P. negundinis Mally. Proc. Ia. Acad. Sci., ii, 155, 1894. Nymphal stages passed on box elder (NV egundo). P. cerasi Patch. Me. Agr. Expt. Sta., Bull. 202, 1912. Nymphal stages passed on bird cherry (Prunus pennsylvanica) occurring in flocculent masses on ventral surface of leaf. Adults pale early in the season but richly colored in fall. Eggs are laid in September between leaf bud and twig. P. galeaformis Patch. Me. Agr. Expt. Sta., Bull. 187, rorr. Nymphal stages passed on alder (Alnus). The genital seg- ments of both sexes readily distinguish the adults from floccosa. Middletown, 13 June, 1911, on Alnus incana (W. C. W.). P. carpinicola Crawford. Psylla carpins Fitch. U. S. Nat. Mus., Bull. 85, 151, 1914. Resembles striata but with longer genal cones and wings less flavous. P. floccosa Patch. Can. Ent., xli, 301, 1909. Nymphal stages passed on leaf and new growth twig of alder (Alnus). Wax filaments of nymphs very soft and plumelike in appearance. Hamden, 17 June, 1904; Putnam, 12 July, 1905 (H. L. V.); Windsor, 19 June, 1905 (W. E. B.); Middletown, 13 June, 1911 (W. C. W.). 250 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. Psyllopsis Fr. Loew. P. fraxinicola (Foerster). (PI. vi, 7.) Verh. Natw. Ver. Preuss. Rheinl., v, 73, 1848. Pale yellowish green psyllid with moderately long genal cones and long slender antennae. On green ash. Storrs, 24 Aug., 1909 (W. E. B.). LITERATURE. Britton, W. E. 1916. Two Psyllids New to Connecticut. Fifteenth Report of the State Entomologist, 1915. In Report of the Connecticut Agricultural Experiment Station. . Comstock, J. H. 1918. The Wings of Insects, 283-285. Crawford, D. L. 1914. A Monograph of the Jumping Plant-lice or Psyllidae of the World. United States National Museum, Bulletin 85. Patch, Edith M. 1909. Homologies of the Wingveins of the Aphididae, Psyllidae, Aleurodidae, and Coccidae. Annals of the Entomological Society of America, 2: 101-1209. 1911. Psyllidae, in Bulletin 187. Maine Agricultural Experiment Station. 1912a. Notes on Psyllidae: Livia. Psyche, 19: 5-8. 1912b. Notes on Psyllidae. Bulletin 202, Maine Agricultural Experi- ment Station. 1916a. As, Psyllid Gall on Juncus (Livia -maculipennis Fitch) Psyche, 23>) INO. ; Stough, H. B. to910. The Hackberry Psylla, Pachypsylla c.-mamma. Kansas University Science Bulletin, 5: 121-165. Family APHIDIDAE. By EpitrH Marion Patcu, Pu.D.* On account of their small size aphids are to a great extent unnoticed; but when conditions are favorable to their increase there are many species of these little creatures that are capable of serious damage to the vegetation which they frequent and staple crops often suffer severely. These insects occur in winged and wingless forms and both feed by means of a jointed beak which they push into the tissues of the plant in order to suck up the sap which forms their food. They range from a little more than one-half a millimeter to about six millimeters in length. Some are sporadic in habit, while some live in gregarious colonies on stem or leaf or roots as their food plant. Some are exposed but many are protected by curled leaves or definite gall growths their presence causes. Although the life cycle varies greatly for different species of aphids, the following points seem of most significance for a general statement. In the north most aphids winter in the egg stage. From the * Papers from the Maine Agricultural Experiment Station: Entomology No. 105. No. 34.] | HEMIPTERA OF CONNECTICUT: APHIDIDAE. 251 overwintering egg a wingless female hatches in the spring and is known as the stem mother. The stem mother does not deposit eggs but produces living young, and is the first of a series of forms reproducing in the same way and designated on this account vivi- parous females. The young progeny of the stem mother begin at once to feed upon the sap of the plant and in about two weeks, more or less, according to the species and weather conditions, are in turn ready to produce offspring. The first few spring generations may be wingless or at any time winged individuals or an entire winged generation may appear and fly away to fresh plants and there start new colonies where a succession of generations are produced as before. Such a flight is called the spring migration and with many species the migrants desert the host plant upon which they have been feeding and seek a plant of an entirely different species. Thus the aphid destruc- tive to hops passes part of its life cycle upon plum trees. This alternation of hosts is a point in the life history of aphids of great economic significance, for it sometimes happens that a species can be controlled on one plant and thus its attack upon the other or alternate host be prevented. After a species has spent all or a part of the summer upon the second host plant, winged individuals called fall migrants appear and return to the same kind of plant, the winter host, upon which the stem mother and spring generations had lived, and there con- tinue to breed. Up to this time no males have appeared and all of the forms, whether winged or wingless, have been females giving birth to living young agamically as was the case with the stem mother. But immediately following or soon after the fall migration there are developed the true sexes—males and egg-laying females. These oviparous females deposit one or few comparatively large eggs in which stage the insect winters and from which the stem mother hatches in the spring. It is to such an outline as the foregoing that a species whose life history is unknown must be referred as a working basis. Any variation of the general life cycle of the aphids, however, is not a fair cause for surprise, for these insects have peculiar ways of their own which sometimes seem very erratic. For instance, besides the winter egg on the winter host some species, as the “alder blight” (Prociphilus tessellata) and the “woolly aphid of the apple” (Eriosoma lanigerum), have a second method of passing the cold season and that is as hibernating nymphs which remain in hiding at the roots or in rubbish about the base of the summer host. These hibernating nymphs come forth in the spring to feed, thus giving continued generations upon a single food plant as well as a cycle which includes a migration to an alternate host. The characters used for descriptions and keys are many but they 252 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. center for the most part about the structures indicated in the accompanying diagram (fig. 25). For the study of structural characters of value in determining species, reference to the following papers will prove useful (see pages 331-335), Baker -(1915), (19171), (1018a)e)) Bormems (1908); Cholodkovsky (1915); O6estlund (19192); Patch (19092) ; Pergande (1903); Swain (1919a); Tullgren (1909) ;. van der Goot (1915); Vickery (1908); Witlaczil (1882). \ Antennal tubercte - Ocular tubercle -- Thoracic tubercle cat Lateral *, tubercles News v of _7 abdomen A —- Cornicle ~Anay Dy at Caug e <== Antenna F Y Fic. 25. Diagram of aphid, showing structures used in classification. Greatly enlarged. Drawing by Dr. Edith M. Patch. Key to Genera. 1. Fore wings with three oblique veins; the stigmal vein (Rs) want- ing; M never branched; cornicles never present; all generations Footnote: The manuscript of this paper was first put into shape for publication in June, 1916. In January, 1920, it was revised. The three years and more during which the paper lay idle have been, systematically speaking, a period of growing pains for the aphids. The species of Phylloxera and Chermes, after tugging for many years at the apron strings No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 253 Oviparous,—the parthenogenetically produced larva incompletely developed when deposited and protected by an egg membrane ... Family PHYLLOXERIDAE or CHERMESIDAE 2 Fore wing with four oblique veins; the stigmal vein (Rs) present (except when incomplete or wanting in Calaphis); the second vein (M) simple or once or twice branched; the single annual gamogenetically produced generation, only, developing externally as eggs; the parthenogenetically produced larva completely devel- oped when deposited, rarely with a pellicle from which it frees MU PNILERS Sep ieseS Reka oo Sd Web eheale ws Family APHIDIDAE 3 2. Antenna of alate female with five segments. Always on conifers Chermes, p. 329 Antenna of alate female with three or four segments. Never on DES Ge eta AME ie asc moe! SLA. Phylloxera, p. 330 PME ETED ONG eo koe i, Sukie Ghd one iia CURIOS, RI Ay rer ec LON Mied hh es Aoi arias ius Cle aa Shima bays Lead 5 4. Antenna with five segments ......... Mastopoda APHIDINI, p. 311 Perens with Stix segments Js)... cece eles [Atarsos] APHIDINI et eereeat sus not excessive itt length 2... .....6.0ccsaescaetiacsectiea 6 of Aphididae Passerini, are well-nigh certainly established as an independent family though for convenience a few old-fashioned people still speak of them in subfamily terms. The genus Aphis has been threatened with a disaster as great as has ever befallen a zoological name but has happily been allowed to retain her association with certain of her adopted species. To be sure many of her daughters have been christened anew, a ceremony long needed and prophesied more than thirty years ago by Oestlund (1887). There have been spasms in the present aphid upheaval which remind one of a red revolution, with each individual species not only shrieking for a generic name of her own but also the liberty of flaunting an unlimited number of trinomials by virtue of which our common and well-known pea aphid has been published fourfold as follows; Acyrthosiphon pisi pist, Acyrthosiphon pisi destructor, Acyrthosiphon pisi turanicum, and Acyrthosi- phon pisi ussuriensis. With such extreme radicalism the writer has no personal sympathy but on the other hand most of the recent systematic work with aphids has been concerned with legitimate and logical changes resulting necessarily from intensive study with a family of insects the nomenclatural history of which is crowded with both synonyms and composite species,—a natural and healthy growth. It is therefore not in a spirit of adverse criticism that the present paper is allowed to go to press already out of date in many respects before it is published. It is rather that the writer feels that there may be a place for a connecting link between the aphid literature of yesterday and that of to-morrow. It should be stated therefore that this paper is not prepared especially for the use of systematic aphidologists. The works recently published (or still in preparation) by Messrs. Baker, Oestlund, Swain and Wilson need no addition that the writer is equipped to make. It is rather offered, in a spirit of sincere human sympathy, to the “lay entomologist” who is experiencing a mental (and perhaps a moral) struggle in learning for example to call the insect he has long known as Aphis avenae Fab. by the name Rhopalosiphum prunifoliae Fitch. Criticisms or suggestions or determinations by practically all the aphid workers of America should be gratefully acknowledged, though the writer should be held accountable for the keys as they stand except as follows: Dr. A. C. Baker contributed the section devoted to the Callipterini and determined the insects belonging to this tribe; Mr. Asa Maxson contributed the Pemphiginae; and Mr. H. F. Wilson prepared the Lachnid portion. 254 10. LY: 12. 13. 14. TS: CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. Hind tarsus with second joint excessive in length, approximating length of hind tibia, first joint reduced (apparently lacking) .. [Trama] LACHNINI, p. 25 Stigma narrow and long. Stigma or stigmal shading extending about curve of wing nearly to distal tip of Rs ................. 7 Stigma not unusual in foregoing respect ..........cccccccccccece 8 M once branched. . Only on ‘conifers 2.522002. 4 ee Mindarus MINDARINAE, p. 328 M twice branched. A giant aphid, not on conifers ............... _ Longistigma LACHNINI, p. 251 Stigma short and stubby. Migrating between Cornus and grasses Anoecia LACHNINI, p. 258 9 Stigma and habitat not both as in foregoing ...............e0e Eyes without ocular tubercles; head often elongate; feeding on Bed ges .Of CLASSES) Cis alae cee ae SALTAPHIDINA, p. 273 Aphids not in accord with foregoing combination ............... 10 Rim-like cornicle, situated on hairy, broadly cone-shaped or volcano-shaped tubercle. On conifers, except Nippolachnus USI) io de SS Remaining genera of LACHNINI, p. 256 Cornicle various but not on hairy tubercle; if reduced to ring-like or if absent, then M of fore wing is twice branched (except sometimes in’ Tamelia)) .o:00) 030.050. 2 eee II Cornicle vestigial (mere pores) or wanting. Fore wing with M — never more than once forked .......J25.03¢.-..20dn eee 26 Hind wing not unusually small (except in Rhopalosiphum Sevolinae) Fo hes cae ie ek ek Sais Sale oe keeiah sete ee 12 Hind wine ‘minite) 222). 22. Microparsus MACROSIPHINI, p. 311 Media of fore wing twice forked (except sometimes in Tamelia) 13 Media of fore wing once forked. Cornicle cylindrical ........... Toxoptera MACROSIPHINI, p. 302 Antennae of alate form six-segmented . 2)... ..2...2.0. oe. weeeeeee 14 Antenna of alate form five-segmented.:.:...... 005. se eee Sipha CHAITOPHORINA, p. 285 Cornicle merely ring-like, cauda knobbed or rounded, anal plate often bilobed or divided. Monelha, Phyllaphis, Tamelia ....... CALLIPTERINI, pp. 279, 287 Cornicle distinct, varied in size and shape ..................2- a Cornicle’ absent!’ S30. 2s See Ne. MONAPHIDINA, p. 273 and FULLAWAYINA, p. 288 Aphids with long, straight hairs on body, legs, and antennae; cornicles large and usually vasiform. Large gregarious species on barkiot: Sake and Populus. 1.20.20 8 PTEROCOMMINA, p. 288 Cornicle large, at least three times length of hind tarsus, swollen in middle. On Acer\or Platanus 00. 2250s se). 2s es eee Drepanosiphum CALLIPTERINI, p. 286 Cornicle large, approximately twice or less the length of hind tarsus, thickly swollen at base and suddenly narrowed, rimmed at tip. The only New England species with conspicuous finger-like processes on dorsum. On Acer or Aesculus . i). L202. oases Drepanaphis CALLIPTERINI, p. 286 Cornicle usually broadest at base, tapering to truncate tip, often hourglass-shaped; not cylindrical, not club-shaped, not often with dehnme Hance’ at tip... ge. ee ows Reties cabs lee. 16 Cornicle short to long, tapering, cylindrical, or swollen and club- shaped. Tip of the rimmed and not the truncate type .......... 18 Aphids forming thickset colonies on stem. New England species only on birch. Antennae banded and wing veins shadowed. Parthenogenetically reproducing summer generations in part apterous and in part alate ..Symydobius CALLIPTERINA, p. 280 No. 17. 18. 19. 25. 34.] .HEMIPTERA OF CONNECTICUT: APHIDIDAE. Body, antennae and legs with long slender lash-like hairs; cauda broad or pointed, rarely enlarged at apex; the parthenogeneti- cally reproducing summer generations in part apterous and in part simte. Partial to Aceraceae and Salicaceae ......5...ccnecenes Hairs of antehnae and legs stiff and very short (not lash-like) ; bodies of nymphs and apterous forms often conspicuously set with capitate hairs (suggesting pins in a cushion); cauda globate (knobbed) and anal plate notched or bilobed. No New England species on Aceraceae or Salicaceae ...........200000e: CALLIPTERINA, p. New England species only on Aceraceae, producing small summer RMN tS ess yee as ee Periphyllus CHAITOPHORINA, p. New England species only on Salicaceae, with no summer dimorphs Chaitophorus and Neothomasia CHAITOPHORINA, pp. 281, Antenna not situated on conspicuous frontal tubercle, though there is often a produced inner margin making a broad and shallow concavity at frontal margin. Cornicle without a definite distal area of imbricated or reticulated sculpturing, sometimes nearly smooth, usually fairly evenly beset with faint or definite curves with sometimes wavy and sometimes sharply serrate edges. Fila- ment Of atitennal seement vi short or long ... 2.2.0.2 ..b eee eee Frontal tubercle distinctly swollen on inner margin, converging meme Pilament of vi never Short 2....062 2.08. ccceaesecs de Frontal tubercle distinctly produced on both inner and outer margin. Frontal concavity broad and deep. Cornicle always long and often with distinct distal area of imbricated or reticu- fated sculpturing. Filament of vi never short .................- Frontal tubercle short but definite on both margins in apterous female. In alate female frontal tubercle only slightly if at all evident on outer margin. Present on inner margin, wedge-shaped. Cornicle conspicuously swollen. Filament of vi never short .... Amphorophora MACROSIPHINI, p. Aphids which are not in full accordance with any of the fore- TR MPRA TEACN yi CN io Loy) SNL A ich sidhs ata Wane Ske LER Macrosiphum illinoiensis and Aphis nerii, pp. 308, Cornicle cylindrical. Never with more than a slight swelling as in Reermenare si. Macrosiphum MACROSIPHINI, p. ne corisnicionsiy Swollen (205.80). 2.00. 252005. 0) a ewe. Nectarosiphon MACROSIPHINI, p. Frontal tubercle and first antennal segment with prominent pro- jections on the inner margin, especially conspicuous in the apter- ous female and larvae ........ Phorodon MACROSIPHINI, p. Frontal tubercle or first antennal segment swollen to gibbous but without tooth-like projections ...Myzus MACROSIPHINI, p. Peeemnien: lore or short. s). 005) 0a es oe ou eee. Serre straicit, cylindrical or tapering 2... 36.0 ec eee Sermcie short (not longer than in Aphis) ................00005- Cornicle longer than in Brevicoryne ........0 0.0. cc cece ence ecees Cauda short and abruptly conical ...Brevicoryne APHIDINI, p. MemmIEMOMPATE ek ke Hyalopterus APHIDINI, p. Rhopalosiphum, Siphocoryne, Hyadaphis and Liosomaphis APHIDINI, p. Cauda broad at base, very short to moderately long, abruptly or evenly conical—without constriction near middle ............... Anuraphis APHIDINI, p. Cauda narrower and more elongate usually with constriction near 0 ICUS es ae a RS Aphis APHIDINI, p. 255 17 274 283 283 21 20 19 256 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. 26. Antenna of alate forms with six segments (except Melaphis minuta); cauda and anal plate not obvious; when sensoria are linear, the annulations do not completely encircle the segment .. PEMPHIGINALE, p. 311 Antenna of alate forms with three to five ........: © Gaara 27. Cauda and anal plate obvious; linear annulations of all antennal segments distad, the second completely encircling the segment ... 28 Antenna with numerous subcircular prominent sensoria, five- segmented. 64.6.6. 664 site San tn VANE Se [Forda] 28. Antenna five-segmented Hamamelistes HORMAPHIDINAE, p. 328 Antennae three-segmented Hormaphis HORMAPHIDINAE, p. 328 Tribe LACHNINI. By Hartey Frost Witson, M.S. Probably because the species of this group live mostly on conifers and forest trees or shrubs, they have not been collected to any great extent and only a few species have actually been collected in Connecticut. However, all of the species given here have been taken in adjoining states and therefore must occur in this state as they range from Maine southward as far as Virginia and westward to Minnesota. Some of the specific names given have not heretofore been used for American species but the writer has been working on a mono- graph of this group for several years and has found that a number of our American forms are but synonyms of European species. Key to Genera. t; Tars? of hind legs with both segments distinct .....2222eee0e0n 2 Tarsi of hind legs apparently with but one segment or the first minute OF Wanting, 2... .. 4.5... ccb es owe oe oe [Trama] 2. Stigmal vein arising from the body of the stigma and back of the stigmal point,* which is tapering (on deciduous trees or shrubs) 3 Stigmal vein arising from the base of the stigmal point which is always truncate. ‘(On conifers) 0)... ....c¢8e eee 6 3. Stigma long and slender, sides parallel or nearly so .........-2--- Stigma stout and comparatively short, outer or inner edge rounded, the opposite side nearly straight .)...0.45)..% 210. See eee 5 4. Stigma long and slender and curving round the point of the wing and stigmal point extending far beyond the base of the radius .. Longistigma, p. 257 Stigma long and slender, not extending around the point of the wing; stigmal point extending but a short distance past the base ob the radius ie ON oes ee ees Se Tuberolachnus, p. 257 5. Stigma with the outer edge rounded and the inner edge straight to the base of stigmal point. Median vein with two forks ....... Nippolachnus, p. 258 Stigma with the inner edge rounded and the outer edge straight, Menon vem once Lorked .f..sgaceaoe see naeee Anoecia, p. 258 6. Rostrum with the last three segments forming a long slender spear- shaped poimt, (always bark, feeders). s/...../0.. isc. J. ss a Rostrum with the last segment short and blunt, the third and fourth. sezments’ \quadrate!)../ kui 2405 8265 6 kG.) * The stigmal point as here defined is the tapering point set off by a line extending from the inner edge to the outer edge of the stigma. No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 257 Wings with median vein normally two-branched ....Dilachnus, p. 260 Wings with median ve:n once branched ............ Lachniella, p. 268 8. Needle-feeding species having the body covered with white floccu- ace. airs on body and legs fine setaceous ....... 0.6000. <06 9 Needle-feeding species not covered with white flocculence. Hairs RS VEEP OTN SINE IIE fob isla whield-s sled vin a Wactvatadiand claps 10 9. Median vein of front wing with a single fork ..Schizolachnus, p. 269 Median vein of front wing simple ................ Unilachnus, p. 269 @emeintennac with six segments ..........cccecacseees Eulachnus, p. 270 Petennae with’ five sesments .. 6.0550 cel eck ec wn ene Essigella, p. 271 Longistigma Wilson. L. caryae (Harris). Lachnus caryae Harris. L. longistigma Monell. (PI. vii, 1.) Ins. Inj. Veg., 190, 1841. This large and interesting species does not require a detailed description for its identification as the peculiar long, slender stigma is sufficient to separate it from all other known species. The body is covered with bluish white pruinose and the dorsum of both apterous and alate forms have a regular pattern of black markings. It is a bark feeder. Apterous viviparous female: General color ash-gray with two triangular black spots on the pronotum and one quadrangular spot on the mesonotum. Abdomen with two rows of rather large black spots down the center of the abdomen, a row of smaller black spots outside of these and another row of larger spots along each side of the abdomen. Legs reddish brown with black joints. Length of body about six millimeters. Alate viviparous female: General color ash-gray, the head and thorax dull black. Abdomen as in the apterous forms. The stigma is long and slender and is drawn out into a long and slender curving point which extends partly around the end of the wing. Food Plants: Acer saccharinum, Carya alba, C. cordiformis, C. glabra, Juglans migra, Platanus occidentalis, Populus sp., Quercus marilandica, Tilia americana, T. cordata. On pin oak, Hartford, 19 Oct., 1909 (G. H. H.); on linden, New Canaan, 21 Sept., 1909 (A. I. B.); oak, Bridgeport, 8 Sept., 1910; pin oak, Ridge- field, 29 Aug., 1912 (J. Ballantyne); chestnut, Hamden, 21 Oct., 1910 (E. M. Stoddard); oak, Thompson, 16 June, 1914 (R. Barton); 16 Aug., 1918 (W. E. B.) ; New Haven, 19 June, 1910 (A. B. C.) ; elm, Wallingford, 19 Oct., 1915 (Alfred Curtiss). Tuberolachnus Mordwilko. T. punctatus (Burmeister ).* Handb. der Ent., ii, 93, 1835. Because of its size and the prominent tubercle on the dorsum a general description of this species is sufficient to place it with ease. * This is the species known in Europe as Lachnus viminalis and in America as L. dentatus. The writer is preparing a monograph of this group which is nearly ready for publication which will explain the use of this name. 9 258 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Description: General color ash-gray, the base color being grayish brown with a covering of white pruinose, more or less broken by the black dorsal tubercle, the black cornicles and a series of black spots on the abdomen. The under side of the abdomen is greenish brown. ‘The two basal segments of the antennae are black, third and fourth dusky yellow and the fifth and sixth dusky to black. The abdomen is marked with a distinct pattern of black spots and two dots on each segment forming two longitudinal rows of black spots on each side of the dorsum and two rows of black dots along the median line. The two black dots of the fourth abdomi- nal segment are obscured by the black tubercle which occurs at that point. The wings of the alate forms are brownish with a long slender stigma. Antennae with large circular sensoria, somewhat raised. Abdcomen with a series of short tubercles along each side, antennae, legs and body with numerous short hairs. Length of body about five millimeters. Food plants: Salix spp. Nippolachnus Matsumura. N. rosae (Cholodkovsky). Lachnus rosae Cholodkovsky. (Fig. 28, 2.) Zool. Anz., Xxii, 471, 1600. I have placed this species in the above genus because it resembles very much Matsumura’s figures of N. piri and it is undesirable to erect a new genus for it if one already exists. The species is so distinct from all others that a detailed descrip- tion is unnecessary. Both the alate and apterous forms have numerous large quadrangular sensoria on the antennae and the stigma is rounded at the apex instead of truncated. The sexual forms are both apterous. The general color is chocolate-brown without special markings. They are found on the stems of native species of roses from Maine to Colorado. The apterous forms are ovoid and about 3mm. long. The alate forms are about 2.5 mm. long. Food plants: Rosa sp. Anoecia Koch. Key to Species.- Antennae with transverse or quadrangular sensoria ............. corni Antennae with round or oval ‘sensoria’..!)...05....5..-. oe eee querci A. corni (Fabricius). Aphis corns Fabricius. (Fig. 28, 3; Fig. 31, 15.) Syst. Ent., 736, 1775. No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 259 This species is easily recognized by the wing venation and the sensoria on the antennal segments. The principal color marking is a large quadrangular black spot on the dorsum of the abdomen of the alate form. The antennae reach to the base of the thorax. The third segment bears from twelve to fifteen large transverse sen- soria which are prominent and raised, fourth segment with three to five and fifth with one to four sensoria ; sixth with one or two small sensoria near the base and a large one at the base of the finger- like unguis. Wings with the median vein having but one fork. Stigma short, stout, curved on the sides, and pointed at the ends. The winter is passed in the egg stage on Cornus spp. The summer stages occur on the roots of various grasses and weeds. On Cornus paniculata. New Haven, 22 Oct., 1915 (B. H. W.). A. querci (Fitch). Schizoneura quercs Fitch. Nox. and Ben. Ins. N. Y., 5, 804, 18509. This species so closely resembles Anoecia corns that it has for years been considered by American writers as the same. There are, however, a number of distinct differences. The two species are found on Cornus in the spring and fall and live on grass roots during the summer months. Qvercs differs from corns by having oval or circular sensoria and generally shorter antennae. Spring migrant (from Cornus): General color of head and thorax black; eyes deep reddish brown. Antennae dusky to black. Abdomen greenish with a pink or brownish tinge. A row of black patches along either side of the abdomen. The wing veins are solid and the median vein has a single fork. The stigma is short ater the lower edge rounding to the apex like the blade of a blunt nife. Alate viviparous female: (Summer form) General color yellow- ish green, antennae, thorax and legs dusky to black. Abdomen yellowish, with fine dorsal stripes and a row of six black spots along each side. Antennae with six segments reaching to the hind coxae; the sixth with a short thumb-like spur. Third segment with three or four widely separated round sensoria. Fourth and fifth with one sensorium each, near the distal end. Cornicles small and cone-shaped. Cauda broadly rounded and short. Antennae, legs and body with numerous short hairs, some of which are curved as in the apterous form. Measurements: Length of body, 1.66mm. Length of antennal segments, ili, 0.18mm.; iv, 0.065mm.; v, 0.09mm.; vi, 0.078 and 0.03 mm. Rostrum as in the apterous form. Length of hind tibia, 0.82 mm. Fall migrant: General color nearly the same as for the spring migrants except that in some specimens sent me by Professor Gillette a broad quadrangular band is present on the abdomen. This spot is not as black as the one on Anoecia corni. 260 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. { Bull. The sexes are apterous and much smaller than the other forms. A complete description of this species is given by Baker (1916h). Food plants: The early spring and late fall forms are found on Cornus spp. The summer forms on the roots of various grasses and weeds. } Dilachnus Baker. Key to Species. 1. Hairs on hind tibiae long and erect. .).\....\...... 0... ee Hairs on hind tibiae reclinate or if erect, erect along the base of the tibiae only (os. oe ee elie cae bnew ne ode dane rr 4 2. Hairs hind tibiae not numerous and heavy spine-like. (On PINES) inks Fags fe ee wll Lie Giles De Mle cl ee aloe ae er Hairs on hind tibiae numerous and setaceous not heavy, spine-like. (On Spruce:). |. dee dctebk whi Sl, oleh: Reid abi ees eee pinicola 3. Base of angle formed by branch one and two of the median vein extending well beyond the base of the radial sector ........... pini Base of angle formed by branch one and two of the median vein not extending beyond the radial sector .............-sebeee inoptis 4. Hairs on hind tibiae short and erect along the base and reclinate toward the. tip ofthe tibiae .. .....20...40..4.: 55065 eee 5 Hairs on hind tibiae-entirely reclinate. .... 2... 2.2 + shes see 5. Hairs on tibiae long and slightly inclined to be reclining at the base ot the tibiae oe 2a ee LEP ee ee ee atlantica Hairs on tibiae short and decidedly erect along the base of the AIDIDE bbls as psd Bens ss dole ee bs eee gracilis 6. Hairs on hind tibiae distinctly spine-like and straight not abundant 7 Hairs on hind tibiae strongly reclinate, setaceous and with a droop- ing appearance. Usually very abundant, giving the tibiae a feathery or plumose appearance ......:5...:2..5.+ 20a 7. Sixth antennal segment long and slender, spines on tibiae long and stronely, spine-likey <6 i.4s 45.65 die ads ane cee oe pergandii Sixth antennal segment short and stout, spines on tibiae short and epine-likes wi. be UES Sa a Ses oe ee ee laricis 8. Hairs strongly reclinate, drooping, quite long .....2.. 5. see 9 Hairs strongly reclinate, drooping, very short ..... Se ote ee curvipes 9: Sixth antennal segment long and slender ..:.......-...55eeeee .Strobi Sixth antennal segment short and ‘stout .....:..%.. :fetemeneeen pinivora D. inoptis (Wilson). Lachniella inoptis Wilson. Can. Ent., li, 18, 1910. Apterous viviparous female: Antennae light at the base and dusky at the tip. Femora of all legs dark, front tibiae entirely black. Tibiae on middle and hind pair of legs light colored at the base and black over the distal two-thirds. Antennae long and slender, the sixth segment finger-like and slightly shorter than the fourth. Third segment approximately equal to the fourth and fifth together; fifth considerably larger than the fourth. Third and fourth segments without sensoria, fifth with one large sen- sorium at the distal end. Cornicles with a large acutely sloping base. Cauda angular, anal plate slightly dished. Hairs on antennae, legs and body distinctly spine-like and long. No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 261 Measurements: Length of body 3.25mm. Length of antennal segments, iii, 0.64mm.; iv, 0.31 mm.; v, 0.37mm.; vi, 0.22 mm. Total length, 1.76mm. Rostrum, iii, 0.25 mm.; iv, 0.25 mm.; v, 012mm. Totallength 2.08mm. Length of hind tibia, 2.39 mm. ; hind tarsus 0.25 and 0.37 mm. Ailate viviparous female: Antennae light-colored throughout the third segment except a small part at the distal end, fourth and fifth segments light dusky at the base, darker at the tip, sixth segment entirely dusky. femora dark except at the base, tibiae dark at the knees and along the distal one-third, the basal two- thirds light-colored. Third antennal segment with a single sen- sorium near the distal end, fourth segment with none, fifth segment of one antenna with one large sensorium at the distal | end, the other one with an additional smaller one at the center. The beak extends. slightly beyond the hind pair of coxae. Cornicles large and volcano-shaped. Wing venation typical for the genus. Hairs upstanding and long and thick, distinctly spine- like. Measurements: Length of body, 3.25mm. Length of antennal segments, ili, 0.64mm.; iv, 0.31 mm.; v, 0.35 mm.; vi, 0.23 mm. Totai length 1.7+ mm.? Rostrum, iii, 0.27mm.; iv, 0.23 mm.; v,0Imm. Total length 2mm. Length of hind tibia, 2.4 mm.; hind tarsus, 0.25 and 0.37 mm. Food plant: Pinus inops. D. pini (Linnaeus). Aphis pini Linnaeus. Syst. Nat., Edn. 10, 453, 1758. Apterous viviparous female: Antennae with third segment, base of fourth, and fifth, light-colored, other parts dusky. Femora on all legs dusky, knees black. Tibiae yellowish near the base but black at distal end. Yellowish areas on front tibiae cover about one-half of segment, on middle and rear legs cover about three- fourths of the segment. Third antennal segment approximately equal in length to the fourth and fifth together. Fourth segment much shorter than the fifth but slightly longer than the sixth. Third and fourth segments without sensoria; fifth with a small sensorium near the center and a larger one at the distal end. Measurements: Length of body 4mm. Length of antennal segments, ili, 0.72 mm.; iv, 0.31 mm.; v, 0.41 mm.; vi, 0.27 mm. Total length 1.9mm. Rostrum iii, 0.41 mm.; iv, 0.25mm.; v, 0.12mm. Total length, 2.02mm. Length of hind tibiae, 2 mm. ; hind tarsus 0.23 mm. and 0.37 mm. Cauda broadly rounded. Body covered with small irregular black spots; a single hair arises from each one of these. Cornicles aca ae oan Body, legs and antennae with long spine-like airs. Alate viviparous female: Antennae with third segment at the base and dusky at the tip; remaining segments dusky. Femora 262 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. dusky except at the base; frontal tibiae almost entirely black, middle and hind tibiae about one-third yellowish. Antennae long and slender, third segment approximately equal in length to the fourth and fifth. Fourth segment slightly longer than the sixth, but shorter than the fifth. Third antennal segment with seven medium-sized sensoria. Fourth segment with two small sensoria, one near the middle and the other at the distal end; fifth with two, as in the fourth segment but the distal one is extremely large. Cornicles volcano-shaped. Rostrum extending to the cornicles. Measurements: Length of body 3.9mm. Length of antennal segments, ill, 0.7omm.; iv, 0.3mm.; v, 0.4mm.; vi, 0.27 mm. Total length 1.97mm. Length of hind tibiae, 1.7mm.; hind tarsus 0.23 mm. and 0.37 mm. Food plant: Pinus sylvestris. D. pinicola (Kaltenbach). Lachnus pinicola Kaltenbach. Lachnus abietis Fitch. Mon. der Pflanz., 154, 1843. Apterous viviparous female: General color, light cinnamon- brown. Abdomen with four longitudinal rows of small black spots. The abdomen covered with a light coating of white wax. The waxy coating is more abundant in the younger stages. Legs and antennae dusky to black, and with the third segment longer than the fourth and fifth together. Third and fourth and fifth antennal segments with a single round sensorium at the distal end of each. Sixth antennal segment long and finger-like. Hairs on body long and fine. Those on all of the legs are distinctly upright. Cauda broad and somewhat flattened at the end. Hind tibiae short but the tarsi long and strongly curved. Measurements: Length of body 2.75mm. Length of antennal segments, ili, 0.37 mm. ; iv, 0.I2 mm.; v, 0.166 mm.; vi, 0.187 mm. Total length I.04mm. Rostrum, ii, 0.187mm.; iv, 0.187 mm.; v, o.1mm. Total length, 1.34mm. Length of (itimaeiamed, 1.4mm.; hind tarsus, 0.083 and 0.35 mm. Alate viviparous female: General color of head and thorax dull blackish brown, abdomen light cinnamon-brown. Sides of abdo- men pruinose; dorsum of some specimens covered with a fluffy coating of wax. Other specimens with a ridge of waxy threads along the center of the back between the wings. In these speci- mens the wings have probably rubbed the wax threads away. Antennae and legs cinnamon-brown except the tarsi which are | black. Antennae rather slender, the third segment slightly longer than the fourth and fifth together. Fourth and sixth segments approximately equal in length. The third segment has from two to four or more small round sensoria; the fourth one or two; and the fifth two; sixth segment long and finger-like. Rostrum reaching barely beyond the hind pair of coxae. Wings with the angle formed by m* and m* extending beyond the base of the No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 263 radial sector. Cornicles medium small and light brown in color. Cauda broadly rounded. Antennae slightly hairy, body and legs with numerous long upright hairs of fine texture. Hind tibiae moderately long but the tarsi quite long in proportion. Measurements: Length of body, 3.2mm. Length of antennal segments, ili, 0.5mm.; iv, 0.187mm.; v, 0.23 mm.; vi, 0 2I mm. Total length, 1.1mm. Rostrum, iii, 0.21 mm.; iv, 0.2I mm.; v, 01mm. Total length, 1.5mm. Length of hind tibia, 1.94 mm. ; hind tarsus, 0.1 and 0.5 mm. Food plant: Picea spp. New Haven, 14 May, 1909 (E. F. Coe). D. gracilis (Wilson). Lachniella gracilis Wilson. Can. Ent., li, 20, 19109. Apterous viviparous female: Antennae light at the base and shading to dusky at the tip. Front and middle pair of legs light- colored except at the joints, third pair black except a small area just beyond the base. Cauda dusky to black. Third antennal segment approximately equal to the length of the fourth, fifth and sixth segments together. Fourth and fifth segments approxi- mately equal in length and the sixth shorter than the fourth. Third segment without sensoria although a single small one was observed on other specimens, fourth segment with one or two sensoria and the fifth with two. Cornicles cone-shaped, and unusu- ally large. Cauda rather more angular than rounded but with a widely rounded tip. Hairs short and much more inconspicuous at the base of the tibia than at the tip. Hairs at the base distinctly upstanding, those toward the distal end semi-erect. Measurements: Length of body, 3.25mm. Length of antennal segments, iii, 0.46 mm.; iv, 0.2I mm.; v, 0.2I mm.; vi, 0.145 mm. Total length, 1.22mm. Rostrum, ili, 0.25mm.; iv, 0.187 mm.; v, 0.063mm. Total length, 186mm. Length of hind tibiae, 2.45mm. Length of hind tarsus, 0.31 mm. Alate viviparous female: Antennae light at the base of the third segment but dusky at the tip and shading into color of other seg- ments, the last one being nearly black. First and second pair of legs dark to black except the greater portion of the tibiae. Hind legs almost black throughout except a small dusky area near the base. Antennal segments as in the apterous forms except that the fifth segment is longer than the fourth. Third segment with six, the fourth with two or three and the fifth with two large sensoria. The cornicles are unusually large as in the apterous forms and are voleano-like in shape rather than cone-shaped. The legs and antennae are quite hairy and those on the base of the tibiae are upstanding while those farther outward are reclinate. Cauda angular but broadly rounded at the tip. Measurements: Length of body, 3.88mm. Length of antennal segments, ili, 0.52 mm.; iv, 0.187 mm.; v, 0.23 mm.; vi, 0.166 mm. 264 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Total length, 1.2mm. Rostrum, ili, 0.21 mm.; iv, 0.175 mm.; v, 0.063mm. Total length, 19mm. Length of hind tibiae, 2.42 mm.; hind tarsus, 0.31 mm. Food plant: Pinus spp. D. atlanticus (Wilson). Lachniella atlantica Wilson. Can. Ent., li, 21, 1919. Apterous viviparous female: Antennae light at base of third segment, remaining parts dusky black. All three pairs of legs black except the base of the femora and a yellow area toward the base of each tibia. Third antennal segment approximately equal in length to the fourth and fifth together. Fourth segment slightly shorter than the fifth and the sixth shorter than the fourth. Third segment with a single sensorium, fourth with one and fifth with two. Beak extending to the tip of the abdomen. Cornicles extremely large, volcano-shaped. Measurements: Length of body, 2.37mm. Length of antennal segments, ili, 0.44 mm.; iv, 0.2I mm.; v, 0.23 mm.; vi, 0.166 mm. Total length, 1.25mm. Rostrum, iii, 0.21 mm.; iv, 0.187 mm.; v, 0.063mm. Total length, 2.04mm. Length of hind tibia, 2.20mm. Hind tarsus, 0.31 mm. Alate viviparous female: Color of antennae and legs as in the apterous form. Third antennal segment approximately equal in length to fourth. Third segment with six to eight large circular sensoria, fourth with two and fifth with two. Cornicles extremely large. Beak extending to the base of the cornicles. Hairs on legs, body and antennae fairly abundant and longer than those of other species in this group. Those on the femora and at the base of the tibiae are not quite as upstanding as with other species in this group. Measurements: Length of body, 2.39 mm. Length of antennal segments, ili, 0.46 mm.; iv, 0.2I mm.; v, 0.23 mm.; vi, 0.145 mm. Total length, 1.28mm. Rostrum, iii, 0.21 mm.; iv, 0.187 mm.; v, 0.063mm. Total length, 2mm. Length of hind tibiae, 2.08mm. Hind tarsus, 0.33 mm. Food plants: Pinus spp. D. pergandei (Wilson). Lachmniella pergandei Wilson. Can. Ent., li, 46, 19109. Apterous viviparous female: The prominent character of this species is the deep brown to almost jet black tibiae set with heavy reclinate spines. , Antennae medium slender and extending to the second pair of coxae. All segments light-colored at the base, dusky toward the tip. Sixth segment finger-like and approximately as long as the fourth. Fifth segment with three small sensoria toward the distal end. Beak short, reaching to the base of the third pair of coxae. Tip dusky black. Cornicles conical and with a widely sloping base. Cauda No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE, 265 bluntly angled and short. Abdomen covered with irregular black spots, a hair arising from each one; outside these are found other hairs or bristles. The purpose of these spots has not been determined, the entire body being set with numerous long and spine-like hairs. The femora are brown in color and the spines which are not as coarse as those on the tibiae stand more nearly upright. The tibial spines are set in a reclinate position pointing toward the tarsi. Measurements: Length of body, 4.16mm. Antennal segments, iii, 0.52mm.; iv, 0.29mm.; v, 0.3I1mm.; vi, 0.25mm. Total length, 1.52mm. Length of rostrum, 1.5mm. Hund tibiae, 2.39 mm. Alate viviparous female: Antennae dusky toward the tip, lighter at the base of the fourth segment and only the distal one-quarter of the third segment dusky. Legs with femora brown, tibiae black. Beak black at the tip and extending slightly beyond the third pair of coxae. Antennae medium slender and reaching to the hind coxae. Segment four and five approximately equal. Fifth segment about three-fifths as long as the third and much longer than the fourth or sixth. Third segment with six or eight round sensoria along the distal two-thirds. Fourth segment with two or three sensoria on the distal half. Cornicles as in apterous forms. Abdomen with numerous dusky spots each of which bears a spine-like hair as in the apterous form. Additional spines occur outside these areas. Entire body, legs and antennae with numerous hairs. Measurements: Length of body, 4.08mm. Antennal segments, Seeemin.; iv, 0.27mm.; v, 0.290mm.; vi, 0.25mm. Total length, 1.55mm. Length of hind tibiae, 2.33 mm. Food plants: Pinus sp. D. laricis (Walker). Lachnus laricis Walker. Ann. Mag. Nat. Hist., Ser. 2, ii, 102, 1848. Apterous viviparous female: General color dark brown to black, with a covering of white pruinose and with a light streak down the center of the dorsum. The antennae are dusky yellow at the base and black toward the tip. The legs are black except the basal portions of the femora and the middle of the tibiae which are dusky yellow. Cauda black, after mounting in balsam numerous brown spots may be seen on the abdomen. Antennae reaching to the base of the middle coxae. Rostrum reaching to the hind coxae. Third antennal segment nearly as long as the fourth, fifth and sixth segments together. The third and fourth segments with a single sensoria at the distal end and the fifth with two. Cornicles large and volcano-shaped. The edge of the base more or less broken. Measurements: Length of body, 4mm.; width, 2.2mm. Length of antennal segments, iii, 0.73mm.; iv, 0.27mm.; Vv, 266 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. 0.31mm.; vi, 0.154mm. Total length, 1.7mm. Rostrum, iii, 0.27 mm. ; 1v,0.19mm.;v,0.Imm. Total length,2mm. Length of hind tibia, 2.5 mm.; hind tarsus, 0.14 and 0.4 mm. Alate viviparous female: General color, head and thorax shining black, abdomen as in the apterous forms. Cornicles black, with a large white spot at the base, and which does not become conspic- uous until the specimens are placed in alcohol. Abdomen maculated with brown. Antennae reaching to the base of the wings and the third seg- ment with from eight to eleven irregular sensoria; fourth segment with one or two large ones near the distal end; sixth antennal segment short and thumb-like. Antennae legs and body of both apterous and alate forms with short spine-like hairs. Those on the iegs are distinctly pointed toward the tip of the segments. Measurements: Length of body, 4.58mm. Length of antennal segments, 111, 0.69 mm.; iv, 0.27mm.; v, 0.35 mm.; vi, 0.135 mm. Total length, 1.5mm. Rostrum, ili, 0.27mm.; iv, 0.20mm.; v, o.Imm. Total length, 1.9mm. Length of hind tibia, 3.22 mm.; tarsus, 0.135 mm. and 0.35 mm. Food plant: Larix laricina. D. strobi (Fitch). Lachnus strobs Fitch. (Eggs, Pl. xix, Io.) Homop. N. Y. St. Cab., 69, 1851. Apterous viviparous female: General color shining metallic black with a series of white pruinose spots on the dorsum. The typical specimens have a median dorsal line along the abdomen extending from the prothorax to the cauda. Usually there are two white spots on the thorax, and four on the abdomen, one in front and one behind each cornicle. The legs are black and strongly curved. The cornicles are jet black. Antennae with the third, fourth and fifth segments light colored at the base and black at the tips; the sixth segment black. Antennae long and slender, the sixth segment long and finger- like. Third antennal segment much longer than the fourth and fifth segments together; fourth and fifth segments without sen- soria and the fifth with two. Rostrum extending slightly beyond the hind coxae, cornicles with a wide sloping base. Cauda broadly acute with a rounded tip. Antennae body and legs with long drooping hairs. Measurements: Length of body, 3 to 5mm. Length of anten- nal segments, ili, 0.4mm.; iv, 0.15 mm.; v, 0.2mm.; vi, 0.18 mm. Total length, 1.09mm. Rostrum, ill, 0.21 mm.; iv, 0.187 mm.; v, 0.063mm. Total length, 19mm. Length of hind tibia, 2.7mm.; hind tarsus, 0.12 and 0.29 mm. Alate viviparous female: General color, black, sometimes tinged with brown. It is conspicuous because of the white line down the center of the body and the white spots on the abdomen similar to the apterous form. The antennae are long and slender with the No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 267 sixth antennal segment long and finger-like. Third antennal seg- ment with ten to twelve irregular round sensoria; the fourth with two or three and the fifth with two. Rostrum reaching to the cornicles with broad sloping sides. Cauda broadly angular. Antennae, body and legs with long drooping hairs. Measurements: Length of body, 3mm. Length of antennal segments, ill, 0.45 mm.; iv, 0.17mm.; v, 0.22mm.; vi, .18 mm. Tota! length, 1.36mm. Rostrum, ili, 0.21 mm.; iv, 0.187 mm.; v, 0.063mm. Total length, 1.97mm. Length of hind tibia, 2.70mm.; hind tarsus, 0.1 and 0.27 mm. Food plant: Pinus strobus. Springdale, 5 Sept., 1903; Waterbury, 1 April 1904, eggs; West Goshen, 15 Oct., 1909 (S. N. Spring) ; New Haven, 10 Nov., 1910; Middletown, 22 June, 1911; Portland, 5 June, 1914; Hartford, 23 July, 1915 (M. P. Z.). D. pinivora (Wilson). Lachniella pinivora Wilson. Can. Ent., li, 44, 1919. Alate viviparous female: Antennae light-colored at the base of the third, fourth and fifth antennal segments, distal portion of these segments and the sixth dusky. First and second pairs of legs yellowish at the base of the femora and along the middle of the tibiae. Other parts and tarsi deep dusky brown. Hind femora yellow at the base and dark brown at the joint, hind tibiae with yellow area clear and covering about one-third of the segment. Cornicles large and volcano-shaped. Cauda and anal plate both broadly rounded. Third antennal segment with seven medium- sized sensoria widely set apart, fourth with one or two and fifth with two. Third segment shorter than the last three together, five distinctly longer than four, and six four-fifths as long as four. Beak short, extending to the farther edge of the middle coxae. Hairs long and drooping but not so much as in L. strobi. Measurements: Length of body, 2.9mm. Length of antennal segments, iii, 0.55 mm.; iv, 0.22mm.; v, 0.24mm.; vi, 0.164 mm. Rostrum, 111, 0.172 mm.; iv, 0.15 mm.; vi, 0.63 mm. Total length, 1.25mm. Length of hind tibia, 2.29mm. Hind tarsus, 0.27 mm. Food plant: Pinus spp. D. curvipes (Patch). Lachnus curvipes Patch. Me. Agr. Expt. Sta., Bull. 202, 161, 1912. Apterous viviparous female: Antennae long and slender. Third segment approximately equal in length to the fourth, fifth and sixth. Fourth segment shorter than the fifth and longer than the sixth. Third segment with one or two sensoria near the distal end. The fourth with a single small one at the distal end and the fifth with one small and one large one. Tarsi and tip of tibiae black. Hind tibiae deep dusky black except at the base and very strongly curved. Rostrum slender and reaching to the base of the cornicles. Cornicles with a wide cone-shaped base. Cauda bluntly pointed. Antennae, legs, and body with short, more or less drooping hairs. 268 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. {[ Bull. Measurements: Length of body, 4 to 5mm. Width of abdomen abovt 3mm. Length of antennal segments, iii, 0.9mm.; iv, 0.27mm.; v, 0.35mm.; vi, 0.23mm. Total length, 202mm. Rostrum, ili, 0.27 mm.; iv, 0.25mm.; v, 0.083 mm. Total length, 2.49mm. Length of hind tibia, 4mm.; hind tarsus, 0.166 mm. and 0.35 mm. Alate viviparous female: General color in balsam deep brown. Antennae and legs dark brown, with the tarsi tips of the tibiae and distal three-fourths of hind tibiae deep dusky brown. Antennae long and slender; the third segment has ten to twelve round sen- soria which vary more or less in size. The fourth segment has two or three sensoria and the fifth one small and one large one near the distal end. Rostrum long and slender reaching nearly to the tip of the abdomen. Wings long and broad with the angle formed by m'm? extending well beyond the base of the radial sector. Hind tibiae long and slender and slightly curved but not so much so as in the apterous forms. Cauda bluntly angular. Antennae, body and legs with short stout spines. Measurements: Length of body, 4mm. Length of antennal segments, iii, 0.97 mm.; iv, 0.37mm.; v, 0.47 mm.; vi, 0.26 mm. Totai length, 2.14mm. Rostrum, 111, 0.31 mm.; iv, 0.25 mm.; v,. 0.083mm. Total length, 3.33mm. Length of hind tibiae, 3.54 mm.; hind tarsi, 0.145 mm.; 0.41 mm. Food plant: Abies balsamea. Lachniella Del Guercio. L. juniperivora Wilson. Ent. News, xxx, 6, 1910. Alate viviparous female: Specimens in balsam show no distinct coloration of antennae and legs, these parts appearing to be light dusky throughout. Third antennal segment approximately equal in length to the fourth and fifth segments, fourth segment shorter than the fifth, fifth and sixth about equal. Third segment with about six round sensoria of irregular size and not in alignment; fourth segment with two and fifth with two. Beak extending to the tip of the abdomen. The antennae are quite distinct from those of the other species in this genus and the cornicles are much broader at the base than those of Schigolachnus tomentosus. Cornicles with a wide sloping base. Cauda rounded, anal plate angular. Antennae, legs and body with a moderate number of medium hairs. Measurements: Length of body, 18mm. Length of antennal segments, iii, 0.37 mm. ; iv, 0.166 mm.; v, 0.187 mm. ; vi, 0.187 mm. Total length, 1.02mm. Rostrum, iti, 0.21 mm.; iv, 0.21 mm.; Vv, 0o.0o7mm. Total length, 1.82mm. Length of hind _ tibia, 1.36mm.; hind tarsus, 0.083 mm. and 0.21 mm. Food plant: Juniperinus virginiana. No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 269 Schizolachnus Mordwilko. S. pineti (Fabricius). Aphis pineti Fabricius. Spec. Ins., ii, 389, 1781. This species is easily distinguished by the white flocculent waxy threads which cover the body. The wing venation is somewhat deceptive as the median vein is frequently simple. The sensoria are variable on the antennae of the alate forms as there are in most specimens none on the third segment. In others there may be from one to five. The location of these is quite distinctive as they are located on the basal half of the segment instead of the distal half which is the case with practically all other Lachnids. Apterous viviparous female: General color dusky dark grayish green, covered with waxy threads which come from glands situated mostly on the dorsum of each abdominal segment. Eyes deep red almost black, basal portions of the antennae, the cornicles and the legs, except a small portion of the front and middle tibia, dusky black. The hind tibiae are jet black. The antennae are long and slender, reaching midway between the hind coxae and the cornicles. The third segment is shorter than the fourth and fifth segments together, the fourth is slightly longer than the fifth and the sixth is shorter than either of these; three and four without sensoria and five with the usual large one at the distal end. Cornicles small and irregularly cone-shaped. Cauda broadly angled. Measurements: Length of body, 2.15mm. Length of antennal segments, i11,0.46mm.; iv, 0.19mm.; v, 0.20mm.; vi, 0.17 mm. Total length, 1.15mm. Rostrum, ili, 0.12mm.; iv, 0.Imm.; v, 0.063 mm. Total length,8mm. Length of hind femur, 1.05 mm. ; hind tibia, 1.62 mm.; hind tarsus, 0.083 + 0.33 mm. Alate viviparous female: General color same as apterous forms. Antennae perhaps a little more dusky. All parts of the legs are black except the middle portion of the second pair of tibiae. Measurements: Length of body, 2.14mm. Length of antennal segments, iii, 0.41 mm.; iv, 0.23 mm.; v, 0.23 mm.; vi, 0.187 mm. Total length, 1.25mm. Rostrum same as in apterous form. Length of hind femur, 1.1 mm.; hind tibia, 1.78 mm.; hind tarsus, 0.083 + 0.35 mm. Food plants: Pinus scopulorum, P. radiata. Unilachnus Wilson. U. parvus (Wilson). Lachnus parvus Wilson. Trans. Am. Ent. Soc., xli, 104, 1915. Alate viviparous female: Body elongate and slender, antennae and legs medium slender and thickly covered with long slender hairs. Antennae reaching to the third pair of coxae and the rostrum reaching to the second pair; rostrum broad and blunt at 270 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. the tip. The third antennal segment bears about eight small sen- soria; the fourth two and the fifth a single large one near the distal end; sixth with the usual large one near the base of the antennal spur. Wings hyaline and the median vein but a very indistinct single piece. Cornicles small and more or less bell- shaped. The opening rather large for the base. Cauda bluntly angled. . Measurements: Length of body, 1.48mm.; width, 0.6mm. Length of antennal segments, iii, 0.32mm.; iv, 0.154mm.; v, 0.176mm.; vi, 0.154mm. Length of wing, 2.5 mm.; length of hind tibia, 0.92 mm. ; length of hind tarsus, 0.3 mm. and 0.066 mm. ; length of rostrum, 0.49 mm. , Food plants: Pinus rigida, P. virgimana. Eulachnus Del Guercio. E. agilis (Kaltenbach). Lachnus agilis Kaltenbach. Mon. der Pflanz., 161, 1843. Apterous viviparous female: General color, orange-brown to greenish black; the color is caused to vary more or less by a grayish pulverulence covering the body. When placed in balsam, four rows of black spots are visible on the body and from each one there arises a long spine-like hair. Antennae light at the base and shading to black at the tip. Antennae long and slender and quite spiny. The third segment is not quite as long as four and five together, segments four and six approximately equal. The rostrum is short, not quite reaching the hind coxae. The cornicles are small with a narrow cone-shaped base. Entire body covered with long spine-like hairs. Measurements: Length of body, 2.4mm. Length of antennal segments, ill, 0.45 mm.; iv, 0.24mm.; v, 0.31 mm.; vi, 0.24 mm. Total length, 1.4mm. Length of hind tibia, 1.6mm.; hind tarsi, 0.12 mm. and .22 mm. Alate viviparous female: General color dark green or brown covered with white waxy powder or threads. When mounted in balsam the head and thorax are brownish and the abdomen green- ish brown. Antennae and hind pair of legs black, the tibia of the front pair of legs light-colored except at the ends of the segment. Antennae long and slender and set with long black spine-like hairs. The third segment without sensoria, fourth and fifth with one each. Other characters as in apterous forms. _ Measurements: Length of body, 2mm. Length of antennal segments, ili, 0.44mm.; iv, 0.25mm.; v, 0.26mm.; vi, 0.19 mm. Total length, 1.3mm. Length of hind tibia, 1.6mm. Length of hind tarsus, 0.12 mm. and .22 mm. Food plant: Pinus spp. No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 271 Essigella Del Guercio. E, pini Wilson. Ent. News, xxv, I, I919. Apterous viviparous female: General color a light yellowish green, with a series of rows of small brown spots on the abdomen. The fore part of the body is quadrangular, while the abdomen tapers to a point. The antennae are five-segmented. The ros- trum of this species and of &. californica are also quite distinct, the terminal segment being crescent-shaped at the tip. The cor- nicles are small and without the large cone-shaped base found in most species of Lachnids. Length of body, 1.5 mm. Alate viviparous female: The antennae are five-segmented. General color yellowish green; the thorax being brownish (?). The abdomen is marked with a series of brown spots which occur in longitudinal rows. The antennae are short and have five seg- ments; distal half of the third, and the fourth and fifth segments, brown. The fifth segment is longer than the fourth and the fourth and fifth together are slightly longer than the third; third segment with three and sometimes four roundish sensoria; fourth with one large one at the distal end, and the fifth with one large and several small ones near the tip. The head is set with coarse spines, six of which are set in front; similar spines are found on the body. The antennae have a few inconspicuous spines widely set apart. The legs are distinctly spiny but not as much so as in Essigella californica. The rostrum is short with the third and fourth segments quadrangular and the terminal segment half moon-shaped and not acutely pointed as in other species of Lachninae. Wings long and narrow, front wing usually with the median vein simple. ‘The tibiae are short and rather stout while in E. californica they are longer and more slender. The cornicles are but openings with thickened edges. The cauda is angular with the tip elongated into a sharp nipple-like projection. Measurements: Length of body, 1.55mm. Length of antennal segments, ili, 0.21 mm.; iv, 0.Imm.; v,0.145mm. Total length, 0.6mm. Length of wing, 2.33 mm.; width,o.q mm. Length of beak, 0.64mm. Length of hind tibiae, 0.85 mm.; hind tarsus, 0.I mm. and 0.145 mm. Food plants: Pinus strobus, P. virgiana, P. spp. Subfamily ApHipInAE—Tribe CALLIPTERINI. By ArTHUR CHALLEN BAKER, PH.D. The tribe Callipterini is composed of forms which live upon the foliage and bark of plants. The species in many subtribes have developed peculiar habits. Some are almost solitary whereas others live in colonies. Some have developed the power of leaping 272 CONNECTICUT GEOL, AND NAT. HIST. SURVEY. [Bull. whereas others are very sedentary. The sexual forms do not vary greatly from the viviparous ones. In nearly all of the subtribes the males are winged, but in the Saltusaphidina they are apterous. In the other tribes several kinds of males may be found in the same species. Apterous males and fully winged males may be seen and various types of intermediate males also occur. The oviparous females are nearly always apterous but in the Phyllaphidina winged oviparous females are present in the genera Tamelia and Neophyllaphis. The latter genus, however, does not occur in New Engiand. The wing veins are not greatly reduced in any members of the tribe. Considerable variation, however, is shown in the cornicles, although they are never long and prominent as in the Aphidini. The usual form is the truncate cornicle seen in Myzocallis, Chaito- phorus, etc. Very often they are sculptured. In some cases they are reduced to small cup-shaped structures and again they may be represented by mere rings. 12 4C15. Fic. 26. Structures of aphids of the Subtribe Pterocommina. (1-2) Melanoxantherium medium Baker. (3-4) Pterocomma populea Kaltenbach. (5-6) Melanoxantherium smithiae Monell. (7-8) Melanoxanthertum bicolor Oestlund. (9-10) Melanoxantherium beulahensis Cockerell. (11-12) Melanoxantherium flocculoswm Weed. (13-14) Melanoxantherium salicts Linnaeus. (15-16) Melanoxantherium popultfoliae Fitch. All greatly enlarged. Drawing by Dr. A. C. Baker. No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 273 The antennae are as a rule long and slender and are armed with few sensoria excepting in the males. These sensoria are usually small and subcircular or oval in shape. In rare cases they are elongate. 3 The cauda is generally knobbed and the anal plate bilobed. In some cases, however, both cauda and anal plate are rounded and in the Saltusaphidina the anal plate is completely divided. Wax secretion is present to a limited extent. It is most promi- nent in the Phyllaphidina. Here there are large abdominal wax plates in all of the forms. and the insects present a woolly-like appearance on the foliage. Wax secretion is also present in the genus Euceraphis, but only to a limited extent and in the Saltusa- phidina it is especially prominent in some of the oviparous forms. This holds true also in the Phyllaphidina. The habit of leaping is most prominently developed in the Saltusaphidina as the name implies. Here the muscles of the femora are greatly enlarged for this purpose. Many other mem- bers of the tribe greatly approach this condition and in this con- nection the genus Monellia may be especially mentioned. Others, although they do not distinctly leap, drop so suddenly when disturbed that they almost appear to do so. Our common Syniydobius on the birch is very difficult to collect on account of such a habit. Certain species are closely attended by ants in return for the honey dew excreted and some species are protected by these insects by means of sheds or roofs built over colonies on the leaves or twigs. The relations of the different subtribes may be expressed by the accompanying diagram. (Fig. 27.) Key to Subtribes. 1. Eyes of alate form with ocular tubercles present; head not elongate 2 Eyes without ocular tubercles; head often elongate ........... Saltusaphidina, p. 289 2. Antennae armed with many rather long prominent hairs ......... 3 Antennae with minute bristles or only a very few hairs .......... 5 ERE ERE ep SiC an vie Ac ivordie's ska Oe MS eRe MS gee eee il ee 4 SE ee Fullawayina, p. 288 4 Cornicles cylindrical or vasiform ............. Pterocommina, p. 288 Cornicles truncate, enlarged at base ........... Chaitophorina, p. 281 5. Cornicles present, position as usual ............e ee eee eer eeeeeees 6 SS TMS 00, ee [ Monaphidina] 6. Cornicles rarely reduced to mere rings; insects not prominently Bmw mover Pall MIGKErS 2.22.6 ee le ee ce ence eeeeccens 7 Cornicles reduced to rings; large abdominal wax plates present making the insects prominently woolly; occasionally gall makers Phyllaphidina, p. 287 7. Cornicles variable, usually rather long and somewhat swollen; oviparous female with an elongate ovipositor Drepanosiphina, p. 285 Cornicles never long, always short and truncate; oviparous female not always with an elongate ovipositor ......... Callipterina, p. 274 274 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. Subtribe CALLIPTERINA. Cornicles present, truncate in form. Antennae with setae or spines of six segments and armed with subcircular or in a few cases somewhat elongate sensoria. Wings often clouded, mottled | or banded. Cauda as a rule knobbed, anal plate usually more or less indented or bilobed. Body often armed with capitate hairs or spines. Monaphidina Fullawayina Saltusaphidina Drepanaphidina Pterocomnina Callipterina Phyllaphidina Chaitophorina Callipterine Fic. 27. Derivation of Callipterine aphids. Drawing by Dr. A. C. Baker. Key to Genera. 1. Cauda not distinctly knobbed; anal plate entire or nearly so ..... 2 Cauda distinctly knobbed; anal plate bilobed or sometimes deeply divided (i .'2 on 2. sp iceeclels «ms dip ocbias sete Soi eee en 3 2. Antennae minutely setose, sensorium at base of unguis oval or somewhat rounded; oviparous female with secondary sensoria .. Symydobius, p. 280 Antennae not minutely setose; sensorium at base of unguis long and narrow, oviparous female without secondary sensoria ...... Euceraphis, p. 277 3. Anal plate bilobed, not deeply divided, cauda distinctly knobbed .. 4 Anal plate deeply divided with a U-shaped cleft, lobes somewhat separated at base; cauda knobbed, often somewhat elongate .... Therioaphis, p. 281 4. Cornicles truncate, fairly well developed; wings not held horizontal PUECTIOSS (Le ce NR tune ie eae nade ne tech ete Cornicles reduced almost to mere rings; wings sometimes held horizontal (i TepOSe’ s Cs. w c's Esl pee ie ee Monellia, p. 279 5. More or less distinct antennal tubercles present, oviparous female with secondary sensoria; radial sector often absent Calaphis, p. 275 No distinct antennal tubercles present, oviparous female without secondary sensoria; radial sector usually present Myzocallis, p. 279 No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 275 Calaphis Walsh. Cornicles present, distinct, truncate; antennae of six segments armed with oval sensoria and placed on more or less distinct antennal tubercles. Fore wing with the media twice branched, the radial sector either absent or faintly indicated, sometimes, however, complete ; hind wing with both media and cubitus present. Cauda _ distinctly knobbed, anal plate bilobed. Forms more or less solitary upon the foliage ; sexes not markedly different from the other forms; oviparous female producing several eggs and possessing sensoria upon the antennae. Key to Species. 1. Unguis of segment vi of antenna between two and three times as MEE Sr pete he da tee lant aa va,c Pee ok Wi.) 2 Seale ik Me, weld Mae awe 2 Unguis of segment vi four times or more as long as base ........ 4 @eeread and thorax not striped longitudinally .............0c0.0008- 3 Head and thorax longitudinally striped with black; all wing veins heavily bordered with black or dark brown ................ betuella 3. Transverse bands upon the abdomen as well as the cornicles black or dark brown; unguis of segment vi shorter than width of head ee net Sc eae ia tal We isa, UN veh dal cla ad Miso eed Bike annulata Abdomen without such dark markings; cornicles yellow; unguis of segment vi longer than width of head across the eyes ..... betulaecolens 4. Antennae uniform dusky or black with the exception sometimes of mememitaric, te basal. portion Of i 26... 8.0. joa ei cee ak wee Antennae alternately banded with yellow and black; media thinner than other veins of wing; unguis of segment vi about five times PEN ESET ets te en Bate PE elec. dw buen A ae bee castaneoides 5. Unguis of segment vi about four times as long as base ........... 6 Unguis of segment vi about six times as long as base; media wueieine Same as other veins of the Wing ...2....0..0.0ese00-08 alni 6. Media thinner than other veins of wing, with the radial sector MITRE ECR or i. a Succ 'g ees Bate wk eee ee we eae castaneae All veins of the wing about the same and bordered with brown; Eee cae Ott y ADSENE v0... be 6 oko oi oe oe on thee! 6 erehe myricae n. sp. C. myricae Patch, n. sp. This conspicuous aphid is very common on sweet fern (Myrica asplentfolia) in the vicinity of Orono, Maine, and has been held in the collection under the manuscript name of Calaphis myrica since 1906, when it was first taken. The body of both the apterous and alate females is green. The cornicles are black throughout or else green at the base and black at the tip. Alate viviparous female: Relative lengths of the antennal seg- ments iii to vi indicated by 20, 14, 12, 4+ 17. Segment ii has from about twenty to twenty-four sensoria extending in a some- what irregular row, the basal one-sixth and the distal one-fourth of segment without sensoria. Frontal tubercle prominent, nearly as long on the inner margin as the inner margin of segment i of antenna. Veins of fore wing heavy and about uniformly shaded with dark brown. Radial sector absent. Cauda as long as [Bull. SURVEY. CONNECTICUT GEOL. AND NAT. HIST. 276 wed “W WPA Aq Aq surmeiq “posrelus Aljeols [TY “sye_ Snupsuaup (snsoydojwy7) smkygi4ag (91) “punyiseQ avuyosas wnydisojogoyy ($1) “YOU 407DI14qQui snjrydis04g (V1) ‘“Yoequayey yooyvs siydp (€1) “yueIyIG taysojtx aukdor0yg~rgy (21) ‘ayaI]ID wyasng smiqvsay] (11) ‘“D4axoyhyg (O01) ‘YIN avaunjsnd srydvjv7 (6) ‘sam4aay (8) ‘SassyjowmpuveT (4) “vanaundjayT (9) ‘“snavpudpy (S) ‘ata9Haq tajsojfx snprydiosg (V) ‘sntdtaqeyz 1407 pida—0UpR” (€) “AYSAONPO]OYD 2vso4 snuysnjoddiny (Z) “{[oUuoyW 174 wnydisousvpy (1) ‘spryde jo sBut~, ‘gz ‘OI No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 277 cornicle, distinctly knobbed and armed with long lash-like hairs on knobbed part. Body hairs near cauda and on front of head stiff and capitate. The apterous viviparous female has the body armed with capitate hairs. Antennal segment iii has from fifteen to twenty circular sensoria in a row which does not cover the proximal fifth or the distal third of segment. Described from specimens taken at Orono, Maine, 1906-1918. Cotype specimens in the U. S. Natural Museum, and at the Maine Agricultural Experiment Station. C. alni Baker. Proc. Ent. Soc. Wash., xviii, 188, 1916. C. annulatus (Koch). Chaitophorus annulatus Koch. Die Pflanz. Aphiden, 7, 1854. C. castaneae (Fitch). Callipterus castaneae Fitch. (Fig. 28, 9.) Nox. and Ben. Ins., 3, 471, 1856. ' On chestnut, New Haven, 7 ee 1909 (A. I. B.); 20 Aug., 1912 (W. E. B.); 27 June, 1914 (M. P yin C. betulella Walsh. Proc. Ent. Soc. Phila., i, 301, 1862. C. castaneoides Baker. Proc. Ent. Soc. Wash., xviii, 187, 1916. C. betulaecolens (Fitch). Aphis betulaecolens Fitch. Homop. N. Y. St. Cab., 66, 1851. On birch, New Haven, 23 June, 1919. Euceraphis Walker. Cornicles present, truncate. Antennae of six segments, long and slender; armed with rather narrow sensoria usually near the base of segment 111, the unguis of segment vi usually not much longer than base, sensorium at base of unguis long and oval. More or less distinct antennal tubercles present. Fore wing with the media twice branched, hind wing with both media and cubitus present. Cauda usually knobbed and rather large, anal plate usually entire. Abdomen of the alate form often with distinct wax producing glands. Forms very large and usually solitary in habit; sexes not very different from the other forms. Key to Species. 2 ipiae not uniform black and without clear pores ................ 2 Tibiae uniform black and covered thickly with a large number of IPTC IPI EER UN Leek A SL oil uee aati pre dle wie ww oes esas mucida 2. Abdomen without dark patch and clear wax pore areas ........... 3 Abdomen with a large dark brown patch in which are clear wax RCI ieee OL. 828 6 oa vy vo ec eo alas PV code engin ss betulae 3. Combined length of base and unguis of vi about equal to or much more than the diameter of head across the eyes ..............-. 4 [ Bull. CONNECTICUT GEOL. AND NAT. HIST. SURVEY. 278 ‘ye ‘W Ypa “iq Aq Suimeiq = ‘paSseus Ajyeois [[y ‘oyeye—yojeg suajonsuayndua wnydisosvypy (S$) ‘sno193de—‘Sissq suosfiqign wnydisossnpy (¥) ‘oyefe—‘snoeuury wya20un, wnydisosvpy (£) ‘snoisjde—‘snoeuury ya2vun, wnydisosmvpy (Z) ‘(sojeusoy snoiediata) spiyde jo isie} pue soporusi09 ‘aeuuajuy ‘6z ‘OI ‘snojajde—‘snoeuury 1wy2u0s mnydisosmvpy (1) ser WESTIE OPIS oY BX) 394055’ STIS) aa et {( TORS 1h eee he Palen gir ee eee = ——— Nc ——————— ee Ss NEN 2 weer eee Le ~< ae a a aa { (aie S - omen r ee ree SOO LC eee de No od ots ko aoe ° 0 O 50 € No. 34.] | HEMIPTERA OF CONNECTICUT: APHIDIDAE. 279 Combined length of base and unguis of vi about equal to half of the MemeeLeY OT fea aCLOSS: TE EYES fs dws ce cscs ccerd soi ood vaule e nico brevis 4. Unguis of segment vi less than one-third of the length of base deducta E. betulae (Koch). Callipterus betulae Koch. Die Pflanz. Aph., 217, 1855. Hartford, 11 Sept., 1905 (C. N. Ruedlinger). E. brevis Baker. Jour. Econ. Ent., 10, 426, 1917. E. deducta Baker. Jour. Econ. Ent., 10, 429, 1917. E. mucida (Fitch). Callipterus mucidus Fitch. Nox. and Ben. Ins. N. Y., 3, 334, 1856. On black birch, New Haven, 8 July, 1909 (A. I. B.); on Betula popu- lifolia, Rainbow, 12 Oct., 1909 (W. E. B.); 20 Oct., 1909 (W. O. Filley) ; on black birch, New Haven, 1 July, 1913 (L. B. R.). Monellia Oestlund. Cornicles present as mere rings. Antennae slender, of six seg- ments; sensoria oval or subcircular; head broad; prothorax prominently separated. Fore wing with the media twice branched ; hind wing with both media and cubitus present. Wings often held flat upon the back in repose. Cauda knobbed, anal plate bilobed. Forms living solitary upon the leaves, sometimes having the power of leaping. Apterous forms rare. Key to Species. 1. Costal margin of wing without broad band, though in some cases PPT IGOStAL, VEIT MEOW.) 2/5 L8G OSES BS OD SF Pay Ss cae Po le SE de 2 a Pp n e n - x FI < A (ie a < =| fe) a O Gq 2) S Fah 2 ane foal & aG IG B a : ——. fe) 7 eee eee O Pan a> ser aramemeame race La 2 xorsay, 282 No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 283 Fore wing with the media twice branched; hind wing with both media and cubitus present. Cauda distinctly knobbed; anal plate entire, sometimes slightly indented. Sexual forms not differing markedly from the viviparous ones. Males winged, intermediate and apterous often in the same species. Forms living usually upon foliage. No small dimorphic forms developed. Key to Spectes.* Vertex and crown covered with reticulate areas; segment iv of antennae with 4-6 sensoria; dorsum of apterous form reticulate nigrae Vertex and crown without reticulations but these replaced by granulations; segment iv of antennae with usually not more than eesensonia: apterous form grantilate 2.0.00...) dees. ceeds viminalis C. viminalis Monell. C. stevensis Sanborn. ma U.S: Geol. Geog. Surv. Terr., v, 31, 1879. On Populus grandidentata. New Haven, 29 June, 1914 (M. P. Z.). C. nigrae Oestlund. C. cordata Williams. Aphid. Minn., 49, 1886. On willow. Yalesville, 15 July, 1909 (W. E. B.). Neothomasia Baker. (n. n. for Thomasia Wilson. ) Cornicles present, truncate in form. Antennae of six segments armed with subcircular sensoria. Fore wing with the media twice branched; hind wing with both media and cubitus present. Cauda and anal plate both rounded. Forms living in colonies upon the leaves or bark of trees; no smal! dimorphic forms developed. N. populicola (Thomas). Chaitophorus populicola Thomas. fee Lab, Nat. Hist., Bull. 2, 10, 1877. The only species recorded from New England. On Populus. New Haven, 22 July, 1909 (A. I. B.). Periphyllus Van der Hoven. Cornicles truncate, often sculptured. Antennae of six segments (not including the dimorphs) armed with oval sensoria. Fore wing with the media twice branched; hind wing with both media and cubitus present. Cauda and anal plate rounded. * Chaitophorus delicata Patch, known only from the apterous forms, is not included in the key. oe ye ‘WW UPA “3q Aq Surmesq, “passyluo Ayyeoss [PY “sMIqey 1409 DI220Upy (SI) ‘YW 40 DI1aquir smiydrworg (v1) ‘smioaqey tmu409 snprygisoagoan (£1) “aVeAI[ID nyojog sniqvaay yt (Zt) “punyiseQ svpsvuow siydp (11) ‘ayeje—‘seuloyy, wyuvjoygaa siydp (O01) ‘ayepe—‘yo}eq Mma4ogups siydp (6) ‘ayeye—‘sewoyy apiuousae siydp (8) ‘arele —yoequayey imangny siydp (2) ‘ayeje—‘sniolaqe.y 1sD499 sust py (9) ‘sno1syde—‘punjisaQ avuijosas wmmnydisojpgdoyy (S) ‘aqeje—‘pun3seQ avurzoras wmnydisojogoyy (Vv) ‘snistiqey anargnd aursor0ydig (€) ‘ayee—yuRIyIS 1tazsoptv audsoz0ygrs (Zz) ‘“yueIysS Saprounj;n]¢ winydisoungaaq (1) *(SaTeutay snoiediatA) spryde jo Isiv} pue sapousoo ‘aeuusjuy “If “Oly { Bull. a ae a 2 { Fee —_—---— See Se 0000 Reuse On 1 Or On or fe al ' cre ta CTOs WOELONS (CH hs Wes oN OL Ot reerereee: (Ol Crs OR rerctirrrms caen ar ee es ro CONNECTICUT GEOL. AND NAT. HIST. SURVEY. 284 No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 285 Farms living upon the foliage of trees. Small lamellate or hairy dimorphic forms developed in summer; bodies usually elongate. Key to Species. 1. Segment iii of antennae with 4 to 9 sensoria in a more or less even a Bi Sida rbicdigis\ a alla n/n a A 0, Si Waa orm Hiei yee w MRIS, Uae 2 Segment iii of antennae with 16-24 sensoria somewhat irregularly placed on the basal three-quarters of the segment ....... americanus 2. Unguis of segment vi of antenna less than three times as long as as Oe Wid ae eile wm aes WU iee ana etie sees negundinis Unguis of segment vi of antenna much more than three times as long as base, often more than four times as long .......... lyropicta Key to Dimorphs of Species. 1. Antennae considerably shorter than body; base of distal segment EIR es EAR EDS: AICPA oS i ce dn om we aw Ad ws eed the 2 Antennae nearly as long as the body; base of distal segment about EMENICE 1S 162 3S (NWS 2... es ee end claw nc ledeeeee americanus 2. Base of distal segment one-third to one-half as long as unguis negundinis Base of distal segment fully as long as unguis ............ japonicus* P. americanus Baker. Chaitophorus americanus Baker. (Fig. 28, 16.) Jour. Econ. Ent., 10, 428, 1917. On sugar maple. Brookfield Center, 10 May, 1913 (C. Holder). P. lyropicta (Kessler). Chaitophorus lyropictus Kessler. Nova Acta, Deutsch. Akad. Nat., li, 171, 1886. On Norway maple. Mcriden, 26 June, 1912 (Louis A. Gudebrod). P. negundinis (Thomas). Chaitophorus negundinis Thomas. Ill. St. Lab. Nat. Hist., Bull. 2, 10, 1877. Sipha Passerini. Cornicles truncate, short, almost mere rings. Antennae of five segments armed with large circular sensoria. Body form fiat, entire insect often covered with long, stout hairs. Fore wing with the media twice branched; hind wing with both media and cubitus present. Cauda knobbed. Anal plate rounded. Only one species recorded from New England. S. glyceriae (Kaltenbach). Aphis glyceriae Kaltenbach. Mon. der Pflanz. 113, 1883. Subtribe DREPANOSIPHINA. Cornicles present, usually prominently developed; cauda as a rule knobbed and the anal plate entire, slightly indented or bilobed. Oviparous female with a long drawn-out ovipositor. _ *® This species is known only from the dimorph and it has been taken only in Pennsylvania. 286 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Forms living on the foliage of plants, usually more or less solitary in habit, often strikingly colored. Key to Genera. Cornicles quite long and somewhat swollen in the middle ...... Drepanosiphum, p. 286 Cornicles not especially prominent and with the swelling at the base Drepanaphis, p. 286 Drepanaphis Del Guercio. Cornicles large but rather narrow toward the distal extremity and distinctly swollen at the base. Antennae of six segments armed with subcircular or oval sensoria. Fore wing with the media twice branched, hind wing with both media and cubitus present. Cauda knobbed; anal plate somewhat indented. Forms somewhat solitary on the leaves of trees; males usually winged. Key to Species. Abdomen with a bilobed tubercle on dorsum and with three other pairs. Sensoria usually extending over entire segment ....acerfoliae Abdomen usually without pairs of tubercles other than the bilobed one, never with three pairs. Sensoria usually located at base monelli D. acerifoliae (Thomas). Siphonophora acerifoliae Thomas. Phymatosyphum acerifoliae (Thomas) Davis. Hi St Lab, Nat. Hist.’ Bulli 2, 4.71877. This is a well-marked species with bordered wing veins and prominent tubercles on dorsum of abdomen. On cut leaf maple. New Haven, 3 Aug., 1909 (A. I. B.); on sugar maple, New Haven, 15 June, ro10, 8 June, 1911 (G. A. Cromie); 1 July, ters (Bee Hamden, 6 June, 1913 (W. E. B.); Hartford, 3 June, 1915 (Hartford Forestry Co.). D. monelli Davis. Ann. Ent. Soc. Am., 11, 197, 1909. Drepanosiphum Koch. Cornicles very long subcylindric or swollen in the middle. Antennae of six segments armed with oval or subcircular sensoria. Fore wing with the media twice branched; hind wing with both media and cubitus present. Cauda knobbed. Anal plate slightly indented. D. platanoides (Schrank). Aphis platanoides Schrank. (Fig. Gee, Fauna Boica, ii, 112, 1801. The only species recorded from New England. On Sycamore maple. Stonington, 29 May, 1909 (W. E. B.). No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 287 Subtribe PHYLLAPHIDINA. Forms living free or in pseudo galls. Sexual forms often both alate, sometimes, however, apterous or intermediate; oviparous female producing several eggs. Flocculent wax often abundant. Cornicles present; antennae of six segments with the unguis usually short, sensoria elongate or subcircular; cauda knobbed or rounded, anal plate often bilobed or deeply divided; wax glands large. Key to Genera. Seta rounded; atial plate entire ......:.......0s0s- Tamelia, p. 287 Cauda knobbed; anal plate somewhat bilobed ...... Phyllaphis, p. 287 Phyllaphis Koch. Cornicles present as chitinized rings which are very slightly elongated on low conical bases. Antennae of six segments, long and slender, minutely setose, sensoria narrowly oval. Fore wing with the media twice branched; hind wing with both media and cubitus present. Cauda knobbed, anal plate bilobed. Large wax glands present. Forms living on foliage sometimes causing curling of the leaves. Males winged; oviparous females apterous. P. fagi (Linnaeus). Aphis fags Linnaeus. Syst. Nat., Edn. 12, 735, 1767. The only species recorded from New England. Southport, 31 May, 1906; Farmington, 11 July, 1906; on beech, New Haven, 14 June, 1909 (B. H. W.); Norwich, 17 Sept., 1910. Tamelia Baker. Cornicles present as rings on elevated conical bases. Antennae of six segments armed with narrow sensoria. Fore wing with the media once branched (often twice branched); hind wing with both media and cubitus present; cauda and anal plate both rounded. Large wax plates often present. Forms living in pseudo galls or on the foliage; oviparous female often winged. Type: Pemphigus cowens Cockerell. Key to Species. Forming galls on bearberry; oviparous females winged ....... coweni Forming woolly colonies on oak leaves; oviparous females not I ries ets ches. ae es e AA a ee sei see dale’ quercifoliae T. quercifoliae (Gillette). Phyllaphis quercifoliae Gillette. Ent. News, xxv, 272, 1914. Specimens of quercifoliae from Gillette indicate that quercicola Baker is the same species, since great variation occurs. Winged, 288 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. wingless and intermediate males are found. Sometimes in one locality the males are nearly all apterous, sometimes nearly all winged. T. coweni (Cockerell). Pemphigus coweni Cockerell. Can. Ent., xxxvii, 392, 1905. Subtribe FULLAWAYINA. This subtribe is an evident specialization from the Chaitophorina by the reduction and total lack of the cornicles. It bears the same relation to the Chaitophorina that the Monaphidina does to the Callipterina. Only one genus is represented. Fullawaya Essig. Cornicles absent; antennae of six segments, sensoria small and subcircular. Cauda rounded; fore wing with the media twice branched. Hind wing with both media and cubitus present. Forms living commonly on the roots of plants. F. saliciradicis Essig. Pour Colly Jour. Pat. \4, 737; 101. The only species recorded from New England. Subtribe PTEROCOMMINA, | Forms living on the bark of poplars and willows; bodies promi- nently hairy; cornicles often prominently developed but showing much variety among the species; cauda and anal plate rounded; Oviparous females wingless; males showing winged, wingless and intermediate forms in the same species. Key to Genera. Cosaiclesveylindricab ic, Meth sel, antes e eee Pterocomma, p. 289 Cornicles more or less swollen ........... Melanoxantherium, p. 288 Melanoxantherium Schouteden. Cornicles variable in size but usually more or less elongate and swollen; antennae of six segments, sensoria oval or subcircular. Fore wing with the media twice branched; hind wing with both media and cubitus present. Cauda and anal plate rounded. Key to Species. 1. Cornicles with a distal flange and not so abruptly constricted at their distal wextremnitiy s.c0oi, cae is wie o)h ots tiie asa» Qe ee 2 Cornicles without a distinct flange and abruptly constricted at PLUSH Memet TOTP acs © 5p. 50: benim tna ie ome Jo nna label nds Roe flocculosum 2, Cornicles much more than twice as long as their greatest diameter 3 Cornicles about twice as long as their greatest diameter ...... smithiae 3. Cornicles much longer than hind tarsi)... .2........% 3: sume 4 Cornicles about equal in length to the hind tarsi ............. medium 4. Cornicles about twice as long as the hind tarsi ...........++seee- 5 No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 289 Cornicles much more than twice as long as the hind tarsi, much swollen in the middle and bright orange in color ............. salicis 5. Unguis of segment vi of antenna about equal in length to the Gemmitcies atid about twice as long as base ....:....c.0ccesecs bicolor Unguis of segment vi considerably shorter than the cornicles and Meenae 1S GME AG MAGE! Ys 5 6 hale sik vw bleh bile eb e awed populifoliae M. bicolor (Oestlund). Melanoxanthus bicolor Oestlund. (Fig. 26, 7-8.) Aphid. Minn., 36, 1887. M. flocculosum Weed. Melanoxanthus flocculosus Weed. (Fig. 26, II-I2.) Ins. Life, iii, 291, 1891. M. ey (Fitch). Aphis populifoliae Fitch. (Fig. 26, 15-16. Homop. N. Y. St. Cab., 66, 1851. M. medium (Baker). Pterocomma media Baker. (Fig. 26, 1-2.) Jour. Econ. Ent., 10, 4431, 1917. On poplar. Manchester, 3 Sept., 1909 (A. I. B.); on Carolina poplar, New Canaan, Sr Sept., 1909 (A. I. B.). M. salicis (Linnaeus). Aphss salicis Linnaeus. (Fig. 26, 13-14.) Syst. Nat., Edn. 10, 453, 1758. M. smithiae (Monell). Chattophorus smithiae Monell. (Fig. 26, 5-6.) Bull. U. S. Geol. Geog. Surv. Terr., v, 32, 1879. - On poplar. New Canaan, 9 Oct., 1902; on willow, New Haven, 30 Aug., 1909 (A. I. B.); on poplar, New Canaan, 19 Sept., 1910 (W. E. B.). No species of the genus Pterocomma has as yet been definitely recorded from New England. Subtribe SALTUSAPHIDINA. Forms living usually on the foliage of sedges; bodies elongate, eyes without ocular tubercles; legs often modified for leaping; sexes usually both apterous; cornicles reduced; antennae held out in front of body. Key to Genera. Head considerably elongate; cornicles cup-shaped; legs modified RIMM ON Sce a sp iaiarh ey ern ae oie ee Saltusaphis, p. 289 Head not much elongate; cornicles mere rings; legs not modified for leaping; oviparous female with prominent wax glands .... Thripsaphis, p. 290 Saltusaphis Theobald. Cornicles truncate or cup-shaped; antennae of six segments, _ N. B. Melanoxantherium antennatum Patch is known only from the Oviparous female. Io 290 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. minutely setose; sensoria small and subcircular. Head elongate, ocular tubercles absent. Fore wing with the media twice branched, hind wing with the cubitus usually absent. Cauda knobbed, anal plate divided, caudal extremity of abdomen some- times bilobed. Body often covered with modified spines. Key to Species. Body without prominent hairs excepting simple ones on the caudal portion; vertex: strongly conical .. 2... .2c2... eee elongatus Body with knobbed hairs about 0.016 mm. long; vertex not strongly CGH AL Higa s: ds date tere ots pnw Sm Syn raysbeye eee ekeue era ote ee americanus S. americanus Baker. (FI. ix, 1.) | Can’ Bat., xlix, 3% 1017. S. elongatus Baker. (PI. ix, 3.) Can. Ent. xlix, 4: rorg Thripsaphis Gillette. Cornicles present as slightly elevated rings. Antennae of six segments armed with subcircular sensoria. Eyes without ocular tubercles. Fore wing with the media twice branched; hind wing with the cubitus sometimes absent. Cauda knobbed; anal plate divided; body with spine-like hairs. Forms living free on sedges and grasses; sexes apterous; oviparous female with large wax plates. T. balli (Gillette). Brachycolus balli Gillette. Can. Ent., xl, 67, 1908. The only species recorded from New England. Tribe APHIDINI. The New England species belonging to the Aphidini according to current usage fall into the following genera: Aphis, Anuraplus, Brevicoryne, Hyadaphis, Hyalopterus, Liosomaphis, Mastopoda, Rhopalosiphum and Siphocoryne. Perhaps the common character- istic which comes nearest to separating them from the Macrosi- phint is the absence of a distinct frontal tubercle at the base of the antenna; and there is a vague borderland even on this character For the most part, however, there is no difficulty in distinguishing the two groups. Aphis, Anuraphis, Brevicoryne, Hyalopterus. The four genera indicated and the others closely allied, on account of the “borderland” species are still perhaps most easily handled if keyed together. Key to Species. 1. Hind wing with M and Cu both present .....2......-.. sense a Hind wing with but one discoidal vein \. ....0..5. 500. «are setariae 2. Cornicle longer than ii or if not then cauda elongate ............. 3 No. 34.] © HEMIPTERA OF CONNECTICUT: APHIDIDAE. 291 10. ue 21. 22. Cornicle not longer than antennal segment ii. Cauda abbreviated SII eka ia Gl neg nee hihince atahe G GETCRIE AE cal Wald hfe a AG rumexicolens Cornicle shorter than or subequal to distal segment of hind tarsus,* constricted more or less at base, distinctly though slightly swollen 4 Cornicle longer than distal segment of hind tarsus or if not then mee swouen and not constricted at base ..sciesccwedceecducsidnese 7 Cauda elongate with constriction near middle ................00. 5 anda short and with no constriction ......0..00.cccsceses thn ouas 6 Antennal segment v as long as iv; iv with sensoria ......... atriplicis memorter than iV; iv with SemsOria wc... eee saveens .....arundinis Beak not reaching beyond second coxae ..........eeeeeeee. brassicae Memcreacnine third coxae or beyond 20... 0.605 ce oye casas oes tga Distal filament distinctly longer than base of vi .............. Antenna with distal filament | not distinctly longer than base of vi spiraephila Spring alate female without noticeable sensoria on hind tibia ..... 9 Spring alate female with conspicuous sensoria on hind tibia .... viburnicola Antennal segment iii conspicuously studded with sensoria, appar- BNP OVER ENTE SUTTACE 2.0... ye ene eic dees Sent aes cele 10 III with sensoria more or less numerous ‘but not thickly studded over apparently entire surface and not confined to a row ...... 16 III with few to several een 20) sensoria in regular or mreetiar TOW ...«... ied Se ac wciabeladiate dk wity determine ie 20 Cornicle shorter than filament of 1 1) SE ee Be eareres ty er gy eS II Cornicle as long as filament of antennal segment vi. Prominent tubercle dorsad of cauda ...... A SAL Sat Gt Shinya eh tera adshatarbta ate saliceti Beak not reaching third coxae ...... ths ail Bl ie es CO a 12 Beak extending easily to third coxae ....... aa aoe symphoricarpi mienhal segment v with secondary Sensoria ......s.sevsesseass 13 MemitHOut Secondary SENSOria. ......ececees Diath de eRe whe beaaien bakeri PEENICHIA! 60. V OF IONPET eck eas asc cascades erevons sass 14 Cornicle plainly shorter than antennal segment v ...... crataegifoliae Cauda shorter than one-half cornicle ........ mh ena ae RRA SAS SARE, 15 Samet toneer than one-half cornicle . 2.6.0.0 cscecuces seca varians Pack aphid on peach .......:.. ib Seale Ro beia Makin’ heyater coals’: 5 persicae-niger Bemeoid OH ADPlE .. 2.2... eee cecens ae bapheberae melee «.««.roseus Beak at most not reaching third coxae ............ eT yee Pa cNee dl Eo Peerensily reaching third coxae .......cesencsaeneess ievwe CATO Second fork distinctly nearer to margin than to first fork SR ent 18 Wing with second fork M about midway between first fork and NN lS wid dis er wicy dim, aye inn als w) Sdoterh age hdw rately bois bakeri Cauda broadly conical, not with evident constriction near middle .. 19 Cauda elongate and usually with constriction near PIA velaceyn whyee 35 Cornicle and antennal segment iv subequal in length. Spring RMT PD NUEPIUIL caine c sc ccd cla cevcodnciocsssevewes viburniphila fecre andy subequal, On Prunus .... 6.0ccce.scenseees tuberculata Cauda broadly conical, not with evident constriction near middle 21 Cauda elongate and usually with constriction near middle ........ 22 Cornicle not longer than antennal segment v ..............0- folsomi emmnenenetinctiy longer than Vo. si.e0- nn cain tens vanacseccas forbesi Distance between second fork of M and margin of wing not more than one-third as long as distance between first and second fork 23 Distance between second fork of M and margin of wing plainly ne than one-third as long as distance between first and second Di, ASCE AR nena eae Ree ea ad el Laat Se) wah e wiels mr V wanl oie my'sehaiaiafal oa 24 * Measured exclusive of claws. 292 23 24. 25. 26. 27. 28. 20. 30. 31. 32. 33- 34. 35. 43- CONNECTICUT GEOL. AND NAT. HIST. SURVEY. { Bull. Cornicle shorter than ili eseeteeeeeereseee eee eer eee eee ee ast eoe eee see Cornicle longer than antennal segment iii .................. salicicola Antennal segment iii shorter than iv--v ........... 022 uo eee 25 Til at least subequalto av = vo. 2. i ee maidiradicis Cornicle nearly or quite as long as filament of antennal segment vi 26 Cornicle plainly shorter than filament of vi Pe a eee 2 Filament more than twice as long ‘as base .:..:./) 2 See = Base of antennal segment vi as long as or longer than one-half the’ filament. $2100.02 22 nos 08 ce oe i medicaginis Filament subequal to v.-- base of vi’. ..... 2... 1.22 oe 28 Filament of antennal segment vi about three-fourths the length of Vv -+ base Of Vio... cee eet esc escceeceneaas eee ae laburni Antennal iii with about four or five sensoria ............... rubiphila IIT with about eight to ten sensoria .....).)..2-.. cee pomi Cornicle subequal to or longer than antennal segment iv .......... 30 Cornticle ‘shorter ‘than iv ....0.0. 000605402205 0s 5 er 34 Cornicle distinctly shorter than 111 :...:.......7 22 eee 31 Cornicle and antennal segment iii subequal ................ spiraecola (sometimes gossypii) Antennal segment iv typically with sensoria ................----- 32 IV typically without Ssensoria 2:.......-.. 22. Sec oe gossypii Sensoria of antennal segment iv typically confined to distal two- thirds of segment and often grouped rather than in a row ..sanborni Sensoria of iv in row and not typically confined to distal two-thirds Of Segment: oe cis eles. Jee Sea lee eee any ee abbreviata Cornicle at least three times as long as second joint of hind tarsus exclyusive,of claw.s02 icc cov doe eden Ue coreopsidis Cornicle about twice the length of second tarsal joint ......... furcata Cornicle distinctly less than twice the length of second tarsal joint (see also: 21)? 229. fee a eee maidiradicis Filament of antennal segment vi about three times as long as base cerasifoliae Filament about two times length of base .......... 220 eeu sedi Cornicle plainly shorter than twice the length of second joint of tarsus (exclusive of claws): 2: ....2.0....2.22 5 see Cornicle at least approximately as long as twice the length of tarsus 38 Wine veins ordinary: 2)... .%).%s'.s)s a's se woe ele y ale 27 Wing veins noticeably heavy and a little blurred ....pseudobrassicae Antenna with filament of vi hardly more than twice the length of base of Wi o20 3.060. OO. boned, lo ee maidis Filament of vi more than twice the length of base ..... pseudoavenae Cornicle distinctly longer than segment iv of antenna ............ 39 Cornicle subequal to iv (or at most not distinctly longer) ........ Al Filament more than twice as long as base .....!. 5. eee eee AO Base of antennal segment vi as long as one-half the filament .... rufomaculata Abdomen green. Species occurring on Helianthus and Cornus .. helianthi Abdomen black or dark red with rows of white pulverulent spots on dorsum. \On Populus... 000. 005.0 8 oben = ae ee davisi Antennal segments iv -+ v distinctly eect than ili ... i022) 22 42 TV -+- v subequal to iii or not distinctly longer .......2..¢) seem V without secondary sensoria 0..2.....5...0.23 2.0.5 0ee een 43 Antennal segment v with secondary sensoria ................. varians Base of vi about one-half as long as filament and as much as two- thirds as lone aS Vv‘: icf. ib. eee lees dean bode si 6i) eer Base of antennal segment vi about one-third as long as filament _ and about halt as lone as Vc. sscae ys oe es a se rumicis No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 293 44. Hind tibia about three-fourths as long as Cu of fore wing .... cornifoliae Hind tibia about five-sixths as long as Cu of fore wing ...asclepiadis Aphis Linnaeus. A. abbreviata Patch. Me. Agr. Expt. Sta., Bull. 202, 170, 1912. A. asclepiadis Fitch. Homop. N. Y. St. Cab., 65, 1851. This species is figured by Gillette (1910). A. cardui Linnaeus. Aphis prunt Koch. (Aphis prunifoliae Fitch of original description in part, of Thomas, 1879 and later American authors, except Pergande, up to 1917). Syst. Nat., Edn. 10, 452, 1758. Notes and figures of this long-beaked aphid are given by Patch (1914b). On European plum, West Haven, 6 June, 1914 (Joseph Lesche). A. cephalanthi Thomas. (Fig. 31, 10.) Ill. St. Lab. Nat. Hist., Bull. 2, 11, 1877. The buttonbush aphid is described and figured by Davis (1909b). A. cerasifoliae Fitch. Nox. and Ben. Ins. N. Y., 1, 131, 1856. This choke cherry aphid is described and aeibad by Patch (1914b). On Prunus virginiana, Cheshire, 14 july: 1909 (B. H. W.); on choke cherry, New Haven, 24 June, 1913 (WwW EB). A. coreopsidis (Thomas). Sphonar hors coreopsidis Thomas. Ill. St. Lab. Nat. Hist., Bull. 2, 7, 1877. A. davisi Patch. Jour. Econ. Ent. 10, 418, 1917. This species was recorded as Aphis populifoliae Fitch by Davis (1910b), as A. populifoliae Davis by Patch (1913a) and A. daviss by Patch (1917a). On poplar, New Haven, 25 June, 1903 (B. H. W.). A. folsomi Davis. Ent. News, xix, 143, 1908. Described and figured by Davis (1908). On Ampelopsis quinquifolia, Colebrook, 2 July, 1914 (Howard Bement). A. forbesi Weed. Ohio Agr. Expt. Sta., Bull. ii, 148, 1889. bate of this strawberry species are given by Sanderson .( IQOI 294 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. A. furcata Patch. Me. Agr. Expt. Sta., Bull. 233, 250, 1914. This tiny aphid is found on chokeberry. ial A. gossypii Glover. Aphis malvae Koch. Aphis cucurbiti Buckton. Rept. U. S. Com. Agr., 36, 1876. This aphid is figured and described by Essig (191ICc). On melon plant, Suffield, 29 Aug., 1905 (B. Wilson) ; Westport, 18 July, torr (J. J. Marvin) ; on cucumber, New Haven, 22 July, 1909 (A. I. B.); an Althaea, New Haven, 3 Aug., 1909 (A. I. B.); on melon, Suffield, 31 Aug., 1905; on spinach, Hartford, 11 Feb., 1906; on melon, Branford, 5 Aug., 1908. A, helianthi Monell. Bull. U. S. Geol. Geog. Surv. Terr., v, 26, 1870. This green species is recorded from Cornus and from Heli- anthus. It is probably rather seriously involved in synonomy. A, impatientis Thomas. Ill. St. Lab. Nat. Hist., Bull. 2, 12, 1877. Figured by Davis (191Ia). A. laburni Kaltenbach. (Fig. 31, 7.) Mon. der Pflanz., 85, 1843. This seems to be the first American record for this species. On golden chain, Hartford, 22 June, 1914 (Mrs. W. Seliger). A. lutescens Monell. Bull. U. S. Geol. Geog. Surv. Terr., v, 23, 1879. This seems to be one of the lost species. It has been confused with neri, and its status may be a bit uncertain. See also neru. A, maidi-radicis Forbes. Rept. Ins.. Ill., 17, 64, 1891. For a treatment of the corn root aphid see Vickery (1910). On Zea mays, Stratford, 8 Oct., 1913 (F. J. Roundsveldt) ; on aster roots, Waterbury, 20 Sept., 1915 (Mrs. Fred Wilcox), West Haven, 3 Oct., 1916 (Mrs. H. L. Dorman). A. maidis Fitch. Nox. and Ben. Ins. N. Y., 2, 318, 1856. A treatment of this corn leaf aphid is given by Davis (1909a) and figured in color by Forbes (1891). On Kaffir corn, Old Mystic, 17 Aug., 1912 (C. I. Eldridge); on corn, New Canaan, 29 Sept., 1909 (A. I. B.); Stratford, 10 Sept., 1913. A. medicaginis Koch. Die Pflanz. Aphid, 94, 1854. This species is described and figured by Essig (1911b). A. monardae Oestlund. (Fig. 31, 11.) Aphid, Minn., 58, 1887. The original description (1887) is apparently the latest published No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 295 record for this species though it has been collected on Monarda punctata in the East. A. nerii Boyer. Ann. Soc. Ent. Fr., x, 179, 1841. This oleander aphid is described and figured by Essig (1911b). The synonymy is a little uncertain. Swain (1919ga) gives the case to date. On Asclepias incarnata (var. pulchra) New Haven. A. persicae-niger Smith. Ent. Amer., vi, 101, 1890. For figures of this aphid see Gillette (1908a). Peach roots, South Manchester, 19 Aug., 1914. A.pomi De Geer. Green apple aphid. (Pl. vii, 2; eggs, PL xix, 0. ) Mem. des Ins., iii, 53, 1773. This green aphid of the apple is described and figured by Sander- son (1902) and Gillette (1908a), and by Baker and Turner (1916a). New Haven, 12 June, 1900; Newington, 5 Oct., 1900; Mount Carmel, 18 June, 1903; Windsor Locks, 30 July, 1903; West Haven, 17 July, 1903; Cheshire, 31 July, 1903; Higganum, 8 Sept., 1903; Warehouse Point, 21 April, 1904 (eggs); Farmington, 9 Feb., 1905 (eggs); Norwichtown, 18 July, 1905; Lisbon, 28 March, 1906 (eggs); North Haven, 2 July, 1906; Hillstown, 27 July, 1906; Hartford, 25 June, 1907; Mount Carmel, 25 June, 1907; Shelton, 2 Aug., 1907; South Glastonbury, 20 Nov., 1909; Winsted, 26 March, 1910 (eggs); East Granby, 14 July, 1910; Suffield, 2 May, 1911; Roxbury, 31 May, 1911; West Cornwall, 21 Aug., 1911; New Milford, 23 March, 1912 (eggs); Sharon, 6 July, 1912; Saybrook Junction, 9 July, 1912; Riverside, 19 July, 1912; Mystic, 22 July, 1912; New Haven, 24 July, 1912; Meriden, 8 March, 1913 (eggs); Stepney Depot, 23 May, 1913; Derby, 17 June, 1913; Branford, 8 July, 1913; New Canaan, 7 Feb, 1914 (eggs); Mount Carmel, 9 Feb., 1914 (eggs); New Haven, 9 Feb., 1914 (eggs) ; Westport, 3 June, 1914; Norwalk, 21 June, 1914; New Haven, 27 July, 1914; on quince, Meriden, 31 July, 1914; Stratford, 11 Aug., 1914; Meriden, 15 Aug., 1914; Milford, 15 Aug., 1914; Hartford, 16 Sept., 1914; Hartford, 27 Oct., 1914. A. pseudoavenae Patch. Me. Agr. Expt. Sta., Bull. 267, 203, 1917. This aphid is sometimes confused with the “so-called” avenae. A. pseudobrassicae Davis. (PI. vii, 3.) Can. Ent., xlvi, 231, 1914. This aphid common on turnip has been confused in collections and literature with Aphis brassicae, which is not strange as they have some of the same food plants. It is described and figured by Davis (1914e) and by Paddock (1915a). On kale, New Haven, 16 Sept., 1916 (W. E. B.). A. rubiphila Patch. Me. Agr. Expt. Sta., Bull. 233, 269, 1914. On Rubus. 296. CONNECTICUT GEOL. AND NAT. HIST. SURVEY. — [Bull. A. rumexicolens Patch. Jour. Econ. Ent., 10, 417, 1917. This species is known only from Connecticut. For description and figures see Patch (1917a). It seems to come nearest the Anuraphis group. On Rume-x acetosella, Wallingford, 9 June, 1913 (W. E. B.). A. rufomaculata Wilson. Aphis chrysanthemicola Williams. Ent. News., xix, 261, 1908. For description of this aphid see Wilson (1908). A. rumicis Linnaeus. Syst. Nat., Edn. 10, 451, 1758. This aphid is characterized in the pupal stage by rows of pul- verulent white spots on the black abdomen. It feeds upon a great variety of vegetation. On milkweed, New Haven, 1 July, 1914 (M. P. Z.); on Celastrus scandens, Windsor, 19 June, 1912 (Mrs. Mary Allen) ; on rhubarb, Norwich, 22 June, 1914 (Frank S. Bunnell); on nasturtium, 18 July, 1913 (Hartford, A. B. Pimm) ; New Haven, 3 Aug., 1909 (A. I. B.); on Swiss chard, New Haven, 8 July, 1914 (M. P. Z.); on beets, Milford) “197 fmlye ors (W. E. B.); on rhubarb, Norwich, 22 June, 1914 (Frank S. Bunnell); on broad bean, Cos Cob, 8 June, 1910 (T. R. Smith); on Italian bean, Newing- ton, 29 June, 1911; June 19, 1913 (W. E. B.); on Euonymus, North Haven, 19 June, 1912 (W. E. B.); on Lima beans, Madison, 22 July, 1909 (J. H. Stevens); on broad bean, New Haven, 21 June, 1909 (W. E. B.); on buttercup, New Haven, 21 June, 1909 (B. H. W.); on Euonymus, New Haven, 24 May, 1909 (W. E. B.); on Hedera, New Haven, Dec., 1902 (CW. E. B.); on Aralia, New Haven, 18 June, 1901, (W. E. B.); on Eng- lish ivy, New Haven, 11 Jan., 1904; on nasturtium, New Haven, 19 July, ro09 (A, I.’ B.),. A. saliceti Kaltenbach. (Fig. 28, 13.) Mon. der Pflanz., 103, 1843. This is an aphid inhabiting both Salix and Umbelliferae like Siphocoryne capreae and, except for the straight cornicles of saliceti, its characters would connect it with Siphocoryne rather than Aphis. It has been collected in Maine on Salix, Heracleum, parsnip and fennel. For description and figures see Patch (1916b). See also following species on parsnip. New Haven, 13 July, 1909 (A. I. B.). A. salicicola Thomas. Tit, St: Lab: Nat, Fist., Bull..2, 1877. This willow aphid is figured by Patch (1913a). A. salicets is involved in synonymic difficulties in both Europe and America in which salicicola is also mixed. They are two good species but just what they should be called is not perhaps, yet certain. A. sanborni Patch. (Fig. 31, 9.) Me. Agr Expt. Sta., Bull. 225, 52, 1914. On Ribes aureum, New Haven, 3 June, 1909; 27 May, to10 (W. E. B.). No. 34.] . HEMIPTERA OF CONNECTICUT: APHIDIDAE. “27 A. sedi Kaltenbach. Mon der Pflanz., 63, 1843. An American record of this aphid is given by Patch (191 ra). A. setariae Thomas.* Aphis scotti Sanderson. Ill. St. Lab. Nat. Hist., Bull. 2, 5, 1877. This aphid is recorded from plum and from grasses. A. spiraecola Patch. Me. Agr. Expt. Sta., Bull. 233, 270, 1914. Aphis spiraeella (1910b). Figured by Patch (1914b). On Spiraea, New Haven, 18 June, 1901 (W. E. B.); on Spiraea Van Houteu, New Haven, 7 July, 1909 (A. I. B.). A. spiraephila Patch. Me. Agr. Expt. Sta., Bull. 233, 270, 1914. This common S$ piraed aphid is described and figured by Patch (1914b). A. symphoricarpi Thomas. feet Lap. Nat. Hist., Bull. 2, 12, 1877. This aphid of snow-berry has not received much attention in literature. A. tuberculata Patch. Me. Agr. Expt. Sta., Bull. 233, 261, 1914. This is a conspicuous red and black aphid on black cherry. - A. varians Patch. Me. Agr. Expt. Sta., Bull. 225, 56, 1914. A Ruibes aphid. A. vernoniae Thomas. (Fig. 31, 8.) Ill. St. Lab. Nat. Hist., Bull. 2, 10, 1877. A. viburniphila Patch. Me. Agr. Expt. Sta., Bull. 256. This common aphid on Viburnum has been widely represented in collections for years. On Viburnum opulus, New Haven, 12 June, a ae D; Clark): Viburnum plicatum, New Haven, 20 May, 7913-(W..E.. B.). A. yuccae Cowen. Aphis yucciola Williams. Hemip. Col., 122, 1895. This species is figured by Davis (19I1a). On Yucca, New Haven, 12 July, 1909 (A. I. B.). * This species is now known as Hysteroneura (Heteroneura) (Aphis) setariae (Thomas). 298 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. Anuraphis Del Guercio. A. bakeri (Cowen). Aphis bakeri Cowen. Hemip. Col., 118, 1895. This species is described and figured by Gillette (1908b) and Patch (1915d). It migrates between Pyrus and allied plants, and clovers. A. crataegifoliae (Fitch). Aphis crataegifoliae Fitch. Aphis brevis Sanderson. Homop. NL Y. St. ‘Cab: 66; 1851: This aphid migrates from hawthorn to clover. For an account and figures see Patch (1915) and Baker (1919c). A. roseus Baker. Rosy apple aphis. Can. Ent., liii, 95, 1921. For reference to this species, under the name of A. sorbs (of American authors) or A. malifoliae, see Sanderson (1902), Baker and Turner (1916f), and Matheson (1916a). Stratford, 17 June, 1909; Wallingford, 18 June, 1909; West Haven, 19 June, 1909; Manchester, 22 June, 1909; Stamford, 8 July, 1910; Mystic, 5 June, 1911; Riverside, 17 June, 1912; Darien, 18 June, 1912; Lyme, 16 July, 1913; Hamden, 9 June, 1914; Moosup, 22 June, 1914; Rockville, 1¢ July, 1914; Middletown, 18 June, 1915; Farmington, 26 June, 10915; Milford, 14 July, 1915. Injury to fruit. A. tulipae (Boyer). Aphis gladioli Felt. (Pl. vii, 4.) Ann. Soc. Ent. Fr., x, 167, 1841. This aphid is described and figured by Felt (1908). Bristol, 17 June, 1919 (F. H. Bond). A. viburnicola (Gillette). Aphis viburnicola Gillette. Ent. News, xx, 280, 1900. This common Viburnum aphid extends from the Atlantic to the Pacific states. It is described and figured by Gillette (1909a). Brevicoryne Das. B. atriplicis (Linnaeus). Aphis atriplicis Linnaeus. Aphis chenopodu Cowen. Faun. Suec., 262, 1761. For an account and figures of this aphid see Hayhurst (1909). This has also been honored by the generic name of Uraphis- Hayhurstia. B. brassicae (Linnaeus). Aphis brassicae Linnaeus. Cabbage Aphid. (PI. vii, 5.) Syst. Nat., Edn. 10, 452, 1758. For an illustrated account of this aphid see Herrick and Hun- gate (1911). It has often been confused with A. pseudobrassicae. Its slightly swollen cornicles have sometimes placed it in Siphocoryne. On cabbage, Milford, 21 July, aoe Hamden, 14 Aug., 1913; on charlock, Farmington, 11 Aug., 1909 (W. E _B.). No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 299 Hyalopterus Koch. H. arundinis (Fabricius). Aphis arundinis Fabricius. Aphis pruni Fabricius. Syst. Ent., 734, 1775. This species migrates between plum and reed grass. For description and figures see Patch (1914b). Also see Gillette and Bragg (1910). On European plum. New Haven, July, to01 (W. E. B.). Hyadaphis, Liosomaphis, Rhopalosiphum and Siphocoryne. The species of this group are so woefully tangled as to generic synonymy and are so closely affiliated by connecting forms, that it is easier to key them together than to attempt to separate them on generic characters. Key to Species. meine NOt EXtraOrdinary wiccs ceases bicedacauicceeccbduaeus 2 NE GRATIN NOE) 5c 8.0 ans sreja,'s; bse, ase o's Sele wae « sed-eies ad alee ela ees serotinae 2. Species developing on vegetation other than grasses for at least part PUR TEU AECL eas es alla a ata peal kai aie allied Wlsla gle Oe ble w Ch dick Species developing on grasses (Family Gramineae) for at least a part of the annual cycle. Cornicle weakly swollen, with distinct Gematciction before flange .......cccc eee ee en ee prunifoliae (avenae) 3. Species developing on one or more plants of the family Rosaceae Mameprlease 2 part of the antitial cycle ...5..0 000.0. 0. o eee ce Species developing on vegetation other than Gramineae and Rosa- jean cor at least a part of the annual cycle ........06..6dec08008 5 4. Dark brown or wine-colored species on Prunus .......... nymphaeze Delicate green or yellowish species commonest on Pyrus. Cor- nicle weakly swollen with distinct constriction before flange ... prunifoliae (avenae) PINRO SONNE oa ahs Gira oie: eben erin tub einl nx) dieeieye ow RIS SA wiejatenarn pes 6 MTOM cial clan cows dale tenes cu vekncess neleeudnug yas 8 meemaament of Vi shorter than iv—-V ... 2.0.2 e ce eee cae cnees 7 Filament of antenna! segment vi longer than iv-++v. Species on Salix or various genera of the Umbelliferae ............ pastinaceze 7. Antennal segment iv without sensoria. Species on Salix or various SMa SOE LID LIILCEAG® sk s'e scps la wi séee0% wince ene s pare saa ws caprese TV with sensoria. Species on Umbelliferae ..............00%- cicutze 8. Species which may develop on Umbelliferae for at least part of ERE eee joe © 5 asah wind & wid & cfidiy cae We dw wale w pein de we ee Species either never reported from Umbelliferae or with other MECN St Nhe Civin'd ou. c'e oa t's iain, Sa Rice wees y 10 9. Antenna of alate female rather thickly set with tuberculate sen- soria. General color pale green. Cauda of apterous form large, Ei. oy ck seule ae ptie eurale wu alate eg ee vine eet xylostei Antenna of alate female with secondary sensoria usually confined to more or less crowded and irregular row on segment iii. Gen- eral color brown, wine or if green then not pale. Cauda of RPNRCRE TIDE PNUSUAL loc ce ce ce cece sete esmedaes nymphzeae 10. Filament of vi distinctly longer than base .............eeeeeeeees ro | 300 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull: Filament of antennal segment vi not much longer than base of vi. Species on .barberfy ..'5.2h803 400s en cake ele ee eee berberidis II. Species dark brown, wine or green passing part of its life cycle on water plants or plants commonly growing in marshy places ... nymphaeae Species On LOnicera sik. ce usecetes cl endaccu ss ne xylostei Rhopalosiphum Koch. R. nymphaeae (Linnaeus). Aphis nymphaeae Linnaeus, Aphis butoms Schrank, Aphis aquaticus Jackson. (Aphis prunorum Dobrowljansky ? Patch Ig14h). Sometimes placed in Sipho- coryne. | Faun. Suec., Rev. Edn. 260, 1761. This aphid winters on plum where it becomes a serious pest during the spring. It migrates to water plants for the summer months. For life history notes see Patch (1915b) and for figures Patch (1914b). On Japan plum, Southbury, June 2, 1901. R. prunifoliae (Fitch). (avenae in part of American entomolo- gists) (Aphis fitch Sanderson). Apple grain aphid. Nox? and Ben, Ins: Ni*Y., 1,'122, 0855; This is the species most frequently meant when discussed in American literature as Aphis or Siphocoryne avenae. That this species must now be known as prunifoliae is due to the unfortunate preservation of a Fitch type not in accordance with the entire original description of prunifoliae which for the most part is applicable only to cardui (prunifoliae in part of original descrip- tion). _ The apple-grain aphid is treated by Baker and Turner (1919g) and Davis (1914f). Itis close to Aphis pseudoavenae in structure and habits (Patch 1917b). » On apple, New Haven, 11, 29 Oct., 1909 (A. I. B.). R. serotinae Oestlund. (Fig. 28, 15; Fig. 31, 4 and 5.) ‘ Aphid, Minn., 76, 1887. This strongly characterized aphid with robust veins, smooth, peculiar cornicles, and minute hind wings is found on Solidago serotina. Its comparatively abruptly conical cauda bears the same relation to the rest of Rhopalosiphum that the Anuraphis cauda does to that of Ap/us. On goldenrod, New Haven, 13 July, 1909. (A. I. B.). Liosomaphis Walker. L. berberidis (Kaltenbach). Aphis berberidis Kaltenbach. Mon. der Pflanz., 95, 1843. This barberry species has the antennal contradiction of distinct, though short, frontal tubercles in the apterous females which might No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE. 301 ally it with the Macrosiphini and a distal filament so short that it would render it somewhat conspicuous even among the Aphidini. It is frequently included under Siphocoryne or Rhopalosiphum. Siphocoryne Passerini. S. capreae (Fabricius). Aphts capreae Fabricius. (Fig. 31, 3.) Syst. Ent., 734, 1775. Like the foregoing species this inhabits Salix and various genera of the Umbelliferae. It is figured by Gillette (1911a) and by Theobald (1912). The approved generic name for the three foregoing species has more recently been Hyadaphis. The erection in 1914 of the genus Cavariella appropriated pastinaceae, however, and logically adopted the second species with a caudal horn—capreae. S. pastinaceae (Linnaeus). B:). P. populi-globuli Fitch. Nox. and Ben. Ins. N. Y., v, 850, 1859. P. populi-transversus Riley. Bull. U. S. Geol. Geog. Surv. Terr., v, 15, 1879. P. populi-venae [*itch. Nox. and Ben. Ins. N. Y., v, 851, 1850. P. longicornus Maxson, n. sp. Stem mother about 2.088 mm. x 1.827mm. Color pale, yellow- ish white. Wax pore plates normally arranged for the genus; variable in size. Those at margin and on posterior segments of abdomen largest. Antennae .486mm. long. Fourth joint distinctly imbricated. Sensoria at distal end of iii and iv oval, fringed with celia. Length of segments as follows: 1, .069mm.; ii, 0.69 mm.; iil, 206ml; iv, .139mm. Length of front femora, .356:mm.; tibiae, .295mm.; tarsi, 104mm. Length of posterior femora, .487 mm.; tibiae, .435 mm.; tarsi, .139 mm. Alate (second generation) viviparous females when freshly removed from galls have the abdomen a creamy yellow, thorax and head dark, almost black, with a bluish tinge. Legs and antennae 328 CONNECTICUT GEOL, AND NAT. HIST. SURVEY [ Bull. dusky. Antennae long reaching to posterior margin of meta- thorax. Cornicles usually present, weakly developed. Joint i, .043 mm.; ii, .069mm.; ili, 3.435mm.; iv, .139 mm.; Vv, 174mm. and vi-+ spur, .191 mm. Base of joint iii usually slightly swollen for a short distance. Sensoria on ili, 20-25; iv, 6-8; v, 8-10; vi, 8-10. Sensoria nearly or entirely encircling joints. The galls are quite similar in form to those produced by Tetraneura graminis only less notched at top and less ribbed on sides. Walls thin. Length of large galls about five-eighths inch, height about one-half inch. From side to side they measure about three-sixteenths inch. Slightly constricted where attached to leaf. Placed on upper side of leaves of Populus deltoides. Type locality: College Station, Texas. Dr. A. C. Baker who has had this species in manuscript offers the following data: 1. Collected by T. A. Williams, Lincoln, Neb., 1891. Host plant not given. 2. Collected by Theo. Pergande, on the Potomac flats near Chain Bridge, D. C., May 25, 1905. Each gall contained at this date only stem mother and young larvae. From June 8 to 16 migrants were obtained. 3. Collected by Chas. E. Sanborn, College Station, Texas, April 26, 1906, on cottonwood. Galls contained stem mothers, pupae and migrants. 4. Collected by T. H. Jones, Baton Rouge, La., June 4, 1919, on poplar. Subfamily MINDARINAE. Mindarus Koch. 3 M. abietinus Koch. (Fig. 28,5.) Schizoneura pinicola Thomas. Die Pflanz. Aphid, 278, 1857. For figures and account of work on Picea and Abies see Patch (1910b and 1g11b). Subfamily HoRMAPHIDINAE. Hormaphis Osten Sacken. H. hamamelidis (Fitch). Brysocrypta hamamelidis Fitch. (PL x1, 4.) Homop. N. Y. St. Cab., 69, 1851. Developing in conical galls on leaves of Hamamelis virginiana and migrating to Betula. For life history and figures see Pergande (1901). On witchhazel, Meriden, 24 July, 1909 (A. I. B.). Hamamelistes Shimer. H.spinosus Shimer. Hormaphis papyraceae Oestlund. (PI. xi. Bay Eig; 20, 7o) Trans. Am. Ent. Soc., i, 284, 1867. No. 34.] HEMIPTERA OF CONNECTICUT: APHIDIDAE, 329 Migrating between Hamamelis virginiana and Betula causing a spiny gall on the twigs of the former and corrugating the leaves of the latter. For life history and figures see Pergande (1901). _On white birch, New Haven, 10 July, 1909 (A. I. B.); on cutleaf white birch, New Haven, 8 June, 1911 (W. E. B.); on birch, Killingly, 11 June, in ue 7 B.); on Hamamelis virginiana, New Haven, 27 Oct., 1915 Family CHERMESIDAE. Chermes Linnaeus. Key to Species. SSM CHEE SOLU CEU: She) free sieraicvtla oiciale'« 4 Wishes ola a hard bra @barataiete dhede shade 2 Developing on trunk of Pinus strobus, covered with white secretion pinicorticis nr I HN SOGIMICU. 5 5 Gra aho) yet vay aya ole a ky hw. Cel w-wiene dd wn aaw 545) sposane a boobs Presence causing a scraggly deformation of twig—not well formed gall. Winged form from gall ovipositing on Picea ......... similis 3. Large gall on Picea engelmanni introduced from the west ....cooleyi MR RMAN TEN FS se Seo a) a Pa wy Si ll ars kes 9 A acaba Gi eR AS whats Meee ev 4 Saal mat ceriiitial, pineapple-shaped sus cc cece coco digest o5.5 cic ertd s os 4. Gall cone-like, gall leaves modified to thin scales. On Picea mariana and rubra. Winged form from gall ovipositing on EMER TEIVIES NST OUUG) Re sida 65.4 i0'n v/a gnats dale dee O Ee Mica pinifoliae Gall small, compact, about one-half inch long; pink or pale green when fresh. Gall leaves short. On Picea mariana and P. rubra. Winged form from gall ovipositing on Larix .......... strobilobius consolidatus Gall loose in structure, three-fourths to one and three-fourths inches long. Gall leaves not much abbreviated. On Picea mariana and P. rubra. Winged form from gall ovipositing on TRONS UISIFOOWS 6.4.5 osieiels's ova vies Hare Aspidiotus, p. 371 No. 34.] HEMIPTERA OF CONNECTICUT: COCCIDAE. 361 eae Or Tettiale without caring « hii Q. oii. ced ace dc dsle cee cee wed 8 Scale of female with sharp median carina; second stage skin swells to form a shell within which the female remains and oviposits .. Fiorina, p. 370 8. Scale of male similar to scale of female though smaller; without PEIN Oe tA Se Cues eee els UP its ab aivkerhs cranial OA. Scales of male white, sides parallel, and usually with median carina ay 9. Scale of female elongate, often curved, exuviae small ............ 10 Scale of female circular to elongate, exuviae covering nearly one- PMR TUS EMERG seo ce pte, a eo alc ils, cabie nial avele dntaiggtieiel G Parlatoria, p. 380 10. Scale of female broadened posteriorly; on hardy plants ......... II Scale of female much elongated, sides nearly parallel; pygidium with peculiar lattice-like thickening of dermis. On greenhouse TIS Jaci Ze ec Saree Set ee Ra Puy Rene Ischnaspis, p. 379 11. Scale of male similar to that of female though smaller; pygidium of female with five groups of circumgenital gland-orifices ...... 12’ Scale of male narrow, whitish, without carina; pygidium of female with more than five groups of circumgenital gland-orifices: second stage skin swells to form a shell within which the female remains 72) CS FLTC SY iG tg lege gol a a dare Leucaspis, p. 370 12. Scale of female convex or flattened, 2.5-3 mm. long, dark brown; median lobes of pygidium broad, with shallow notches on both Sameer OUTCT MIATSINS oss 5 ee cies esas ee Lepidosaphes, p. 378 Scale of female 1-1.5mm. long. Median lobes of pygidium narrow, inner margin entire, outer margin notched ......... Pinnaspis, p. 370 13. Scale of female elongate, pyriform, white, on bark or leaves of oe UG Satis DRE SUS RE a aye sc Semmes 6 Chionaspis, p. 361 Scale of female varying from white to dark brown or gray, tropi- cal species on greenhouse plants ........... Hemichionaspis, p. 366 B ~- Ist Exuvia = Fic. 34. Coccid structures (Diaspinae). (1) Lepidosaphes ulmi Lin- naeus,—scale of female. (2) Chrysomphalus aonidum Linnaeus,—scale of female. Greatly enlarged. Drawing by Dr. Philip Garman. Chionaspis Signoret. This genus contains several species, which occur mostly on hardy plants, being found on the bark and sometimes on the leaves. In most species the males are white, narrow, and much smaller than the females, which are pyriform, white or light gray, with the exception of C. euonymi, which are dark gray. A few species only are considered to be pests. 362 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. Key to Species. 1. Scale of male narrow, carinated more or less distinctly ........... 2 scale of male oval, without Carinae .... sna .c0l eee ortholobis 2. Median lobes of female not fused their entire length ............. 3 Median lobes fused almost to their tips ... 05... 7) eee eee 4 3. Mature female scale usually more than 2mm. long .............. 5 Mature female scale usually less than 2mm. long ............... corni 4. Median lobes notched on their outer margins .............. americana Median lobes entire on their outer margins .................-. caryae 5. Median lobes pointed apically ..'...0.7) 00. 29 eee Median lobes distinctly rounded apically ...).>..... oe 6. Median lobes and lobules of second and third lobes pointed and BULIAEG, Weve vas ce vee Oe ee Cee eke ee Lew eeu ee te: a euonymi Median’ lobes. ‘indistinctly pointed °.. 20)... /J2 2. Sa lintneri 7. “Median lobes ‘broadly rounded .......0. 20... 22. cee eee Median lobes narrowly rounded, diverging ..pinifoliae heterophyllae 8. - Median ‘lobes close together’: ...:.... 2... <..2 se + 6 +5 cee 9 Median” lobes separated’... 00) ov... pete ees seen e eee pinifoliae 9. Both median and second lobes rounded and parallel in general IEG CEN ots Tee ass eretacks cated ot eickc atow ae cual cae salicis-nigrae Second lobes bluntly pointed and converging ................. furfura oo? ee — Mouth parts Go ~ i ° 2) e@? +s e A! ° DS = f, 9 Dorsal pores . Z Shi ra ; 7 ieee d by | oof 4 h2 [ <- Gland spine { Me do) "4 of F be- =. OF Plate > | : f \ | el ea eet, - } ti ( | y 4 - ; AI wily) Mh. A sp 2nd lobe-~ : 3 Sone aie al spin 5 Median lobes“ rginal spi oS 2 i O 9 Pectinae Chitinous thickenings ¥ ee ' or Paraphyses 1) 3 = ' hats ou Pycidi La a 3rd lobe’ ygidium = hel PRN: Fic. 35. Coccid structures (Diaspinae). (1) Lepidosaphes ulmi Lin- naeus,—pygidium of female showing dorsal and ventral surfaces. (2) Lepidosaphes ulna Linnaeus,—female, showing general appearance. (3) Chrysomphalus aonidum Linnaeus,—margin of female pygidium (after Dietz and Morrison). Greatly enlarged. Drawing by Dr. Philip Garman. C. americana Johnson. White elm scale. Ent. News, vii, 150, 1896. Scale of female: Length 2-3 mm., white, sometimes yellowish, often blackened by sooty mold; convex, broadest near middle. On removing from bark a conspicuous white mark remains. Female: Median lobes prominent, fused on their inner, and notched on their outer, margins. Median group of circumgenital No. 34.] © HEMIPTERA OF CONNECTICUT: COCCIDAE. 363 gland-orifices, 20-30; anterior lateral, 18-42; posterior lateral, 20-30. Scale of male: Length 1 mm. or less; lateral margins parallel tricarinate, white, exuviae pale yellow. Eggs purplish. There are two generations each year in Ohio. Common on elm, Ulmus americana, often injuring young trees. Hartiord, 5 Sept., 19003; New Haven, 9 Dec., 1903; 22 Sept., 1917, 3 Oct., 1918; Norwich, 24 Nov., 1914; Simsbury, 29 Nov., 1907; Torrington, 16 June, 1910. C. caryae Cooley. Can. Ent., xxx, 86, 1808. Scale of female: Length 1.7-2 mm., dirty white, exuviae dark brown, inconspicuous on bark of host plant, irregular in shape. Female: Median lobes large and prominent, entire inner margins fused nearly to tips. Median groups of circumgenital gland- orifices, 12-19; anterior lateral, 21-29; posterior lateral, 15-22. Scale of male: Length .5-.7mm., white, exuviae pale brown, one-third the length of the scale; scale elliptical with a distinct median carina. On bark of hickory, especially in the crevices and under the edges of the loose bark. New Haven, 27 Aug., 1906 (W. E. B.). @eecornt Cooley. (FI. xiv, 7:) Mass. Agr. Expt. Sta., Spec. Bull., 15, 1890. Scale of female: Length 1.5-2 mm., white, with exuviae orange- yellow or brown. | Female: Median lobes fused for half their length, then sepa- rating by nearly straight lines toward their diverging tips, which are almost pointed. Median group of circumgenital gland-orifices, 10-16; anterior laterals, 20-24; posterior laterals, 10-17. Scale of male: Length .6-.8mm., white, narrow, tricarinate, exuviae, pale yellow, about one-third the length of the scale. Occasionally very abundant on pigeon bush, Cornus candidis- sma (paniculata) and other species of Cornus. ae 14 March, 1910; Southington, 26 Nov., 1914; Bantam, 2 Nov., 1916. C. euonymi Comstock. Euonymus scale. (PI. xiv, 6.) Rept. U.S. Dept. Agr., 313, 1881. Scale of female: Length about 2mm.; dark grayish brown; broadly pyriform, convex, thick and firm in texture. Female: Median, second and third lobes pointed and serrulate. Median group of circumgenital gland-orifices, 4-6; anterior lateral, 5-9; posterior lateral, about 4. Scale of male: Length 1.5mm. White, with yellow exuviae, tricarinated. A serious pest of Euonymus, especially radicans. 364 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Hartford, 29 March, 1905; Middlebury, 26 Nov., 1906; Greenwich, 22 Apr., 17 Oct., 1910; New Haven, 29 Oct., 1912; 11 Sept., 1916; Apr., 1920; Stratford, 20 Aug., 1913, 29 Aug., 1919; Bridgeport, 24 Nov., 1015; Bantam, 29 Nov., 1916; Norwalk, 6 Oct., 1916; Stamford, 29 Apr., 1919; Wilton, 28 Oct., 1920; Saugatuck, 1 March, 1921; New Canaan, 23 July, 1g2I. C. furfura (Fitch). — % es = t) vik rd UL, ——— ss a a a a ay [7 LLY EL 3 ZTE, —sS >> Fic. 42. Ranatra americana Montandon,—(a) ventral view of body, (b) dorsal view, natural size. Drawing by Dr. Philip Garman. This is the largest and most common Eastern representative of the genus. It is found in all collections and may be taken in any suitable pond. It hibernates as an adult, buried in the mud of the pond-bottom, or hiding under some overhanging bank or perhaps frozen in the ice. In the spring, sometimes as early as March, it deposits its eggs, sinking them into the soft tissue of decaying stems of rushes or in some water-soaked and softened piece of wood, with the two filaments sticking out. When they are thick, the outstanding filaments look like a white fuzz on the surface. Ordinarily, however, they are laid in a straight line. They hatch 402 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. out in about thirty days and after moulting five times, reach the adult stage in about forty-six days, or say seventy-five days for all the transformation. There seems to be only one brood in a summer, however, as the eggs are deposited some time in May, and the females continue ovipositing into June. It is commonly distributed all over the United States except the extreme West and South. West Thompson, 12 July, 1905 (H. L. V.); Ansonia, Aug., 1915 CB. oH. W.): R. protensa Montandon. (fusca Bueno.) Bull. Soc. Sci. Buc., xviii, 185, 1910. . This is a somewhat rare species in the East, but it has been taken in New York and should doubtless occur in Connecticut. Beyond the differential character mentioned in the key, it may be stated that in general it is more slender in build than americana, with shorter legs, breathing tube, etc. No details of habits or life history of this species are known. R. kirkaldyi Bueno. Can. Ent., xxvii, 187, 1905. This small species is readily separable from the other two larger species, in addition to the characters of the key, by the much con- stricted prothorax and much smaller size. Nothing is known of its life history. , It should be remembered that in this genus the female is both larger and stouter than the male, with larger eyes and a sharp ovipositor. Before this was known, species had been founded on this difference in size of the eyes. This well-marked little species was first discovered in Putnam County, New York, and has subsequently been found in New Jersey. Family NAUCORIDAE. By J. R. pE tA Torre-BUENO. This family, so important and extensive in the Old World and so numerous in individuals and species in tropical America, is represented in the Atlantic States by only one genus. The group is nearly related to the Belostomatids; in fact certain Oriental representatives of both are very near in general aspect, and are separable largely by technical characters. Pelocoris Stal. This genus has only one species. P. femoratus Palisot de Beauvois. (PI. xvi, 3.) (Fig. 43.) Ins. Rec. Afr. Am., 237, pl. 20 f. 4, 1805. This is at times abundant in ponds with fine vegetation grow- ing from the bottom, among which it hides, lying in wait for No. 34.] HEMIPTERA OF CONNECTICUT: NAUCORIDAE. 403 Fic. 43. Pelocoris femoratus Palisot de Beauvois,—(a) dorsal view, (b) front view of head, (c) lateral view of head; all greatly enlarged. Drawing by Dr. Philip Garman. the victims of its voracity. Here, too, it breeds and fastens its glistening white ova on the stems or leaves of Myriophyllum and other fine-leaved aquatic plants. In from twenty-two to twenty- seven days the little bug hatches from this egg and after moulting five times in eighty-seven days, he is full grown and equipped for the serious business of life. Although, owing to oviposition being continuous, nymphs in several stages may be taken together, there is no positive evidence that there is more than one, or at most two broods in the course of a summer. The species is reported to range from Canada to South America. As most of the descrip- 404 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. tions are for color characters, it is possible there are several species confounded. bee 6 May, 1911 (B. H. W.); New Canaan, 5 Sept, 1916 Family NOTONECTIDAE. By J. R. pe La Torre-BUENo. These are the well-known back-swimmers, also called sometimes boat-flies. All are aquatic and some species or other is sure to be found in ponds or backwaters of slow streams, in the vegetation close to the shore. Their chief peculiarity is that they swim upside down, or upon their backs, mostly at or near the surface of the water. The third pair of feet is thickly fringed with long hair and used in swimming, except in Plea. All are carnivorous, feed- ing on other insects, on young fish and on Entomostraca. They are reported to be very troublesome in fish hatchery tanks. The life history of three of our American forms is known. The several groups of the family may be thus separated: Key to Subfamilies. Hind tibiae and tarsi ciliated, abdomen keeled, hairy, eyes very lab ee, CONSPICHOUS “Hija ee aks a ster tee NOTONECTINAE, p. 404 Hind tibiae and tarsi apparently not ciliated, abdomen neither keeled nor Hairy, eyes small. Jes0. 5... ,os eee PLEINAE, p. 407 Subfamily NoToNECTINAE. The subfamily Notonectinae is the most important, as it contains by far the greatest number of species and most of the genera. Of the latter there are only two in the Eastern United States, Notonecta and Buenoa, which may be distinguished thus: Key to Genera. Hemelytra pilose, hind tarsi without claws, last antennal joint much shorter than preceding jomit 2... see een) Cee Notonecta, p. 404 Hemelytra glabrous, hyaline, hind tarsi clawed, last segment of antennae much longer than preceding joint .......... Buenoa, p. 407 Notonecta Linnaeus. Key to Species. 1. Pure white, entirely black, or black and white ............0.2.0ce 2 Colored species, more or less marked with black ................ 4 2. Distance between eyes at front, not more than three times their distance at vertex; pronotum about twice as wide as long ...... s Distance between eyes at front, six times their distance at vertex; pronotum one and one-half times as wide as long, size 8-9mm. oan raleighi 3. Distance between eyes at front about twice their distance at vertex; subrobust,,Size FO-13 MOI oo. ps ks wees 9 clo nie bee = aps is undulata Distance between eyes at front about three times their distance at vertex; slender, white, often with faint black markings; size _ SHED GUL | 4. 2 cia «scion te dle oe alte Rime ea a aha variabilis No. 34.] HEMIPTERA OF CONNECTICUT: NOTONECTIDAE. 405 4. Distance between eyes at front, not more than three times their distance at vertex; pronotum twice as wide as long ............ Distance between eyes at front, six to eight times their distance at vertex; slender; scarlet and black; size 10-12mm. .......... uhleri 5. Distance between eyes at front, three times their distance at vertex ; irrorated black and brown, variable; size, I2-14.5mm. ...... irrorata Distance between eyes at front nearly equal to their distance at vertex; fuscous, greenish-white, or testaceous with more or less Nt SE EPG Tr TINY 4 chaos eas «tee dle vse ojame vale Sob o% insulata N. undulata Say. Heter. N. Harm., 39, 1832; Compl. Writ., i, 368, 1859. This is by far the most widely spread species in America, and ranges from British Columbia to Chile. Small white specimens may sometimes be confused with variabilis or raleight, but the latter are easily recognized by the head structure and their greater slimness. The species varies in color from pure white to black. Its color variations have given rise to a lengthy synonymy not mentioned. According to Hungerford, this species has five stages of nymphal development, which take about forty days from the egg to the mature insect. Southington, 21 May, Hamden, 24 Oct., ro10 (B. H. W.); Cromwell, 9 Boeri Cyl P. Z.); Kent, 10 Aug., 1918 (M. P. Z.); New Canaan, 17 Sept., 1918 (B. H. W.). N. variabilis Fieber. (PI. xvi, 5.) Abh. Bohm. Ges. Wiss. (5) vii, 477, 1851. (undulata Uhler. Stand. Nat. Hist. Vol. ii, 252, 1885 (in part); ameri- cana Ashmead. Ins. N. J., 144, 1899.) This small species is readily separated from N. undulata on the characters given in the table. Nothing is known about its life history except the egg and the embryonal period. New Eaven, 16 May, 19004 (W. E. B.); 22 Aug., 1904 (P. L. B.); emer 12 Aue. roo, (HH. L. V.); Hamden,24 Oct., 1910 (B. H. W.), woeMiay taro (MM. P. Z.); Colebrook, 19 June (P..G.); Guilford, 13 July, moze CE. -G.). N. raleighi Bueno. Gang Put. Vol. xxxix, 225, 1907. (variabilis (Fieber), Bueno, in part, in various papers prior to this date). This species very much resembles a dwarf variabilis but is easily distinguishable by the structure of the head. So far it is known from New Jersey south, but it should be found in Connecticut. N. uhleri Kirkaldy. Ann. Mag. Nat. Hist. (6) xx, 58, 1897. Its bright scarlet and black color make this the most striking of our local species. The head also is so distinctive that there is no danger that it may be confused with any other. It is rather rare, although on the occasions it has been taken it was comparatively abundant. 406 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. 7-——x- Distance between t ,; e©yes at front --— —~- Distance between eyes at vertex Fic. 44. Notonecta irrorata Uhler,—dorsal view showing structures, greatly enlarged. Drawing by Dr. Philip Garman. Fic. 45. Notonecta irrorata Uhler,—lateral view of head, much enlarged. Drawing by Dr. Philip Garman. N. irrorata Uhler. (Pl. xvi, 7.) (Figs. 44, 45.) Proc. Bost. Soc. Nat. Hist. xix, 443, 1878. - This handsome bug is quite abundant and widespread, ranging from ‘Canada to Maryland. Its black coat spangled with brown is very distinctive and this in connection with its size and heavy build separates it from the other Connecticut species. This has also been bred by Hungerford, who finds it has the usual five nymphal instars. The developmental period is about sixty days. Egg laying begins in May. No. 34.] HEMIPTERA OF CONNECTICUT: NOTONECTIDAE. 407 Branford, 3 Aug., 1904 (H. L. V.) ; Windsor, 26 July, 1905 (W. E. B.); New Haven, 24 Nov., 1910 (A. B. C.) ; Hamden, 24 Apr., 1911 (B. H. W.). N. insulata Kirby. (PI. xvi, 8.) Richardson’s Faun. Bor. Am., iv, 285, 1837. It has had other names, but they are of technical interest only. Its color variability is great, and five varieties have been named. It is the largest of our native species and has a fondness for cold waters. Milford, 21 Mar., New Canaan, 3 Apr., 1919 (M. P. Z.). Buenoa Kirkaldy. (Anisops, in part, for American species.) Key to Species. Semen snceics, less than Gino lone 25.06. y oe once es 2 meee aaeie than O tam, long... .$6h etek beat sence margaritacea 2 (fyes large and prominent; shape slender .........0...0...04- elegans Eyes large but not prominent; shape more convex ....... platycneimis B. margaritacea Bueno. Jour. N. Y. Ent. Soc. xvi, 238, 1908. (platycnemis Uhler, Stand. Nat. Hist. ii, 250, 1882; Bueno, Jour. N. Y. Mint.) Soc. x, 236, 1902.) This species is abundant all over the Eastern United States, and frequents cold pools. Its food seems to be largely Entomostraca, although occasionally it eats small insects. The anterior legs are furnished with long spines, within which, as in a cage, Buenoa holds its prey. In this, as in other waterbugs, there are five nymphal stages, which give a life history from oviposition to adult of some five or six weeks. B. platycnemis (Fieber). Abh. Bohm. Ges. Wiss. (5) vii, 485, 1852. A species known from New York and New Jersey, but not thus far recorded from Connecticut, many records under this name belonging to margaritacea. B. elegans (Fieber). Abh. Bohm. Ges. Wiss. (5) vii, 484, 1852. Known from New York where it is commonly taken along the edges of ponds among grasses in clear places. Subfamily PLEINAE. This subfamily is represented in the East by only one species, which is common in Myriophyllum, among which it creeps. Another has recently been described from Mississippi, and as so little is known about this genus, it is included here. 408 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Plea Leach. Key to Species. 1. Elytral sutures faint or absent; color markings inconspicuous; head with a light median streak; elytra strongly arched poste- THOPLY Vee es ee he een cb ed wee ee en ee ee striola P. striola Fieber. Abh. Bohm. Ges. Wiss. (5) iii, 206, pl. 2, figs. 1-3, 1845. This species is carnivorous, feeding mainly on Entomostraca. The eggs are inserted into the soft tissue of the vascular water plants. Milford, 26 Aug., 1905 (H. L. V.). P. harnedi Drake. Ohio Jour. Sci., xxii, 114, 1922. Described from Mississippi. Family SALDIDAE. (Acanthiidae. ) By J. R. pE ra Torre-BuENo. The family Saldidae, also known as Acanthiidae, according to one’s nomenclatorial views, is the link joining the land bugs to the subaquatic Cryptocerate Hemiptera. It introduces the series and leads through the Ochteridae to the Naucoridae, Belostoma- tidae and finally Corixidae and Notonectidae. The species of this family in this country ordinarily frequent damp and marshy spots or the shores of waters where there is abundant moisture, some living on the sea beaches and tidal flats. In Europe, one species lives on dry heaths; and an arboreal form is found in Hawaii. They are exceedingly agile and it is quite an art to catch them. Where they are thick, it is possible to get them into a sweeping or butterfly net brushed close to the ground. So far as known, all Saldids are predaceous. As to a complete life history, this is as yet unknown, although Prof. H. B. Hunger- ford has observed the mating, oviposition and one or two nymphal stages of Lampracanthia anthracina and L. crassicornis. Further than this, nothing seems to be known about any species. The latest, and in fact, the only complete taxonomic study of the family is by Dr. O. M. Reuter, who in 1912, split up the old and comprehensive genus Salda (or Acanthia) into a number of genera, separable by the following table. All the genera are included in it, since so little is known about the family in this country that it would not be surprising to find heretofore unre- corded foreign genera here, just as there are four Palaearctic species of Saldula found with us. No. 34.] HEMIPTERA OF CONNECTICUT: SALDIDAE. 409 It should be noted that the generic arrangement is according to Reuter, and the species, as well as nomenclature follow Van Duzee, to agree with his Catalogue and facilitate reference. Where species are placed in genera other than those to which they are assigned by the latter author, it is because careful checking up of descriptions and specimens has shown unequivocally that they belong where they are now placed. All of our species belong in the subfamily Saldinae. Key to Genera. 1. Ocelli more distant from the eyes than from each other, or con- meats: ocitellum Jonger than wide. |..........-s..ceccescecee 2 Ocelli at equal distances from each other and from the eyes. PReMeG MITT “SUMEEATISVEESG \.2 J ccic a os hab case oe crete sos [ Orthophrys] 2. Membrane with four entire areoles; or with five areoles, of which the subexternal or 4th is shorter ‘than the others, leaving the 3d and 5th contiguous for a greater or less distance apically ....... Membrane with five; complete arcoles:/a.k6 5... 44. Pentacora, p. 410 3. Sides of pronotum more or less explanate; anterior pronotal cts Pf eeenescmios ts lateral maseins 2 6... o 4 oe oso sik woe oe ers oa 4 Sides of pronotum scarcely explanate ; anterior callus occupying all or nearly all the width of the pronotum ................000- II 4. Apex of pronotum nearly as wide as the head, which is slightly wider; hemelytra thickly, and usually distinctly, punctulate; or EMCEE IS cata He WN Loe buh yoke Memeo olaie eee 5 Apex of pronotum narrower than the head; or if nearly as wide, PR EMU TITTLE | Se Gor tie see dino, wie yw hehavin ads oboe ale baeak 5. Membrane usually with five areoles, of which the subexternal (4th) is shorter than the neighboring third and fifth; last female ven- Petreomicnt UMNCAte 2020. eee nest [ Chiloxanthus ] Membrane with four complete areoles of nearly equal length; last female ventral segment roundedly produced ....... [ Halosalda] 6. Apex of pronotum nearly as wide as head with the eyes, callus moderately convex, sulcus behind the callus without impressed eGintseand stramsverse Tuoulde 2s sk. ka a eee cece ween 7 Apex of pronotum distinctly narrower than the head taken with the eyes, callus strongly convex, anterior and posterior limiting sulci deep, furnished with impressed points and longitudinal rugulae. (Hemelytra opaque, only the costal area of the corium and SC PUMOMA SITE SUIMGINIIOD ce 5 kaa « vic wie. ae awd aoa oe aedaweee [Ioscytus ] 7. Antennae slender; third joint of posterior tarsi equal to or but BS PEI MAISHORLER FUAATINSCCOMG o:5 in) sic sc er 2 Margin of pronotum yellowish, body not covered with erect hairs _ xanthochila No. 34. ] HEMIPTERA OF CONNECTICUT: SALDIDAE. 413 ERIM PMEONOLIIT CULVER 2 «o's ae ¥ eee sie ow lee ble widield ale sees le Gees eies 3 METRE RTN ICN SEL ANGIIG cla). c var evaie wale wists 220:00; sii sun a elateijm eae 's 8 3. Corial margin white or yellowish marked or spotted ............. Corial margin concolorous black; large nearly unspotted dark MME SP Sli te) CRA ie tee ai vie ie alates ould Bale «poe d Se ea als major 4. With long erect hairs on upper part of body .........0..c.ce000- 5 PUNT ITE TRUE Nigh hci 15 us Gee Jae sarin ldanknrn 6 ate oe al al w o6to eiwiaemiecd a 6 5. Large shining species, corial margin with two long flavous spots, Sametunes contiuent: form elongate ............22.0en0 confluenta Small dull species, covered with a golden pubescence; entire corial margin except base narrowly dull flavous; one white spot of variable size at apex of corium and five or six bluish spots on the POPE POEM GEMICUIALC (oils aie sale eee dd a 'e'ee ce bate vada es orbiculata @ Coral marsin marked with white or flavotis .........0.0cceccsee Sonal marein unspotted or concolorous ....:....008.080- interstitialis 7. One long white or flavous mark at the middle of the corial margin and a small flavous spot before the apex. (Corial spots small, obscure and not joined to the marginal ones.) ............ saltatoria Corium with large whitish spots, broadly joined to the marginal ones (Hemelytra mostly pale with ill-defined nebulous brown- ea ita Pale) 12. 5's sc cle leis ale « ins Sede alhs eels soe s pallipes 8. Upper part of body without long erect hairs, corium more or less pale-spotted, with large pale areas at margin .................. Upper part of body with long erect hairs; corium all black except a small marginal white spot close to the apex ....... separata 9. Margin of hemelytra entirely flavous, except the extreme base, forming a regular flavous band margined at each side by a brown- MRPEPENTATIAN TICTVGICG ia a oipc ee sigs sl'e ee Gainicie «a adele scale eos -opacula Margin of hemelytra with two long flavous spots and one minute PIPER SOOL APICAL YS 52 cls aie en ot Ve chiale'w bgt wishes’ les 2 ... -reperta S. major (Provancher). Mat Can: 107, 1872. Salda deplanata Uhler, Bull. U. S. Geol. Geog. Surv. Terr., iii, 442, 1877. Salda lugubris Uhler (not Say), ibid., i, 333, 1876. Saldula major has figured in all collections up to a very recent period as deplanata Uhler. It isa large black dull form frequently found on the shores of ponds or other places where there is black mud. It is not very abundant but being rather slow to move, it is not difficult to catch with the fingers. Widely as it is spread, it has not been recorded from Connecticut, although it is found in the neighboring states. The nymphs are shining black and quite as large as the adult smaller members of the genus. S. confluenta (Say). Het. New Harm., 35, 1832. This is a shining species in bright black and white pattern found about ponds. While not rare, it is not often seen in collections. Cornwall, 5 July, 1919 (M. P. Z.) ; So. Meriden, 11 July, 1914 (H. L. J.). S. orbiculata (Uhler). Bull. U. S. Geol. Geog. Surv. Terr., iii, 450, 1877. This pretty little species is not yet recognized from Connecticut. S. interstitialis (Say). Jour. Acad. Nat. Sci. Phila., iv, 324, 1825. 414 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. This is an extremely melanic and variable form, which may be distinguished without difficulty by the key. It may turn out to be nothing but a dark variety of S. pallipes Fabricius. It is by far the commonest species in the Eastern States, together with pallipes, with which it is found. It ranges from Maine to Florida and from Massachusetts to California. "The one Connecticut record, which is new, are two specimens taken by Mr. H. L. Viereck, and determined by Mr. Van Duzee as pallipes Fabricius. Stratford, 16 Aug., 19004 (H. L. V.). S. separata (Uhler). Proc. Bost. Soc. Nat. Hist., xix, 432, 1878. So far this species has heen recorded only from Massachuke ds, New Hampshire and Pennsylvania. S. reperta (Uhler). Bull) U.S. ‘Geol. Geog: Surv. Terr.) in, 447, 1877. Says Uhler of this species, “This is a robust little species, very closely related to S. méterststialis Say, . . . But the different shape of the pronotum, with the other details, will at present serve to separate it.” Hamden, 28 Apr., 1921 (B. H. W.); Milford, 2 May, 1921 (B. H. W.); New Haven, 26 March, 1921 (B. H. W.); East Haven, 10 May, 1921 CME PZ): S. xanthochila (Fieber). Wien. Ent. Monat., iii, 234, 1850. Xanthochila is a Palaearctic species, which with us ranges to Colorado and California. Branford, 11 Aug., 1904 (H. L. V.). S. pallipes (Fabricius). Ent. Syst.,1V..71, 1704. This is a common and highly variable species, and readers are referred to Van Duzee’s Catalogue for the full synonymy. Not alone is it abundant and widespread, ranging as it does all over Europe, and so far as known, the greater part of the United States, but also it is highly variable in markings. Our Eastern specimens, so far as known to me, belong to the variety dimidiata Curtis, in which the hemelytra are nearly all white, save for a broad black band at the base. And strange to say, common as it is, it has been recorded from only nine States. The Connecticut record given here makes this the tenth State. Almost any collection of Saldidae made on the shores of stream or pond, or among the sedges of the salt marshes, will number hosts of this common little species. Nothing is known of its life history, as is true of the other species of the genus. East Hartford, 18 Aug., 1906 (B. H. W.). S. opacula (Zetterstedt). Ins. Lapp., col. 268, 1840. No. 34. | HEMIPTERA OF CONNECTICUT: SALDIDAE. 415 Here we have a pretty and very distinct little form. Although Mr. Van Duzee, in his catalogue, notes that it may not be different from sphacelata, it is distinguishable from this species not only by not having five membranal areoles, but also by its smaller size, and distinct color pattern, the striking characteristic of which is the narrow regular flavous margin of the corium. ‘The species is Palaearctic, and thus far seems to have been recorded only from Massachusetts. It has been taken here and there in ones and twos in other Eastern States, and we shall doubtless, before long, see it recorded from Connecticut, particularly since it has been taken on the North shore of Long Island. S. saltatoria (Linnaeus). Syst. Nat. Edn. 10, i, 448, 1758. This is one of the common European species. It has heretofore been recorded only from New York and Illinois. Lyme, 30 Apr., 1911 (A. B. C.). Micracanthia Reuter. This genus was established by Reuter to contain two American species, the Eastern Salda humilis and the Western pusilla. M. humilis (Say). Het. New Harm., 35, 1832. This is a very pretty tiny species, the smallest American repre- sentative of the family. It is quite common and very active and lively. Its range is from Maine to Florida and from Massachu- setts to California. Strange to say, it has only recently been recorded from Connecticut. Orange, 22 June, 1920 (M. P. Z.). Lampracanthia Reuter. This genus is well characterized in the key. Its species may at once be distinguished by their shining black color and the mem- brane scarcely separable from the corium as to texture. Three species are given in the following table, although but two should be found in Connecticut, if we are guided by the published records. The species are commonly found in bogs, roaming about at the roots of the sedges and grasses. Reference has already been made to their oviposition. The table following will serve to separate the species, so far as one may judge by descriptions. Key to Species. 1. Callus long, slightly or moderately convex; hemelytra moderately expanded at base, not much wider than pronotum ............... 2 Callus very short, strongly convex; hemelytra broadly expanded at base, much wider than the pronotum ................... coriacea 2. Callus very long, with two foveoles; posterior lobe of pronotum a very narrow, slightly elevated, linear tablet; first joint of antennae short and stout; length 4.75 mm. ............. crassicornis 416 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Callus slightly convex, moderately long, with one foveole; posterior lobe short; first joint of antennae long and not much thicker than three; length 4-6.mm. %..5). bl. wee eee eed ea eee anthracina L. crassicornis (Uhler). Bull. U.S. Geol, Geos. Surve Ters.; -111;438)-9877. This species is given by Van Duzee as occurring in New Hamp- shire. It was originally described from the Saskatchewan River, in the Canadian Northwest, and Hungerford records it from New York. It may, or may not, be found in Connecticut, eventually. L. anthracina Uhler. Bull. U. S. Geol. Geog. Surv. Terr., iii, 438, 1877. Our common shining black Saldid, to which I suspect all Eastern records for the preceding and following refer, if, indeed, it should not eventually turn out that coriacea following is only a dimorph of this brachypterous species. So far, it is unreported from Connecticut. L. coriacea Uhler. Rept. U. S. Geog. Surv., 421, 1871. The remarks preceding cover this species, reported thus far from all the States bordering on Connecticut. The two last species are placed by Van Duzee in the genus Salda. Orange, 4 June, 1910 (B. H. W.). In conclusion, it cannot be too much emphasized that if there are few Connecticut records of this interesting group, it is merely because they have not been collected. In one summer, any indus- trious collector should be able to get at least eight or ten of the species mentioned in goodly numbers, even though he work in a restricted locality. It may also not be amiss to remark that the genera Chiloxanthus Reuter and Chartoscirta Stal, are both found in America, and careful collecting may turn them up in the East; the same is equally true of the other genera, for there are few insects so widespread as the genera and species of water bugs and their allied littoral forms. Family VELIIDAE. By J. R. pE LA TorreE-BUENo. The family Veliidae contains three genera which may be separated as follows: Key to Genera. 4, Anterior tarsi, each with more than one joint ..........-1.seeeee 2 Anterior tarsi one-jointed; intermediate tarsi longer than pos- terior, third joint split, with feathery hairs in cleft ............. Rhagovelia, p. 417 2. Anterior tarsi two-jointed; last antennal joint longest ........... Microvelia, p. 419 Anterior tarsi three-jointed; intermediate tarsi longer than pos- terior; feathery hairs and cleft wanting; first antennal joint SERRE Gs fo! 5 x. pussies ge weabede p eNnbe, ania palace meade baal oO aa soa eee Velia, p. 417 a No. 34. | HEMIPTERA OF CONNECTICUT: VELIIDAE. AIT Velia Latreille. The genus Velia is represented in the Atlantic States by only two species, neither of which is known as yet from further north than the vicinity of Washington, D. C. Aside from the fact that they are semi-aquatic, little seems to be known in regard to these insects. Miall limits his remarks on the European Vela currens to stating that it swims under water more readily than Gerrits and walks back downward on the surface film. The genus is dimorphic as to wings which of course makes certain structural changes in the thorax. Like all their congeners, the species of the genus are predaceous.* So far as known, they are stream forms, as denoted by the names of the two Europeans, currens and rivulorum. ‘These two congregate in small schools, but this can scarcely be the habit of our own forms, as they have been taken only by ones and twos. The European species overwinter as adults in moss on stones. The eggs are deposited in spring on the vegetation coming to the surface.{ The species thus far recognized from the Eastern United States may be separated as follows: Key to Species. Intermediate tarsi subequal to or but little longer than posterior, second and third joints subequal; second joint of hind tarsi longer PRIETO MN iste MCLs ae Fea Midler adhe’. date ayahcl Skt cla Wie chavs tomy stagnalis Intermediate tarsi much longer than posterior, second joint much longer than third; second joint of hind tarsi shorter than third; (first joint of antennae nearly one and a half times as long as _ Raa tSCI EOE RH oye) Shalt GRD. Ache i, «in nl AE AWA NE, Satire fvetdlellens sands australis V. australis Bueno. Bull. Brook. Ent. Soc., xi, 54, 1916. V. stagnalis Burmeister. Handbuch d’Ent., ii, 212, 1835. Rhagovelia Mayr. Rhagovelia, next to Rheumatobates, is perhaps the most interest- ing genus of the waterstriders in regard to very special adaptation to a peculiar habitat. In nature, I know two species, our own North American Rhagovelia obesa, anda Rhagovelia from Mexico, both of which are found only in running streams. The unique cleft intermediate tarsus and the swimming plume arising there- from are peculiarly suited to the insect’s constant striving against strong currents. The species of this genus are dimorphic, but in our latitude the fully winged forms are rarely seen. Little is known as to their breeding habits or other phases of life. The * A. Griffini, Gli Insetti Acquaioli. 1894. { C. Wesenberg-Lund, Fortpflanzungsverhaltnisse: Paarung und Eiablage der Susswasserinsekten. Forts Nat. Forsch. Halle vii, 196, 6. 14 418 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. forms occurring in the United States are easily separated, aside from the difference in habitat, as follows: Key to Species. 1. Second and third joints of middle tarsi equal; female with knobbed posterior pronotal process; posterior femora incrassate in male Onlys(icenne. citi pol Peers erro ene onda debiclo ne ouletelegl ates ea oriander Second and third joints of middle tarsi unequal; female without pronotal process; posterior femora equally thick in both sexes .. 2 2. Third joint of posterior tarsi longer than second; hind femora incrassate and spinose in both sexes; very dark in color with a more ef less aeneous lustre... 22. 04 .)oh. jane erie eee ee obesa Second joint of posterior tarsi longer than third; hind femora scarcely incrassate in both sexes, not spinose; lead gray in color (subgenus Trochopus ‘Carpenter )? 2.020. 0. cane eee plumbea R. obesa Uhler. Procs Bost.) Soc; Nat) Hist, xiv; 107). 1871. This species, according to Uhler in the Standard Natural History, is found throughout the Atlantic States in the rapid parts of streams. In such places, the individuals congregate in schools, swimming powerfully in zigzags against the current, or at times sheltered behind some projecting rock, placidly paddling in the eddies that swirl about it. The peculiar tarsal plume in this species and its striking function are described in detail in the Canadian Entomologist.* This is a difficult form to confine in an aquarium as it immediately takes to diving and finally perishes. Rhagovelia obesa is sometimes found winged about New York, but so rarely that twenty years of collecting have yielded only seven specimens. So far, it has been recorded from the Atlantic States north of Georgia. It is perhaps the most widespread species of the genus and it has been suspected that some of Champion’s Central Ameri- can species may be but unrecognized variants of it. Central America seems to be the metropolis of the genus, since most of the known species occur there. R. oriander Parshley. So. Dak. State Coll. Technical Bull. No. 2, 19, ff. 2, 19, 1922. This species, although described from South Dakota, is inserted here because our knowledge of these forms is so incomplete that it or another species may be found in Connecticut. R. (Trochopus) plumbea Uhler. Proc. Zool. Soc. London, 217, 1894. This species is a denizen of estuaries and bays and other brackish and salt waters on our coasts. There is only one other species of the genus with a like habitat, R. salina Champ., which is found on the Central American coast. Nothing further seems to be known of its habits, but perhaps some Floridian traveler * On Rhagovelia obesa Uhler, Vol. xxxix, 61, 64, 1907. No. 34.] HEMIPTERA OF CONNECTICUT: VELIIDAE. 419 may some day make a very fascinating study of its life history. Its leaden hue alone is enough to distinguish it from its near relatives, aside from the differences noted in the key, its long, slim legs, its short body, and the other characters indicated by its authors. Microvelia Westwood. Ann. Soc. Ent. Fr., iii, 647, 1834. Hydroéssa Burmeister, Handbuch, ii, 213, 1835. Veliomorpha Carlini, Ann. Mus. Genova, xxxv, 120, 1895. This genus contains not only the smallest of the water-striders, but also of all the water-dwellers among the Hemiptera except . Helotrephes in the Notonectidae. It is probably the most abun- dant as to numbers and species, and the most widely distributed, since it is known from all the continents and nearly all the islands, and occurs in every zoological region. Be it pond, lake or stream, it is always possible to secure these tiny beings, hiding among the grasses or walking about the banks or stalking their game on the green fields of duck-weed floating on some placid pool. This genus also is dimorphic and some of its species polymorphic, and here again the winged and wingless forms are so notably different that they have frequently been taken for distinct species. The thoracic structures of the apterous forms also affords excellent differentiating characters. However, in the antennae we have such excellent characters that it is always possible to bring together both forms of any one species and to differentiate them from other species, even though closely related. This antennal character is largely employed in the following key since it is easily applicable to both the winged and wingless forms: Key to Species. 1. Antennae longer than head and thorax taken together; posterior cee ANAL (AGT OEI SEXES ani agree 4s arapc.e)e 6 o'e.claje w wit) s viateareraate me 3 Antennae equal to or shorter than head and thorax taken together 2 2. Antennae shorter than head and thorax taken together; posterior tibiae curved in male; female orbiculate, male elongate ..... borealis Antennae equal to head and thorax taken together; posterior tibiae straight in both sexes; sexes similar in form ............ hinei 3. First and third antennal joints subequal in length ................ 4 First antennal joint shorter than third, fourth subequal to second and third taken together. Hemelytra much marked with white; a@recous tori Glabrous, slendet |... 2... .06.. cece eee eens albonotata 4. Fourth antennal joint much shorter than two and three taken EL a a OE ET A nae ad ee ee es Fourth antennal joint slightly longer than second and third taken MMT io or oa er. ww le wx cade cme buenoi 5. Apterous form with dorsal patches of silvery white pile; hem- elytra in winged form unicolorous; a moderately large, stout Ae NL ekls Skid ce GM oa ede uededh waves americana Apterous form with dorsal patches of blue-gray pile; winged form unknown; rather small, fusiform species ................. fontinalis 420 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. M. americana (Uhler). Stand. Nat. Hist. ii, 274, 1884. (As Hebrus.) This species may be further separated from its relatives as fol- lows: Fourth antennal joint is longer than third, first is longer than second, the second being the shortest; third is the thinnest, the others being of nearly equal diameter and the first is slightly curved. The hind femora extend slightly beyond the apex of the abdomen: the hind tibiae are straight in both sexes, and the hind tarsi two-jointed. Its life history and habits have been described.* Briefly, the bug overwinters in the adult stage, and early in spring emerges from its hibernaculum and proceeds to breed. The eggs are laid in a transparent glue and hatch out in about ten days, varying according to temperature. After five molts, it reaches the adult stage in some six weeks. As it begins to breed about April, it may have as many as four or five broods before the end of October. The adults and nymphs in all stages are frequently found in company. It seems to prefer the sloping banks of slug- gish streams or ponds, or to perch on partly submerged sticks or on the sides of springs or water-holes in the outgrowing mosses. It is preéminently predaceous and will attack in force any insects struggling in the water. This species is widely distributed throughout the United States ranging over all the Eastern States and certainly south to Florida, west to the Mississippi, and has been reported from Colorado and Texas. Cheshire, 6 May, Hamden, 25 May, 1911 (B. H. W.). M. fontinalis Bueno. Bull. Brook. Ent. Soc., xi, 58, 1916. Only the wingless forms of this species is known. It is taken in numbers in a spring in a marshy woodland, where it clings to the long mosses growing into the water or walks about in leisurely style a short distance from the rocky sides of the basin. The blue- gray patches of pubescence on the dorsum are distinguishing characteristics. The characters given in the table will serve to dis- tinguish it from americana, for small specimens of which it may be mistaken. In antennal structure it is near albonotata. M. albonotata Champion. (capitata Bueno.) Biol. Cent. Am., Heterop., ii, 129, pl. 8f, 17, 1808. This species was described from a single winged male from Guatemala, Central America. It was subsequently recorded from Riverton, N. J., by Mr. E. P. Van Duzee and later secured at Westfield, N. J., by the writer. The specimens from the United States agree with a Mexican specimen in Kirkaldy’s collection and with the type in the British Museum. In this species, as in the other, the most obvious character is in the long thin antennae, which are exceedingly characteristic. It cannot be mistaken for * Canadian Entomologist, xlii, 176, 186, 1910. No. 34.] HEMIPTERA OF CONNECTICUT: VELIIDAE. 421 any of the other species, as it is the largest of our Eastern forms, except americana, from which its slim body, long thin antennae and white-spangled hemelytra at once distinguish it. The apterous form is more glabrous and much less velvety in appearance than the winged forms. In addition to the original locality, and from the other states already mentioned, it is known from Georgia, where it was taken by Dr. J. C. Bradley. This species has not been recorded from Connecticut. M. borealis Bueno. Bull. Brook. Ent. Soc., xi, 59, 1916. This is the species that has appeared in the writer’s papers as pulchella Westwood, from which it may be separated, aside from other characters, by having the first antennal joint longer than the second. It is also smaller, and pulchella, so far as is known to me, is only Antillean in distribution. This tiny bug is perhaps the most abundant of our native Microvelias, and it may always be found in large colonies on the matted Lemna or duckweed on still ponds. It is just as predaceous as its larger congeners and is most frequently found in the wingless form, although the fully winged is not rare. It begins to breed in the spring and lays its tiny eggs on the underside of the duckweed leaves with the head end toward the edge of the leaf, in the usual gelatine. The nymphs emerge in eight to thirteen days, and after four molts reach the adult stage in about sixteen days minimum, twenty-four days from the egg to the adult, which would allow for eight generations in the course of the summer. As one female may lay several batches of eggs, her progeny may be found in various instars at the same time. Attention is directed to the unusual number of molts, as the general rule in all Heteroptera is five, which in the known instances of deviation has been exceeded, but not lessened. No Connecticut records are available. M. buenoi Drake. Bull. Brook. Ent. Soc., xv, 19, 1920. No Connecticut records are at hand for this species, newly described from northern New York. M. hinei Drake. Ohio Jour. Sci., xx, 207, 1920. This minute species, described originally from Ohio, was later found by Prof. H. M. Parshley in Northampton, Mass., and by myself in great abundance in White Plains, N. Y. It is so tiny a species it can easily be mistaken for a nymph of borealis, particu- larly since the two species are commonly found in company in secluded coves and shallow waters. 422 CONNECTICUT GEOL..AND NAT. HIST. SURVEY. [ Bull. Family MIRIDAE (CAPSIDAE).* By Harry Hazerton Knicut, Pxu.D. The family Miridae, or Capsidae of older authors, is distin- guished by having four-segmented antennae, four-segmented ros- trum of which the first segment is as long or longer than the head, by absence of ocelli, tarsi three-segmented, wing membrane with only two cells or areoles, one longitudinal vein (anal vein), and by having a well developed cuneus in the wing (Fig. 47). The four-segmented antennae are usually slender, nearly linear or segment 11 only slightly thickened apically, but more rarely strongly incrassated ; segments iii and iv usually slender but in some forms distinctly thickened. The hemelytra are typically separated into clavus, corium, cuneus, and membrane, the embolium usually not clearly separated from corium; veins of membrane forming two cells, a smaller and a larger areole. The arolia, or pulvillae-like structures between the tarsal claws, in their modifications furnish the most reliable characters for separating the subfamilies. In general, the species of Miridae are small to medium in size, usually rather fragile, broader than high and longer than broad; as viewed from above ovate to oblong, but at times very slender. Usually the male is more slender than the female. The body is variously clothed with fine hairs or pubescence, sometimes modified to form sericeous, or scale-like, deciduous pubescence; frequently the dorsum practically glabrous and strongly shining. The numerous species exhibit the greatest variety of color patterns, ranging from the most obscure to forms which are vivid red. Color varieties within the species are frequent, and the two sexes are more often differently colored, the male usually darker than the female. Brachypterous and apterous forms occur throughout the family, and individuals of a single species may exhibit variation in this respect. Usually the male is macropterdus even when the female is apterous, but the male may in rare cases also be apterous. Mimetic forms are rather numerous among the Miridae, especially those species described in genera closely related to Pilophorus. Perhaps a majority of the species of Miridae are plant feeders, but a large number are now known to be chiefly predaceous. The predaceous habit is only partially developed in certain species, and thus animal blood serves merely to supplement the sap obtained from particular food plants. Probably the greater number of species are limited to a single host plant, or to a genus of plants, while a very few, such as Lygus pratensis Linnaeus and Halticus citré Ashmead, have a wide range of food plants. Forms which are chiefly predaceous are more frequently found on miscellaneous * Contribution from the Department of Entomology, University of Minnesota. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 423 mesosculum _sculellum ; ~genilal segments / vagina exlerior SG iphar' inx.' f (= i ie " J i; \ pst a. ccula tos Fung oracic spiracle carina nm collum 2 anlenna genital / segment disk pronolum | mesosculum : : i 1, ff genital clasper __claval vein i |. -.commissure of hemelytra embolar margirr ft) L£adivs ] | | __costal vein pseudarolia _[__anal ridge ‘ arglia U EON L__ fracture __anal vein _brachium’® ft or cubitus, ‘ Yarge small areole fi ygus vanduzeei /| uslraling Muck H.H. h ural Terms del _ Fic 47. Lygus vanduzeei Knight,—illustrating the structural terms used in the classification of the Miridae. Greatly enlarged. Drawing by Dr. H. H. Knight. 424 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. plants. Even among species which always breed on a single host plant, a general dispersal of individuals usually takes place. Fol- lowing the time of emergence and mating, individuals of Trops- dosteptes cardinalis Uhler, Lopidea staphyleae Knight, and others, have been observed to migrate from their host plant to shrubbery in the general vicinity; from thence they doubtless become dis- persed over wider territory and to new plants, although in the normal course of their life, eventually returning to suitable growth of the preferred host plant for the purpose of oviposition. As regards the number of species, the Miridae by far outnumber all other families of Heteroptera. In the Palearctic region, where the total number of Heteroptera is best known,* one thousand S S < C Le) S oO BB ES Sy hes o > Sun Sie ae vv =I Ww Fic. 48. A phylogenetic tree of the subfamilies of the Miridae. Drawing by Dr. H. H. Knight. seventy-eight species are listed for the family Miridae while all other families of Heteroptera combined total but 2,486 species. The Oshanin Katalog enumerates 5,476 species of Heteroptera and Homoptera for the Palearctic region, from which it may be seen that the family Miridae forms nearly one-fifth of all the species of Hemiptera listed. This is perhaps a fair indication of what may be expected for the relative number of species of Miridae in North America, after our fauna has been more systematically collected and worked. After considerable study of the arolia and genital structures in * Katalog der palaarktischen Hemipteren (Heteroptera, Homoptera- Auchenorhyncha und Psalloidae). 1912. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 425 the family Miridae, the writer has arrived at certain conclusions regarding the relationships of the subfamilies. Perhaps the most significant change is in the elevation of the subfamily Orthotylinae, from next to the lowest subfamily where Reuter placed it, to a place near the top of the series, or near to the Capsinae and Mirinae. When guided by the form of the arolia and the genital structures, we are dealing with the most fundamental characters yet proposed for classification of the subfamilies. On the basis of these structures, it may readily be seen from the figures accom- panying this paper, that the subfamily Orthotylinae is more closely related to the Capsinae than any other subfamily. Reuter placed the Orthotylinae next to the Phylinae because of general similarity, chiefly on absence of pronotal collar, rather than relying on the form of the arolia. The present writer not only finds a close relationship between the erect, diverging and converging arolia (Fig. 49), but also in the highly developed and specialized character of the genitalia. J. Sahlberg (1920) and Bergroth (1922) find reason to recog- nize in the Mirinae of Reuter, two subfamilies, the Capsinae and Mirinae. Although both groups have erect arolia, divergent on the apical half, there are still very good characters for recognizing two subfamilies. Certainly the Mirinae are more primitive than the Capsinae. In addition to the characters given in the subfamily key, the Mirinae may be judged more primitive as indicated by: (1) more generalized and little modified type of genitalia; (2) few genera and each with comparatively few species, but several of these are of world-wide distribution; (3) all the species breed on grasses or related lower plants. The Capsinae, on the other hand, are more specialized and stand higher for the following reasons: (1) possess highly specialized genitalia; (2) numerous genera and species but having limited distribution; (3) the numer- ous species breed on a great variety of the higher plants, or plants of comparatively recent origin, also many species have developed predaceous habits. The phylogeny of the Mirid subfamilies does not present a linear series of development, but more of a progression upward in several directions, and this perhaps may best be represented by a genealogical tree. A subfamily tree is appended (fig. 48) which will express more clearly the relationships within the family, based on the following characters which are listed in the order of their relative importance: (1) arolia; (2) genital structures; (3) biology; (4) modifications of the thorax. Key to subfamilies of Miridae. (Figure numbers refer only to Figure 49.) 1. Arolia present, erect and prominent (fig. 49: 33-60); or pseud- arolia very prominent, usually with bristle-like arolia also present ren Peo DRS oak nec vod aescadeacesdenes 6 426 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Buil. Fic. 49. Tarsal claws and arolia of Miridae. Greatly enlarged. PHYLINAE, tribe PHyzini, Nos. 1-12.—(1) Chlamydatus associatus Uhler. (2) Reuteroscopus ornatus Reuter. (3) Lepidopsallus rubidus Uhler. (4) Microsynamma bohemanni Fallen. (5) Rhinocapsus vanduzei Uhler. (6) Criocoris saliens Reuter. (7) Psallus ancorifer Fieber. (8) Lepidopsallus minusculus Knight. (9) Campylomma verbasci Meyer. (10) Plagiognathus obscurus Uhler. (11) Plagiognathus annulatus Uhler. (12) Microphylellus modestus Reuter. PHYLINAE, tribe ONcoTyLini, Nos. 13-14—(13) Lopus No. 34. |] HEMIPTERA OF CONNECTICUT: MIRIDAE. 427 Arolia absent, or present but bristle-like in form (fig. 49: 25-32), sometimes difficult to distinguish from hairs on tarsus; pseud- arolia absent, or present but small in size (fig. 49: I-12) ....... Z 2. Prothorax simple, destitute of an apical stricture, sometimes with a flattened apical area suggesting a collar but not separated off by a distinct incised line; male genitalia distinctive, the tip of the penis twisting to the left, lying closely within the bend of left clasper, extending downward and beyond it to the left side ..... PHYLINAE, p. 428 Prothorax provided with an apical stricture, sometimes fine and shallow, when apparent only at the sides an impressed line extends back to rear of calli; male genitalia not as the above ......... 3 3. Claws thick, either sharply bent (fig. 49: 21), or broadly curved (fig. 49: 27), or more sharply curved and cleft near base (fig. NE eT Eye eC Ae ras Sd doe a hoteha Walnvcte sid bike Sera u meas 4 Claws simple and slender, rarely widely spread (fig. 49: 25-26) ; tibiae weakly spinose, long and tapering apically or else greatly shortened; in the latter case segment i of the tarsi is unusually long, the head transverse and eyes strongly protruding ......... CYLAPINAE, p. 479 eeirenetim with annuliform apical stricture ................00e006 Pronotum with an apical gibbosely convex area; stricture apparent only at the sides from which an impressed line extends to rear PREIS We Ta ls Se ek ho Sure besa as eel CLIVINEMINAE, p. 480 5. Hemelytra hyaline, glassy, ovate, with a sharply defined inverted Mesuaped ted or fuscous mark (Hyaltodes) ....5.. 0.6.6.0. 00-0% DICYPHINAE (pars) p. 476 Hemelytra not hyaline or glassy; claws usually cleft near base, arolia bristle-like but pseudarolia absent ..... DERAEOCORINAE, p. 481 6. (1) Pseudarolia very prominent, obscure bristle-like arolia also present between claws at base (fig. 49: 13-20, 22-24) .......... 7 decolor Fallen. (14) Macrotylus sexguttatus Provancher. PHYLINAE, tribe HALLODAPINI, Nos. 15-17. (15) Teleorhinus davist Knight. (16) Orecto- derus obliquus Uhler. (17) Coquillettia mimetica Osborn. DicyPHINAE, Nos. 18-21. (18) Macrolophus separatus Uhler. (19) Dicyphus agilis Uhler. (20) Dicyphus discrepans Knight. (20a) Dicyphus famelicus Uhler. (21) Hyaliodes vitripennis Say. BryocorinarE, Nos. 22-24. (22) Monalocoris filicis Linnaeus. (23) Pycnoderes dilatatus Reuter. (24) Sixeonotus insignis Reuter. CYLAPINAE, Nos. 25-26. (25) Cylapus tenut- cornis Say. (26) Fulvius brunneus Provancher. CLIVINEMINAE, No. 27. (27) Largidea davisi Knight,—claws and hind tarsus. DERAEOCORINAE, Nos. 28-32. (28) Deraeocoris pinicola Knight. (29) Deraeocoris nebulosus Uhler. (30) Deraeocoris ruber Linnaeus. (31) Eurychilopterella luridula Reuter. (32) Eustictus venatorius Van Duzee. ORTHOTYLINAE, Nos. 33-54. (33) Labops hirtus Knight. (34) Semium hirtum Reuter. (35) Partheni- cus vaccint Van Duzee. (36) Halticus citrt Ashmead. (37) Halticus intermedius Uhler. (38) Strongylocoris stygicus Say. (39) Orthocephalus mutabilis Fallen. (40) Sericophanes heidemanni Poppius. (41) Alepidia gracilis Uhler. (42) Pilophorus amoenus Uhler. (43) Pseudoxenetus scutel- latus Uhler. (44) Ceratocapsus modestus Uhler. (45) Lopidea robiniae Uhler. (46) Hadronema militaris Uhler. (47) Ilnacora malina Uhler. (48) Orthotylus flavosparsus Sahlberg. (49) Orthotylus catulus Van Duzee. (50) Orthotylus dorsalis Provancher. (51) Heterocordylus malinus Reuter. (52) Mecomma gilvipes Stal. (53) Reuteria irrorata Say. (54) Diaph- nidia pellucida Uhler. Murrinar, Nos. 55-56. (55) Pithanus maerkelt Herrich-Schaeffer. (56) Stenodema trispinosum Reuter. Capsinak, Nos. 57-60. (57) Barberiella apicalis Knight. (58) Platytylellus insitiwwus Say. (59) Phytocoris lasiomerus Reuter. (60) Lygus vanduzeei Knight. Drawing by Dr. H. H. Knight. 428 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. or diverging at the apices) /.....22.2...0. 22... 9 GWAC DISS ae taaines' ot Sito aa cate by See BryocorRINAgE, p. 478 Ultimate tarsal segment linear; pseudarolia not as the above; lora usually distinctly separated from the genae .................... 8 PHYLINAE, p. 428 Prothorax with annuliform apical stricture, sometimes obsolete above in the middle but forming a distinct collar; claws usually sharply bent (fig. 49: 18-20); male genitalia not as the above DICYPHINAE, p. 476 9. (6) Arolia diverging at their apices (fig. 49: 55-60). 7222 an0geeee 10 Arolia converging at their apices (fig. 40: 33-54) -....2-bseeceue ORTHOTYLINAE, p. 497 10. Prothorax without ring-like apical constriction, often with sulcus impressed near front margin of calli but never extending over the sides; lateral margins of disk usually carinate to anterior angles; first tarsal segment much longer than segment ii and equal in thickness; tarsal segments scarcely overlapping at joints and thus very flexible (straw-chmbers eu... o/.225 292.0 MIrRINAE, p. 545 Prothorax with a ring-like apical constriction which extends over the sides and beneath, sometimes obsolete on median line above, and more rarely it may be entirely absent but in such case the abdomen is constricted at base; lateral margins of disk fre- quently carinate but never extending forward upon collar; first tarsal segment short, rarely longer than segment 11 except in the Resthenini, but when longer, the pronotal collar very distinct and segment i much thicker than segment ii; tarsal segments with tips overlapping at joints and thus practically inflexible (leaf- walkers) 2 Voie. oss dole aces RE See een CAPSINAE, p. 550 Subfamily PHYLINAE. Key to Tribes. 1. Pronotum without flattened apical collar; abdomen not constricted SVE DISC inal ici bis wo wis) ola cascade ie wid tesa bo boneue Pe ees eae ao laine Pronotum with a more or less flattened apical collar but without distinct stricture separating it posteriorly; abdomen usually distinctly constricted at base, usually elongate forms ........... (p. 474) Hallodapini 2. Prosternal xyphus convex, not distinctly margined, pseudarolia minute or wanting (fig. 49: I-12), connate upon the inner angle of the claw and rarely projecting free for a space greater than the base of attachment, nor extending beyond tips of claws . .Phylini Prosternal xyphus depressed on its disk, its margins more or less elevated; pseudarolia connate for the full length and frequently projecting beyond tips of the claws (fig. 49: 13), or attached only at the basal angles and extending free and parallel with them to fae tips (NG! AGo LAY se ane er eo eee ee (p. 473) Oncotylini No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 429 NI 10. Tribe PHYLINI. Key to Genera. Pubescence normal, composed of a single type of fine, chiefly erect pubescent hairs, sometimes nearly glabrous .................00. 2 Pubescence composed of closely appressed, tomentose or scale-like deciduous hairs, and usually interspersed with more erect pubes- See SM MA Cian Man uate Wade ahaha tes dad. cat) v4 Head more or less produced, facial angle (when viewed from the side, the angle formed by the contour line of the tylus and lower margin of the buccula) less than a right angle; length of antennal BeumenE at oreatee than width Of head... ..-.-<: 2) eee borealis Calli more or less invaded with brownish or pale, distinct rays not apparent behind calli; hemelytra and pronotum more uniformly colored, either fulvo-testaceous or dark brownish .......... fasciolus 4. Rostrum extending slightly beyond the posterior margins of the hind coxae; membrane with the apical half scarcely infuscated, femora pale but with two distinct blackish bands near the apex, hind tibiae biannulate with fuscous on the basal half ........ grandis Rostrum scarcely attaining the posterior margins of the hind coxae; membrane, femora, and hind tibiae not having the above combi- mation of characters 2.40... cele koa a a + ae ols 0 ee 5. Femora uniformly dark on the apical half, likewise the basal part in darkest specimens; venter distinctly reddish, sometimes dark chestnut red, Vshisin® 2.3 ae ie ok aoe ae one aad poe betulae Femora with the apical half distinctly banded or entirely pale .... 6 6. Second antennal segment with prominent pale exserted hairs, in length equal to three times the thickness of the segment; prono- No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 487 tum with discoidal margins pale, calli and posteriorly on disk black, forming a ray behind each callus and thus leaving the MRAM DMUS TAT rn Pies oS eee dale dame af.a's\cke alarm WV eawiay owe vs alnicola Second antennal segment without prominent exserted hairs, or if present, not equal to more than twice the thickness of the seg- ment; pronotal disk without distinct rays, sometimes black but ime lateral mareins not distinctly paler’...........5... aphidiphagus 7. (1) Hind femora with two brown or fuscous bands near the apex; apical half of membrane with a distinctly rounded fuscous spot, usually connected at base by a fuscous streak which extends up aE T SE MGR E! ALCOLOS! sc io.u sins vi aid Sig sh ted © 2 yesh xisidietealia a 8 Hind femora with but one fuscous band; apical half of membrane pale or clouded with fuscous but the fuscous area not forming Mmnunneee spat on) tie apical Malt 0. basse ee ok ea 9 8. Calli solid black, a broad piceous ray behind each, in pale specimens the calli may be somewhat brownish but in such case the median line and margins of disk are distinctly pale, leaving a dark brown ray behind each callus, hemelytra with piceous on clavus and Raa TTSONTGIE) PALE re, 5 Fa /k is stcla al ale se ele oa aGiare elmo Bye eee we a borealis Calli more or less invaded with brownish or pale, distinct rays not apparent behind calli; hemelytra and pronotum more uniformly colored, fulvo-testaceous to dark brownish ..... fasciolus var. castus 9. Dorsum uniformly brownish black; calli and scutellum blackish Cee UE PAS WAGE SAGESUITAS «. theres, ode els ois a8 dou eowle wade aidan Gee davisi Dorsum pale to testaceous and brownish, frequently becoming fuscous or blackish but always with some pale; calli margined MMC OE CHLIGCLY DIAC oo. co. a dese cern ses cea ceweseawees 10 10. Calli black only around the margin, dorsum rich brownish to fusco- (UE 2 STS. UG) SI ic Regia eg dn nitenatus Calli entirely black, or if not, then the dorsum pallid testaceous and with three pustulate fuscous spots, one at apex, middle, and Saree AMC E MIC TIAE VEU OM! | o/s) alate the-a) 0's: mace elena 6. vues «| rayalacare oles Gms II 11. Dorsum fuscous to blackish, usually with a pale median line running over the disk and scutellum, hemelytra darkened to such an extent that three pustulate fuscous spots are not apparent ....... quercicola Dorsum pallid testaceous with three pustulate fuscous spots, one at base, middle, and apex of each hemelytron; calli usually black but in pale specimens only margined with black ............... quercicola var. pallens D. borealis Van Duzee. Camptobrochys borealis Van Duzee, Proc. Cal. Acad. Sci., ser. 4, 1x, 354, 1920. 18th Rept. State Ent. Minn., 120, 1921. Length 6-7 mm., width 2.85-3 mm.; elongate, largely pale and marked with piceous; calli deep black, a broad piceous ray behind each, thus leaving the median line and margins of the disk pale or testaceous ; embolium pale translucent, membrane with a distinctly rounded fuscous spot on the apical half, usually connected at base by a fuscous streak extending down from between the areoles. North Branford, 5 July, 1921 (P. G.); South Meriden, 6 July (H. L. J.). D. fasciolus Knight. 18th Rept. State Ent. Minn., 123, 1921. Length 6.5mm., width 2.8-3.1mm.; usually slightly smaller than borealis, disk of pronotum more uniformly colored, calli more 488 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. borea is Ve Fic. 51. Deraeocoris borealis Van Duzee,—male i ie, (a) left clasper, lateral aspect, (b) internal arm of left ge (c) right ai lateral aspect. Greatly enlarged. rae by Dr. H. H. Knight. fasciolus Fic. 52. Deraeocoris fasciolus Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) internal arm of left clasper, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. c grandis Ul Fic. 53. Deraeocoris grandis Uhler,—male genital claspers, (a) left clasper, lateral aspect, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. betulae Fic. 54. Deraeocoris betulae Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) internal arm of left clasper, (c) right clasper, dorsal and lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 489 or less invaded with brownish or pale and without distinct rays behind; left genital clasper very similar to that of borealis but the right clasper is distinctive (fig. 52). , Massachusetts, Maine, New York. D. fasciolus var. castus Knight. 18th Rept. State Ent. Minn., 125, 1921. Apparently only a color form of fasciolus; tibiae pale without annulations, dorsum fulvo-testaceous, calli usually lined with black but sometimes entirely brownish. Occurs on beech (Fagus grandiflora) ; predaceous on Phyllaphis fagi Linnaeus. Massachusetts, New York. D. grandis (Uhler). Camptobrochis grandis Uhler, Ent. Amer., ii, 230, 1887. 18th Rept. State Ent. Minn., 126, 1921. Length 6.4-7 mm., width 2.9-3.1 mm.; distinguished by the long rostrum which reaches upon the second segment of the venter; dorsum rather uniformly dark brown, median line of pronotal disk rather broadly but only slightly paler than behind the calli; legs pale, apical half of hind femora and basal half of tibiae biannulate with blackish ; membrane uniformly pale fumate on the apical half. Occurs on hickory (Carya sp.). Massachusetts, New York. *D. betulae Knight. 18th Rept. State Ent. Minn., 129, 1921. Length 6.7-7 mm., width 3-3.2mm.; brown to dark brown or blackish, venter dark reddish brown to chestnut red; femora uni- formly blackish on the apical half, tibiae triannulate with blackish. Occurs on birch (Betula lutea). New Haven, 2 July (W. E. B.); South Meriden, 4 July (H. L. J.). *D. alnicola Knight. 18th Rept State Ent. Minn., 132, 1921. Length 6.5 mm., width 2.7-2.9mm.; general aspect very sug- gestive of borealis but distinguished by the genital claspers, promi- nent exserted hairs on antennae, and by paler infuscation of the membrane which does not form a distinctly rounded spot on the apical half (fig. 55). Occurs on alders (Alnus incana). New Haven, 20 June (B. H. W.), 2 July (W. E. B.); Stonington, 5 july, CW. B:)> Wallingiord, 19 June, 1912 (D. J. C.). *D. aphidiphagus Knight. 18th Rept. State Ent. Minn., 134, 1921. Length 5.8-6.1 mm., width 2.9-6.1 mm.; fusco-grayish to black- ish, the paler and translucent parts not stained with brownish, apical half of membrane infuscated, tibiae triannulate with 490 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. alnicola Fic. 55. Deraeocoris alnicola Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) internal arm of left clasper, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. Cc aphidiphagus Fic. 56. Deraeocoris aphidiphagus Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) internal arm of left clasper, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. Ey ~~ LY \\ ~! gue rcicola Fic. 57. Deraeocoris quercicola Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) internal arm of left clasper, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. davis Fic. 58. Deraeocoris davisi Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) internal arm of left clasper, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 4g1 blackish; left genital clasper with a long horn at the dorsal extremity, internal arm slender (fig. 56). Predaceous on Eriosoma americanum Riley. Wallingford, 13 June, ro11 (J. K. L.); Lyme, June (T. L. Guyton). *D. quercicola Knight. 18th Rept. State Ent. Minn., 138, 1921. Length 5.5-5.8mm., width 2.4-2.8mm.; darker colored than nitenatus, fuscous to blackish, calli black, apical half of membrane fumate, rarely so pale as in mitenatus; left genital clasper with a long dorsal horn which is very distinctive when taken in considera- tion with the form of the internal arm (fig. 57). Occurs on Quercus alba. East River, ee ro10° (C. R. E:); New Haven, 8 July (W. E. B.),.7 July, 1920 (B. H. W.). D. quercicola var. pallens Knight. 18th Rept. State Ent. Minn., 140, 1921. In structure and size similar to quercicola; calli more or less pale, pronotal disk rather uniformly colored; scutellum pale, rarely with some blackish each side of median line; hemelytra pale to yellowish, corium with a spot at middle, small one at base, and irregularly at apex, blackish. Occurs on Quercus macrocarpa. New York. D. davisi Knight. 18th Rept. State Ent. Minn., 140, 1921. Length 5.3 mm., width 2.5 mm.; slightly smaller than nitenatus, uniformly brownish black; legs and antennae chiefly pale, hind femora with an incomplete dark annulus on apical half ; membrane with apical half very faintly but uniformly stained with brownish, veins and areoles darkened with brownish; closely related to quercicola but the internal arm of left clasper more highly developed (fig. 58). Staten Island, N. Y. D. nitenatus Knight. || Camptobrochis nitens Reuter, Acta Soc. Sci. Fenn., xxxvi (2), 56, 1909. 18th Rept. State Ent. Minn., 141, 1921. Length 5.7-6 mm., width 2-2.9 mm.; general aspect very similar to guercicola but more highly polished, calli black around the margins only; dorsum rich brownish to dark brownish and piceous, frequently brownish on scutellum but rarely blackish each side of median line; brachium and apices of areoles dark fuscous while the apical half of membrane is practically clear; male genital claspers distinctive of the species (fig. 59). Predaceous on Ertosoma lansgerum. New Haven, 3 Aug., 1920 (W. E. B.). 492 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. _[Bull. nile nal US Fic. 59. Deraeocoris nitenatus Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) internal arm of left clasper, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. Key to Species of Group C. 1. Dorsum heavily pubescent or hairy, at least with long hairs at anterior angles of the pronotumi ... 2. . 2/220. dao n eee Dorsum practically glabrous, at most only sparsely and finely pubescent (not rubbed specimens), rarely with a few hairs at anterior angles of pronotum ..2. 0.2.4.0. 252, 25 2 2. Form broad oval, strongly convex (width greater than or equal to at least one-half the length of the insect) ......... (western species) Form elongate (width not equal to one-half the length) ......... 3 3. Antennae (female) with prominent exserted hairs on segment ii, in length equal to three times the thickness of segment at middle; male segment ii as thick at the middle as on the apical half, length of exserted hairs equal to one and one-half times the thickness\'of the seament oi 305 2 oo. ee LV Seer laricicola Antennae (female) with exserted hairs, in length scarcely equal to twice the thickness of the segment where they occur; male segment ii slender on the basal half, distinctly thicker on the apical half than at middle, or if not, then the length of exserted hairs not greater than the thickness of the segment ............ 4 4. Calli margined or lined with black, rarely entirely black, ivory white just before and extending inward from the anterior angles in one or two curved lines upon disk of each callus; male seg- ment ii of antennae nearly as thick at middle as on the apical half, length of exserted hairs scarcely as great as the thickness of the SESIMENE! ic oy Wie Sieve one wk eee d Reed se eee eee pinicola Calli solid black; segment ii very similar in both sexes, slender on the basal half and gradually becoming thicker toward the apex. Exserted hairs about equal to thickness of the segment; scutel- lum uniformly brownish; hind tibiae broadly pale on apical half but without a pale indication below the knee ......... appalachianus - 5. (1) Legs uniformly dark sepia brown or blackish, hind tibiae fre- quently with a pale annulus on the apical half .................. Legs and general body coloration fusco-grayish to blackish; hind femora pale on the basal half, two or three linear series of dark spots visible, apical half dark fuscous to blackish but divided by a narrow pale annulationis 10 seme nn ees oie ee oe ee eee kennicotti 6. Pronotum, hemelytra and legs uniformly dark sepia brown or blackish, the semitranslucent areas stained with brownish; hind tibiae usually distinctly annulated with pale on the apical half .. nigritulus Pronotum usually fusco-grayish or black; hemelytra fuscous to black, becoming paler in certain areas but not stained with brown- ish; legs brownish black, hind tibiae sometimes indistinctly annu- lated with paler on the apical half; front coxae, xyphus, lower margins of propleura, gula, and sides of tylus, pale ........ albigulus No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 493 *D. pinicola Knight. 18th Rept. State Ent. Minn., 162, 1921. Length 5.7-6mm., width 2.6-2.9mm.; calli margined or lined with black, antero- lateral angles invaded with pale, median line of front and just before calli pale to ivory-white; general coloration pale to grayish and darkened with blackish, not at all tinged with brownish (fig. 60). Occurs on Pinus strobus; predaceous on Chermes pinicorticis Fitch. Perntiora, July. (M. P. Z.); Mae 2 aoe ro20) CW. EB.) New Haven, 16 June (M. P. Z.J. i Jtly (OWE, Boy: D. laricicola Knight. 18th Rept. State Ent. Minn., 164, 1921. Length 6-6.5mm., width 2.7-2.8mm.; very suggestive of pimicola but slightly larger and more elongate, differs in the prominent exserted hairs on antennae and in the structure of the genital claspers (fig. 61). Occurs on larch (Larix laricina). Massachusetts, New York. D. kennicotti Knight. 18th Rept. State Ent. Minn., 166, 1921. Length 5.7-6.8 mm., width 2.7-2.8mm.; very much resembling and closely related to laricicola but having the dorsum distinctly hairy; structure of the male genital claspers very distinctive (fig. 62). Maine. D. nigritulus Knight. || Camptobrochis nigrita Reuter, Acta Soc. Sci. Fenn., xxxvi, No. 2, 55, 1909. oreth Rept. State Ent. Minn., 170, 1921. Length 5.9-6.4mm., width 2.9-3.1mm.; subovate, hemelytra only very slightly convex, dorsum distinctly hairy, legs thickly clothed with long erect hairs; dark sepia brown to blackish, the subtranslucent parts stained with brownish (fig. 63). Occurs on Pinus virginiana. Maryland. D. albigulus Knight. 18th Rept. State Ent. Minn., 171, 1921. Length 6.5-7.1mm., width 2.9-3.1mm.; closely related to nigritulus but differs slightly in coloration and in structure of the male genital claspers; dark fuscous to black, basal half of hem- elytra more or less pale between punctures, the paler areas not stained with brownish; front coxae, xyphus, lower margins of propleura, ostiolar area, gula, sides of tylus, juga, and arcuated streak just above on each side of front, pale (fig. 64). Occurs on Pinus sylvestris and P. resinosa. New York. 494 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. pin icola Fic. 60. Deraeocoris pinicola Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) internal arm of left clasper, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. laricicola Fic. 61. Deracocoris laricicola Knight,—male genital claspers, (a) left clasper, lateral aspect (b) internal arm of left clasper, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. 5 Cc hennicolti Fic. 62. Deraeocoris kennicotti Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) internal arm of left clasper, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. ——=-——— nigrilulus Fic. 63. Deraeocoris nigritulus Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) internal arm of left clasper, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 495 Key to Species and Varieties of Group D. EE ITeCME EWES GE oPEC Og Ue Fs cigidra ee diated v.05 Ale Bo od 'saanellersialievs ots be 2 Scutellum black, or only the median line pale apically ........... 2. Lateral margins of pronotum black, or only narrowly pale at ante- Mae RRL easy Sh eet aes Ra sala lg, ote Ba ieee ei 6) idedaw. abe 3 Lateral margins of pronotum broadly pale or reddish ........... 4 Bamnnant or mead. pale to reddish .. 63.5006. eee wea ele typical sayi Brantoor head distinctly blackish, ..22.00.0..24.... Sayi var. frontalis feeemanomum black like the COritim ........60.0008 Sayi var. marginatus Embolium pale and the cuneus more or less translucent .......... Sayi var. costalis 5. Femora black, distinctly annulated with pale near apices ......... Sayi var. unicolor Femora distinctly pale on basal half, broadly annulated with black PeeMeaienoieapicaly Wali l. .. chi.s. deals se Sas aes s sayi var. femoralis 3 G albigulus Fic. 64. Deraeocoris albigulus Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) internal arm of left clasper, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. Say! heut. Fic. 65. Deraeocoris sayi Reuter,—male, genital claspers, (a) left clasper, lateral aspect, (b) internal arm of left clasper, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. F vber Vise. Fic. 66. Deraeocoris ruber Linnaeus,—male genital claspers, (a) left clasper, lateral aspect, (b) internal arm of left clasper, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. 496 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. D. sayi (Reuter), typical. : As goa sayt Reuter, Ofv. Kongl. Sv. Vet.-Akad. Forh., xxxii, No. 9, 70, 1070. 18th Rept. State Ent. Minn., 175, 1021. Length 7.4-7.9 mm., width 3.4-3.8 mm.; distinctly hairy; black, scutellum and front of head pale to reddish (fig. 65). Occurs on oak (Quercus sps.). New York. D. sayi var. costalis Knight. 18th Rept. State Ent. Minn., 177, 1921. Similar to the typical sayi but differs as indicated in the key ; hemelytra with costal margin and cuneus largely pale, lateral margins of pronotal disk also pale. Massachusetts. Key to Species and Varieties of Group E. -I. Head except tylus, pronotum, scutellum, and hemelytra except apex of ciineys, reddish. 0% Glee. os typical ruber Hemelytra or pronotum, or both, more or less blackish ........... 2 2. Hemelytra reddish, pronotal disk black or largely blackish ....... ruber var. bicolor Hemelytra and pronotum more or less blackish ................. 3 3. Pronotal disk largely, scutellum, corium and embolium except apically \reddism So os ack he eee ce, Ae ee ruber var. danicus Pronotum, scutellum, hemelytra except narrowly at base of embo- lium and cortum, black’... 22.22.0029) ..00.0.. ed eer A 4. Cuneus reddish ionvthe basal haliieois; seule. soe ruber var. segusinus Guneus entirely, black. 22.5.4") cere. ee ee ruber var. concolor D. ruber Linnaeus, typical. Cimex ruber Linnaeus, Syst. Nat., Edn. 10, 446, 1758. 18th Rept. State Ent. Minn., 191, 1921. Length 7.2mm., width 3.4mm.; tylus strongly compressed, outline of head appearing nearly triangular when viewed from above; antennal segment 11 slender on basal half but thickened apically; head except tylus, pronotum, scutellum; and hemelytra except of cuneus, reddish; membrane infuscated (fig. 66). Predaceous on plant lice (Aphididae). New Haven, June (B. H. W.); Stamford, 24 June, 1919 (E. D. Brown). *D. ruber var. bicolor Knight. 18th Rept. State Ent. Minn., 193, 1921. Similar to the typical variety except that the pronotum is black; sometimes the lateral margins of the disk and the slender median line reddish. Hartford, 26 June (W. Marchand); New Haven, 30 June, 1 July GM PiZay, D. ruber var. danicus Fabricius. Lygaeus danicus Fabricius, Ent. Syst., iv, 181, 1794. 18th Rept. State Ent. Minn., 193, 1921. Head reddish, tylus and a mark extending from dorsal margin : } | | No. 34. | HEMIPTERA OF CONNECTICUT: MIRIDAE. 497 of eye to the collum, black; pronotum reddish, becoming black on the basal half but not covering the basal angles; scutellum and hemelytra reddish, clavus and rather broadly across apical end of corium blackish; cuneus red, the apical one-third black; legs and ventral surface similar to those of the typical form. New Haven, 12 July (M. P. Z.). D. ruber var. segusinus Miiller. Cimex segusinus Muller, Manip. Ins. Taur., 191, 1766. 18th Rept. State Ent. Minn., 193, 1921. Black, front of head, base of corium and embolium, and basal half of cuneus, reddish; ventral surface of body black, ostiolar peritreme pale; legs colored as in the typical variety or only slightly darker. New Haven, 21 July (M. P. Z.). Subfamily ORTHOTYLINAE. Key to Tribes. Moeeeee peauneiiate, head very broad ..:.........0.0%: (p. 501) Labopini Eyes not pedunculate, head not unusually broad ................. 2 2. Pronotum with pleural area separated from dorsal part by a distinct suture; pronotal disk raised posteriorly and projecting above the scutellum; clothed with dense erect, bristly pubescence ........ (p. 498) Semiini Pronotum not separated by a distinct lateral suture; base of pro-- PMA disk not projecting above scutellum .2.l2.....5 0008 co. 2. kk 3. Body robust, short oval or ovate, femora saltatorial; head strongly vertical, width of vertex greater than length of head when seen ET ELAD Sil ON) Sg ae Ie ae a a (p. 498) Halticini Body usually elongate; length of head usually greater than width of vertex, if not then the head not sharply vertical, or the thorax eee “Graiieeercie time SIMes ee L.A! Lh ue et Ba A 4. Antennal segment iii equally thick as segment ii, or nearly so .. 5 Antennal segment iii distinctly more slender than segment ii ...... 5. Thorax campanulate, apex of pronotum scarcely greater than width of vertex; slender species, hemelytra medially coarctate, abdomen slender at base; females usually brachypterous, abdomen very Prost narrowed at base ....)... 22.0.5... (p. 545) Systellonotini Thorax not distinctly campanulate, apex of pronotum wider than vertex; sometimes slender but in such case the hemelytra not medially coarctate, the abdomen broad at base; females fre- quently brachypterous but abdomen not at all narrowed at base | (p. 524) Ceratocapsini 6. Slender ant-like species, especially in the shape of the head; sides of pronotum more or less sulcate-sinuate, or greatly narrowed on the apical half; usually with silver markings composed of Gleraattiotis Seale MAINS: oo ok ose ws ritin woe 6 ayn (p. 537) Pilophorini Form not ant-like; sides of pronotum not sulcate-sinuate; devoid Greuvee markings like the above io). 0 0500 J. eee eek ees. Sf 7. Head strongly produced vertically; genae high, usually as great as the height of an eye, but if not then the front above the tylus is prominent when seen from above, the outline of front describ- ing a sinuate arc between the eyes, the width of vertex being | greater than length of head .................005: (p. 501) Lopidini 498 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Head not so strongly produced vertically; genae medium or low, not equal to the height of an eye; head usually as long or longer than ‘the width ‘or vertex. (2305 coe eee (p. 509) Orthotylini Tribe SEMIINI. Semium Reuter. S. hirtum Reuter. Ofv. Kongl. Sv. Vet.--Akad. Forh., xxxii, No. 9, 80, 1876. Length 2.8mm., width Imm.; legs and antennae red; head. apex of pronotum and sides of thorax rosy red; basal half of pronotum, clavus, bar across apex of corium, and tip of cuneus, velvety brown, remaining parts of corium and cuneus white; densely clothed with erect bristly pubescence. Occurs on Euphorbia adenoptera, living on the red underside of the leaves. New Jersey. Tribe HALTICINI. Key to Genera. 1. Head with well defined sharp basal margin; black forms ......... 2 Head without a well defined sharp basal margin; head and dorsum thickly clothed with closely appressed scale-like hairs and inter- spersed with more erect long pubescent hairs; small species, vari- ously colored but. never black ...2....0.0.2.6. (p. 498) Parthenicus 2. Antennae very long and slender, segment ii four or more times longer than segment i; brachypterous forms common; oval, SIGONSIY CONVEX: Kelas Griiwdad os bnbies eeeee oe (p. 499) Halticus Antennae shorter, segment ii little more than three times the length of segment i; usually larger and more oblong forms ........... 3. Antennae with short fine pubescence, head and body nearly elabrous,.Shitiis DIAC 5.0.4 skis BSc ve 2 Oe (p. 500) Strongylocoris Antennae and head with long coarse black hairs; length of hairs on antennal segment iii equal to three times the thickness of seg- WMICMEt. BAT iaek oan Soe kes (p. 500) Orthocephalus Parthenicus Reuter. P. yvaccini (Van Duzee). Pomona Jour. Ent, Zool., vii, 117, 1915. Female: Length (macropterous) 2.7mm., width 1.05 mm. ; head strongly produced like a Criocoris, ecarinate; pale, tinged brown on pronotum and scutellum; dorsum, legs, and antennae speckled with brown, the brown on hind femora darker and with spots joining in patches; thickly clothed with silvery scale-like hairs, becoming golden brown on corium and black on parts of embolium and cuneus, also with much longer pale pubescent hairs on head, margins of pronotum and hemelytra. Male: Length 3.5 mm., width I mm.; very similar to the female but more elongate. No. 34. ] HEMIPTERA OF CONNECTICUT: MIRIDAE. 499 Female: Length (brachypterous) 1.6mm., width .gmm.; oval, membrane scarcely extending beyond apex of cuneus and just attaining tip of abdomen; slightly paler but otherwise marked like the typical macropterous form. Occurs on Vaccinium. Massachusetts, Long Island, New York. P. juniperi (Heidemann). wear iN. ¥. Ent. Soc., -xit, 40, 1905. Male: Length 3mm., width Imm.; pale yellowish, cuneus, apical one-third of corium, and base of head, tinged with reddish, color sometimes separating into specks; femora sprinkled with reddish; scutellum and base of clavus darkened with fuscous; head shorter and more nearly vertical than in vaccim,; clothed with fine erect, golden pubescence, intermixed with more closely appressed scale-like golden hairs, the latter more silvery on scutel- lum and transversely across corium at tip of clavus, becoming black across apex of corium and forming a spot on inner edge of cuneus at middle and at base; membrane uniformly infuscated and iridescent. Female: Very similar to the male in form and color. Food plant: Red cedar (Juniperus virginiana). Massachusetts, New York. Halticus Hahn. H. apterus (Linnaeus). Cicada aptera Linnaeus, Syst. Nat., Edn. 10, 1, 438, 1758. Reuter, Hem. Gymn. Eur., iv, 18, 161, pl. 1, fig. 5, 1891. Length 2.7 mm., width 1.5 mm.; black, strongly shining, devoid of scale-like pubescence; usually brachypterous; antennae pale, segments iii and iv lightly infuscated; first two segments of tarsi, tibiae, and apices of femora, pale. Maine, Canada. H. citri Ashmead. Ent. Amer., iii, 155, 1887. Male: Length 1.9-2 mm., width .7 mm.; black, slightly shining ; antennae fuscous, middle of segment 11 and base of iu, pale; usually antennal segment 1 pale also, dark in the female; tarsi and tibiae except base of posterior pair, and apices of femora, pale; clothed with very fine pale pubescence, and with deciduous tomentose patches which give silvery and greenish reflections. Female: Length (brachypterous) 1.5 mm., width I mm.; length (macropterous) I.9mm.; usually brachypterous but frequently winged like the male. Food plants: White clover, beans, Plantago lanceolata; also recorded on many other plants. 500 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Kent, 31 Aug., 1904 (W. E. oe ); New Haven, 16 Oct., 1903 (H. Lay): Southport, 9 Sept., 1904 (W. E. B.). H. intermedius Uhler. Proc. U, S. Natl. Mus., xxvii,’ 360, 00 Length 3.5mm., width 2mm.; black, moderately shining; clothed with fine pale ee the dorsum with deciduous tomentose patches which give silvery or greenish reflections; antennae pale, apex of segment i1 and most of iii and iv, fuscous ; juga, tibiae, tarsi except apex, and apices of femora, pale. Food plant: Clematis virginiana. Branford, 28 July, 1905 (H. L. V.). Strongylocoris Blanchard. S. stygica (Say). Compl. Writ., i, 344, 1859. Length 4.2-4.5 mm., width 1.9-2.3 mm.; black, moriee iene shin- ing> iinely but densely punctured and somewhat rugulose ; antennal segment 11 pale on middle; apices of femora, tibiae, tarsi except the last segment, base of trochanters, pale yellowish ; hind tibiae usually nearly black. Food plant: Solidago spp. Greens’ Farms, 24 June, 1904 (W. E. B.); Killingworth, 27 June, 1920 (W. E. B.); New Haven, 26 June, 1905 (B. H. W.); West Haven 27 June; ‘ro05 (CHT. Vi)! | Orthocephalus Fieber. QO. mutabilis (Fallen). Capsus mutabilis Fallen, Monog. Cim. Suec., 98, 1807. Reuter, Hem. Gymn. Eur., iv, 48, 165, 166, pl. 4, figs. 2, 3, 180r. Male: Length 4.8 mm., width 1.7 mm.; black, clothed with long black hairs, especially on the antennae, head, sides of pronotum and hemelytra; in addition to black hairs the dorsum bears rather sparse, short pale tomentose pubescence; inner half of corium and slender margin of clavus bordering claval suture, pale. | Female (macropterous): Length 4.9 mm., width 2.2 mm.; more robust than the male, very similar in color but narrowly pale along claval suture. This form of the female is comparatively scarce. Female (brachypterous): Length 4.1 mm., width 2:3 mm.; broader and more ovate than the macropterous form; hemelytra not attaining apex of abdomen, membrane absent, uniformly black, claval suture scarcely developed. This is the common female form. Food plant: Chrysanthemum leucanthemum Linnaeus. Maine, New York. No. 34. |] HEMIPTERA OF CONNECTICUT: MIRIDAE, 501 Tribe LABOPINI. Labops Burmeister. L. hirtus Knight. Can. Ent., liv, 258, 1922. Length 5 mm., (brachypterous) 4.3 mm., width 2.4mm.; easily recognized by the pedunculate eyes, width of head great as width of pronotum at base; black, narrow margin of hemelytra, marks on head, and coxae, pale yellowish to ivory-white; bands about middle and at apices of femora, tibiae excluding apices and knees, _ yellowish; clothed with coarse, long, erect pubescence. Maine, Massachusetts, New York. Tribe LOPIDINI. Key to Genera. ieease of vertex without a ridge bearing bristles ....64...20.050.06.. 2 Vertex with a high transverse ridge at base, running from eye to eye and bearing bristles; pronotum and hemelytra with sparsely Rerenecet mack OFISHES .6 0. os. soe kd nies cee ls (p. 501) Hadronema 2. Genae very high, height greater than the depth of an eye; without an oblique suture dividing the genae beneath the eyes; tylus strongly protruding, its base well below the lowest margin of the CR Ee er ar Se Ne Wk “olay va iahes Walla lapene (p. 501) Ilnacora Genae medium or high; with an oblique suture leading from base of antenna to beneath the eye and thus dividing the gena; base of tylus above a line drawn through the lowest margin of the 2PPEE yo Winks oa Mibine ie, UA A EE PR oa ae A (p. 502) Lopidea Hadronema Uhler. H. militaris Uhler. Hayden’s Surv. Terr., Rept. for 1871, 412, 1872. Length 5-5.4mm., width 2mm.; black, outer margin of the hemelytra and cuneus, pale; basal margin, and sometimes basal half of pronotum, reddish; clothed with sparsely set, erect black bristles. Food plant: Baptista tinctoria. Long Island, N. Y. Ilnacora Reuter. I. malina (Uhler). Bull. U. S. Geol. Geog. Surv., iii, 419, 1877. Length 5.4mm., width 1.6mm.; head, body, and antennae mostly black; hemelytra and base of the pronotum bright green, apex of the pronotum, two stripes on scutellum, and legs, greenish yellow; a round black spot behind each callosity; membrane blackish. Food plant: Solidago rugosa, growing in shaded damp places. Pitchueld.) 24 jis. .cogo (2G); Wilton, 24 July, 1920 (MP. Z.). 502 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. I. stalii Reuter. Ofv. Kongl. Sv. Vet.-Akad. Forh., xxxii, No. 9, 86, 1876. Length 5.5mm., width 1.mm.; pale greenish white; dorsum bearing patches of black scale-like hairs, forming a prominent spot behind each callus, one at base of scutellum, and one at inner angle of cuneus. Occurs on Cocklebur and other weeds. New York. Lopidea Uhler. L. confluens (Say). aw ote confluenta Say, Heter. N. Harm., 23, 1832; Compl. Writ., i, 341, 18509. Ent. News, xxix, 211, 1918. Male: Length 6.3 mm., width 2.1mm.; yellowish orange and tinged with reddish, broadly each side of commissure, membrane, conflvéns Fic. 67. Lopidea confluens Fic. 68. Lopidea davisi Knight,— Say,—male genital claspers, (a) male genital claspers, (a) left clasper, left clasper, dorsal aspect, (b) dorsal aspect, (e) right clasper, inter- right clasper, internal lateral nal lateral aspect. Greatly enlarged. aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. Drawing by Dr. H. H. Knight. scutellum, and more or less on pronotal disk, darkened with fuscous; antennae, tylus, rostrum, base of head, and a stripe each side of front, black; legs blackish, trochanters and coxae except basally, yellowish; genital claspers (fig. 67), distinctive of the species. Female: Length 6.5 mm., width 2.4mm.; more robust than the male but very similar in coloration. Breeds on Polymnia uvedalia, and probably P. canadensis. Massachusetts, New Hampshire, New York. L. davisi Knight. Ent. News, xxviii, 458, 1917. Male: Length 5.5 mm., width 2mm.; yellowish orange to red- dish; antennae, legs, front of head, and rostrum, black; calli, base No. 34. | HEMIPTERA OF CONNECTICUT: MIRIDAE. 503 of pronotum, scutellum, clavus, inner half of corium, and mem- brane, fuscous; genital claspers (fig. 68), distinctive of the species. Female: Length 5.6mm., width 2.1 mm.; more robust than the male but very similar in coloration. When described the food plant of this species was unknown, but in the short interval since that time, the insect has appeared as a serious pest on the cultivated Phlox, in Arkansas, Minnesota, and West Virginia. It may very well be called the “phlox plant bug.” Long Island, N. Y. heidemanni é-<= Fic. 69. Lopidea heidemanm Fic. 70. Lopidea cuneata Van Knight,—male genital claspers, (a) Duzee,—male genital claspers, (a) left clasper, dorsal aspect, (b) left clasper, dorsal aspect, (b) right clasper, dorsal aspect. right clasper, dorsal aspect. Greatly Greatly enlarged. Drawing by enlarged. Drawing by Dr. H. H. Dr H. H. Knight. Knight. L. heidemanni Knight. Ent. News, xxviii, 456, 1917. tLopidea marginata Heidemann, Check List, Ins. Conn., 69, 1920. Male: Length 6.7 mm., width 2.14mm.; dark red, with more fuscous on pronotum and scutellum than media; larger and more elongate than media, the hemelytra always exhibiting a strong tendency to shrivel and wrinkle longitudinally; genital claspers distinctive (fig. 69), the right clasper showing a close relationship with cuneata and saltcis. Female: Length 6.2 mm., width 2.08 mm.; slightly more robust than the male, otherwise very similar; costal margins of hemelytra frequently pale as in media; in certain color phases, dull orange red with fuscous. Breeds on elm (Ulmus); nymphs have also been reared from _ Achillea millefolium. Durham, 15 June, 1919, New Haven, 29 May, 13 June, 1920 (M. P. Z.). 504 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. L. cuneata Van Duzee. Trans. Am, Ent. Soc., xxxvi, 79, 1910. Male: Length 6.1 mm., width 2mm.; dorsum dark fuscous on a background of orange-red, cuneus, embolium, and base of radial | vein, more strongly reddish; pronotum dark fuscous, lateral margins of disk pale to reddish; antennae, head and legs chiefly, black; mark along front margin of eye, juga, genae, trochanters, and coxae except basally, pale; propleura except surrounding coxal cleft, pale reddish; venter reddish and darkened with fuscous, genital segment blackish; genital claspers (fig. 70), distinctive of the species. Female: Length 6mm., width 2.1 mm.; similar to the male but the reddish coloration replaced chiefly by pale, frequently the inner margin and apical angles of corium becoming pale. Collected on Populus balsamifera by Van Duzee, while the writer has found it to breed on Populus deltoides in Minnesota. New York, Illinois, Minnesota. salicis Gane wa ce wn we nen ee — — qn wo ewe ee ¢ robiniae Fic. 71. Lopidea salicis Knight, Fic. 72. Lopidea robimae Uhler,— —male genital claspers, (a) left male genital claspers, (a) left clasper, clasper dorsal aspect, (b) right dorsal aspect, (c) right clasper, pos- clasper, dorsal aspect. Greatly terior aspect, (d) left clasper, poster- enlarged. Drawing by Dr. H. H. ior aspect. Greatly enlarged. Draw- Knight. ing by Dr. H. Ai. Binet L. salicis Knight. Ent. News, xxviii, 457, 1917. Male: Length 5.7 mm., width 1.94mm.; black, propleura and basal angles of pronotal disk orange colored; embolium and cuneus except inner apical margin, yellowish to orange; genital claspers (fig. 71), distinctive of the species. Female: Very similar to the male in size and coloration, some- times slightly more robust. Closely related to cuneata but differs in the genital claspers and in having more orange color on the pronotum and sides of hemelytra. Breeds on Salix nigra. New York. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 505 L. robiniae (Uhler). (Plate xvi, 14.) Capsus robiniae Uhler, Proc. Ent. Soc. Phila., i, 24, 1861. Ent. News, xxix, 211, pl. 13, fig. 2, 1918. Male: Length 6.8mm., width 2.1mm.; color orange-yellow, dorsum infuscated similarly to confluens; distinguished from the pale forms of confluens only by the genital claspers (fig. 72). Female: Length 6.5mm., width 2.14mm.; usually slightly more robust than the male but very similar in coloration. Breeds on Robinia pseudacacia. Branford, 29, July, 1905 (H. W. W.); New Haven, 11 July, ee mete Vy.), 3 Aus, 1005 -(H. L. V.); Stratford; 9 July, 1920 (B. H Westville, 27 July, 1905 (W. E. B.). = ’ media ) Caesar Fic. 73. Lopidea media Say,—male Fic. 74. Lopidea caesar Reuter, genital claspers, (a) left clasper, dor- —male genital claspers, (a) left sal aspect, (c) right clasper, posterior clasper, dorsal aspect, (b) right aspect. Greatly enlarged. Drawing clasper, internal lateral aspect, (d) by Dr. H. H. Knight. left clasper, posterior aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. L. media (Say). Capsus media Say, Heter. N. Harm., 22, 1832; Compl. Writ., i, 341, 1859. Ent. News, xxix, 210, pl. 13, fig. 1, 1918. Male: Length 5.6mm., width 1.7mm.; orange-red to bright red, scutellum and rather broadly either side of commissure, darkened more or less with fuscous, the reddish always showing through the infuscation; legs fusco-brownish to blackish, femora exhibiting one or two rows of darker spots both above and below; genital claspers (fig. 73), very distinctive of the species. Female: Length 5.7mm., width 1.8mm.; usually colored very similarly to the male but sometimes with the embolium and outer edge of cuneus pale or white as in heidemanns. Breeds on Solidago rugosa, and probably other plants. New Haven, 9 June, 19005 (B. H. W.); Portland, 14 July, 1014 (M. P. ah Rainbow, 30 June, 1914 (B. H. W.); South Meriden, 6 July, ona (Hr. 1. J.) ; Woodbury, 14 July, 1013 (W. E. B.). L. caesar (Reuter). Lomatopleura caesar Reuter, Ofv. Kongl. Sv. Vet.-Akad. Forh., xxxii, No. 9, 67, 1876. 506 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Ent. News, xxix, 212, pl. 13, fig. 4, 1918. Male: Length 7mm., width 2.2mm.; color deep carmine red, darkened with fuscous on scutellum and more or less broadly each side of commissure; front of head, base of vertex, antennae, and ~ membrane dark fuscous to black; legs and venter dark fuscous through which a tinge of red is apparent; genital claspers (fig. 74), distinctive of the species. Antennae: Segment i, length 80 mm., width .10mm.; ii, 2.8mm., thickness .o9 mm., tapering on apical half to more slender at apex, black and rather thickly clothed with recumbent coarse hairs as in segment i; iii, 1.66 mm., slender, finely pubescent; iv, .64 mm., more slender than iii. Female: Length 7.9 mm., width 2.66mm.; color and structure of antennae similar to that of the male. Guilford, 13 July, 1920 (B. H. W.); Portland, 14 July, 1014 (MP): ro Ane'ror12 (BB) He W.): Fic. 75. Lopidea reutert Knight,—male genital claspers, (a) left clasper, dorsal aspect, (b) right clasper, dorsal aspect, (f) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. L. reuteri Knight. Ent. News, xxviii, 450, fig. 5, 1917. Male: Length 7.1 mm., width 2.54 mm.; color a vivid carmine red, fuscous on calli, scutellum, and bordering the commissure; very similar to caesar but not so broadly fuscous on corium and cuneus; genital claspers (fig. 75) distinctive of the species. Antennae: Segment i, length .65mm., thickness .17mm.; Ui, 2.42mm., greatest thickness .14mm., tapering from middle to more slender at apex; iii, 1.6 mm., linear and slender; iv, .60 mm.; black, first two segments clothed with prominent coarse hairs; almost identical in structure to caesar. Female: Length 6.9 mm., width 2.5mm.; structurally and in color very similar to the male; very similar to the female of caesar which species rarely has the calli darkened and usually has less fuscous shading on the scutellum. Breeds on witchhazel (Hamamelis virgemana). Massachusetts, New York, Pennsylvania. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 507 L. staphyleae Knight. Ent. News, xxviii, 460, fig. 4, 1917. Male: Length 6.5 mm., width 2.05 mm.; orange-yellow, fuscous on calli, narrowly at base of pronotum, scutellum, apical two-thirds of clavus, inner half of corium, and membrane; antennae, tylus, two bars on front, base of head, rostrum, and legs, black; the fuscous shading on the dorsum much paler than in robimiae; genital claspers (fig. 76), distinctive of the species. Antennae: Segment i, length .71 mm., thickness .15 mm.; ii, 2.48 mm., thick- ness .10 mm., tapering slightly smaller on apical half ; i11, 1.82 mm., slender and almost linear; iv, .52 mm. Female: Length 6.8mm., width 2.2mm.; similar to the male in structure and coloration, but usually slightly larger. Sometimes very similar in size and coloration to the female of confluens; but the length of antennal segment i in confluens is shorter than the width of vertex, while in staphyleae its length is as great as, or slightly longer than, the width of vertex. Food plant: American bladder nut (Staphylea trifolia). New York. slaphyleaé : inslabilis Fic. 76. Lopidea staphyleae Fic. 77. Lopidea instabilis Reuter ,— Knight,—male genital claspers, male genital claspers, (a) left clasper, (b) right clasper, dorsal aspect, dorsal aspect, (b) right clasper, dor- (d) left clasper, posterior sal aspect, (f) right clasper, lateral aspect. Greatly enlarged. aspect. Greatly enlarged. Drawing Drawing by Dr. H. H. Knight. by Dr. HB. H. Knight, *L. staphyleae var. sanguinea Knight. Ent. News, xxviii, 461, 1917. Male: Size, structure of the antennae and male genital clasper not differing appreciably from the typical staphyleae, but the yellow coloration replaced by bright red. Female: Similar to the male in structure and coloration; very much resembling the females of reuteri and caesar, but the more slender form of the antennae will serve to distinguish this variety. In Minnesota the writer has taken a large series of this variety 508 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. on Staphylea trifolia but not a single specimen of the typical species. Mount Carmel, 24 July, 1904 (W. E. B.). L. instabilis (Reuter). ) Acta Soe Set. Penn. xxxvi, No. 2) 72, 100s: Male: Length 5.4mm., width 2.02 mm.; bright red, apical half of clavus and inner half of corium darkened with fuscous; mem- brane uniformly blackish; tibiae blackish, becoming reddish at base; genital claspers distinctive (fig. 77). Antennae: segment i, length .58 mm., thickness'.o8 mm.; ii, 1.8 mm., greatest thickness (.07 mm.) at middle and tapering to smaller at each end; ii, 1.19 mm., slender; iv, .52mm.; black, first two segments clothed with moderately short black hairs. Female: Length 6mm., width 2.4mm.; similar to the male in coloration and in structure of the antennae. District of Columbia, Maryland. marginals \ Fic. 78. Lopidea marginalis Reuter,—male genital claspers, (a) left clasper, dorsal aspect, (b) right clasper, dorsal aspect, (f£) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. L. marginalis (Reuter). Acia’ Soc. Sci, Renn, xxxvi) No. 2; 72, 1000; Male: Length 6mm., width 2.2 mm.; very similar in form and coloration to imstabilis but usually with the embolium pale and the scutellum darkened with fuscous; genital claspers distinctive ol the species (fig. 78). In some specimens the embolium may be bright red as in instabilis, but usually the scutellum, calli, and base of head are distinctly blackish. Female: Length 6.6mm., width 2.5mm.; very similar to the male in structure and in coloration. This form was originally described as a variety of instabilis but proves on examination of the genital claspers to be a distinct species. New Haven, 7 Aug., 1905 (W. F. B.). No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 509 Tribe ORTHOTYLINI. Key to Genera. Pronotal disk transversely sulcate behind the calli and extending over the sides; calli distinctly arched, separated by a depression 2 Caer disk without transverse sulcus; calli not so distinctly Se EIN ee Airey he oie te iain 4 aay aa gine Siscat a Ws q- gnu dae Daria bination Peg Length of antennal segment i never exceeding width of vertex plus i an eye; female with antennal segment ii distinctly thickened apically, usually brachypterous; black species with paler mark-- LEO RR ARR Ga SARA Ra ee te ama a (p. 510) Globiceps Length of antennal segment 1 nearly equaling width of head, thicker on “basal half and tapering apically; antennal segment ii linear in INES) (SEEEN SPECIES). 4)... cini> < cra a bm ayers nls oe > [ Biepharidopterus ] Pronotal disk immarginate although sometimes forming a rather sharp angle; antennal segment ii linear; vertex scarcely margined and never fitting closely against front margin of pronotum ..... 4 Pronotal disk margined at sides; antennal segment ii incrassate, fusiform, segment iii thickened but more slender than ii; vertex strongly margined, fitting closely against anterior margin of pro- notum; clothed with closely appressed, scale-like pubescence, and intermixed with erect fine hairs .......... (p. 524) Heterocordylus Antennal segment i with black line on each side, and connected beneath near apex; eyes elongate as seen from above, their inner margins parallel; color white or greenish, clothed with rather Mamma mires PIMESCENCE \ 6. WS Le ls als ness bees eens (p. 523) Reuteria Antennal segment i never marked with longitudinal black lines; eyes not so elongate when seen from above, their inner margins a INR eM en ice Lk. 5. a chs, 40 calla paalet cies wd dels Wy Mea evelep are 5 Head inclined, when viewed from the side not or scarcely projecting REMnnse lot Mead: Sexes Similan sb. ea ye dave eae ee ba kt 6 Head vertical, strongly compressed apically, when seen from the side, projecting below base of head for a distance equal to one- half its height at base; pronotum sinuate at base and slightly so at the sides; male and female very dissimilar; female short winged, the abdomen very broad, macropterous forms rare .... (p. 510) Mecomma Head not distinctly compressed apically, vertex margined although sometimes ecarinate; width of pronotum distinctly greater than width of head; vertex when black, never with a pale spot at ee PUR Mg rr Fee IM eee waaay) aie asthe w, « he wie im Meee AA sede AES y | Head strongly compressed apically, vertex immarginate, declivitous behind; basal width of pronotum very little greater than width of head; usually a small pale spot each side of vertex .......... (p. 511) Cyrtorhinus Eyes set close to pronotal angles and nearly forming a straight line UIE INSEE METERS (oes Pe oon sencldieae Klee 0% vals 216 3G Ga elate & sipumecheleun eiets Eyes rounded behind, thus bringing the center of eyes near middle of head and away from pronotal angles. Small, delicate, trans- Micennopdic. Steen species, (i Yad Peas ieee lls (p. 522) Diaphnidia Xyphus moderately sulcate, sides V-shaped; rostrum extending beyond hind margin of mesosternum ; pubescence frequently of two types, but in such case the rostrum extends beyond meso- sternum; vertex carinate but sometimes rather obtusely so, never beset with oTisrySi 6) 012 Ig. ere a (p. 511) Orthotylus Xyphus deeply excavated, sides U-shaped and elevated into a high carina; rostrum scarcely attaining hind margin of mesosternum ; pubescence composed of two kinds of hairs, a closely appressed 510 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. scale-like type and interspersed with more erect pubescent hairs; vertex ecarinate but basal margin beset with bristly hairs, an alutaceous glabrous spot each side bordering eye; general aspect very similar to certain species of Phytocoris .......cceeee.0-. (p. 523) Noctuocoris n. gen. Globiceps Le Peletier and Serville. G. dispar (Boheman). Cyllecoris dispar Boheman, Ofv. Kongl. Vet.-Akad., ix, 72, 1852. Reuter, Hem. Gymn. Eur., iit, 307, pl. 3, fig. 1, 1684: Saunders, Hem. Het. Brat Isds., 281, 1802. Male: Length 4.3 mm., width 1.14 mm. ; ‘black, vertex with pale spot at each side; hemelytra fuscous but translucent, base of corium, somewhat invading clavus, and cuneus except dusky apex, pale translucent; membrane pale fuscous, veins slightly darker ; legs and basal half of antennal segment i, yellowish, tarsi and hind tibiae dusky; calli distinctly convex or gibbus, margins of pronotal disk sharply flaring at basal angles. Female (macropterous): Length 4.3mm., width 1.17mm., hemelytra extending well beyond apex of abdomen as in the male; head nearly globose, eyes scarcely raised from general outline of front and vertex; colored similarly to male)” ead aoe .6g mm., vertex .42mm. Antennae: Segment 1, length .39 mm., yellowish, scarcely darker apically; 11, 1.57mm., apical half a a! clavate (.14 mm. thick), black, basal half brownish black ; , 91 mm., yellowish, dusky apically; iv, .43 mm., fuscous. idan (brachypterous) : Length 3.2 mm., width of abdomen I1.5mm.; very similar to the macropterous form except hemelytra and abdomen; hemelytra attaining base of third abdominal seg- ment, fuscous, large spot near base and apex pale, tips turned slightly upward ; abdomen subglobose, black, shining, pleural fold prominent; antennal segment 11 pale on basal half, clavate portion black. Reported from England as occurring at the bases of grasses in moist situations. New Hampshire, Canada. Mecomma Fieber. M. gilvipes (Stal). Leptomerocoris gilvipes Stal, Stet. Ent. Zeit., xix, 187, 1858. Reuter, Hem. Gymn. Eur., iii, 386, pl. 2, fig. 6, 1883. Male: Length 4.5 mm., width 1.4mm.; black; hemelytra much longer than body, pale, fuscous on clavus and ‘slightly darkened elsewhere; legs pale yellowish. Female: Length 2.7mm., width of abdomen 1.5 mm.; black, brachypterous ; segment i of antennae and base of 111 pale, segment ii slightly thicker toward apex, clothed with long pubescence; legs large in proportion to the body, pale yellowish; pronotum nearly No. 34. ] HEMIPTERA OF CONNECTICUT: MIRIDAE. mie quadrate, anterior angles rounded; calli large, rounded, rather indistinct, two punctures set close together just between; hem- elytra short and rounded, extending only to middle of abdomen, yellowish translucent, hind wings appear as mere pads beneath. Maine, New Hampshire, New York. Cyrtorhinus Fieber. C. caricis Fallen var. vagus Knight, new variety. Smaller and darker colored than caricis Fallen; hemelytra fuscous, translucent, slightly paler along embolium but not distinctly greenish. Male: Length 2.8 mm., width 1.2mm. Head: Width .60mm., vertex .32mm.; black, shining, pale spots on vertex scarcely apparent. Rostrum, length .78mm., scarcely attaining hind margins of middle coxae, pale, blackish at apex. Antennae: Segment i, length .27mm., black, apex pale; 1, .2mm., black. Pronotum: Length .34mm., width at base Imm. Hemelytra: uniformly fuscous, slightly paler along embolium; cuneus and membrane uniformly pale fuscous. Legs: Pale, coxae, hind femora except base and more narrowly at apex, fuscous. This is the form which the writer has previously recorded as caricits Fallen, but on comparison with limited material from Europe, it cannot be said that the forms are identical. Therefore, it seems best to give this American form a varietal name in order to avoid confusion in identity. A specimen is at hand from Colo- rado which in size, color, and other characteristics, agrees with a single specimen of caricis Fallen (Reuter determination) from Finland, and therefore the record for that species must still hold good for North America. Holotype: Male, 10 Sept., 1917, Rockaway Beach, Long Island, N. Y. (W. A. Hoffman) ; author’s collection. Paratypes: Males and females (8), taken with type. NEw Jersey—Female, 30 Sept., Lakehurst (Wm. T. Davis). New York—Females (3), Aug., Sept., Sea Cliff (Nathan Banks). Vircinra—Male, 13 Aug., 1915, Oceanview (V. A. Roberts). Orthotylus Fieber. Key to Species. I. Pubescence composed of two types of hairs; dorsum with closely appressed scale-like hairs and intermixed with more erect pubes-- CORTE ETRE Ud ST AMO! ES A cee RR ee ek eee ey ce ne 2 Pubescence composed of a single type of hair; dorsum with erect Sa Na BAMA CGP IGEN Petite! asc elec 5 6 se lciela idle Aishiates Matis cer hLle< 3 2. Veins and areoles green, antennae green ........ (p. 513) flavosparsus Veins and areoles infuscated, antennae infuscated apically ........ (p. 514) concolor 3. Ground color green, dark markings if present not clouding the BETTS ie one BE i 0 i er Ne a ee Ground color pale testaceous to black, sometimes greenish but in that case the hemelytra marked with fuscous and black areas .. 7 512 Io. II. 12. 13. 14. 15 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Small, length 3.8mm.; membrane pale, veins about areoles green; antennal ségments i and ii yellowish ............ (p. 514) chlorionis Larger, length 4.5mm. or more; membrane more or less infus- cated, veins sometimes green but in such case antennal segment i distinctly blackish Tylus with small fuscous spot at base; antennal segment i yellow- ish to green, sometimes infuscated but when dark the membrane distinctly fuscous, or the calli practically flat and devoid of basal AMIPTESSION |). )5\i6sie a e'ere ned ee Se Sh oe ek eles eile ales lle 6 Tylus without small fuscous spot at base; antennal segment i fuscous to black; membrane pale, veins about areoles green; calli moderately convex, an impressed line along basal margin; pubescence pale but rather coarse and prominent {/y2s5.2 eee (p. 515) basicornis n. sp. Membrane pale, sometimes fumate basally, clavus never infuscated (p. 519) viridis Membrane uniformly fuscous; corium uniformly green, clavus sometimes with a dusky cloud ...modestus var. immaculatus n. var. Form small, ovate; color a uniform whitish-testaceous, hemelytra translucent, head and callosites tinged with yellowish (p. 513) catulus Form more elongate; hemelytra with fuscous areas, or at times nearly ‘black’ 2.2) 2020.6 oy ee oa on be Eee Color pale testaceous, hemelytra translucent and with fuscous markings very faint or nearly lacking in female; median line of head and scutellum, lateral margins of pronotum, and sides of body, black; antennae blackish, membrane slightly infuscated, VCS: MOLOWEL aioe ca oe Gata oe Ol ay ine or eee (p. 517) candidatus Ground color sometimes pale greenish or yellowish but dark mark- ings of hemelytra distinct; other markings not as the above, sometimes the whole insect may become nearly black ........... 9 Dorsum brownish black, slenderly pale only at base of corium and embolium, slightly translucent at base of cuneus; median line of pronotal disk and sometimes continued upon scutellum, pale; IRsvon cs Hey Owe 010028 AR EEN Wan ae CRE CaP nER IEAM PRE ars fed (p. 517) necopinus Hemelytra with more than slender base of corium and embolium pale; length usually less than 6mm. (remainder of key for females only, see figures of genital claspers for males) ......... 10 Female pronotum with lateral margins black, disk broadly pale or fulvous, sometimes with only median line pale .................. EE Female pronotum with lateral margins pale or greenish, disk usually blackish and frequently with median line pale ........:......... 15 Pronotal disk with fulvous, sometimes the hemelytra also fulvous 12 Pronotal disk with pale or greenish ......... .!1- eee eee 13 Hemelytra black, a broad pale stripe extending full length of corium and connecting with pale cuneus; legs fulvous, apical half of: hind, temora, blacktshy oii:6- a. bee oe ee (p. 516) knighti Hemelytra chiefly fulvous or salmon colored; blackish each side of commissure and’ on embolmum 7.20.24. (p. 518) submarginatus Pronotal disk broadly pale, scutellum black; basal half of corium and embolium, and slenderly bordering base of cuneus, pale; transversely blackish across apical half of hemelytra but leaving costal margin slenderly pale; membrane and apical half of cuneus. unidornily ddiris tUSeoUs kK Ana oey Merete watainte sheers pone (p. 516) cruciatus Pronotal disk and hemelytra not so broadly pale ................. 14 Embolium and outer margin of corium pale greenish, translucent; median line of ‘scutellum pale iyi. nn) = nal o> lee (p. 522) serus Corium blackish at outer margin except at base; scutellum black (p. 521) alni n. sp. Hind femora blackish except basally, scutellum broadly pale; clavus, apical half of corium, calli, and usually pronotal disk No. 34. |] HEMIPTERA OF CONNECTICUT: MIRIDAE. 51S except median line and side margins, blackish; usually the paler parts of the dorsum tinged with reddish ........... (p. 519) ornatus Femora greenish, sometimes the scutellum broadly pale but in such er te NC MOnd ME VEL GHEK <5 cic cas Ged tbat d's sede siiucea la bees 16 16. Pronotal disk with blackish rays each side of median line and thus Senrentm tect wath) basal marrin sik OR ee ees | Pronotal disk transversely pale behind calli, both the calli and basal margin of disk blackish but never joined to form rays each side of median line, dark color sometimes obsolete ....(p. 519) modestus 17. Smaller, length 5.2mm.; veins paler than infuscation of mem- brane; corium with inner apical half infuscated but the pale color of basal half extending along claval suture and thus tending to separate dark color of corium from that of clavus (p. 520) dorsalis Larger, length 5.8mm.; veins uniformly infuscated as the mem- brane; corium with inner apical half blackish, pale color of basal half not penetrating along claval suture to separate black of eonmuairom that.of clavus ...60. 506. 64).4). (p. 515) neglectus n. sp. eotulus Aeneas Fic. 79. Orthotylus catulus Van Fic. 80. Orthotylus flavosparsus Duzee,—male genital claspers, (a) Sahlberg,—male genital claspers, left clasper, lateral aspect, (c) right (a) left clasper, lateral aspeci, (c) clasper, lateral aspect. Greatly rightclasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. enlarged. Drawing by Dr. H. H. Knight. Knight. O. catulus Van Duzee. Proc. Gal Acad: Sci.,’ser. 4, vi, 106, 1916. Male: Length 4.2 mm., width 1.64 mm.; in form suggestive of Megalocoleus but the arolia similar to species of Orthotylus; uni- formly whitish-testaceous or testaceo-grayish, head and calli tinged with yellowish; hemelytra sometimes slightly infuscated, mem- brane pale fumate; dorsum clothed with erect, moderately sparse dusky pubescence; genital claspers distinctive of the species (fig. 79). Female: Length 4.1 mm., width 1.66mm.; very similar to the male but in form more robust. Breeds on Gnaphalium uliginosum. Branford, 20 thee 1905 (H. W. W.); Mount Carmel (Hamden), 25 May, 1906 GBiis . W.). QO. flavosparsus (Sahlberg). Phytocoris flavosparsus Sahlberg, Acta Soc. Sci. Fenn., i, 411, 1842. Proc, Cal) Acad’ Scii, ser, 4, vi, 97, 1916. Male: Length 4.2mm., width 1.4mm.; oblong-ovate; clear green, becoming yellowish on callosities, head and lower surface; membrane slightly infumed, the areoles and veins green. 17 514 CONNECTICUT GEOL, AND NAT. HIST. SURVEY. [ Bull. Female: Similar to the male but slightly more robust. Food plant: Chenopodium album. New Canaan, 29 Sept., 1909 (W. E. B.); New Haven, 26 July, 1005 (H. L. V.), 14 June, 1920 (W. E. B.); South Meriden, .16 July, tors (H. L. J.); Stratford, 9 July, 1920 (B. H. W.); Stratford, 21 July, 1608 CW BS). O. concolor (Kirschbaum). i‘ Capsus concolor Kirschbaum, Jhrb. Ver. Nat. Herz. Nassau, x, 240, 315, 1855. Reuter, Hem. Gymn. Eur., iti, 366, 553, 1883. Male: Length 4.6mm., width 1.5mm.; deep green, head and femora tinged with yellowish, membrane uniformly infuscated ; antennal segment 11 strongly yellowish, infuscated apically, seg- ments ili and iv blackish; clothed with erect black hairs, longest on head and anteriorly on pronotum, but pronotum, scutellum, and basally on hemelytra also clothed with closely appressed, silvery scale-like hairs. Female: Length 4.2mm., width 1.6mm.; very similar to the male but more robust. Massachusetts. Ces xf IDS < fi concolor a oN a sci G . chlorionis Fic. 81. Orthotylus concolor Fic. 82. Orthotylus chlorionis Kirschbaum,—male genital claspers, Say,—male genital claspers, (a) (a) left clasper, lateral aspect, (b) left clasper, lateral aspect, (c) left. clasper), dorsal’ )aspect; (c) right clasper, ‘lateral jasmect. qient | clasper, | lateral’ aspect. Greatly enlarged. Drawing by Dr. Greatly enlarged. Drawing by H. H. Knight. Dr Bo By Kirche O. chlorionis (Say). : : Capsus chlorionis Say, Heter, N. Harm., 25, 1832; Compl. Writ., i, 346, 1850. Proc. Cal. Acad. Sci., ser. 4, vi, 98, 1916. Male: Length 3.8mm., width .61mm.; clear green, clothed with minute fuscous hairs, apparently destitute of pale scale-like hairs; membrane pale, veins only green; abdomen reaching to near apex of cuneus. Female: Similar to the male but slightly more robust. Occurs on honey locust (Gleditsia tricanthos). New Haven, 22 June, 1905 (H. L. V.); Noroton, 21 June, 1913 (A. H. Renshaw). No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 515 Orthotylus basicornis Knight, new species. Male: Length 5.6mm., width 1.66mm.; very similar to viridis but distinguished by the genital claspers (fig. 83), black antennal segment i, green veins about areoles, and by the more prominent, rather coarse pale pubescence. Female: Length 5.7 mm., width 1.77 mm.; uniformly green like the male but slightly more robust; antennal segment 1 slightly paler but still distinctly blackish. Breeds on Salix longifolia. Holotype: Male, 10 Aug., 1916, Batavia, N. Y. (H. H. Knight) ; author’s collection. Allotype: taken with the type. Paratypes: Female, topotypic. ILL1NoIs—Female, 30 June, 1906, male, 15 July (at light), Chicago; female, 24 July, 1908 (W. J. Gerhard). Males (4) and female, 2 July, 1917, Free- port (J. R. Malloch). Micuican—Male, 21 June, 1919, Berrien County (R. F. Hussey). Minnesota—Males (14) and females (7), 12 July, 19109, Hennepin County (H. H. Knight), on Salix longifolia. Males (2) and females (2), 6 July, male, 10 July, University Farm, St. Paul (H. H. Knight), collected at light. Males and females (72), 18 July, 1922, Ramsey County; males and females (98), 1 July, 1922, Winona County (H. H. Knight). Qursec—Female, 19 July, 1914, Hull (J. L. Beaulne). Male and females (2), 28 July, 1915, Roberval (G. Beaulieu). Ye Ss 7 se negleclus / | \ \ basicorn iS Fic. 84. Orthotylus neglectus Fic. 83. Orthotylus basicornis Knight,—male genital claspers, (a) Knight,—male genital claspers, (a) left clasper, lateral aspect, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. left clasper, lateral aspect, (c) right . clasper, - lateral ‘aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. *O. neglectus Knight, new species. Male: Length 5.4mm., width 1.75mm.; color pattern very similar to dorsalis but the genital claspers (fig. 84) indicate that it is more closely related to basicornis and knighti; black, rostrum except apex, slender lateral margin of pronotal disk, cuneus, embolium, and outer margin of corium, greenish; legs greenish, darkened at base of coxae and tips of tarsi; membrane and veins uniformly blackish. Rarely, pale forms may occur having median line of pronotum and scutellum pale. 516 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Female: Length 5.8mm., width 1.9 mm.; more robust than the male, usually more broadly pale; pronotal disk with blackish stripe each side of median line, extending from basal margin up to and including the calli; scutellum with median line pale; clavus black, corium with inner apical half blackish, pale color of basal half not penetrating along claval suture to separate black of corium from that of clavus. Breeds on Salix nigra. Holotype: Male, 3 July, 1920, McLean Bogs, Tompkins County, N. Y. (H. H. Knight); author’s collection. Allotype: same data as type. Paratypes: CoNNeEcTICUT—Females (2), 5 June, 1921, Cornwall (B. H. Walden). New Yorx—Males (14) and females (8), 27 June, 1916, Honeoye Falls (H. H. Knight). Male, 1 July, 1917, Cranberry Lake (C. J. Drake). Nova Scotra—Females (2), 13 July, 1913, Truro (R. Matheson); these “unos i more broadly pale, the scutellum and pronotal disk with median ine pale. Q j ae e ae crucialus Fic. 85. Orthotylus knightt Van Fic. 86. Orthotylus cruciatus Duzee,—male genital claspers, (a) Van Duzee,—male genital left clasper, lateral aspect, (c) right claspers, (a) left clasper, lat- clasper, lateral aspect. Greatly en- eral aspect, (c) right clasper, larged. — Drawing by © Dr, -H:.. H. lateral aspect. Greatly enlarged. Knight, Drawing by Dr. H. H. Knight. O. knighti Van Duzee. Proc. ‘Cat. Acad. Sci., ser. 4, vi; 121, 1016. Male: Length 5.4 mm., width 1.58 mm.; black, spot on pronotal disk, legs except apical half of hind femora, fulvous; a broad pale stripe extending full length of corium and connecting with pale cuneus, in darker specimens somewhat obscured ; genital claspers distinctive of the species (fig. 85). Female: Length 5.4mm., width 1.66mm.; very similar to the male but more robust; pronotum more broadly fulvous. Food plant: Populus candicans. New York. O. cruciatus Van Duzee. Proc. Cal. Acad. Sci., ser. 4, vi, 119, 1916. Male: Length 5.7mm., width 1.7mm.; pronotal disk broadly No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. fy pale, scutellum black; basal half of corium and embolium, and slenderly bordering base of cuneus, pale; transversely blackish across apical half of hemelytra but leaving costal margin slenderly pale ; membrane and apical half of cuneus uniformly dark fuscous ; genital claspers (fig. 86) distinctive of the species. Female: Length 5.6mm., width 1.72mm.; differing very slightly from the male, sometimes more broadly pale. Farmington, 19 June, 1919 (M. P. Z.); Hamden, 18 July, 1920 os Et, cy ; Hartford, 25 June, 1914 (W. M.) ; New Haven, 23 June, 1911 PEC). O. necopinus Van Duzee. Proe. Gal. Acad. Sci., ser. 4, vi, 125, 1016. Male: Length 6.6 mm., width 2.11 mm.; brownish black, juga, vertex and extending along front of eyes, median line of pronotal disk and frequently extending upon scutellum, base of embolium and slenderly at base of radius, bordering cuneal fracture, pale to pale translucent; basal half of venter beneath and coxae, pale; femora and tibiae testaceous to fuscous; genital claspers (fig. 87) distinctive of the species. Female: Length 6.8mm., width 2.2mm.; very similar to the male but frequently more broadly pale. Breeds on Betula lutea but only in cool, damp, shaded situations. New Hampshire, New York. candidatus 2 ag . Mec opin US Fic. 87. Orthotylus necopinus Fic. 88. Orthotylus candidatus Van Duzee,—male genital claspers, (a) left clasper, lateral aspect, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. O. candidatus Van Duzee. Van Duzee,—male genital claspers, (a) left clasper, lateral aspect, (c) right. clisper,, “lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. roc..Gal. Acad. Sci., ser. 4,: vi, 124, 1916. Female: Length 4.5mm., width 1.53 mm.; testaceous, some- times tinged with fulvous; sides of body, median line of head and scutellum, black; antennal segments ili and iv, and apex of u, brownish black; membrane pale, fumate bordering veins. Male: Length 4.3 mm., width 1.3mm.; more slender than the female but very similar in coloration, although the pronotum and 518 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. scutellum somewhat more broadly black; head and antennae black, vertex with pale spot each side bordering the eye. Genital claspers (fig. 88) very distinctive, in fact indicating that this species should not be placed in this section of the genus Orthotylus. Food plant: American aspen (Populus tremuloides). Originally described from a single female specimen collected on Mt. Washington, N. H., by Mrs. A. T. Slosson. In Minnesota, the writer has collected nymphs and adults on aspen (Populus tremuloides) but only on certain trees found along the shore of Lake Superior, just north of Two Harbors. Other trees of the same species, standing only a few feet back from the edge of the high bank which forms the shore line, did not produce specimens of candidatus. Mt. Washington, N. H., Minnesota. G submargi => Fic. 89. Orthotylus submargi- Fic. 90. Orthotylus ornatus natus Say,—male genital claspers, (a) left clasper, lateral aspect, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. Van Duzee,—male genital claspers, (a) left clasper, lateral aspect, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. BY Kaiehet O. submarginatus (Say). Capsus submarginatus Say, Heter. N. Harm., 23, 1832: Compl. Writ., i, 344, 1859. Proc. Cal. Acad. Sci., ser. 4, vi, 123, 1916. Male: Length 4.6mm., width 1.33 mm.; dorsum pale salmon yellow, antennae, front of head, lateral margins of pronotal disk, scutellum, rather broadly each side of commissure, embolium and invading corium apically, apex of cuneus, and membrane, blackish or black; rostrum except apex, and legs chiefly, pale; hind femora dusky, the tibiae more nearly black. _ Female: Length 4.8mm., width 1.44mm.; very similar to the male but more broadly salmon yellow above; venter white beneath, the dorso-lateral margin black; ostiolar peritreme fuscous, epimera and sternum beneath blackish. Breeds on Robinia pseudacacia. Stratford, 9 July, 1920 (B. H. W.). No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 519 O. ornatus Van Duzee. frac. Cal. Acad. Sci., ser. 4, vi, 122, 1916. Male: Length 5.6 mm., width 1.78 mm.; chiefly black or brown- ish black, tip of scutellum, basal angles of corium, pale to pale translucent; membrane fuscous, veins and spot on middle of apical half, slightly paler; legs pale to dusky, femora brownish black, the hind pair darker; genital claspers (fig. 90) distinctive of the species. Female: Length 6mm., width 2.05 mm.; chiefly pale, tinged with reddish and varied with fuscous; base of tylus and spot just above, sometimes an arc on front, basal margin of calli, pronotal disk except median line and lateral margins, basal angles of scutel- lum, apical half of corium, and clavus somewhat, fuscous to black- ish; antennae pale fusco-brownish, segment 1 darker; hind femora brownish black. Sometimes this sex may be more broadly blackish and the paler parts not at all tinged with reddish. Breeds on Salix fragilis. Cornwall, 5 June, 1921 (B. H. W.); Guilford, 13 July, 1920 (B. H. W.). O. viridis Van Duzee. Proc. Cal. Acad. Sci., ser. 4, vi; 103, 1916. Male: Length 4.6mm., width 1.47 mm.; pale green, with head, pronotum anteriorly, embolium, and femora, yellowish, base of tylus with small fuscous spot; antennae yellowish, segments 1, iii, and iv, darkened with pale fuscous; membrane pale to fumate basally; genital claspers (fig. 91) distinctive of the species. Female: Length 5mm., width 1.58mm.; very similar to the male in coloration but in form more robust. Breeds on Salix. Guilford, 13 July, 1920 (B. H. W.). O. modestus Van Duzee. Peoe. Cal. Acad. Sci., ser.4, vi, 100, 1016. Male: Length 4.4mm., width 1.44mm.; fuscous to blackish, head and paler parts of hemelytra tinged with yellowish; embolium pale, base of corium and continuing rather broadly along radius, and cuneus, greenish yellow; membrane uniformly infuscated, the veins scarcely paler; antennae fusco-brownish, segment 1 darker ; genital claspers (fig. 92) distinctive of the species. Female: Length 4.5 mm., width 1.47mm.; pale greenish, legs darker, dorsum marked with blackish; antennae, spot at base of tylus, transversely across base of calli, basal margin of pronotal disk but not attaining lateral angles, basal angles, and spot on median line at base of scutellum, clavus except basal angles, and spot on inner apical angle of corium, fuscous to black; membrane uniformly dark fuscous. Breeds on Salix fragilis and S. nigra. New York. 520 CONNECTICUT GEOL. Seat ae) as ‘ ” viridis Fic. 91. Orthotylus viridis Van Duzee,—male genital claspers, (a) left clasper, lateral aspect, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. HH? HY. Knight. AND NAT. HIST. SURVEY. [ Bull. “modeslus Fic. 92. Orthotylus modestus Van Duzee,—male genital claspers, (a) left clasper, lateral aspect, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knieht O. modestus var. immaculatus Knight, new variety. Structurally not distinguishable from the typical modestus but uniformly green in color; corium always immaculate but some- times the clavus with a dusky cloud; membrane uniformly fuscous ; genital claspers similar to those of modestus. Holotype: Male, 19 July, 1916, Batavia, N. Y. (H. H. Knight) ; author’s collection. Paratypes: Females (5), taken with type. NEw Yorx— Female, 2 Aug., 1916, Honeoye Falls (H. H. Knight).. Male and female, 5 July, Cold Spring Harbor, Long Island (H. M. Parshley). Ontarto— Male, 15 July, male, 21 July, 1914, Ottawa (G. Beaulieu). darsdis ee Fic. 93. Orthotylus dorsalis Provancher,—male genital claspers, (a) left clasper, lateral aspect, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. O. dorsalis (Provancher). Lygus dorsalis Provancher, Nat. Can., iv, 104, 1872. Proc. Cal Acad: Sci. ser: ia. wi 110; Toro: Male: Length 4.9 mm., width 1.49 mm.; elongate, costal mar- gins of hemelytra nearly parallel; black, cuneus, embolium, corium basally and extending rather broadly along radius, greenish trans- lucent, frequently median line of pronotum paler; rostrum except No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 521 apex and legs green, coxae paler ; membrane fuscous, veins slightly paler. Female: Length 5.2 mm., width 1.6mm.; pale green to greenish yellow, juga, arc or spot each side of front, stripe each side of median line and extending from inner basal angles of calli to basal margin of disk, scutellum except median line (usually), clavus except basally, large spot on inner apical angles of corium, dark fuscous to black; pale color of corium extending along claval suture and thus tending to separate dark color of apical area from that of clavus; membrane infuscated but veins distinctly paler ; body with lateral black stripe, more distinct on propleura, some- times quite reduced on venter; legs green, femora more yellowish, tip of rostrum and apices of tarsi blackish. This description and figures are drawn from specimens deter- mined as dorsalis Provancher by Mr. Van Duzee in 1916, while working on a monograph of the genus Orthotylus. Breeds on Salix. Hemecn, 11 June, 1921 (8B. H. W.); Litchfield, 22 July, 1920 (P. G.); North Branford, 13 July, 1920. (B..H. Bi ali Fic. 94. Orthotylus alm Knight,—male genital claspers, (a) left clasper, lateral aspect, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. Orthotylus alni Knight, new species. Male: Length 6.1 mm., width 1.7 mm.; black, slenderly border- ing front margin of eyes, median vitta on basal half of pronotal disk, bordering radial vein to beyond middle of corium, spot at base of cuneus, pale to translucent; rostrum except apex, and legs, dark green; tarsi, knees, and apically on tibiae, fuscous or blackish; membrane and veins uniformly dark fuscous. Female: Length 5.6 mm., width 1.83 mm.}; very little paler than the male, vitta on pronotal disk sometimes broader, embolium at base and the cuneus more broadly translucent. Food plant: Alnus rugosa. Holotype: Male, 3 July, 1920, McLean Bogs, Tompkins County, N. Y. (H. H. Knight); author’s collection. Allotype: same data as type. Paratypes: NEw York—Males (2) and females (18), taken with the types. Maine—Male, 15 July, 1909, Eastport (C. W. Johnson). 522 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. O. serus Van Duzee. Proc.’ Cal, Acad, Set: ser. 4) x1, 933. 1628: Male: Length 5.3 mm., width 1.58mm.; black, median line of pronotal disk and scutellum, pale; embolium, outer margin of | corium and cuneus, pale greenish, translucent; genae, gula, buc- culae, rostrum except apex, sternum, and legs, greenish yellow; membrane and veins uniformly dark fuscous. Female: Length 5.56mm., width 1.61mm.; very similar to male in form and coloration; hemelytra with costal margins nearly parallel; sometimes the pronotal disk, vertex, and front bordering eyes, more broadly pale than male. Breeds on Crataegus and cultivated apple. New York. SELUS ee Fic. 95. Orthotylus serus Van Duzee,—male genital claspers, (a) left clasper, lateral aspect, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. Diaphnidia Uhler. D. pellucida Uhler. Uhler, Hemiptera Colo., 44, 1895. Length 4.3mm., width 1.4mm.; uniformly pellucid greenish white, the antennae included; eyes and tips of tarsi fuscous. Food plants: Apple, Ostrya virginiana, and probably other plants. New Haven, 7 July, 1920 (B. H. W.). D. provancheri (Burque). Pet. Faune Ent. Can., iii, 144, 1887. Length 5mm., width 1.2mm.; pellucid greenish yellow, more green on hemelytra than elsewhere; tibiae lightly infuscated; antennal segment ii black, following segments fuscous. Food plants: White oak, and probably other plants. Massachusetts, New York. D. capitata Van Duzee. Bull. Buffalo Soc. Nat. Sci., x, 490, 1912. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 523 Length 3mm.; pale, smaller than pellucida; distinguished by the black head and fuscous basal segment of the antennae. Food plant: Witchhazel (Hamamelts virginiana). Long Island, N. Y. Reuteria Puton. R. irrorata (Say). Compl. Writ., i, 346, 1850. Length 4.3 mm., width 1.5mm.; pale whitish, usually marked with marbled green spots; distinguished by the longitudinal black marks on antennae. Food plants: Basswood (Tilia), and white oak (Quercus). New York. Noctuocoris Knight, new genus. Arolia erect and converging at the apices as in Orthotylus; gen- eral aspect more nearly that of certain species of Phytocoris. Head distinctly oblique in female but much less so in the male; vertex ecarinate, beset with a row of erect bristles at base; an alutaceous glabrous spot each side of vertex bordering eye; clypeus large and prominent, facial angle a right angle or slightly greater; front only slightly convex. Eyes large, prominent, viewed from the side a little oblique in female, larger and more nearly vertical in male. Rostrum short, scarcely attaining hind margin of mesosternum. Pronotum moderately sloping, very little convex, sides nearly straight, forming a line which would, if projected, strike inner half of eye; callosities moderately convex, delimited behind by an impressed line which continues to an impression between the calli. Pubescence composed of two kinds of hairs, a closely appressed scale-like type, and interspersed with more erect pubescent hairs. Legs long, suggesting Phytocoris but femora not distinctly broader at base. Abdomen with a lateral line formed by a series of impressed glabrous spots, one on each segment (genital segments excepted) situated just below the spiracle; both sexes with abdomen reaching to about middle of cuneus. Genital claspers distinctive in type (fig. 96). Genotype: Orthotylus fumidus Van Duzee. N. fumidus (Van Duzee). Proc. Cal. Acad. Sci., ser. 4, vi, 127, 1916. Male: Length 5.7 mm., width 1.7 mm.; color uniformly fuscous- brown, slender apex of scutellum pale; clothed with sericeous, closely appressed, silvery and black, scale-like pubescence, and interspersed with more erect pubescent hairs, longer and more bristly at anterior margin of pronotum and on head; anterior face of femora with a more or less broken fuscous line, dorsal margin at base and frequently the posterior face with a series of dark 524 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. spots; sternum nearly black, ventral aspect of face and lower margin of propleura pale grayish; membrane uniformly fuscous, veins slightly paler at apex of brachium; genital claspers distinctive of the species (fig. 96). Female: Length 6mm., width 2mm.; very similar to the male in coloration but in form slightly larger and more robust. In habit this species appears to be largely nocturnal; all speci- mens thus far collected have been taken at light. Allotype: Male, 7 July, 1913, Batavia, N. Y. (H. H. Knight); author’s collection. New York, Pennsylvania, Michigan, Minnesota, South Dakota, Colorado. fumidus Fig. 96. Noctuocoris fumidus Van Duzee,—male genital claspers, (b) left clasper, dorsal aspect, (c) right clasper, lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. Heterocordylus Fieber. H. malinus Reuter. Acta Soc. Sci. Fenn., xxxvi, No. 2, 71, 1900. Length 5.7-6.1 mm., width 2.2 mm.; black, usually marked with red; males black, usually with a patch of red on basal angles of pronotum and on basal angles of hemelytra; clothed with very fine yellowish pubescence and intermixed with rather sparsely placed tufts of white, deciduous, tomentose pubescence. Females usually with the basal half of pronotum, embolium, inner half of corium, base and exterior margin of clavus, and cuneus, red; more rarely, entirely black as in the male. Food plants: Crataegus and apple; pest on apple in New York. New Hampshire, New York. Tribe CERATOCAPSINI. Key to Genera. I. Pronotum anterior to middle, nearly cylindrical, rather abruptly flaring behind middle, basal half of disk strongly convex; embolar margins sulcate on basal half ............ (p. 535) Pamillia Pronotum regularly narrowed anteriorly, its sides not constricted at middle; embolar margins not distinctly sulcate ..... Ceratocapsus No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 525 10. IE. 12. 13. Ceratocapsus Reuter. Key to Species. Clothed only with simple pubescence, sometimes with prominent SO MNRNE REE acc Rhee Cts Sicha ieee s phe tie he Gar a echen cack 2 Mime with more erect pubescent hairs 2.06006. . occeokeeuc ee lee Head largely, and the antennae, red; dorsum uniformly yellowish; OB DU Be Sit 72 ag Re eS A ee (p. 527) lutescens Head and antennae not distinctly red; dorsum more or less JOULE Uist hs ORG Mg eae OF et ae eed eg Dh eee ae 2 Peet winout transverse fascia... 6h .<.s ci. enc cde aee sloh emedae. 4 Dorsum dark brownish, a broad pale or yellowish fascia across hemelytra just beyond tip of scutellum ........... (p. 526) fasciatus Robust; head and thorax not or scarcely darker than hemelytra; brownish black, basal half of hemelytra frequently paler; length 8 ELS RSS PO eae ae a (p. 527) modestus Slender; head and thorax black, hemelytra yellowish but with Pomeaie clad an corium: leneth: 4.5 mim... ool ee ee ace eee (p. 534) nigrocephalus n. SB. Oa) Moersum without transverse pale fascia .........+..s00-+s000% Dorsum dark brownish, a broad pale fascia across hemelytra just Meee CIPO SCIEENTIN 6s. des oe See ee (p. 526) pilosus n. sp. Pronotum impunctate, somewhat alutaceous .................000- Y Pronotum punctate, sometimes rather finely so yet distinct ....... 10 Dorsum sparsely clothed with fine short pubescence, sometimes with a few scattering long hairs on scutellum and hemelytra .... 8 Dorsum clothed with rather sparsely set, prominent, long erect pilose hairs; dark brownish black, legs and antennal segments i aaa 1 yellowish; length 4.1mm. ............. (p. 530) sericus n. sp. Antennal segment iii, in length, greater than width of vertex plus PaNS MEST CIEIP IM TASTE VEN 6 20.2.0 wore seienesnsd'aaiapese os ra asain mnie eve else 9 Antennal segment iii, in length, not equal to width of vertex plus dorsal width of an eye; dorsum uniformly yellowish .......... (p. 527) luteus n. sp. Antennal segment iii, in length, not equal to width of head; thorax reddish, basal half of hemelytra paler than apical half; legs yellowish; smaller, length 3.4mm. ........... (p. 529) vicinus n. sp. Antennal segment iii, in length, equal to width of head; thorax blackish, hemelytra brownish black except for small spot at basal angle of corium and embolium; legs dark reddish brown or black- iia haneer, lenoth) A.4-4.7ain, 5. ek oe 5 4 (p. 528) nigellus n. sp. (6) Antennal segment iii, in length, greater than width of vertex RESIS CTE Se UE AIDE AIOE id oe gd ww eter av eee Slo kiss x rae ohetohe ale Riva II Antennal segment iii, in length, not exceeding width of vertex plus SeaGE HIE (ot REE | We iit « oie a jab Gaee + bidae b emcaun eines San 13 Antennal segment iii, in length, equal to or greater than width of RSS bates su PMI Re hie a hw Siu ip tahdetn ase = Med achercieee eee ees Antennal segment iii, in length, not equal to width of head ...... (p. 531) pumilus Smaller, length, female 2.5 mm., male 3.1mm.; male cuneus colored similarly to corium; female ovate, brachypterous ..(p. 535) setosus Larger, length, male 4.5mm.; cuneus red, corium yellowish brown (p. 533) drakei n. sp. (10) Width of vertex greater than dorsal width of an eye; female femora greenish or yellowish, not distinctly reddish on apical half 14 Width of vertex (male) less than dorsal width of an eye; female hind femora reddish on apical half, cuneus red, corium yellowish PEGWIP HEAGSMICETIC £0 oi) sieiin eines oie ew Oe s ole (p. 531) fuscinus n. sp. I2 526 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. 14. Dorsum densely clothed with erect, rather bristly pubescence; apical half of membrane scarcely darker than basal half; basal prong of right genital clasper taking the form of a small finger- ke: process's Aj 220i teins a sew a a (p. 533) digitulus n. sp. Dorsum more sparsely clothed with semierect pubescence, nearly as in pumilus; apical half of membrane distinctly infuscated ; basal process of right genital clasper taking the form of a thin chitinous plate, notched at apex, the dorsal portion drawn out to ae SLOMGEL: HOM wc. Gas See tte ail ee ae eee ere (p. 532) incisus n. sp. C. fasciatus (Uhler). Bull. U. S. Geol. Geog. Surv., iii, 421, 1877. Length 3.2 mm., width 1.4 mm.; dark chestnut brown with legs and antennae paler; hemelytra with a broad transverse pale yellowish band just beyond tip of scutellum, scarcely paler on cuneal fracture; clothed only with fine recumbent yellowish pubescence. Occurs on hickory (Carya). New York. Ceratocapsus pilosus Knight, new species. Very similar to fasciatus in size and coloration but readily dis- tinguished by the long pilose hairs on head and dorsum. Male: Length 3.4mm., width 1.3mm. Head: Width .71 mm., vertex .33 mm.; yellowish brown to dark brown, clothed with fine pubescence, the front beset with several prominent erect hairs. Rostrum, length 1.17mm., attaining hind margins of posterior coxae, brownish. Antennae: Segment i, length .28mm., thickness .10mm., yellowish; li, 1.01 mm., tapering gradually thicker from base toward apex (.10 mm. thick), yellowish brown; iii, .64 mm., thick- ness .0oQmm., brownish; iv, .48mm., thickness .o8mm., dark brown. Pronotum: Length .58mm., width at base 1.16mm.; calli scarcely apparent, transversely rugulose near anterior margin, lateral margins of disk moderately yet distinctly sulcate; thickly clothed with fine yellowish pubescence, margins of disk beset with prominent pilose hairs; color dark brown, moderately shining. Scutellum dark brown, transversely rugulose, finely pubescent and beset with several erect pilose hairs. Sternum and episterna dark brown, shining; epimera and meta-episterna pruinose; ostiolar peritreme strongly protruding, white. Hemelytra: Embolar margins very slightly arcuate; dark fusco- brownish, a broad transverse, pale yellowish fascia just beyond apex of scutellum, cuneal fracture also pale; clothed with very fine, closely appressed, sericeous pubescence, intermixed with longer recumbent pubescence and sparsely set erect pilose hairs, pubescence taking color of surface beneath. Membrane pale, apical half and central area fuscous. Legs: Pale brownish to fusco-brownish. Venter dark brown, No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 527 shining, a pruinose area on middle of ventral surface; clothed with prominent yellowish pubescent hairs; genital claspers distinctive. Female: Length 3.6mm., width 1.6mm.; colored very simi- larly to the male but in form more robust, embolar margins more strongly arcuate on apical half. Holotype: Male, 28 July, 1916, Pigeon Cove, Mass. (Chris E. Olsen) ; author’s collection. Allotype: same data as the type. Paratypes: Massa- CHUSETTS—Males (3), taken with the types. M1iNNEsota—Males (3) and females (2), 20 July, 1920, Gray Cloud Island, collected on Ostrya virgin- tana; males (2), 8 July, males and females (12), 5 Aug., males and females (18), Iz Aug., 1920, University Farm, St. Paul, collected on Quercus macrocarpa ; ‘male and female, 9 July, males and females (10), 24 July, Minnehaha Creek, Hennepin County (Hi. EH.. Knteht). C. lutescens Reuter. Ofv. Kongl. Sv. Vet.-Akad. Forh., xxxii, No. 9, 87, 1876. Length 4.5 mm., width 1.9 mm.; uniformly yellowish, antennae, head chiefly, and two vittae on anterior angles of propleura, red; sparsely clothed with yellowish pubescence. Long Island, N. Y. C. modestus Uhler. Ent. Amer., 111, 69, 1887. Length 4.4mm., width 1.8mm.; dark chestnut brown with yellowish, sometimes dark fuscous brown; larger than pumulus and without distinct punctures on dorsum; surface very finely alutaceous ; scutellum, clavus, and inner apical margin of corium, beset with a few long erect hairs, but devoid of closely appressed sericeous pubescence. Occurs on basswood (Tilia), and grapevine (Vitis sp.). East River, 30 oe 1910, 5 Aug., 1908 (C. R. E.); New Haven, 8 July, 1909 (B. H. W.). C. luteus Knight, new species. Suggestive of lutescens but differs in structure of antennae and pubescence, likewise in color of antennae and head. Female: Length 4mm., width 1.64mm. Head: Width .87 mm., vertex .34mm.; yellowish, eyes brownish black. Rostrum, length 1.32 mm., nearly attaining hind margins of middle coxae, yellowish, darker apically. Antennae: Segment 1, length 31 mm.,;" 11, ¥.14 mim. slender at base, becoming eradually thicker apically but not attaining thick- ness of segment i, yellowish, somewhat dusky near apex; 111, .51 mm., thickness .o8 mm., just equal to apex of segment 11, dusky yellow ; iv, .43 mm., equal in thickness to segment ii, dusky brown. Pronotum: Length .73mm., width at base 1.34mm.; lateral margins nearly straight; impunctate, somewhat alutaceous, yellow- ish, clothed with very fine recumbent yellowish pubescence. Scutellum transversely rugulose, clothed with closely appressed, silvery scale-like pubescence, and intermixed with a few very short simple pubescent hairs. Sternum and pleura yellowish, ostiolar peritreme pale yellowish. 528 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Hemelytra: Embolar margins slightly sinuate; uniformly yellowish translucent, impunctate; pubescence as on scutellum, scale-like pubescence more abundant on clavus and inner half of corium. Membrane uniformly pale fumate, becoming more nearly pale fuscous at apex, veins tinged with yellowish. Legs: Uniformly yellowish. Venter uniformly yellowish, yellowish pubescent. Male: Length 3.8mm., width 1.46mm.; very similar to the female in form and coloration. Head: Width .80mm., vertex 26mm. Antennae: Segment i, length .28mm., yellowish; ii, 1.03 mm., yellowish, brownish on apical half; i111, .50 mm., fusco- brownish; iv, brownish black; similar in structure to antennae of female. ) Holotype: Female, 18 July, 1915, White Plains, N. Y. (J. R. T. ae ; author’s collection. Allotype: Male, 20 Aug., 1891, Berkeley, W. (O. Heidemann) ; Cornell Univ. collection. Ceratocapsus nigellus Knight, new species. Resembles dark forms of modestus but readily distinguished by the type of pubescence; scutellum and basal half of hemelytra bearing closely appressed, sericeous or scale-like pubescence. Male: Length 4.5 mm., width 1.7mm. Head: Width .83 mm., vertex .34mm.; brownish black, front coarsely alutaceous, shal- low groove on median line above, basal carina raised to a sharp angle. Rostrum, length 1.7 mm., attaining hind margins of middle coxae, dark brownish. Antennae: Segment 1, length .43 mm., thickness .1I1 mm.; i, 1.56 mm., gradually thickened from base to apex (.11 mm. thick) ; iii, .84.mm., thickness .13 mm.; iv, .63mm., thickness .13 mm.; clothed with short, closely set pubescence, dark reddish brown to blackish. Pronotum: Length .93 mm., width at base 1.66 mm. ; alutaceous, finely and sparsely pubescent, lateral margins of disk very slightly sulcate; dark brownish black. Scutellum blackish, transversely rugulose, clothed with closely appressed, silvery scale-like hairs, and intermixed with a few fine erect pubescent hairs. Sternum dark brownish black, shining, meta-episterna pruinose; ostiolar peritreme coarsely alutaceous, dark reddish brown. Hemelytra: Embolar margins slightly sinuate; dark brownish black, cuneus frequently more reddish brown; clavus and basal half of corium clothed with closely appressed scale-like hairs as on scutellum, and sparsely interspersed with more erect, simple pubes- cent hairs. Membrane and veins uniformly fuscous, slightly paler bordering apex of cuneus. Legs: Dark reddish brown to blackish, anterior and middle pair of tibiae more yellowish brown. Venter dark reddish brown to black, genital segment strongly shining and beset with rather prominent pubescent hairs; genital claspers distinctive of the species. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 529 Female: Length 4.6mm., width 1.84mm.; very similar to the male in form and color. Holotype: Male, 14 July, 1916, Batavia, N. Y. (H. H. Knight) ; author’s collection. Allotype: same data as the type. Paratypes: Males and females (30), taken with the types on hickory. Grorcra—Male and female, July, 1910, Rabun County (Wm. T. Davis). MaryLanp—Male, 21 June, 1914, Plum Point (W. L. McAtee). Minnesota—Female, 20 July, 1920, Gray Cloud Island (H. H. Knight). NortH Carotina—Female, 14 June, 1915, Southern Pines (A. H. Manee). Males and females (8), July, 1912, Black Mountains (Beutenmuller). NEw JErsEy—Female, 2 July, James- burg (Wm. T. Davis). New Yorx—Males and females (7), 17 July, males and females (12), 31 July, female, 6 Aug., 1916, females (2), 13 Aug., 1915, Batavia (H. H. Knight), collected on hickory. Males and females (5), 16 July, 1916, Conesus Lake; males and females (6), 23 July, 1916, Ithaca (H. H. Knight). Female, 7 Aug., 1915, White Plains (J. R. T. Bueno). Males (4) females (3), 30 June, 1922, Kings Bluff, Winona Co., Minn. (H. H. Knight). Collected most frequently on hickory (Carya sp.). Nymphs have been taken on the trunks and larger limbs of trees, indicating that the species may be largely predaceous. C. vicinus Knight, new species. Fulvous to reddish, scutellum and apical half of hemelytra dark brownish to blackish, legs and antennae yellowish; dorsum clothed with rather inconspicuous simple pubescence, scutellum and basal half of hemelytra thickly clothed with closely appressed, scale-like silvery pubescence. Male: Length 3.4mm., width 1.4mm. Head: Width .78 mm., vertex .31mm.; yellowish to reddish, front coarsely alutaceous, vertex and front beset with a few erect yellowish hairs. Rostrum, length 1.43 mm., reaching upon hind coxae, reddish, yellowish apically. Antennae: Segment i, length .31 mm., yellowish, frequently a red mark on ventral surface; ii, 1.23 mm., thickness at apex .10 mm., yellowish, more brownish at apex; ii, .66mm., thickness .08 mm., reddish brown, paler at base; iv, .48 mm., reddish brown. Pronotum: Length .7i mm., width at base 1.23 mm.; lateral margins of disk nearly straight; fulvous to reddish, moderately shining; calli outlined but inconspicuous, alutaceous; sparsely clothed with fine yellowish pubescence. Scutellum dark reddish brown, transversely rugulose, thickly clothed with closely appressed, silvery scale-like pubescence. Sternum and pleura red- dish to brownish, meta-episterna pruinose; ostiolar peritreme reddish. Hemelytra: Embolar margins slightly sinuate; yellowish to fulvous, apical half dark brownish to blackish; sparsely clothed with simple yellowish pubescence, clavus and basal half of corium covered with closely appressed, silvery scale-like pubescence. Membrane pale, apical half fuscous. Legs: Uniformly yellowish, scarcely darker at base of coxae. Venter dark reddish brown to black, shining, genital segment 530 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. clothed apically with prominent yellowish hairs; genital claspers distinctive. Female: Length 3.6 mm., width 1.6mm.; more robust than the male but very similar in coloration; embolar margins more dis- tinctly arcuate on apical half. Holotype: Male, 8 July, Staten Island, N. Y. (Wm. T. Davis); author’s collection. Allotype: 21 Aug., 1917, Wyandanch, Long Island, N. Y. (Chris E. Olsen). Paratypes: New Jersey—Male, 11 July, 1908, female, 19 July, female, 23 July, female, 27 July, Lakehurst (Wm. T. Davis). New Yorx— Female, 11 Aug., Pinelawn; female, Aug., 1916, Yaphank (Wm. T. Davis). Female, 21 Aug., 1917, Wyandanch, Long Island (C. E. Olsen). Ceratocapsus sericus Knight, new species. Dark brownish black, legs and antennae yellowish; form and size suggestive of pumilus but distinguished by the rather sparsely set, erect long pilose hairs. Female: Length 4.1mm., width 1.66mm. Head: Width .77 mm., vertex .37mm.; brownish, coarsely alutaceous, set with several long erect hairs. Rostrum reaching upon hind coxae (apex covered), brownish to dark brown. Antennae: Segment i, length .39 mm., thickness .11 mm., yellow- ish; u, I.4mm., slender at base and tapering to .10 mm. thick at apex, yellowish; iti, .74mm., thickness .10mm., dark reddish brown, yellowish at base; iv, .58mm., thickness .ogmm., dark reddish brown. Pronotum: Length .74mm., width at base 1.34mm.; lateral margins of disk slightly sulcate; dark brownish black, alutaceous, disk sparsely set with long erect pilose hairs. Scutellum dark brownish black, transversely rugulose, clothed with closely appressed, silvery scale-like pubescence, and interspersed with erect long pilose hairs. Sternum dark reddish brown, pleura blackish and somewhat alutaceous, meta-episterna pruinose; ostiolar peritreme yellowish to brown. Hemelytra: Embolar margins slightly sinuate, somewhat arcuate on apical half; dark brownish black, somewhat translucent on embolium; rather sparsely beset with long erect, yellowish pilose hairs, clavus and basal half of corium clothed with closely appressed, silvery scale-like pubescence. Membrane and veins uniformly pale fuscous, a small clear spot bordering apex of cuneus. Legs: Uniformly yellowish, coxae more brownish. Venter dark brownish black, somewhat shining, genital segments clothed with prominent yellowish hairs. Male: Length 4mm., width 1.57mm.; very similar to the female in color. Antennae: Segment 1, length .36mm.; 1, 1.28mm., yellowish, fuscous on apical one-third; iti, .67mm., fuscous, narrowly yellowish at base. Genital segment distinctive. Holotype: Female, 28 July, 1906, Newfoundland, N. J. (Wm. T. Davis) ; author’s collection. Allotype: Male, 27 June, 1921, Ann Arbor, Mich. (R. F. Hussey). Paratypes: Female, taken with type. Female, 23 Aug., Mosholu, N. Y. No. 34. ] HEMIPTERA OF CONNECTICUT: MIRIDAE. 531 C. pumilus (Uhler). Ent. Amer., iii, 60, 1887. Length 3.6 mm., width 1.5 mm.; yellowish brown to dark brown; antennae and legs pale yellowish brown; dorsum distinctly punc- tured, thickly clothed with prominent yellowish pubescence and with shorter, silvery yellow, sericeous pubescence. Occurs on grapevine (Vitis spp.). Bast River 7 Sept., roro (C. R. E.). C. fuscinus Knight, new species. Closely related to pumilus but antennal segment iii shorter, eyes of male larger, vertex narrower; pubescence on dorsum heavier, more erect and prominent than in pumulus. Male: Length 3.7 mm., width 1.61 mm. Head: Width .78 mm., vertex .26mm.; yellowish; eyes larger and more coarsely granu- late (facets larger) than in pumilus. Rostrum, length 1.14 mm., scarcely attaining hind margins of middle coxae, yellowish, basal segment and apex darker. Antennae: Segment 1, length .27mm., yellow, a-red spot on inner side at base; 11, 1.01 mm., slender at base and becoming gradually thicker toward apex, attaining the thickness (.08 mm.) of segment i, dusky pubescent, yellowish; 111, .51 mm., thickness .07 mm., yellowish, becoming darker on apical half; iv, .4o mm., equal to segment i11 in thickness, fusco-brownish. Pronotum: Length .68 mm., width at base 1.13 mm.; nearly as in pumslus but pubescence longer and more prominent; brownish black, basal one-fourth or more of disk yellowish. Scutellum yellowish brown, darker at base, clothed with prominent yellowish pubescent hairs; mesoscutum narrowly exposed. Sternum brown- ish, episterna and pleura blackish; ostiolar peritreme yellowish, becoming brownish above. Hemelytra: Embolar margins slightly arcuate; yellowish brown translucent, somewhat fuscous on corium; punctures fine, black- ish, clothed with prominent yellowish pubescent hairs and inter- mixed with shorter, closely appressed, sericeous or scale-like pubescence; cuneus reddish. Membrane pale fumate, a slightly darker but distinct cloud occupying middle of apical half. Legs: Yellowish, hind femora reddish on apical half. Venter brownish black, more yellowish beneath; genital claspers very similar to those of pumélus but basal prong of right clasper twice as long as wide; both right and left claspers composed of three prongs each, hence the name. Female: Length 3.6mm., width 1.6mm.; very similar to the male but embolar margins more strongly arcuate; pronotum more yellowish, only the calli and a ray across top of coxal cleft blackish ; venter reddish to brownish. Head: Width .73 mm., vertex .33mm. Antennae: Segment 1, 532 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. iength .27 mm. ; i, ..06 mim., slender, thickness at apex equal to segment 111; 111, .46mm.; iv, .37mm.; colored as in the male. Holotype: Male, 2 Aug.., 1916, Honeoye Falls, N. Y. (H. H. Knight) ; author’s collection. Allotype: same data as the type. Paratypes: Males (10) and females (4), taken with the types on Salix migra. Dtstrict oF CoLtumBiAa—Male, 10 July, 1898, Washington (O. Heidemann). MaryLanp —Male, 10 July, Glen Echo (O. Heidemann). M1nnresota—Males (2) and female, 12 July, 1921 (A. Hertig), male and female, 20 July, 1920, Gray Cloud Island, Ramsey County (H. H. Knight). New Yorx—Males (4) and female, 4 Aug., males (2) and females (4), 6 Aug., males (3) and females (2), 10 Aug., female, 17 Aug., 1916, Batavia, New York (H. H. Knight). Onto—Male, 17 July, 1915, Bay Point (C.J. Drake): Ceratocapsus incisus Knight, new species. General aspect very similar to pumilus but antennal segment iii shorter, apical half of membrane more distinctly infuscated while the femora remain uniformly yellowish or greenish; genital claspers distinctive. Male: Length 3.7 mm., width 1.49mm. Head: Width .71 mm., vertex .30mm.; blackish, reddish beneath. Rostrum, length 1.38 mm., nearly attaining hind margins of middle coxae, yeilowish, basal segment reddish, apex blackish. Antennae: Segment i, length .28mm., yellowish, tinged with reddish; ii, 1.07mm., slender at base and gradually thickened toward apex, but not attaining the thickness of segment i, yellow- ish, dusky at apex; ili, .49mm., brownish, nearly equal to thick- ness of segment i1; iv, .39 mm., brownish, equal to segment iii in thickness. Pronotum: Length .64mm., width at base 1.26mm.; more blackish than in fuscinus but with pubescence very similar. Scutellum brownish black. Sternum reddish to blackish, pleura black; ostiolar peritreme pale, tinged with reddish. Hemelytra: Nearly as in fuscinus but the corium darker, cuneus dark reddish brown. Membrane and veins fumate, apical half fuscous, margins slightly paler. Legs: Yellowish to greenish, not distinctly darker on apical half. Venter dark reddish brown to piceous, scarcely paler beneath; genital claspers distinctive, basal prong of right clasper incised at apex, the dorsal portion drawn out to a slender point. Female: Length 4 mm., width 1.7 mm.; very similar to the male. Head: Width .72 mm., vertex .33mm. Antennae: Segment 1, length .33mm.; ii, 1.11 mm., slender, slightly thicker at apex, yellowish; ili, .4gmm., brownish, paler at base; iv, .39 mm., brownish. Occurs on Salex. Holotype: Male, 26 July, 1916, Ithaca, N. Y. (H. H. Knight); author’s collection. Allotype: same data as the type. Paratypes: Males (6) and females (2), taken with the types on Salix. New Yorx—Males (2) and females (3), 29 July, male, 30 July, male, 6 Aug., 1916, Batavia; males te), ane 1916, Ithaca; male, 13 Aug., 1916, Cattaraugus County (H. H. nig. ns err erage | j f No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 533 C. digitulus Knight, new species. Antennae nearly as in fuscinus but dorsum more densely clothed with erect, rather bristly pubescence; dorsum dark brownish to blackish while the legs remain uniformly greenish yellow; genital claspers distinctive. Male: Length 3.4mm., width 1.6mm. Head: Width .7omm., vertex .30mm.; brownish black. Rostrum, length 1.14mm., scarcely attaining hind margins of middle coxae, yellowish, apex and basal segment darker. Antennae: Segment i, length .27mm., yellowish; ii, I mm., yellowish, thickened on apical half but not quite attaining thick- ness of segment i, clothed with prominent pale pubescence; iii, .48 mm. , scarcely equal to thickness of segment 11, yellowish, apical half more brownish; iv, .36mm., brownish. Pronotum: Length .67 min., ‘width at base 1.26mm.; dark brownish, more nearly black on calli. Scutellum onan black ; erect yellowish pubescence even more prominent than on pronotum. Sternum and pleura brownish black; ostiolar peritreme yellowish to brownish. Hemelytra: Embolar margins distinctly arcuate; dark brownish with a reddish tinge, embolium more yellowish translucent; cuneus reddish brown; rather densely clothed with erect, somewhat bristly pubescence, and intermixed with closely appressed, silvery tomen- tose, scale-like pubescence. Membrane rather uniformly fusco- brownish, scarcely paler bordering cuneus. Legs: Uniformly greenish or yellowish. Venter brownish black, shining, yellowish pubescent; genital claspers distinctive, basal prong of right clasper taking the form of a small finger-like process. Female: Length 3.5mm., width 1.7mm.; very similar to the male in structure and coloration, but the embolar margins slightly more arcuate. Head: Width 73 mm., vertex .34mm. Antennae: Seement 1, length .28mm.; ii, 1. 7 mm., slender, gradually thickened on apical half but not attaining thickness of segment 1; ili, .51 mm., thickness nearly equal to apex of segment 1, yellowish to brownish; iv, .37 mm., brownish. Holotype: Male, 29 July, 1916, Batavia, New York (H. H. Knight) ; author’s collection. Allotype: same data as the type. Paratypes: Male and female, taken with types. Nrw Yorx—Male and female, 13 Aug., 1916, Cattaraugus County, alt. 2300 ft. (H. H. Knight). Male, 21 Aug., 1917, Wyandanch (C. E. Olsen). Female, 26 July, 1908, Yaphank (Wm. T. Davis). Male, 1-7 Aug., 1917, Wanakena (C. J. Drake). C. drakei Knight, new species. Elongate, more slender than pumilus, most closely related to megrocephalus and setosus; the female probably brachypterous as in setosus. Male: Length 4.5 mm., width 68mm. Head: Width .71 mm., vertex .27mm.; reddish, darker on vertex. Rostrum, length 534 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. I1.42mm., reaching to near hind margins of posterior coxae, yellowish, apex blackish, basal segment reddish. Antennae: Segment i, length .41 mm., yellowish; ii, 1.43 mm., slender, only very slightly thickened apically, yellowish, fusco- brownish on apical half; iii, .88mm., about equal in thickness to segment ii, dark fusco-brownish; iv, .51 mm., fuscous. Pronotum: Length .57mm., width at base 1.14mm.; rich brown, becoming piceous on calli, punctures show black; sparsely clothed with long erect, yellowish pubescent hairs. Scutellum dark brown, beset with about sixteen erect yellowish hairs, and between with short, closely appressed, sericeous scale-like pubescence. Sternum and pleura reddish to brownish black; ostiolar peritreme pale reddish. Hemelytra: Embolar margins nearly straight; yellowish brown translucent, punctures black; each puncture with a short, closely appressed, silvery, sericeous pubescent hair, and interspersed between with rows of sparsely set, erect yellowish hairs; cuneus red, more yellowish on outer margin, beset with rather long yellowish pubescent hairs. Membrane and veins pale, apical half and margins of veins pale fuscous. Legs: Yellowish brown, bases of coxae reddish, apices of tarsi fuscous. Venter brownish black; right genital clasper with two prongs, nearly forming a semicircle, the hook at base slender and sharply bent, the terminal hook above more broadly curved. Holotype: Male, 1-7 Aug., 1917, Wanakena, N. Y. (C. J. Drake) ; author’s collection. Paratype: Male, 3 Aug., 1920, The Plains, N. Y. (Osborn and Drake). ALBEerta—Male, 24 July, 1921, Nordegg (J. Mc- Dunnough). Ceratocapsus nigrocephalus Knight, new species. Elongate, slender, black, legs and hemelytra yellowish, apical half of corium and of cuneus pale fuscous; sparsely clothed with erect pilose hairs. Male: Length 4.5 mm., width 1.48mm. Head: Width .73 mm., vertex .31 mm.; black, median line of vertex slightly impressed, somewhat alutaceous. Rostrum, length 1.36mm., reaching to middle of hind coxae, dark brownish. Antennae: Segment i i, length .37 mm., thickness .086 mm., yel- lowish, fuscous at base: ii, 1.53mm., linear, slightly thicker apically (.07 mm. thick), ‘yellowish to dusky, darker apically ; 111, .88 mm., linear, thickness .06 mm., fuscous; iv, .60 mm., thickness .06 ane, fuscous. Pronotum: Length .57mm., width at base 1.12 mm. black, shining, lateral margins of disk very slightly sulcate; calli outer as slightly raised ovals, coarsely alutaceous ; sparsely clothed with moderately long, erect pubescent hairs. Scutellum black, trans- versely rugulose, sparsely beset with erect pilose hairs. Sternum dark brownish to black, shining; pleura brownish to blackish; No. 34. ] HEMIPTERA OF CONNECTICUT: MIRIDAE. 535 ostiolar peritreme yellowish, dorsal lobe strongly protruding, fuscous just above. Hemelytra: Embolar margins nearly straight; yellowish trans- lucent, apical half of corium and the cuneus darkened with fus- cous; finely pubescent and interspersed with erect, yellowish pilose hairs, pubescent hairs apparently arising from fine punctures. Membrane pale, a large somewhat rounded fuscous cloud occupy- ing central area between areoles and including the apical half. Legs: Pale yellowish brown, front coxae reddish to fuscous. Venter reddish brown to blackish, darker distally, shining, clothed with yellowish pubescence; genital claspers distinctive. Female: Length 5mm., width 1.43 mm.; slightly more robust than the male but very similar in coloration, embolar margins more arcuate distally. Holotype: Male, 15 July, 1915, Parry Sound, Ontario, Canada (H. S. Parish) ; author’s collection. Allotype: same data as the type. Paratypes: Male, taken with types. MicHicAN—Male, 22 July, 1916, Pentwater (E. Liljeblad). Netw HampsHire—Female, Franconia (Mrs. A. T. Slos- son). Qursec—Male, 11 July, 1920, Cascades (H. G. Crawford). SoutH Daxota—Male, 16 July, 1920, Brookings (H. C. Severin). C. setosus Reuter. Acta Soc. Sci. Fenn., xxxvi, No. 2, 70, 1900. Female: Length 2.5 mm., width 1.3mm.; dark brownish with yellowish; distinguished by the small size and oval shape; hem- elytra shorter than the abdomen, membrane absent, tips broadly rounded, finely and closely punctured, clothed with short, closely appressed, sericeous pubescence and interspersed with long erect setose hairs. Male: Length 3mm., width 1.3mm.; wings fully developed, suggestive of pumuilus but smaller; distinguished by the small size and erect setose hairs on dorsum. New Jersey, Maryland, North Carolina. Pamillia Ubhler. P. davisi Knight, new species. Distinguished from behrensis by the glabrous and strongly shining area on apical one-third of corium, also by the dark reddish brown color. Female: Length 3.8mm., width 1.5mm. Head: Width .86 mm., vertex .44mm.; front more nearly flat and more sharply declivitous than in behrensit, in form very similar to certain species of Pilophorus; dark reddish brown, nearly black on vertex, front and vertex alutaceous, lower half of face more strongly shining; finely pubescent, a few longer hairs on front. Rostrum, length 1.36mm., scarcely attaining hind margins of intermediate coxae, dark reddish brown. 530 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Antennae: Segment i, length .26mm., with two or three bristles on anterior aspect, testaceous; ii, I mm., more slender at base and gradually enlarged apically (.11 mm. thick) to equal thickness of segment i, yellowish brown, darker brown apically; iii, .61 mm., exceeding thickness (.13 mm. thick) of segment ii, more slender on basal one-fourth, dark brown; iv, .61 mm., equal in thickness to segment iii, fusiform, dark brown; closely covered with very fine, short, golden pubescence. Pronotum: Length .86mm., width at base 1.11 mm., anterior angles .72 mm., sides sulcate, anterior half approaching cylindrical form, rather abruptly flaring to basal angles; basal half of disk strongly convex, declivitous behind, basal margin regularly arcuate and fitting far down over mesonotum; collar very fine and narrow, nearly covered by sharp basal margin of head; calli not apparent, disk finely alutaceous, minutely and sparsely pubescent, a few prominent hairs near anterior angles. Scutellum flattened, dark brown, transversely rugose except apical one-third which is opaque; not distinctly separated from the strongly arched and shining mesonotum. Sternum reddish brown, shining, meta- episterna pruinose as viewed in certain lights; ostiolar peritreme pale, projecting slightly at dorsal extremity of the prominent ostiole. Hemelytra: Greatest width 1.5mm., embolar margins parallel on basal half (width 1.14 mm.) then abruptly flaring but rounding to base of cuneus; embolium and apical one-third of corium glabrous, convex and strongly shining, dark brown to piceous, basal half of embolium amber brown and translucent; corium, just before glabrous area and apically on clavus, blackish, opaque, a paler brownish, pruinose, transverse band across middle; basal half of clavus reddish to cinnamon brown, opaque; sparsely set with erect short black bristles. Cuneus sharply deflected, strongly shining, practically glabrous, fracture deep, broader at base than long, outer margin arcuate. Membrane dark brownish black, paler at apex, veins inconspicuous; larger areole slender, paralleling inner margin of cuneus, smaller areole scarcely discernible. Legs: Reddish brown, trochanters and tips of coxae paler, tarsi infuscated, pale basally; pubescent, tibiae with three rows of dis- tinct spines; hind femora slightly flattened and bent as if to fit against sides of venter; arolia free and converging apically. Venter: Dark brownish to piceous, strongly shining, third seg- ment pruinose on ventral surface; distinctly broader on apical half, finely and rather sparsely yellowish pubescent. Holotype: Female, 4 Sept., Lakehurst, N. J. (Wm. T. Davis); author’s collection. Paratype: Female, 15 Sept., 1902, Manumuskin, N. J. Named in honor of the collector, Mr. Wm. T. Davis, who had favored the author with several rare and interesting Miridae. a ee ne ee erties ex No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 537 Tribe PILOPHORINI. Key to Genera. 1. Vertex compressed posteriorly, slightly overlapping the pronotum; length of antennal segment i not exceeding width of vertex; moscerior tibtac usually compressed .. 2.5... eee ec cece wee e nes 2 Vertex not compressed posteriorly; length of antennal segment i nearly equaling width of head; posterior tibiae cylindrical; anterior half of pronotum constricted, its sides at that point ee E ANE ac en xcs’ baw wd vernal wale 6.6 alee (p. 537) Pseudoxenetus 2. Antennal segment ii scarcely thickened toward apex; width of head across eyes greater than the width of pronotum at base; hemelytra with embolar margins parallel, destitute of white pubes- aM MEISE ed 5 3-cstnccd eiastes sala zh ny ego astakoaerSaniiatinie (p. 537) Alepidia Antennal segment ii thickened toward apex; width of head less than width of pronotum at base; hemelytra medially coarctate, bearing white pubescent bands ................. (p. 538) Pilophorus Pseudoxenetus Reuter. P. scutellatus (Uhler). (PI. xvi, 13.) Trans. Md. Acad. Sci., i, 81, 1890. Length 6.5 mm., width 1.2mm.; black, scutellum yellow except narrow base, cuneus with white translucent band at base; posterior coxae pale, legs dark brownish, the anterior and middle tibiae more yellowish. Food plants: Quercus Muhlenbergs, Q. alba, and occasionally Fraximus. - New Haven, 21 June, 1909 (B. H. W.); 12 June, 1910 (A. B. C.). Po seutellatus (Uhler). (PI. xvi, 13.) Trans. Md. Acad. Sci., i, 80, 1890. Length 6.5mm., width 2mm.; very similar to scutellatus but having the scutellum black; basal half of pronotum, sternum, and the pleura largely red. Occurs on live oak (Quercus virgemana). Long Island, N. Y. Alepidia Reuter. A. gracilis (Uhler). Hemip. Colo., 42, 1895. Length 4.2 mm., width 1.3 mm.; black, slightly shining; hem- elytra ferruginous black, membrane uniformly infuscated, pale bordering the cuneus ; antennae and legs pale yellowish, the femora sometimes darkened; abdomen each side near base with a patch of silvery scales. Breeds on Pinus resinosa. Long Island, N. Y. 538 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Pilophorus Westwood. Key to Species. I. Scutellum strongly convex, almost conically produced ............ 2 Scutellum nearly flat or only moderately convex ................ 4 2. Hemelytra cinnamon brown to fulvous, the polished apical area only, dark brown or piceous ./..2...... 4. 45..5,520 0s. er 4 Hemelytra dark brownish black, apex of clavus as well as corium polished behind posterior silvery line; silvery bar on clavus nearly or quite connecting with posterior silvery line of corium, directed somewhat obliquely distad; length 4.1mm. ....(p. 539) furvus n. sp. 3. Antennal segment ii in length equal to little more than width of vertex ; smaller, length anim, (72 Bigs see oe heidemanni Antennal segment ii in length almost equal to width of head; | lancer lene th 345 anna) 24.0.0. a cdots clo aieas ae (p. 539) depictus n. sp. 4. Hemelytra polished over entire width behind posterior silvery line 5 Hemelytra polished behind posterior silvery line but exterior to radial vein only’... 020...) .0) 000 ee eee rT 5. Hemelytra beset with erect, short black bristles .... 75.22 eaneoeee 6 Hemelytra clothed only with fine recumbent pubescence, some- times black but not erect and bristle-like ......5..4;. seen | 6. Antennal segment iii black, nearly as thick as segment i.......... ; (p. 540) vanduzeei n. sp. Antennal segment 1ii pale, the apical half only infuscated, slender, scarcely thicker than segment iv .............. (p. 541) whleri n. sp. 7. Hemelytra yellowish brown to dark brown except behind posterior Silyery Vine... s,s 20 ss 0.0 22,0, +p nysus’¢ miosis «ote sls @ aero 8 eae an bright cinnamon fulvous except behind posterior silvery PID re BO aut RNG at wae ode Beet Sher Etats Men a aad eee 9 8. Antennal segment iii pale, scarcely infuscated at apex; hind tibiae strongly compressed, almost carinate .............- (p. 542) crassipes Antennal segment iii reddish brown to piceous, slightly paler at base; hind tibiae only very slightly compressed ..... cinnamopterus | 9. Small, length not exceeding 3.7mm.; posterior silvery line inter- | rupted on corium but not dislocated at claval suture ............ 10 Larger, length 4.55mm.; posterior silvery line not interrupted on . corium but slightly dislocated at claval suture; antennal segment ii gradually thickened toward apex .............% (p. 542) amoenus . 10. Antennal segment ii strongly clavate on apical one-third, in length exceeding distance between tip of tylus and hind margin of pro- PORE e. Daca Lily sh dake Weg eo Mal Ale SUN eal Gk oe eae (p. 543) laetus Antennal segment ii gradually thickened from middle toward apex, in length not equal to distance between tip of tylus and base of PLOMOUMMA si Seu, Uhre ake eet Bee aes © Ae eed oe ene (p. 543) juniperi n. sp. 11. (4) Transverse silvery line of clavus and corium dislocated at Claval SUBULE 6 ese sain ah delete ila bie Gh aed bib cries ae ee 12 Transverse silvery line of clavus and corium forming nearly a straight line, although that of the clavus bent slightly forward but never disconnected | o.4 5320s Sead Sas (p. 544) perplexus 12. Antennal segment ii, in length, equal at least to distance between tip of tylus and. basal matein of pronottim . 2... 2. «eee etre Fs Antennal segment ii, in length, not equal to distance between tip of __ tylus and basal margin of pronotum; length 3.5mm .......... walshi 13. Antennal segment ii, in length, equal to or only slightly greater than distance between tip of tylus and basal margin of pronotum ; clavus of the same brown color as corium; smaller, length 4 mm. (p. 544) brunneus Antennal segment ii, in length, distinctly greater than distance between tip of tylus and basal margin of pronotum; clavus dis- tinctly darker bordering scutellum and commissure; larger, lenethy 4.55 tnt; so icra sede nth eae taleetetatarelarain infos ib fe (p. 544) clavatus No. 34. | HEMIPTERA OF CONNECTICUT: MIRIDAE. 539 P. furvus Knight, new species. Female: Length 4.1mm., width 1.61mm. Head: Width I.I2mm., vertex .61 mm., basal margin to tip of tylus .89 mm. ; dark reddish brown to piceous, smooth, shining; gula beset with erect, bristly pubescent hairs. Rostrum, length 1.4 mm., scarcely attaining hind margin of sternum, rufo-piceous. Antennae: Segment i, length .25mm.; ii, 1.03 mm., thickness (.08 mm.) equal to segment i, more slender on basal one-fourth, minutely pubescent, dark reddish brown, slightly paler at base; iti, .41 mm., slender, pale, apical half dark brown; iv (missing). Pronotum: Length .83 mm., width at base 1.33 mm., anterior angles .77mm.; lateral margins sulcate, flaring sharply to basal angles, a distinct bristle just before each anterior angle; uniformly dark brownish black; xyphus convex, lateral margins scarcely carinated, reddish brown. Scutellum strongly convex, almost taking the form of a truncate pyramid but rounded above, apex flattened, basal angles and apex with a tuft of silvery scale-like pubescence; mesonotum broadly exposed, flattened above but abruptly declivitous at each side. Sternum brownish black, polished; epimera with posterior margin covered by silvery scale- like pubescence; ostiolar peritreme pale to dusky, polished just above, a tuft of scale-like pubescence at posterior margin of meta- episternum just beneath that on embolium. Hemelytra: Embolar margins sulcate-sinuate, greatest width (1.61 mm.) just before cuneal fracture; from anterior to posterior silvery line, opaque, dark brownish black; behind posterior silvery line, brownish black to piceous, polished, apex of clavus and all of the cuneus included; posterior silvery line sinuate, perhaps interrupted (mutilated?), nearly or quite connecting with that of clavus which is directed slightly distad; basal silvery line similar to that of amoenus; very finely pubescent, longer on apical margin bordering membrane. Cuneus sharply deflected, piceous and polished similar to apex of corium, a silvery scale-like spot near inner basal angle. Membrane pale fuscous, a large opaque blackish cloud involving apical half of areoles and middle of membrane. Legs: Dark brownish black, tibiae more yellowish brown, tro- chanters except on front legs, two basal segments of tarsi, and apical half of hind coxae, pale. Venter: Dark brown to piceous, polished, finely pubescent, prominent bristly hairs bordering ovipositor. Holotype: Female, 30 June, Lakehurst, N. J. (Wm. T. Davis) ; author’s collection. Pilophorus depictus Knight, new species. Closely related to furvus but smaller, length of antennal segment ii scarcely equaling width of head; hemelytra, anterior to posterior silvery line, cinnamon fulvous as in amoenus. 540 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Female: Length 3.5mm., width 1.53mm. Head: Width 1.05mm., vertex .55mm., from basal margin to tip of tylus .84mm.; dark brownish to piceous, more brownish on juga and lora, polished, gula beset with erect bristles as in furvus. Ros- trum, length 2mm., reaching to middle of intermediate coxae. Antennae: Segment i, length .25mm., brownish; ii, .1 mm., greatest thickness .o9g6 mm., more slender on basal one-third, black, basal one-fourth brownish, minutely pubescent; iii, .44 mm., slender, fuscous, basal one-third pale ; iv, .38 mm., fuscous, slightly paler at base. Pronotum: Length .77mm., width at base 1.25mm.; dark brownish black, shining. Scutellum almost identical with furvus in structure, a silvery bar in each basal angle, with a transverse one on the flattened apical one-third. Sternum brownish black to piceous, polished; ostiolar peritreme pale to brownish; episternum brown, darker at basal angle bordering the silvery scale-like spot. Hemelytra: Embolar margins nearly parallel on basal half, equal in width to base of pronotum, apical half with margin flaring to widest (1.53 mm.) just before cuneal fracture; from anterior to posterior silvery line, cinnamon fulvous in color as in amoenus, shaded with fuscous on anterior side bordering anterior silvery line, also a dusky spot at base of clavus, minutely golden pubescent; posterior silvery band broken into three spots, silvery bar on clavus directed somewhat obliquely distad; piceous and polished behind posterior silvery band, the cuneus included. Cuneus and membrane nearly as in furvus, the blackish opaque cloud larger and involving nearly all of larger areole. Legs: Dark brownish black, tibiae uniformly colored as the femora, apical half of hind coxae, and the trochanters, white; two basal segments of tarsi, tips of femora, spot on front of anterior coxae, and middle trochanters, pale. Venter: Similar to furvus, apparently the sides never with silvery, scale-like pubescence. Holotype: Female, 12 July, 1909, Washington, D. C. (O. Heidemann) ; Cornell Univ. collection. Pilophorus vanduzeei Knight, new species. Male: Length 5 mm., width 166mm. Head: Width 1.25 mm., vertex .66mm., from tip of tylus to basal margin of head I.IImm.; sharp basal margin of vertex beset with six black bristles, front sparsely clothed with silvery, deciduous, scale-like pubescent hairs, and interspersed with erect bristles. Rostrum, length 2.27 mm., scarcely attaining hind margins of middle coxae. Antennae: Segment i, length .44mm., thickness .1I mm.; U, 2.22 mm., gradually thickened from base toward apex (.15 mm. thick), dark brownish black, clothed with short black pubescence ; iii, £0 mm., thickness .o8 mm., uniformly black; iv, .72 mm., pale, infuscated apically. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 541 Pronotum: Length .94mm., width at base 1.53 mm., anterior angles .83 mm.; anterior half of disk sparsely clothed with silvery, deciduous, pubescent hairs similar to those on front of head. Scutellum with apical half and slender lateral margins flat, abruptly convex on basal half but flattened basally, flattened apical half more or less covered with silvery, scale-like pubescence. Hemelytra: Dark fusco-brownish, opaque anterior to posterior silvery line, basal half with a silvery sheen apparent in certain lights; beset with erect, short black bristles; posterior silvery line nearly straight, slender, behind this distinctly polished, apex of clavus included. Membrane uniformly darkened with fuscous, an opaque black cloud bordering apex of larger areole. Legs: ‘Uniformly brownish black, a pale spot on anterior aspect of front coxae near base; hind tibiae strongly flattened and dis- tinctly curved. Venter with a patch of silvery, scale-like pubescence laterally on third segment. Female: Length 5.3mm., width 1.8mm.; very similar to the male but antennal segment i11 perceptibly thicker (.10 mm. thick), nearly equal to thickness of segment 1. Breeds on Pinus resinosa. Holotype: Male, 11 July, 1920, Taghanic, N. Y. (H. H. Knight) ; author’s collection. Allotype: same data as the type. Paratypes: Males and females (16), taken with the types on Pinus resinosa. MASSACHUSETTS —Female, 15 July-6 Aug., 1918, Woods Hole (Chris E. Olsen). P. uhleri Knight, new species. Closely related to the preceding species but differs in color and thickness of antennal segment 111i, in having patches of silvery scale-like pubescence on sides of fourth and fifth abdominal seg- ments, and by the fact that the hind tibiae are not so distinctly compressed. Male: Length 5mm. Head: Width 1.14mm., vertex .53 mm., from tip of tylus to vertex .94mm.; front without silvery scale- like pubescence. Rostrum, length 1.8mm., nearly attaining hind margins of middle coxae. Antennae: Segment i, length .38mm., thickness .10mm.; U1, 1.86mm., gradually thickened apically (.14mm. thick); i, .66 mm., thickness .06 mm., pale, apical half infuscated, sometimes the whole segment tinged with pink; iv, .61 mm., pale, apex dusky. Pronotum: Length .83 mm., width at base 1.44 mm.; uniformly black, beset with black pubescence but devoid of silvery scale-like hairs. Scutellum nearly as in vanduzeei but with sides and base thickly covered with silvery, scale-like pubescence. Hemelytra: Very similar to vanduzees but the posterior silvery line distinctly broader. Legs: Hind tibiae slightly compressed but not distinctly flattened as in vanduzees. Venter: With a distinctive patch of silvery, scale-like pubescence on the sides, extending obliquely across segments 3-6 inclusive. 542 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. - [Bull. Female: Length 4.8mm., width 1.77mm.; very similar to the male but slightly more robust; antennal segment ii, length 2.15 mm., greatest thickness .166 mm., segment iii pale, apical half infuscated. Breeds on Larix laricina and Pinus sylvestris. Holotype: Male, 30 June, 1920, Ithaca, N. Y. (H. H. Knight); author’s collection. Allotype: same data as the type. Paratypes: New Yorx— Males and females (12), 14 July, 1916, Batavia; female, 27 June, males (2) and females (2), 30 June, males (2), 2 July, male and females (2), 5 July, males (2) and females (2), 8 July, Ithaca (H. H. Knight). Male, 4 July, 1919, White Plains (J. R. T. Bueno). OntTarto—Female, 15 July, 1914, Ottawa (G. Beaulieu). P. crassipes Poppius. | Ann Soc. Ent. Belg., Iviii, 242, 1914. Male: Length 5.1mm. Head: Width 1.06 mm., vertex .50 mm. Antennae: Segment i, length .39mm.; 11, 1.94mm., gradually thickened apically (.13 mm. thick), dark fusco-brownish, apical half black; 111, .66mm., pale, infuscated at apex; iv, .61 mm., pale fuscous. | Front of head and the pronotum clothed with fine silvery pubes- cence while that on the hemelytra is more nearly golden; scutellum clothed with silvery, scale-like pubescence, more thickly on basal angles and apex; hemelytra polished behind posterior silvery line but rather thickly clothed with recumbent golden pubescence; posterior tibiae distinctly compressed ; venter with an oblique patch of silvery, scale-like pubescence on sides of segments 3-6 inclusive. Female: Length 5 mm., width 1.61 mm.; antennal segment ii, length 2.19mm., greatest thickness .166mm., more distinctly thickened on apical one-third than in the male. Breeds on Pinus strobus. New Hampshire, New York. P. amoenus Uhler. Ent. Amer., ili, 30, 1887. Male: Length 5mm., width 1.64mm.; hemelytra anterior to posterior silvery line, cinnamon fulvous in color, distad of this, polished and piceous; posterior silvery line nearly straight, not interrupted on corium; hind tibiae distinctly compressed. Antennae: Segment i, length .39mm., fuscous; 1, 1:63am. greatest thickness .12 mm., gradually thickened from base toward apex, black, fusco-brownish on basal half; 111, .72mm., slender, pale; iv, .64mm., pale, dusky on apical half. Female: Length 4.8mm., width 1.7mm.; very similar to the male in structure and coloration. Antennae: Segment i, .39 mm. ; ii, 1.72mm., greatest thickness .14 mm., slightly thicker on apical half than in the male; iii, .72mm., pale; iv, .64mm., pale, dusky apically. Breeds on Pinus virginiana. Massachusetts, Long Island, N. Y. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 543 P. laetus Van Duzee. Proc. Cal. Acad. Sci., ser. 4, viii, 294, 1918. Male: Length 3.7mm., width 1.27mm.; coloration similar to that of amoenus; posterior silvery line interrupted on corium. Antennae: Segment i, length .28mm., brownish; ii, 1.39 mm., slender, pale, abruptly clavate (.13 mm. thick) and black on apical one-third; iii, .53 mm., pale, dusky at apex; iv, .55 mm., dusky. Female: Length 3.7mm., width 1.33 mm.; very similar to the male in structure and coloration, but clavate portion of antennal segment 11 very slightly thicker (.15 mm. thick). Breeds on Pinus virginiana. Allotype: Male, 10 Aug., Washington, D. C. (O. Heidemann) ; author’s collection. Pilophorus juniperi Knight, new species. Very similar to Jaetus but darker in coloration; differs in the shorter and more gradually thickened antennal segment ii, and by the narrower head. Male: Length 3.7 mm., width 1.3mm. Head: Width .g1 mm., vertex .49mm.; dark brownish black, more brownish below. Rostrum, length 1.06 mm., attaining middle of intermediate coxae, brownish black. Antennae: Segment i, length .28mm., brownish; ii, 1.11 mm., gradually thickened from middle toward apex (.10 mm. thick), in length not equal to distance between tip of tylus and base of pronotum, brown, apical half black; 111, .44mm., pale, infuscated apically; iv, .42mm., infuscated. Pronowm: ~Wencth .71 mm., width at, base 1.11 mm.; dark brownish black, sides more gradually sulcate than in laetus. Scutellum nearly as in laetus but not so strongly convex on disk. Hemelytra: Nearly as in Jaetus but darker in color. Membrane blackish on basal half, pale fuscous on apical half and bordering cuneus. , Legs: Dark fusco-brownish, distinctly darker than in laetus. Venter: Dark brownish black, each side with a patch of silvery hairs on segments 3-5 inclusive. Female: Very similar to the male in structure and coloration. Breeds on Juniperus virginiana. Holotype: Male, 18 July, 1915, White Plains, N. Y. (J. R. T. Bueno) ; author’s collection. Allotype: same data as the type. Paratypes: Mary- LAND—Female, June, 1913, Forest Glen; male, 30 June, 1905, Plummers Island (O. Heidemann). MassacHusetrs—Male, 15 July-6 Aug., 1918, Woods Hole (C. E. Olsen). Minnesora—Males and females (17) 20 July, 1920, Gray Cloud Island, Ramsey County (H. H. Knight), collected on Juniperus virginiana. NEw JERSEY—Female, 25 July, 1911, Bear Swamp, Ramapo Mts. (Wm. T. Davis). Nrw Yorx—Males (2), 18 July, male, 24 July, male and female, 27 July, White Plains (J. R. T. Bueno), collected on Juniperus virgimana, 544 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. P, perplexus Douglas and Scott. Pilophorus perplexus Douglas and Scott, Ent. Mon. Mag., xii, 101, 1875. Saunders, Hem. Het. Brit. Isds., 265, 1802. Male: Length 4mm., width 1.38mm.; hemelytra nearly uni- formly brown, clothed with minute golden pubescence ; very similar to brunneus but distinguished by the continuous, transverse pos- terior silvery band; scutellum, thorax, and head, dark brown to blackish. Antennae: Segment i, length .30mm., brownish; ii, 1.44mm., scarcely thicker (.0og mm. thick) than segment i, slightly more slender on basal one-third, brownish, dark brown on apical half, minutely pubescent; 11, .58mm., pale, apical half infuscated ; iv, .53 mm., infuscated, pale at base. Female: Length 4 mm., width 1.5 mm.; very similar to the male but slightly more robust. Antennae: Segment i, length .30 mm. ; ii, 1.47 mm., greatest thickness .1I mm., gradually thickened from base toward apex; ill, I.1I mm.; iv, .50mm.; colored similarly to the male. In New York the writer collected specimens on goldenrod (Solidago). Specimens upon which this record is based have been compared with European material of perplexus D. & S. and found to be identical. The writer also has at hand European specimens of cinnamopterus Kirsch but as yet no American representatives have been examined. Storrs, 5, Aue. 1020; CM.) P.:Z.): P. brunneus Poppius. Ann. Soc. Ent. Belg., lviii, 244, 1914. Male: Length 4 mm., width 1.37 mm., from tip of tylus to basal margin of pronotum 1.38 mm.; very similar to walshs but slightly larger and darker colored, more nearly the size and color of perplexus but the silvery line on clavus dislocated and set slightly forward. Antennae: Segment i, length .28 mm., fusco-brownish ; ii, 1.47mm., dark brownish, more nearly black at apex; 111, 61 mm., fuscous, basal one-fourth pale; iv, .61mm., fuscous, narrowly pale at base. Female: Length 3.6mm., width 1.36mm., from tip of tylus to basal margin of pronotum 1.33mm.; more robust than the male but similar in coloration; antennal segment 11, length 1.33 mm., slightly thicker toward apex but scarcely exceeding thickness of segment 1. Occurs on Salsx. New York. P. clavatus (Linnaeus). Cimex clavatus Linnaeus, Syst. Nat., Edn. 12, i, 729, 1767. Reuter, Hem. Gymn., Eur., iv, 114, tab. 4, fig. 3, 1801. Male: Length 4.6mm., width 1.53 mm., from tip of tylus to basal margin of pronotum 1.5mm.; brownish black, hemelytra + bene mae OP 2 Oar nae No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 545 brown, clavus darker than corium except bordering claval suture. Antennae: Segment i, length .33mm., fusco-brownish; ii, 1.75mm., greatest thickness .11 mm., gradually thickened from base toward apex, slightly exceeding thickness of segment i, dark brownish black, more nearly black on apical half; iii, .66mm., fuscous, more nearly pale on basal half; iv, .39mm., fuscous, paler at base. Female: Length 4.6mm., width 1.67 mm., from tip of tylus to basal margin of pronotum 1.55 mm.; very similar to the male in form and coloration; antennal segment ii, length 1.75 mm., thick- ness and coloration similar to that of male. Occurs on Quercus. New York, Minnesota. Tribe SYSTELLONOTINI. Sericophanes Reuter. S. heidemanni Poppius. ge rhe ocellatus Osborn, Proc. Iowa Acad. Sci., v, 238, fig. 16, 1808. Sc UAUlnes heidemannt Poppius, Ann. Soc. Ent. Belg., Iviii, 260, 1914. Sericophanes noctuans Knight, Ent. News., xxviii, 4, 1917. Male: Length 3.4mm., width I1mm.; color dark chestnut to black, legs yellowish brown, tibiae darker, posterior coxae pale; antennae yellowish brown, darker on segments 111 and iv, segment iv slightly compressed; hemelytra velvety brown, darker on base of clavus, two transverse irregular silvery sheen bars over the brown, a cream-colored round spot on the clavus just beyond scutellum; membrane lightly infumed, pale bordering apical one- third of cuneus. Female: (brachypterous): Length 3.1 mm., width of abdomen .97 mm.; ant-like in form, yellowish brown, prothorax subglobose ; hemelytra much reduced, only reaching to base of third abdominal tergite, cream-colored spot present just beyond scutellum; abdo- men nearly subglobose, pleural margin prominent, segments 4-7 dark brownish to piceous, paler beneath bordering ovipositor. Macropterous and brachypterous females are described and figured by Osborn (1898) ; found to occur on grassy ridges. Males are frequently collected at light. In New York, Dr. C. P. Alexander reports this species as flying up in large numbers from the grass after sundown. New Haven, 26 July, 1910, 30 May, 1911, 28 June, 7 July, 1920 ee. Hi. W.). Subfamily Muir1nae. Key to Genera. 1. Pronotum distinctly swollen at the middle, as wide there or wider RUEAAT At LUM MUNI EMS WR IN Pe eee eos ek ele Sk gee oe 4 ace ees es | ie Pronotum widest at the base, not noticeably swollen at the middle 3 18 546 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. 2. Antennal segment i shorter than width of vertex; pronotum not extending back to basal angles of hemelytra; base of scutellum poorly, defined) jer Secu tied. ee Ae ae ae ee (p. 546) Pithanus Antennal segment i, in length, greater than width of vertex; pro- notum extending back to basal angles of hemelytra; hemelytra usually depressed near base and tip of scutellum, arched over middle iat abdomen 1... eii oi. ene (p. 546) Mimoceps 3. Head strongly exserted, eyes placed near middle and thus far removed from anterior margin of pronotum ....... (p. 547) Collaria | Head not or only slightly exserted; eyes usually in contact with | pronotum or nearly. so’)... och 3.5. kee ee eee 4 4. Pronotum impunctate or nearly so .............0)002 eee 5 Pronotum coarsely and deeply punctured ..........:2)..0eeee 5. Antennal segments clothed with very fine pubescence; body nearly glabrous, at most with very short pubescence .................. Antennal segments thickly covered with erect black hairs; body covered with fine long erect pubescence; eyes slightly removed from anterior angles of pronotum! 2: 1.): 4... dee See (p. 547) Miris 6. Head short and greatly flattened, front scarcely protruding beyond base of antennae; median sulcus of head replaced by a broad and shallow basin; antennal segment i slender and curved, thick- est near base, tapering to slender then slightly enlarged at apex (p. 547) Teratocoris Head long and pointed, front projecting sharply beyond base of . antennae; median sulcus deep; antennal segment i not so long ; and Jattentate 2s theaboveisnouceus.ceetecies S (p. 548) Trigonotylus 7. (4) Segment i of antennae with very short pubescence, practically glabrous; pronotum and scutellum sparsely covered with deep PUIRCLEEGS. Cte Cai te hi eS hE a ee (p. 549) Mesomiris Segment i of antennae thickly covered with long pubescent hairs; punctures of pronotum and scutellum deep and closely placed ... (p. 549) Stenodema a, Pithanus Fieber. P. maerkelii (Herrich-Schaeffer). Capsus maerkelii Herrich-Schaeffer, Wanz. Ins., iv, 78, fig. 406, 1839. Saunders, Hemip. Het. Brit. Isds., 219, pl. 20, fig. 1, 1892. Length 3-3.8mm., width hemelytra 1.2mm., width abdomen 1.5mm.; black, lateral margins of the short hemelytra and apex of first antennal segment pale; legs and rostrum chiefly yellowish brown, darker spots evident on the femora. Occurs on grasses. Maine, Long Island, N. Y. Mimoceps Uhler. M. gracilis Uhler. Trans. Md. Acad. Sci., i, 85, 1890. Length 4mm., width 1.2mm.; black, legs, rostrum, and anten- nae, reddish yellow, paler at the joints; hemelytra shorter than the abdomen, yellow at base, black bar on the middle and pale apically. Occurs on sedges. New York. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 547 Collaria Provancher. C. meilleurii Provancher. Nat. Can., iv, 79, 1872; Pet. Faune Ent. Can., iii, 102, 1886. Length 6-7 mm., width 1.7mm.; black, front of head shining ; legs yellowish brown, femora with small black spots; hemelytra yellowish translucent, clavus and irregularly on apical half of corium, fuscous to black; calli strongly convex, nearly as high as the base of pronotum; posterior angles of pronotum with two opaque black spots but scarcely noticeable on the black back- ground; antennae longer than the body. Occurs on Calamagrostis canadensis and other grasses in damp situations. Colebrook, 21 July, 1905 (H. L. V.). C. oculatus Reuter. Ofv. Kongl. Sv. Vet.-Akad., xxxii, No. 9, 61, 1876. Length 6-6.8 mm., width 1.7 mm.; brownish with fuscous; very similar to meileuru but the calli less convex and the opaque black spots prominent on a brown background; hemelytra chiefly brown. Occurs on grasses in dry sandy meadows. Cheshire, 8 ae 1904 (H. L. V.) ; New Haven, 1 June, 1904 (W. E. B.); Sjmiy torr (6B. H. W.). , Miris Fabricius. M. dolabratus (Linnaeus). (PI. xvi, 23.) Cimex dolabratus Linnaeus, Syst. Nat., Edn. 10, i, 449, 1758. Saunders, Het. Brit. Isds., 227, pl. 20, fig. 10, 1892. Length 7.3-8.5 mm., width 2.4mm.; pale greenish with fuscous and black; brachypterous females common; pronotum with two black stripes which run over the scutellum; vestiture of fine long erect pubescence; males frequently with hemelytra tawny brown. Food plants: Blue grass (Poa pratensis), timothy, and fre- quently other grasses. Branford, 27 June, 19004 (H. L.-.V.); Brooksvale, 30 June, 10902 cw. H. B.); New Haven, 16, 24 June, 1902 (E. J. S. Moore); 8 June, een. B.) > 9 June, 1914 (Q: S. Lowry); 1 July, 19014 (M. P. Z.). Teratocoris Fieber. T. discolor Uhler. Ent. Amer., iii, 68, 1887. Length male 4.8mm., width 1.2mm.; female, length 6.2 mm., width 1.6mm.; fuscous to black, with basal angles of pronotum, base of hemelytra and full length of embolium, pale or greenish; legs and antennae reddish; female with hemelytra and venter much paler than in the male, only slightly fuscous along the claval 548 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. suture and inner angles of the corium; hemelytra sometimes reddish to fuscous. Occurs on sedges; frequently attracted to lights. Massachusetts, New York. T. paludum J. Sahlberg. Acta Soc. Faun. Fl. Fenn., i, 28, 1875. Length 5.2-5.6mm., width 1.2-1.5mm.; green; antennal seg- ment 1 except basally, and segment ii, red, segments iii and iv fuscous; hind tibiae red, apices of femora more or less red. Occurs on Carex vesicaria in Finland; also taken on the same plant in Minnesota by the writer; frequently attracted to lights. Minnesota, New York. Trigonotylus Fieber. Key to Species. 1. Head not distinctly elongated between the eyes and base of anten- nae; eyes usually prominent as seen from above, oval or nearly routdy ...o deni ay (ERC Re 2 Head distinctly elongated between front margin of eyes and base of antennae, the sides at this point parallel; eyes as seen from above not at all prominent, distinctly longitudinal. Very small slender species, hind tibiae and tarsi reddish, antennae pink confusus 2. Apices of posterior tibiae, and the tarsi, black ..... 7 Sa tarsalis Apices of posterior tibiae not black, tarsi usually reddish ........ 3 3. Antennal segment i, in length, not greater than distance between basal margin of pronotum anda line drawn through middle of EVES he es lw eae dees) ws ar ayoce sokinl ae byaqavil = \ede:.0 ee eer 4 Antennal segment i longer, length equal to distance between basal margin of pronotum and a line drawn through point of insertion of antennae; eyes elongate oval; pronotum with four longitudinal pale orange stripes, the same often noted on the scutellum and emelytray ose os eens vb oa wes be eee ie See uhleri 4. Hind tarsi with segment i slightly longer than remaining two united (measured on ventral surface) ; pronotum usually with longitudi- nal fuscous stripes; antennae reddish (at least ordinarily) ruficornis Hind tarsi with segment i slightly shorter than remaining two. united; body and antennae uniformly pale ................ brevipes T. confusus Reuter. Acta Soc. Sci. Fenn., xxxvi, No. 2, 6, 1909. Length 4.3-5 mm., width .7 mm.; well described in the key. Maryland. T. tarsalis Reuter. Ofyv. Kongl. Sv. Vet.-Akad. Forh., xxxii, No. 9, 60, 1876. Length 5.4-6.2 mm., width 1.5 mm.; pale green to bright green; apices of posterior tibiae, and the tarsi, black; antennae usually reddish from middle of segment ii to apex of segment tv. Breeds on slough grass (Spartina michauxtana). Colebrook, 20 July, 1905 (W. E. B.). No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 549 T. uhleri Reuter. Ofv. Kongl. Sv. Vet.-Akad. Forh., xxxii, No. 9, 60, 1876. Length 6.2-7.5mm., width 1.5mm.; species well described in the key. Stratford, 29 June, 1908 (W. E. B.); 9 July, 1920 (B. H. W.); Wood- mont, 9 July, 1904 (P. L. B.). T. ruficornis (Geoffroy). Cimex ruficornis Geoffroy in Fourcroy, Ent. Paris., 209, 1785. Douglas and Scott, Brit. Hemip., 290, 1865. Length 5.5-6mm., width 1.2mm.; usually distinguished by having the antennae reddish from base to apex; pronotum usually with four fuscous stripes with a slender pale line between the two middle stripes. Food plants: Cultivated oats and closely related wild grasses. Branford, 21 June, 1904 (H. L. V.) ; Colebrook, 20 July, 1905 (W.E. B.). Mesomiris Reuter. M. curtulus Reuter. Acta Soc. Sci. Fenn., xxxvi, No. 2, 4, 1900. Length 5-5.5mm., width 1.5mm.; yellowish brown to dark brown; dorsum rather sparsely punctured with deep coarse punc- tures; antennae with very short fine pubescence; antennae, legs, and venter, sometimes with reddish brown. New Haven, 25 July, 1919 (M. P. Z.). Stenodema Laporte. S. trispinosum Reuter. (PI. xvi, 22.) Ofv. Finska Vet.-Akad., Forh., xlvi, No. 15, 3, 8, 1904. Length 7-7.5mm., width 1.7mm.; pale yellowish to greenish, hemelytra sometimes bright green; distinguished by the three spines near apex on posterior margin of hind femora, one of the three spines much reduced in size. Occurs on grasses in moist meadows; adults hibernate. Hamden, 20 May, 1920 (M. P. Z.); New Haven, 10 May (A. B. C.), 30 May (B. H. W. )» I9QII; 6 July, 1904, 16 Oct., 1903 (H. L. V.); Putnam, Penny, 4905 (H..L. V.). S. vicinum (Provancher). Pe, ag. iv, 77, 1872. Length 7 7-5mm., width 1.7mm.; yellowish to greenish with fuscous; femora devoid of spines; a median pale stripe with fuscous each side, extending from tylus back over pronotum and scutellum to the hemelytra ; clavus and inner half of corium dark fuscous to blackish in the male; antennal segment ii, and the apical segments, more or less reddish. Occurs on grasses in moist meadows; adults hibernate. 550 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Branford, 11 May (H. W. W.), 28 July (H. L. V.), 1905; Canterbury, 14 Aug., 1905 (B. H. W.); Cornwall, 29 May (K. F. C.); New Haven, 10 May, 1911 (A. B. C.); 6 July (H. L. V.), 20 July CW. BO BD, aoe Subfamily CapsINaeE. Key to Tribes. 1. Slender ant-like species, abdomen constricted at base; lateral margins of pronotum indistinct, more or less sinuate; hemelytra medially Coarctate .. 2.76.5. ane See ee (p. 655) Myrmecorini Form not ant-like, abdomen not distinctly constricted; pronotum with lateral margins distinct, frequently finely carinate; hemelytra . with embolar margins straight or slightly arcuate .............. 2 2. Ostiolar peritreme small, poorly developed, its dorsal margin scarcely extending dorsad as far as ventral margin of epimeron of mesothorax; tibiae destitute of spines but sometimes strongly nigro-pubescent; body impunctate; pronotal collar broad, strongly convex, width of collar (measured cephalo-caudally) usually as great as width of calli; genae high, head vertical, rarely inclined; segment i of hind tarsi twice as long and thicker thancthe Second Skee NEC At ee see se ee ee (p. 550) Resthenini Ostiolar peritreme prominent, its dorsal margin extending well above ventral margin of epimeron of mesothorax; tibiae bearing rows of spines, sometimes rather fine; dorsum frequently punc- tate; pronotal collar not so broad and prominent as the above; genae of medium height or low, rarely high but in such case the vertex, frons and tylus are sub-confluent in a wide arc, the gula long; segment i of hind tarsi rarely longer than segment ii, but if *so, never thicker than seginent if ..5:.2.--- eo eree (p. 560) Capsini Tribe RESTHENINI. Key to Genera. 1. Stricture of pronotal collar joining base of coxal cleft; head when viewed from the side oblique, gula rather long, oblique ..Opistheuria Stricture of pronotal collar interrupted at side, not joining directly with base of coxal cleft; head short, vertical, gula short, scarcely apparent. 2oedike sale ss nok 2 ee Platytylellus Opistheuria Reuter. Key to Species and Varieties. 1. Pronotum, and ventral surface except genital segments, orange red; scutellum and hemelytra black, embolium and outer margin of ‘clayus and cuneus, orange 16d 540.2. eee typical clandestina (a) Pronotal disk largely black; ventral surface except genital seement, orange red). i wes ocr = 3 ne ie es ee variety dorsalis (b) Pronotal disk largely black; ventral surface chiefly black _ variety ventralis O. clandestina Van Duzee. Pomona Jour. Ent. Zool., vii, 110, 1915. Length 7.4mm., width 3.3mm.; embolar margins distinctly arcuate on apical half; color orange-red, antennae, tylus and front, No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. et scutellum, hemelytra except outer margins, and genital segments, black; legs black, coxae reddish, femora more or less pale at base. New York. O. clandestina var. dorsalis Knight. Bull. Brook. Ent. Soc., xiii, 115, 1918. Length 7.1mm., width 2.8mm.; black; base of head, juga, lora, genae, sides of pronotum, median vitta on basal half of scutellum, and venter except genital segments, orange colored; bases of middle and posterior femora pale to orange. This variety is a pest on lima beans in Louisiana. New York, Ohio. O. clandestina var. ventralis Knight. Bull. Brook. Ent. Soc., xiii, 115, 1918. Similar to variety dorsalis except that the venter is fuscous to black; orange color being replaced by yellowish to pale. New York. Platytylellus Réuter. Key to Species. 1. Length of antennal segment i not equal to width of vertex ..... ae ute Length of antennal segment i equal to or greater than width of EE aN Sallc tao eee lale a 2d el Siew enue a Sa a lite eee eee heen 3 2. Pronotal disk with median red vitta extending to join with red scutellum; antennal segment i, in length, not equal to more than one and one-half times the lateral width of an eye .............. (p. 552) rubrovittatus Pronotal disk without median red vitta; antennal segment i, in length, equal to twice the lateral width of an eye..(p. 553) nigricollis 3. Pronotum uniformly orange or fulvous, hemelytra black ......... 4 Pronotum with black, sometimes bright red but in such case the iemcivira ted or pale on lateral margins, ... 02.6.0... cece ewes 6 4. Scutellum orange-yellow; tibiae clothed with short hairs, length of hairs not equal to thickness of segment; male genital segment PATS ye a5 EC, os ata gal gn) isha 6 aa, 4:'0h sah ale 0 's, She, egalaierahe aed 5 Scutellum black; tibiae thickly clothed with prominent long hairs, length of certain hairs greater than thickness of segment; male genital segment with a prominent tubercle at base of each clasper (p. 557) nigroscutellatus n. sp. 5. Width of pronotal collar slightly greater than width of head; Sere SZ TTT) cs aco ce wpe.s eae. ¢ 5 ate woe aig ee os sms (p. 556) insitivus Width of head greater than width of pronotal collar; smaller, Pe OTM, oc a lk eee eee ss insitivus var. angusticollis n. var. 6. Male with a prominent lateral tubercle near base of left genital clasper; pronotal disk uniformly red, or red and black, in the latter case the black always formed along median line but some- times spreading to cover all but narrow lateral margins;. lateral Meapemerar Meimelyita irequently red ..........0. 000 decease wees 7 Male without tubercle near base of left genital clasper; pronotal disk black, or frequently with red but in that case the red color developing along median line, thus leaving a black ray each side or even reduced to form spot near basal margin; lateral margins of hemelytra sometimes red but in that case the median line of eM 2d oo bana die acre ew held a's Cue a we sg kine oh ae 8 552 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 7. Hemelytra uniformly black; pronotum red, median line of disk, and including the calli, black, thus leaving lateral margins of disk broadly red 024 2 a7 eee ee ee (p. 557) fraternus n. sp. variety discifer n. var. 8. Hemelytra uniformly black .. . «oss... 5..ccuace so. cee 9 (p. 555) circumcinctus 9. Antennal segment i, in length, only slightly greater than width of vertex, not equal to vertex plus one-third dorsal width of an eye; lengtla 7.7 min:, or less. i24 2 ais ale ale ave 6 8 wah ote selene 10 Antennal segment i, in length, equal to width of vertex plus one- third dorsal width of an*eye; length) 7.9mm, ...y. 22.500 (p. 555) rubellicollis n. sp. (a) Scutellum black; collar, xyphus, lower half of propleura, and a short, clearly defined vitta extending from collar back between calli but not beyond middle of disk, orange to PUI so aia she eee si ht Hane ce aca cepa a a ee typical rubellicollis (b) Scutellum with reddish vitta; vitta on median line of prono- tal disk not attaining basal margin of disk ............... variety vittiscutis n. var. (c) Scutellum with orange or reddish vitta; orange colored vitta on median line of pronotal disk extending from collar to Dasal amar cin 2045 a eee oe variety confluens n. var. 10. Head red, tylus, and more or less on juga and lora, blackish; pronotum red, basal half of disk with blackish; surface very finely 2ranglate 0) ck ues: de tees 2 ae ee (p. 554) insignis (a) Venter black, with not more than a red tinge at base; scutel- lum red, lateral margins blackish; pronotal disk with central area red, broadly invading the black but not as a clearly defined) witta io ev evi. ee eee typical insignis (b) Venter red; scutellum black; basal half of pronotal disk | ETE “eyPh apt nels bet N ihe Cds ee aT ayy ok eo variety fraterculus n. var. Head black, basal margin of vertex slenderly red; scutellum black; pronotal collar red but usually blackish above; base of venter red beneath, but the gula never red; surface coarsely granulate .... (p. 553) borealis n. sp. P. rubrovittatus (Stal). Stett.. Ent. Zeit. xxi, 318; 1862. Female: Length 5.3mm., width 2mm.; embolar margins moderately arcuate; surface distinctly granulate; black; head except tylus and eyes, basal segment of rostrum, pronotum except a flaring ray on each side of disk extending from callus to basal margin, scutellum, mesoscutum except outer angles, sternum except cloud each side, pleura, venter except vagina exterior, coxae, femora except narrowly at base and apical one-third, red or orange red. 5 ; 4 4 2 a Sie ee natn No. 34. |] HEMIPTERA OF CONNECTICUT: MIRIDAE. 553 Head: Width 1.12mm., vertex .59 mm., lateral width of eye 31mm. Antennae: Segment i, length 49 fam. 3.1, T54 mim:. tapering slightly thicker toward apex; iii, 1.14 mm. ; iv, .68 mm. Male: Length 5 mm., width 1.7 mm.; very similar to the female in coloration, antennal segment ii slightly thicker and more nearly cylindrical. Head: Width 1.08mm., vertex .51mm. Antennae: Segment i, length .44mm.; i, 1.71 mm., cylindrical, nearly as thick as segment i; iii, 1.26mm.; iv, .81 mm. Originally described from a single male specimen. _ Allotype: Female, 4 July, 1909, Lakehurst, N. J. (C. E. Olsen) ; author’s collection. Maine, Massachusetts, New Jersey, New York, Nova Scotia. P. nigricollis (Reuter). Oiv. Kongl. Sv. Vet.-Akad. Forh., xxxii, No. 9, 65, 1876. Male: Length 6 mm., width 2.3 mm.; rather coarsely and thickly granulate; black, head except tylus, collar, xyphus and sides of pronotum, scutellum except basal angles, sternum except cloud each side of median line, pleura, venter except beneath on genital segment, red; legs black, coxae and basal one-third of hind femora pale to red. Head: Width 1.14mm., vertex .66mm., lateral width of eye 28mm. Antennae: Segment iN length 58 MM? i) 7 7o nan: ili, 1.14mm.; iv, .cOmm. Female: Length 6.4mm., width 2.6mm.; very similar to the male in coloration. Head: Width 1.17mm., vertex .66mm., lateral width of eye .28mm. Antennae: Segment i, length fee ai, 1-74 MM.; ili, 1.22mm.; iv, .94 mm: Eeeatt 10 Aug., 1918 Be We os eee A july, 1oro. (COMPS 2. y Salem, 10 July, 1914 (H. W. F.). Platytylellus borealis Knight, new species. Related to nigricoillis but distinguished by the longer antennal segment i, and body surface more finely granulate; differs in color by the black scutellum, gula and xyphus, while the base of venter beneath is red. Male: Length 6.6 mm., width 2.3mm. Head: Width 1.24 mm., vertex .64mm.; black, slenderly red at base of vertex. Rostrum, length 2mm., reaching slightly beyond middle of coxae, black. Antennae: Segment i, length .64mm.; ii, 1.86mm., nearly Syletedl st 1.23 mm.; iv; .o1 mm.; black. Pronotum: Length 1.14mm., width at base 1.9mm., collar 1.07mm.; collar, from above lower margin of eye, red, usually invaded with blackish above, a lateral stripe just beneath lateral margins of disk also red; finely granulate, short pubescent, pubes- cence dusky over the dark surface. Scutellum, sternum and pleura, black; ostiolar peritreme very small and inconspicuous, a group characteristic. Hemelytra: Embolar margins only very slightly arcuate on 554 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. apical half; black, opaque, finely granulate, short pubescent. Membrane black, scarcely paler bordering apex of cuneus. ae Black; tibiae with three rows of short spines, pubescence short. Venter: Black, opaque, clothed with rather short pale to dusky pubescence ; first four ventral segments orange or reddish beneath; genital claspers distinctive. Female: Length 6.3 mm., width 2.7 mm.; slightly more robust than the male but very similar in coloration. Head: Width 1.18 mm., vertex .63 mm. Antennae: Segment i, length .67 mam, ; ii, 1,86 mm, ; (111,,.1.33 mim: ; iv, ..97 mm: Holotype: Male, 13 July, 1920, Cranberry Lake, N. Y. (C. J. Drake) ; author’s collection. Allotype: 10 Aug., 1917, type locality (C. J. Drake). Paratypes: Maine—Male, 1 Aug., 1910, Penobscot County (J. A. Cushman). Micu1can—Males and females (14), 6-31 July, 1919, Cheboygan County (E. P. Butler). Mrnnesora—Males (2) and females (3), 10 July, 1920, Morrison County (A. A. Nichol). Males (2), 25 Aug., 1920, Cross River, Cook County (H. H. Knight). NEw Yorx—Male, 5 July, 1920, female, 10 Aug., 1917, Cranberry Lake (C. J. Drake). Male, 3 July, 1904, McLean (A. D. MacGillivray). Norra Daxota—Male, 19 July, male, 2 Aug., male and female, 4 Aug., 1920, Turtle Mts. (T. H. Hubbel). Vermont—Male, 12 July, 1891, Newport (A. P. Morse). ALBerta—Male, 2 July, 1910, Edmonton (F. S. Carr). Ontarto—Males (2), 27 July, Parry Sound (H. S. Parish) ; male, 8 Aug., 1915, Bondville (G. A. Moore). P. insignis (Say). Compl. Writ., 1, 342, 1850. Male: Length 6.7mm., width 2.6mm.; black, opaque, very finely granulate; head red, tylus and more or less on juga and lora blackish; pronotum red, basal half of disk largely blackish but central area of disk red, broadly invading the black but not as a Clearly defined vitta; scutellum red, lateral margins blackish; venter black, with not more than a red tinge at base. Head: Width 1.19mm., vertex .67mm. Antennae: Segment i, length -74mm.; 1, 2.2mm.; 111, 1.54 mm. > -1v; -O7 ae Female: Length 7.6mm., width 2.8mm.; larger and more robust than the male but very similar in coloration. Head: Width 1.21 mm., vertex .38mm. Antennae: Segment 1, length 777 num, . ii, 2.25 Mine j0 tity 1445 mamas iv, 20.03 mina Cheshire, 8 July, 1904 (H. L. V.); Colebrook, 21 July, 1605) (He) Vv) Guilford, 13 July, 1920 (B. H. W.). P. insignis var. fraterculus Knight, new variety. Male: Length 5.1 mm., width 19mm. Head: Width 1 mm., vertex .5I1 mm.; red, tylus blackish. -Rostrum, length 1.69 mm., black, basal segment red. Antennae: Segment 1, length .51 mm. ; ii, 1.Q9mm.; iii, 1.43 mm.; iv, .80 mm. Pronotum: Length .go mm., width at base 1.6mm.; bright red, pronotal disk from just behind calli to basal margin black, with very slight indication of median vitta. Scutellum black; sternum and pleura red. No. 34. ] HEMIPTERA OF CONNECTICUT: MIRIDAE, 555 Hemelytra: Black, very slightly shining; thickly clothed with fine dusky pubescence, hairs recumbent on apical half. Legs: Black; coxae red. Venter: uniformly red; genital claspers black. Female: Length 6.6mm., width 2mm.; slightly larger and more robust than the male but similar in coloration. Head: Width 1.07 mm., vertex .51mm. Antennae: Segment i, length 61 mm.; 11, 2.07 mm.; ili, 1.54mm.; iv, .79 mm. Holotype: Male, 2 Aug., Ann Arbor, Mich. (R. F. Hussey); author’s collection. Allotype: 9 July, 1921, Minnehaha Creek, Hennepin County, Minn. (H. H. Knight). Inp1ana—Male, 26 June, 1903, Crawford County; female, 7 July, 1903, Posey County (W. S. Blatchley). Minnesora—Male, 15 July, 1911, Chisago County. Male, 28 June, 1922, University Farm, St. Paul (H. H. Knight). P. circumcinctus (Say). Compl. Writ., i, 343, 18509. Male: Length 7.1 mm., width 2.7mm.; head red, front and tylus blackish, juga and lora more or less black; pronotum red, calli blackish, a flaring black ray behind each callus and extending to basal margin of disk; scutellum and meésoscutum red, basal angles black; pleura red, sternum reddish but becoming blackish each side of median line; hemelytra black, embolium, outer margin of corium and cuneus, red; legs black, tinged with reddish near bases of femora; venter chiefly red, genital segment and more or less at the sides, becoming black. Head: Width 1.28 mm., vertex .7I mm. Antennae: Segment i, oetee77inim.: ii, 2.34mm.; ii, 1.54mm.; iv, .o5 mm. Female: Length 7.4 mm., width 2.7 mm.; more robust than the male but very similar in coloration. Head: Width 1.2mm., Peeeeeeiaa Antennae: Segment i, length .76mm.; ii, ease. ; ii 1.34 mm.; iv, .1 mm. New Jersey, New York, Massachusetts, Maine. Platytylellus rubellicollis Knight, new species. Male: Length 7.5 mm., width 2.8mm. Head: Width 1.27 mm., vertex .68 mm.; black, base of vertex and bucculae reddish. Ros- trum, length 2.43 mm., black. Antennae: Segment i, length .83mm., thickness .17mm.; 1, 2.54mm., thickest (.12mm.) near base and tapering to slightly more slender at apex, thickly clothed with short black hairs which in length do not equal thickness of segment; 11, 1.52mm.; 1V, .83 mm.; black. . Pronotum: Length 1.43 mm., width at base 2.37mm., collar I.14mm.; calli impressed on basal margin, disk strongly convex ; black, opaque, finely granulate, finely and closely pubescent; collar, lower half of propleura, narrow anterior margin of disk and extending between calli, fulvous to pink. Scutellum black ; sternum and pleura velvety black. 556 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Flemelytra: Embolar margins moderately arcuate on apical half; black, opaque, minutely granulate, finely and closely dusky pubescent. Legs: Black; tibiae clothed with short heavy black hairs, length of hairs not equal to thickness of segment, hind pair with one row of short spine-like hairs on outer surface. Venter: Velvety black; finely pubescent but with longer pubes- cent hairs beneath and bordering caudal margins of segments; genital segment without tubercle. Female: Length 7.7mm., width 2.9mm.; very similar to the male in form and coloration. Holotype: Male, 21 June, 1919, University Farm, St. Paul, Minn. (H. H. Knight) ; Minn. Univ. coll. Allotype: taken with the type. Paratypes: Males and females (38), taken with types. Both adults and nymphs were collected on Scrophularia leporella, but the conditions were such it was not possible to observe the bugs feeding on the plant. P. rubellicollis var. vittiscutis Knight, new variety. Similar to the typical form but having a distinct reddish orange vitta on scutellum; calli becoming red, and the short median vitta extending to near middle of disk. Holotype: Male, 21 June, 1919, University Farm, St. Paul, Minn. (H. H. Knight); Minn. Univ. coll. Paratypes: Males (5) and females (5), taken with the type. Marne—Male, 31 July, 1920, Peaks Island (G. A. Moore). Female, 26 Sept., 1897, Mt. Kineo (F. Eddy). P. rubellicollis var. confluens Knight, new variety. Similar to the typical form but the pink color more nearly orange; the broad orange vitta on scutellum connected with anterior margin of pronotal disk by a distinct orange vitta. Holotype: Male, 24 July, 1920, Peaks Island, Me. (G. A. Moore) ; author’s collection. Paratypes: Matne—Female, 27 July, male, 28 July, female, 31 July, male and female, 4 Aug., 1920, type locality (G. A. Moore). P. insitivus (Say). Compl. Writ., 1, 340, 1859. | Male: Length 8.7mm., width 3.6mm.; black, pronotum and scutellum orange-yellow; surface very finely granulate, opaque, short pubescent; width of collar greater than width of head. Head: Width 1.36mm., vertex .81mm. Width of collar 1.4mm. Antennae: Segment 1, length 1.07 mm. gee nearly cylindrical, length of hairs not equal to thickness of segment; iii, 1.98mm.; iv, .94 mm. Female: Length 8.7mm., width 3.5mm.; very similar to the male in form and coloration. Head: ‘Width 1.41 mm., vertex 81mm. Width of collar 1.44mm. \ Antennae: Segment 1, length 1.02 mm.; ii, 2.85 mm.; iii, 1.86mm.; iv, 87 mm. Lyme, 20 Aug., 1910 (B. H. W.). P. insitivus var. angusticollis Knight, new variety. Color and form very similar to imsitivus but smaller in size, width of head greater than width of collar. ie ° i No. 34. |] HEMIPTERA OF CONNECTICUT: MIRIDAE. 557 Male: Length 6.9 mm., width 2.6mm. Head: Width 1.24 mm., vertex 1.01 mm. Width of collar 1.17mm. Antennae: Segment i, length .76 mm.; 1i, 2.29 mm.; iii, 1.49 mm. ; iv, .QI mm. Female: Length 8mm., width 2.9mm.; similar to the male in form and color. Head: Width 1.26 mm., ‘vertex 74mm. Width of collar 118mm. Antennae: Segment i, length 88mm.; ii, 230mm. ; ii, 1.51 mm.; iv, .92 mm. Holotype: Male, 31 July, 1920, Peaks Island, Me. (G. A. Moore); author’s collection. Allotype: same data as the type. Paratypes: Marine— Male, 29 July, female, 4 Aug., 1920 (G. A. Moore). Platytylellus nigroscutellatus Knight, new species. Suggestive of imsitivus but with scutellum always black; male genital segment with a very prominent tubercle at base of left clasper and with a smaller one at base of right clasper. Male: Length 9.2 mm., width 3.7mm. Head: Width 1.71 mm., vertex .94mm.; black; gula, genae, bucculae, and margins of lora and juga, orange-yellow. Rostrum, length 3.1 mm., extend- ing to slightly beyond hind margins of middle coxae, black. Antennae: Segment i, length 1.19mm., clothed with erect almost pilose hairs, length of hairs not exceeding thickness of seg- ment; ii, 3.43 mm., cylindrical, strongly pubescent, a few erect hairs near base equal to thickness of segment; i11, 1.66mm.; 1Vv, .94 mm.; black. Pronotum: Length 1.89 mm., width at base 2.94mm., collar 1.36mm.; uniformly orange-yellow, finely granulate, clothed with short erect pale pubescence. Scutellum black; sternum blackish, pleura orange-yellow but becoming fuscous on central area of meta-episternum. Hemelytra: Embolar margins very slightly but broadly arcuate ; black, faintly shining, clothed with very fine short pubescence. Legs: Black; tibiae clothed with erect prominent hairs, length of many hairs exceeding thickness of segment, spines not evident. Venter: Black, with a velvety lustre; clothed with erect, fine dusky pubescence; genital segment with a large and prominent tubercle situated just above base of left clasper, and with a second but smaller tubercle near base of right clasper. . Female: Length 9.7 mm., width 3.5mm.; very similar to the male in form and color. Head: Width 1.63 mm., vertex .gI mm. Width of collar 1.4mm. Antennae: Segment i, length 1.14 mm. ; Hoee7 iain.; iii, 1.76mm.; iv, 1.31 mm. Holotype: Male, 26 July, 1916, Ithaca, N. Y. (H. H. Knight); author’s collection. Allotype: 3 Aug., 1914, Batavia, N. Y. (H. H. Knight). Para- types: New York—Female, 1 Aug., 1918, Ithaca (H. Yuasa). Female, July, 1921, Ithaca (P. B. Lawson). PENNsSyLVANIA—Male, 1 July, 1917, Conewago (J. G. Sanders). ; *P. fraternus Knight, new species. Color pattern suggestive of confraternus but size larger, also the 558 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. length of antennal segment i is equal to width of vertex plus one- half dorsal width of an eye. Male: Length 9.4 mm., width 3.5mm. Head: Width 1.56 mm., vertex .86 mm.; red, tylus, front, and vertex, chiefly black; pubes- cent, finely granulate. Rostrum, length 2.85 mm., reaching to middle of hind coxae, black. Antennae: Segment 1, length 1.06 mm., clothed with moderately heavy and slightly reclining hairs which in length about equal thickness of segment; ii, 3.23 mm., thickest near base and tapering to more slender at apex, clothed with short stiff black hairs and fine pubescence, length of longest hairs not exceeding thickness of Sesments ofii,. i715): tye) a 284nm- Pronotum: Length 1.74mm., width at base 2.92mm., collar 1.31 mm.; surface very slightly shining, thickly clothed with short pale pubescence; basal margin of calli distinctly impressed; red, dorsal area of collar, calli except outer angles, and a broad band extending to basal margin of disk, black. Scutellum black; sternum blackish, median line red; pleura red, or becoming dusky. Hemelytra: Embolar margins only slightly arcuate; black, opaque, surface somewhat scabriculous, clothed with short dusky pubescence, hairs somewhat decumbent on apical half. Legs: Black; tibiae thickly clothed with prominent erect hairs, length of several exceeding thickness of segment, spines not evident. Venter: Red, genital segment becoming black; clothed with prominent pale pubescence; genital segment with a large and prominent, erect tubercle just above base of left genital clasper, also another but smaller tubercle directed distad from near base of right clasper. In confraternus the right tubercle is scarcely raised from the segment wall. Female: Length 9.1 mm., width 3.5 mm.; similar to the male in form and color. Head: Width 1.56mm., vertex .87mm. Width of collar 1.30mm. Antennae: Segment i, length 1.02mm.; u, 2mm., clothed with pubescence as in the male but beset with several exserted hairs which in length exceed thickness of segment ; ii, 4.71 am. & WW, 1 24a f Holotype: Male, 2 July, 1917, White Sulphur Springs, W. Va. (Wm. T. Davis); author’s collection. Allotype: 1 Aug., 1914, type locality (W. Robinson) ; author’s collection. Paratypes: ConNEecticut—Female, 25 July, 1920, Portland (B H. Walden). District or CoLtumspia—Male, 22 June, Washington (N. Banks). Micuican—Male, 25 June, female, 28 June, 1919, male, 3 July, 1920, Berrien County (R. F. Hussey). Minnesota— Female, 7 July, 1916, Lake City. New Yorx—Male, 23 June, 1918, Fort Montgomery (F. M. Shott). PENNsyLvaAnria—Male, 4 July, 1920, Enter- line (Champlain). Female, 12 July, 1920, North Bloomfield (F. M. Trimble). NortH CarotinaA—Male, 4 June, Male, 17 June, 1919, Southern Pines (A. H. Manee). P. fraternus var. rubromarginatus Knight, new variety. Not differing structurally from the typical form, but with No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 559 cuneus, embolium, and lateral margins of corium, red like the lateral margins of pronotal disk. Holotype: Male, 1 July, 1919, Berrien County, Mich. (Hubbel and Hussey); author’s collection. Paratypes: New Hampsnire—Male, 12 Aug., 1922, Contoocook. New Yorx—Male, 24 June, 1917, Fort Mont- gomery (F. M. Schott). PENNsytvanta—Male, 20 Aug., 1909, Greely, Pike County, alt. 2300 ft. (Einer Olsen). P. fraternus var. regalis Knight, new variety. Male: Length 8.7 mm., width 3.4mm. Head: Width 1.57 mm., vertex .86 mm.; red, eyes black. Rostrum, length 2.9 mm., nearly attaining hind margins of posterior coxae, brownish black. Antennae: Segment i, length .83 mm., clothed with erect pilose hairs, length of certain hairs equal to thickness of segment; ii 3.09 mm., pubescent, a few hairs near base equal to thickness of segment; ili, 1.69 mm.; iv, 1.23 mm. Pronotum: Length 1.71 mm., width at base 2.6mm., collar 1.28mm.; uniformly bright red, pale pubescent, surface very finely granulate. Scutellum bright red like the pronotal disk; sternum and pleura bright red. Hemelytra: Surface finely rugulose granulate, opaque; black, embolium, outer half of cuneus, and outer margin of corium, pale to bright red. Legs: Brownish black, coxae red; tibiae thickly clothed with long pilose hairs, spines not evident. Venter: Bright red, pale pubescent; genital segment with prom- inent tubercle at base of left clasper, and a smaller one at base of right clasper. Slight differences may be noted between this form and the typical fraternus but until more material is studied, and better structural characters are found, it is perhaps better to use a varietal name. Female: Length 9.5 mm., width 3.6mm.; more robust than the male but very similar in coloration. Holotype. Male, 5 May, 1918, Gainesville, Fla. (C. J. Drake); author’s collection. Allotype: 30 May, 1918, type locality (C.J. Drake). Paratypes: District oF CoLUMBIA.—Female, 4 May, 1884, Washington (O. Heidemann). FLoripA—Female, 5 May, 1918, female, 7 July, 1918, Gainesville (C. J. Drake). New Jersey—Female, 27 June, 1908, Malaga (Wm. T. Davis). VircGinta—Female, 21 June, 1914, Nelson County (W. Robinson). Female and nymph, 19 June, 1906, “Va.” (D. H. Clemons). Norra Carotina— Male, 19 May, Male, 24 May, 1919, Southern Pines (A. H. Manee). P. fraternus var. discifer Knight, new variety. Similar to regalis but the pronotal disk, except lateral margins and calli, black; between calli, and the dorsal area of collar, some- times black, calli always red. Holotype: Female, 6 May, 1912, Lakeland, Fla. (Wm. T. Davis) ; author’s collection. Paratypes: FLortpa—Females (2), 5 May, 10918, Gainesville (C. J. Drake). Marytanp—Female, 26 June, 1882, Blandens- burg (O. Heidemann). Female, 26 June, 1911, Cabin John Bridge (Wm. T. Davis). 560 Io. ie 12. 13. 14. CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Tribe CAPSINI. Key to Genera. . ° . 2 Pronotum impunctate, or with fine aciculate punctures only ...... 9 3 Blbelevspeetesy i). 22 deen PE EY bay tS (p. 571) Capsus Antennal segment ii distinctly thinner at base than apex, some- times sublinear but then distinctly thinner than segment i....... 4 Antennal segment ii linear although noticeably thickened, nearly as thick as segment i, entirely sublinear (male) or slightly anten- nuate toward base (female) ; both segments bearing heavy black PUbESCEMee. Glee ee A Pronotum between calli and anteriorly before collar, punctate ... Pronotum between calli and anteriorly before collar, impunctate, SUDELE VALE ios icy d saraie theyd wie po buahe, duneieaese cm ave ahd esol coach er Lateral margins of pronotum carinate, form more ovate ......... Lateral margins of pronotum ecarinate, form more elongate and Sie-parailel muse uke ek eee: Sua Gen (p. 567) Xenoborus Antennal segment i distinctly thicker than segment ii, both seg- menus Diack: color, red sand iblack. ence (p. 561) Tropidosteptes Antennal segment i slender, scarcely equaling thickness of seg- ment ii at apex; if colored reddish, then antennal segments i and if-pallesor yellowish ey 4. vc DAN Ce Re ae eae (p. 561) Neoborus Frons transversely striolate, dorsum practically glabrous; rostrum attaining base of seventh abdominal segment ....(p. 572) Platylygus Frons nonstriolate, but if so, then the dorsum distinctly pubescent; rostrum rarely extending beyond tips of hind coxae ..(p. 572) Lygus (3) Vertex convex, polished, carina nearly obsolete; form broad and rather convex, distinctly widened behind middle; large red ON woo GIDC ght: eles bre aan Ak Wah ee aN ne tu taille ta ML nc (p. 571) Coccobaphes Vertex with base more flattened, distinctly carinate; body oblong, hemelvtha’ Stiopana lel P02 ofa allan coach oles eee re ee (p. 569) Lygidea (1) Antennal segment i thickened and clothed with numerous flat- feed MNES. yore auhs | coke Ae RL ee A (p. 615) Neurocolpus Antennal segment '1 devoid of flattened hairs ....2... 2.2.2 seers 10 Pronotum with two subexcavated, opaque black spots situated behind the callosities; antennal segment i clothed with long black cess SUE AGRCAIGN PSs evi AN HY Lee, Ree ee (p. 610) Paracalocoris Pronotum without black spots, or if present, superficial and seg- ment i of antennae without prominent long black hairs or setae; length of hairs on antennal segment i rarely exceeding thickness of the: Seamient ) sisted 2/4 tea dees a cies arene = reveals em pean ee eee II Antennal segment ii strongly incrassated, fusiform .............. (p. 615) Garganus Antennal segment ii linear, or only very slightly thickened at tip 12 Hind femora long, extending much beyond tip of abdomen, flat- tened, broadest before middle and tapering to more slender at _ (p. 615) Phytocoris EVER s5.2s! chino 28 walenn aie te ee ene ees aL ena ie eRe: Hind femora shorter, not or scarcely extending beyond tip of Abdomen daha Cu eee ene sd penis & aie ars oily wlbje «n\n s/t «ieee 13 Segment i of hind tarsi shorter than segment 11 ..............+-.- 14 Segment i of hind tarsi distinctly longer than segment iii ........ (p. 614) Stenotus Dorsal surface distinctly pubescent, opaque or nearly so... see 15 Dorsal surface glabrous, highly polished ...........---.-++-200:: 18 a ee ee ee — a ee: No. 34.] . HEMIPTERA OF CONNECTICUT: MIRIDAE. 561 15. Body above and below clothed with silky, sericeous or tomentose PEPIEMERNOG NAL at cee SMA eek pum biked of (p. 598) Polymerus Body clothed only with simple pubescence, never tomentose ....... 16 16. Head broad, eyes practically in contact with pronotal angles, hind margin of eyes sulcate and forming an arcuate line with base of Ra Yd Prettiest ot 2 PAL (p. 597) Dichrooscytus Head not unusually broad, eyes convex behind and well removed MMPMNPeRCIMr ND AEEMOS Ake es a Sites eR Soule. Oa ae a ae eb 7 17. Antennal segment iv at least equal to thickness of segment ii at base; width of collar (measured cephalo-caudally) scarcely greater than thickness of antennal segment iv ................. (p. 610) Adelphocoris Antennal segment iv distinctly thinner than segment ii at base; width of collar (measured cephalo-caudally) distinctly greater fan thickness of Sepment iV o.. ls. bw Saks de (p. 610) Calocoris 18. Rostrum short, scarcely surpassing the anterior coxae ........... (p. 607) Poecilocapsus Rostrum longer, at least reaching to posterior margin of middle ELTURE: a AS: ull a oR eg Eos Pe eae ee OE (p. 607) Horcias Tropidosteptes Uhler. T. cardinalis Uhler. Proc. Gost. Soc. Nat. Hist., xix, p. 404, 1878. Length 5.5 mm., width 2.6mm.; bright red; antennae, tylus, legs except apices of front and middle femora, hemelytra for a space either side of the commissure, and membrane, black. Food plant: White ash (Fraximus americana), and occasionally other ash trees; occurs most frequently on young ash trees. Hamden, 28 May, 1o1r (B. H. W.), 9 June, 1915 (Q. S. L.); Lyme, 16 June, 1918 (M. P. Z.); Meriden, 3 June, 1910 (W. E. B.); New Haven, ajone rood (8B. H. W.); North Branford, 8 June, 1907 (B. H. W.); Yalesville, 27 June, 1907 (B. H. W.). Neoborus Reuter. Key to Species. MEET practically SlADFOUS Liss. . e. LS. Oa cae balk cade 2 Marcumrpatronely. puvescent Or hairy! os. sees is. Ledeeios wa mse ks 5 2. Rostrum not extending beyond posterior margin of sternum ...... 3 Rostrum attaining hind margins of middle coxae; line bordering outer margin of radius, widening apically, and curving mesad Memes aici! area or cori black’ ).'s6Ps02a4 ia. bad aise palmeri 3. Antennal segment i pale, rarely somewhat dusky ................. Antennae brownish black; scutellum brownish black, basal angles pale; hemelytra brownish black to piceous, basally on corium and embolium and extending farther along radius, pale or yellowish glaber n. sp. 4. Dorsum uniformly black, cuneus pale except apically; sometimes. Mabtaemll pale spot at base Of Coriuml 3.)0.25 0.5.5. geminus Dorsum more or less pale, frequently marked with red, scutellum aiwaua wit some pale or yellows: ..2..5 os <0M es debe ees oes amoenus (a) Chiefly pale, apical area of corium, and frequently marks | on pronotum, reddish; membrane pale ..... variety amoenus typical (b) Chiefly blackish, lateral and median vittae on pronotal disk, scutellum except basal angles and median line at base, and corium 562 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. more or less, pale:..membrane pate, 0 variety si (c) Chiefly black, cuneus and sometimes narrow base of inane pale; scutellum pale yellowish; membrane pale fumate, paler bordering apex of .cumeusi-.2. 2 2, oo ee variety scutellaris Antennal segment i blackish «2s: 2% .i/c ose dae sooo blackish with median line paler; frequently with clavus bordering scutellum, and apical area of corium, fusco-brownish, but cuneus always yellowish translucent) «sco scr cc ace cine canadensis larly:to thescoriiuein cde bah35.152r) bo ee ee ae rufusculus n. sp. Dorsum more or less pale, scutellum always with yellowish ....... Dorsum uniformly black, cuneus clear, legs pale ............. tricolor 8. Scutellum with median line black and extending from base to apex; (female) embolium and outer margin of corium blackish while inner apical angle of corium remains testaceous . ...vittiscutis n. sp. Scutellum yellow, sometimes dark at middle of base but never with median line black; (female) inner apical angle of corium black while the embolium remains chiefly pale ................. pubescens N. geminus (Say). Compl. Writ., i, 344, 1850. Length 4.8-5.3 mm., width 2.2mm.; deep black, shining; legs, antennal segment i and base of ii, cuneus except apex, pale; front of head usually marked with pale. Food plants: White ash (Fraxinus americana). Usually occurs with amoenus during June. Eastford, 12 June, 1919 (B. H. W.). N. amoenus (Reuter). Acta Soc. Sci. Fenn., xxxvi, No. 2, 48, 1909. Length 4.3-5 mm., width 2mm.; pale yellowish, marked with reddish and fuscous, and sometimes with black; pronotum with five to seven fuscous or reddish rays, clavus and apical area of corium marked with bright red, sometimes tinged with fuscous; apex of antennal segment ii, and sometimes iii and iv, fuscous. Food plants: White ash (Fraxinus americana) and red ash (F. pennsylvanica), especially the latter. Nymphs occur on the trees from May to September; apparently two broods. New Haven, 28 Sept., 1905; 4 Aug., 20 Sept., 1920 (B. H. W.). N. amoenus var. signatus (Reuter). Acta Soc. Sci. Fenn., xxxvi, No. 2, 49, 1900. Pronotal disk black, median line, slender basal and lateral mar- gins, calli except for transverse mark, line leading from outer margin of callus to basal margin of disk, and a second short vitta just behind the callus, yellowish; scutellum yellowish, basal angles, small mark at middle of base, and the mesoscutum, blackish; clavus and corium blackish, or merely tinged with red, pale yellow- ish along claval vein and corium just inside of radius from base to about middle; cuneus pale translucent, dusky at apex; membrane No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 563 pale fuscous, veins and within larger areole, darker, paler bordering inner margin of cuneus. New York. N. amoenus var. scutellaris (Reuter). Acta Soc. Sci. Fenn., xxxvi, No. 2, 49, 1900. Dorsum piceous black, cuneus and small spot near base of corium, pale translucent; scutellum yellow, mesoscutum black; membrane pale, fuscous at base and on veins. New York. N. palmeri (Reuter). Sage Eni. xl, 112, 1908. Length 5.7mm., width 2.4mm.; pale yellowish with a brown shellac-like gloss; calli with a transverse mark, line along lateral margin of pronotal disk, and usually a second one parallel to it, line along outer margin of radius which widens apically and crosses the corium to inner angle of cuneus, fuscous to black; in pale specimens the black color showing only on the corium; sides of pleura frequently black; antennal segments iii and iv, and apex of ii, fuscous to black. Food plant: Fraxinus americana, and probably other ash trees. New Haven, 28 Sept., 1905 (B. H. W.); Washington, 24 June, 19014 (Mrs. G. Vaillant). *Neoborus glaber Knight, new species. In coloration suggestive of canadensis but differs in the glabrous surface of the dorsum. Male: Length 4.6mm., width 1.9mm. Head: Width 1.04 mm., vertex .43mm.; yellowish, tylus, front each side of median line, joining above and sometimes transverse line between, brownish black. Rostrum, length 1.08mm., reaching to middle of inter- mediate coxae, yellowish, apex black. Antennae: Segment i, length .53mm., brownish black; 1, 1.6mm., brownish to dark fuscous, cylindrical, nearly equal to thickness of segment 1, finely pale to dusky pubescent; 111, .51 mm., slender, fusco-brownish; iv, .38mm., fusco-brownish. Pronotum: Length .93 mm., width at base 1.57mm.; glabrous, shining, coarsely punctate, lateral margins sharply defined but not prominently carinate; yellowish testaceous, propleura except line just below dorsal margin, calli, a large flaring ray behind each callus and extending to subbasal margin, brownish black, leaving median line more or less broadly and the slender basal margin yellowish. Scutellum brownish black, basal angles yellowish, coarsely punctate and transversely wrinkled ; a minute short pubes- cent hair may be observed set in each coarse puncture ; mesoscutum moderately exposed, dark brownish to blackish. Sternum and pleura brownish black, ostiolar peritreme pale. Hemelytra: Embolar margin slightly sinuate, widest between middle and cuneal fracture; brownish black to piceous, shining, 564 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. coarsely and rather closely punctate, glabrous or with only a minute pubescent hair set in pit of coarse punctures; base of corium and embolium, and extending for a space along radius, yellowish testaceous ; cuneus yellowish translucent, apical half and extending along inner margin to basal angle, fusco-blackish. Membrane and veins uniformly fuscous, a small pale spot bordering apex of cuneus. Legs: Pale to yellowish, femora with two subapical brownish bands, obsolete on anterior pair; tibiae with brownish streak on knee; tarsi fuscous. Venter yellowish, two subdorsal lateral lines dark brownish, genital segment brownish; finely pale pubescent, more prominent on genital segment. Female: Length 4.8mm., width 2.2mm.; more robust than the male and usually more broadly pale; basal half of corium and more than basal half of cuneus, yellowish; antennal segment ii, length 1.2mm., slender at base, gradually thickened apically but not attaining thickness of segment 1. Holotype: Male, 24 June, 1915, Batavia, N. Y. (H. H. Knight) ; author’s collection. Allotype: 27 June, 1920, Ithaca, N. Y. (H. H. Knight) ; author’s collection. Paratypes: CoNNEcTICUT—Female, 22 June, 1920, Orange (M. P. Zappe). MicHicaNn—Female, 28 June, 1920, Washtenaw County (R. F. Hussey). New Hampsuire—Female, 18 June, 1912, Bretton Woods (C. W. Johnson). New Yorx—Female, 7 June, 1914, Ithaca (H. H. Knight). Females (2), 3 June, 1918, Ithaca (H. H. Knight). NortH Daxota—Female, 11 July, 1922, Fargo (R. L. Webster). OHto—Male, 18 June, 1917, Tiffin (C. J. Drake). Soura Daxora—Male, 1 June, 1921, Brookings (H. C. Severin). Onrarto—Males (2), 11 June, 1920, Ottawa (J. McDunnough). Neoborus rufusculus Knight, new species. Male: Length 4.6mm., width 1.86mm. Head: Width 1.07 mm., vertex .36 mm. ; vertex narrower and carina more promi- nently developed than in canadensis; yellowish, tylus, median line of front and joining arc above, and juga except sutural margins, blackish. Rostrum, length 1.28mm., only attaining middle of intermediate coxae, yellowish, apex black. Antennae: Segment i, length .48mm., black; 11, 1.59 mm., cylindrical, constricted just before base, nearly as thick as segment i, pale pubescent, fusco-blackish; iti, .51 mm., fuscous; iv, 34mm., fuscous. Pronotum: Length .g4mm., width at base 1.69 mm. ; coarsely and rather closely punctate, shining, clothed with erect pale yellow- ish pubescence; brownish black, collar, median line of disk but narrowed near basal margin, spot behind outer angle of each callus. and slender basal margin, yellowish testaceous; carinate lateral margins of disk only moderately distinct, slightly more sulcate than in canadensis. Scutellum rather coarsely punctate, clothed with erect yellowish pubescence; brownish black, median line and basal angles paler; mesoscutum brownish, with prominent pubes- cence. Sternum brownish black, median line yellowish, pleura No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 565 blackish, clothed with prominent pubescence; ostiolar peritreme pale. Hemelytra: Embolar margins nearly straight but curved at each end; reddish brown translucent, darker on clavus bordering scutellum and commissure; rather coarsely and closely punctate, shining, clothed with prominent erect yellowish pubescence ; cuneus reddish brown translucent, scarcely paler at base. Membrane and veins fusco-brownish, a small pale spot bordering apex of cuneus. Legs: Yellowish, apical half of hind femora, somewhat on apex of middle pair, base of tibiae and somewhat on middle of hind pair, blackish; apices of tarsi fuscous. Venter blackish, ventral surface except on genital segment, yellowish, pale pubescent. Female: Length 4.9 mm., width 2mm.; larger and more robust than the male but very similar in coloration; pronotal disk more broadly yellowish, but not so the cuneus and scutellum; antennal segment ii, length 1.2mm., more slender than in the male, gradu- ally thickened from base toward apex but not attaining thickness of segment i, black, pale pubescent. Food plant: Fraxinus americana. Holotype: Male, 16 June, 1916, Ithaca, N. Y. (H. H. Knight); author’s collection. Allotype: same data as type. Paratypes: New YorK—Males (3), 31 May, males and females (5), 7 June, male, 13 June, male, 14 June, 1914, male and female, 14 June, females (2), 16 June, 1916, females (4), 25 June, females (8), 27 June, 1920, Ithaca; females (2), 13 June, female, 25 June, 1915, Batavia; females (2), 22 June, 1916, Portageville; male and female, 16 June, 1915, Wyoming County (H. H. Knight). Males and females (26), 3 June, 1918, Ithaca (H. H. Knight). N. canadensis (Van Duzee). Boal. Bu. Soc. Nat. Sci., x, 486, 1912. Male: Length 4.7mm., width 2mm.; yellowish testaceous, clavus, apical area of corium, two subapical bands on hind femora, and calli dark brownish black; pronotal disk each side of median line, obscure brownish to fuscous; base of scutellum at middle brownish, the brown color somewhat notched by paler on median line; dorsum coarsely and rather closely punctate, clothed with erect yellowish pubescence. Head: Width 1.08 mm., vertex .41 mm. Antennae: Segment i, length .48 mm., black; 11, 1.46 mm., fusco-brownish, more nearly black at base, dusky pubescent, cylindrical, constricted at base, nearly attaining the thickness of segment i; iti, .49 mm., fuscous; iv, .34.mm., fuscous. Female: Length 5.3 mm., width 2.4mm.; more robust than the male, the dark color more brownish than blackish. Food plant: Fraxinus americana. Allotype: Male, 2 Aug., 1915, Batavia, N. Y. (H. H. Knight); author’s collection. Originally described from two females collected at Ottawa, Ontario. New York, Canada. 566 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. N. pubescens Knight. Bull. Brook. Ent. Soc., xii, 81. 1917. Length 4.6 mm., width 1.7 mm.; blackish and marked with pale ; clothed with prominent erect pubescence; more coarsely punctured than in amoenus; pronotum with lateral margins distinctly carinate only on anterior half, black, top of collar, rather widely on median line of disk, one and sometimes two rays behind each callus, pale yellow; scutellum yellow, black at the middle of base and on the mesoscutum; sternum and pleura black, ostiolar peritreme pale; hemelytra pale, inner half of clavus, along claval suture, large apical spot on corium and slightly invading the embolium, black; membrane pale, female dark fuscous to black within the cells and margining the veins, dark fuscous in the male and extending to include the middle of membrane; venter black, sometimes paler in the female. Food plant: Fraxinus americana, but found developing only on young plants in much shaded situations. Massachusetts, New Hampshire, New York. Neoborus vittiscutis Knight, new species. Very suggestive of pubescens but with a different arrangement of the black color. Male: Length 4mm., width 1.86mm. Head: Width 1.03 mm., vertex .37mm.; blackish, bucculae, and margins of juga and lora, paler, front more brownish each side of median line. Rostrum, length 1.16mm., reaching to middle of intermediate coxae, pale, apex black. Antennae: Segment i, length .57mm., pale; ii, 1.63 mm., cylin- drical, nearly attaining thickness of segment i, slightly more slender toward base, pale pubescent, a few hairs equal to thickness of segment, pale, becoming reddish or dusky apically; iti, .66 mm., pale; iv, .38 mm., pale. Pronotum: Length .94mm., width at base 1.59 mm.; coarsely punctate, with an erect pale pubescent hair arising from each puncture; black, shining, spot on median line, an obsolete ray behind each callus, and carinate lateral margin, pale. Scutellum pale, narrow base, median line from base to apex but more slender apically, black; mesoscutum black, clothed with pale pubescent hairs. Sternum and pleura black, the latter clothed with erect pale pubescence; ostiolar peritreme pale. Hemelytra: Embolar margins slightly sinuate; black, shining, coarsely punctate, an erect pale pubescent hair arising from each puncture; along claval veins and a spot near base of corium, slightly paler and somewhat translucent; cuneus pale translucent, narrowly fuscous at apex. Membrane uniformly fuscous, scarcely paler bordering apex of cuneus. Legs: Uniformly pale, scarcely dusky on tips of tarsi. Venter black, moderately shining pale pubescent. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 567 Female: Length 5 mm., width 2.3mm.; more robust than the male and more broadly pale. Head: Width 1.06mm., vertex .48 mm. ; front, except median line, largely testaceous. Antennae: Pale ; segment i, length .58 mm.; ii, 1.57 mm., slightly more slender than in the male. Pronotum: Disk yellowish testaceous, a black- ish line bordering lateral carina, an obsolete fuscous line behind outer margin of callus. Scutellum colored similarly to the male, median line black from base to apex but more broadly so nearer base. Sternum and pleura black, ostiolar peritreme pale. Hem- elytra: Pale testaceous, embolium and outer margin of corium, exterior to radial vein, black, tip of embolium pale; cuneus uni- formly pale translucent. Membrane pale, areoles except small spot near basal angle of cuneus, veins and somewhat invading . membrane bordering areoles, dark fuscous. Holotype: Male, 13 June, 1908, Great Falls, Va. (O. Heidemann) ; Cornell Univ. collection. Allotype: taken with type. Paratype: Female, taken with types. Missouri—Female, 22 June, 1916, Charleston (E. H. Gibson). N. tricolor (Van Duzee). Bull. Bult. Soc. Nat. Sci., x, 487, 1012. Female: Length 5.7 mm., width 2.8mm.; black, antennae, ros- trum except apex, legs, ostiolar peritreme, and cuneus, pale; antennal segment 11 fuscous on apical one-fourth, segments iii and iv dusky; front of head reddish to brownish; dorsum rather coarsely punctured, with an erect, prominent, pale hair arising from each puncture. New Jersey, Missouri. Xenoborus Reuter. Key to Species. Peeiemibtane uniormly fuscous or black. +... 0.0.06. .46d0« ease dese 3 Membrane pale, or if fuscous, paler on middle .................. 2 2. Dorsum uniformly pale greenish yellow, fuscous along commissure Giememelyina +. lene tla 6.4 mM: | 26. es ble ee Sa ee oe commissuralis Dorsum more broadly blackish; calli, spot each side of median line on pronotal disk, clavus except along claval vein, and spot on apical area of corium, fusco-blackish; membrane fuscous, but an oval spot on middle of apical half, and within the areoles, — Bismmcely Malet: Leretha, 5 GMM ko /..c ss:0 oli sissfolerete ve dfaleba oye Pale plagifer 3. Posterior tibiae uniformly pale, femora pale or only rarely dusky near apex; embolium and basal half of corium pale in both Sema EA Sk PUN A Mure ees heey Odes Rahs co hbaeet ae neglectus Posterior tibiae fuscous, blackish near base, posterior femora black- ish apically or with dark color forming two bands; embolium and basal half of corium only rarely pale in certain female specimens pettiti X. commissuralis Reuter. Can. Ent., xl, 112, 1908. Length 6.4mm., width 2.3mm.; uniformly pale greenish, becoming yellowish after death; antennae, a narrow streak along commissure of hemelytra, tips of tarsi, and tip of rostrum, fusco- 568 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. blackish; membrane pale translucent, brachium and a streak beyond apex of larger areole, dusky. Food plant: Black ash (Fraxinus nigra) ; occurs during August. Canada, Minnesota, New York. X. plagifer (Reuter). Acta Soc.’ Sei: Penn.,. xxxvi, No. 2, $1, To00: Length 5 mm., width 1.9 mm.; pale yellowish testaceous; anten- nae, calli, usually (male) spot each side of median line on pronotal disk, clavus except claval vein, and spot on apical area of corium, fusco-blackish; scutellum yellow; membrane fuscous, but an oval spot on middle of apical half, and within the areoles, distinctly paler; female more broadly pale, the infuscation on apical half of membrane forming a ray at each side behind areoles. Food plant: Black ash (Fraxinus nigra) ; occurs during ‘August. Canada, Minnesota, New York. X. neglectus Knight. Bull. Brook. Ent. Soc., xii, $2; 1077. Resembles certain pale forms of pettits but with left genital clasper much longer and more spatulate toward apex. Male: Length 5.4mm., width 2.1mm.; black with pale; antennae fusco-blackish, paler on base of segment 1; head with lower half of face fuscous, front pale and flecked with reddish; carina and a small median dash at middle of vertex, blackish. Pronotum ecarinate, punctuation and pubescence nearly as in plagifer; collar and large median spot or ray on disk, white or pale yellow; pale ray extending from outer angle of callus along lateral margin of disk to include basal angle; scutellum pale yellowish, mesoscutum blackish. Hemelytra blackish, embolium, basal angle of corium, and cuneus, pale translucent; membrane uniformly fuscous, in the female slightly paler on middle, but in that case a black ray behind each callus while the lateral margin and basal angle of disk remain yellowish. Legs pale yellowish, hind femora sometimes dusky near apices but never distinctly banded. Occurs during June and probably breeds on Fraxinus megra. Michigan, New York. X. pettiti (Reuter). Acta Soc. Sci. Fenn., xxxvi, No. 2, 50, 1900. . Length 5.7 mm., width 2.1 mm.; black; scutellum yellow ; some- times with embolium, basal half of corium, and cuneus except apex, pale; front of head and pronotal disk sometimes reddish, lateral margins and basal angles of disk never pale as the median line, except in teneral specimens killed before any black color develops on pronotum; legs pale, posterior femora blackish apically, or with dark color forming two subapical bands. Food plant: Fraxinus americana; occurs during June. Massachusetts, New York. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 569 Lygidea Reuter. ' Key to Species. 2 Pevosiruim reaching to near apices of hind coxae....../........... 3 Rostrum scarcely attaining posterior margins of intermediate coxae 2 2. Antennal segment i, in length, not or scarcely exceeding width of vertex; hemelytra with pubescence dense and closely appressed; cuneus chiefly red, female frequently with dorsum red ...... rosacea Antennal segment i, in length, equal to width of vertex plus one- half dorsal width of an eye; hemelytra with pubescence chiefly suberect, set moderately close; cuneus chiefly pale, red only along ON Sie LPEShg 20 2 rile (a MEH 5 (es IRR ae a a eR Ra viburni n. sp. 3. Color orange-red, basal margin of pronotum, hemelytra except outer margins more or less, fuscous to blackish ............ mendax Color chiefly fuscous to blackish, ground color pale to greenish, STEEDS TS SR ORS Ae Bae a eR ree obscura | L. viburni Knight, new species. Male: Length 7mm., width 2.3mm. Head: Width 1.2mm., vertex .52mm. Rostrum, length 3 mm., scarcely attaining pos- terior margins of intermediate coxae. ‘Antennae: Segment 1, length .74 mm., brownish black, more brownish above; ii, 2.3 mm., brownish black, black at base, cylindrical, scarcely equal to thick- ness of segment i, clothed with suberect hairs which in length about equal thickness of segment; ili, I.14mm., black; iv, .51 mm., black. Pronotum: Length 1.12mm., width at base 2mm.; disk more coarsely punctate than in menda-, clothed with nearly erect yellow- ish pubescence; pale yellowish to brownish, calli, spot across top of coxal cleft, basal margin of disk each side of median line, and sometimes a ray each side of median line extending from calli to join basal margin of disk, blackish. Scutellum yellowish brown, more nearly black each side of pale median line; mesoscutum broadly exposed, brownish. Hemelytra: Embolar margins nearly parallel, curving inward apically to meet base of cuneus; yellowish brown and in places darkened with fuscous; clothed with moderately close, suberect golden yellow pubescence. Cuneus yellowish translucent, reddish along inner margin and apex but not attaining basal angle. Mem- brane fusco-brownish, veins and a spot near apex of cuneus somewhat paler. Legs: Yellowish to brown, apical half of femora reddish and brown; coxae pale yellowish, tarsi becoming infuscated. Venter pale yellowish beneath, sides with dorsal half and the genital seg- ment brownish black; clothed with prominent pale yellowish pubescence, longer on genital segment. Female: Length 7 mm., width 2.6 mm.; very similar to the male although more uniformly brownish in color. Head: Width 1.28 mm., vertex .64mm. Antennae: Segment i, length .80 mm. ; i) 2s. Tor Mm. ; iv, .77 min. 570 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Holotype: Male, 24 June, 1915, Batavia, N. Y. (H. H. Knight) ; author’s collection. Allotype: same data as the type. Paratypes: Males and females (90), taken with the types on Viburnum Lentago. New Yorx— Males (2), females (2), 12 July, 1914; females (3), 27 July, 1915, Batavia; male and female, 6 July, 1915, Wyoming County (H. H Knight). Food plant: Nannyberry (Viburnum Lentago) ; breeds especially on young growth. Massachusetts, New York. L. rosacea Reuter. Lygidea rubecula var. rosacea Reuter, Acta Soc. Sci. Fenn., xxxvi, No. 2, 46, 1900. Male: Length 6.7 mm., width 2mm. Head: Width 1.26 mm., vertex .63 mm. Rostrum, length 1.85 mm., reaching to middle of intermediate coxae. Antennae: Segment 1, length (60mm, 2.1. Mm. ; il, eo mim: ; Iv; .57 1m. Hemelytra densely clothed with closely appressed, golden yellow pubescence; clavus and apical half of corium fuscous to black, basal half of corium and embolium yellowish translucent. Cuneus red, yellowish at base but extending to middle along outer margin. Female: Length 6.5mm., width 2.6mm. Head: Width 1.34 mm., vertex .68mm. Rostrum, length 1.97 mm., reaching to middle of intermediate coxae. Antennae: Segment i, length .60mm.; ii, 1.9mm.; ili, 8omm.; iv, 60mm. Dorsum chiefly red although in dark forms the clavus and apical half of corium becoming infuscated. 3 In Minnesota the writer has found this species to breed abun- dantly on the sand bar willow (Salix longifolia), but only on this species of willow. Typical specimens are also at hand from IlIli- nois, the type locality. Lygidea rubecula (Uhler), described from Colorado, was collected on willow at Steamboat Springs; this species may be distinguished from rosacea by the longer rostrum. Illinois, Minnesota. L. obscura Reuter. Acta Soc. Sci. Fenn., xxxvi, No. 2, 46, 1909. Male: Length 6mm., width 2.2mm.; smaller and darker colored than rubecula; dark fuscous to black, genae, apices of juga, median line on frons, median line and slender basal margin of pronotum, lateral margins of scutellum and median line except basally, sternum and lower half of venter except on genital seg- ment, coxae, basal half of femora, tibiae except base and apex, pale to yellowish; cuneus pale translucent, inner half reddish, apex dark red to blackish. Female: Length 6 mm., width 2.4 mm.; very similar to the male but with less blackish; yellowish to brownish and darkened with fuscous; head yellowish, base of juga, broad mark on frons each side of median line, black; pronotum brownish, broadly at lateral margin and a ray behind callus at each side of pale median line, No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE, 571 black; hemelytra rather uniformly fusco-brownish; hind femora banded with blackish before apices, anterior face more or less blackish on apical half. This species was described by Reuter as a variety of rubecula Uhler but proves on examination to be a distinct species. The female type is now contained in the collection of E. P. VanDuzee. Food plant: Salix nigra. Allotype: Male, 27 June, 1916, Honeoye Falls, N. Y. (H. H. Knight) ; author’s collection. New York. L. mendax Reuter. Light apple red bug. (PI. xvi, 16.) Acta Soc. Sci Fenn., xxxvi, No. 2, 47, 1900. Cornell Univ. Agr. Expt. Sta., Bull. 291, 1911. Length 6.4mm., width 2.2mm.; bright orange-red; tylus, apically on rostrum, antennae, each side of median line on scutel- lum, clavus, inner half of corium and cuneus, and membrane, dark fuscous to black; legs greenish to fuscous. Food plants: Crataegus, Pyrus coronaria, cultivated apple, and to some extent on cultivated quince. This insect is now regarded as a serious pest on apples in New York and Pennsylvania. Milford, 26 June, 1916 (W. E. B.); New Haven, 15, 23, 25 June, 1914 (B. H. W.) (M. P. Z.); Wallingford, July (D. J. C.); Washington, 24 June, 1914 (Mrs. G. H. Vaillant). Coccobaphes Uhler. C. sanguinareus Uhler. (PI. xvi, 17.) Proc. Bost. Soc. Nat. Hist., xix, 401, 1878. . Length 7.5 mm., width 3.4mm.; bright red; dusky for a space either side of the hemelytral commissure; membrane, first two segments of antennae, tibiae, and apices of tarsi, black; segment iii of antennae pale, segment iv fuscous. Food plants: Sugar maple (Acer saccharum), and occasionally red maple (4. rubrum) ; breeds most abundantly on second growth or young trees. Hamden, 18 June, 1919 (M. P. Z.); Hartford, 26 June (W. M.); Litchfield, 20 June, 1908 (L. B. W.); New Haven, 12 June, 1902 (W. E. B.); 23 June, 19005 (B. H. W.); South Meriden, 27 June, 1914 ert. i) J.). Capsus Fabricius. C. ater (Linnaeus). Cimex ater Linnaeus, Syst. Nat., Edn. 10, 447, 1758. Saunders, Het. Brit. Isds., 262, pl. 24, fig. 5, 1892. Reuter, Hem. Gymn. Eur., v, 14, 357, 1896. Length male 5.7 mm., width 2.6mm.; female, length 5.8mm., width 3.1mm.; uniformly black, moderately shining; pronotum shallowly, but rather coarsely punctate; clothed with pale to yel- 572 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. lowish pubescence; easily distinguished by the clavate antennal segment 11. Food plants: Poa compressa, Agropyron repens, and probably other grasses. Berlin, 30 June, 1905 (W. E. B.); Branford, 27 June, 1904 (H. L, Vic 13 June, 1920 (B. H. W.); Guilford, 14 June, 1920 (B. H. W.); Mount Carmel (Hamden), 22 June, 1908 (W. E. B.); Lyme, 16 June, 1920 (B. H. W.); Middlebury, 16 June, 1911 (B. H. W.); New Haven, 30 May, I June, 1911, 10 June, 14 June, 16 June, 1920 (B. H. W.), 24 June, 1905 (W. E. B.); North Branford, 15 June, 1920 (M. P. Z.); Southington, 5 July, 19005 (B. H. W.); Suffield, 21 June, 1920 (M. P. Z.). C. ater var. tyrannus (Fabricius). Lygaeus tyrannus Fabricius, Ent. Syst., iv, 177, 1794. Reuter, Hem. Gymn. Eur., v, 15, 1806. Similar to the typical form but with legs fulvous or reddish; femora with two dark subapical annuli, sometimes obscured on basal half; apices of tibiae fuscous. C. ater var. semiflavus (Linnaeus). Cimex semiflavus Linnaeus, Syst. Nat., Edn. 12, i, 725, 1867. Reuter, Hem. Gymn. Eur., v, 15, 1806. Similar to variety tyrannus but with the fulvous color extending to cover pronotum and head. Canaan, 14 June, 1916 (M. P. Z.); Cornwall, 20 June, 1920 (K. F. C.); Greenwich, 23 June, 1916 (M. P. Z.); Hamden, 2 June, 1911 (A. B. C.); New Haven, 30 May, 19011 (B. H. W.). Platylygus Van Duzee. P. luridus (Reuter). | Pin i rubecula var. lurida Reuter, Acta Soc. Sci. Fenn., xxxvi, No. 2, , 1909. ‘ Bull, Brook. Ent. Soc., xiii, 16, 1918. Male: Length 6.5 mm., width 2.4mm.; minutely pubescent, the dorsum practically glabrous; pale yellowish brown, hemelytra strongly translucent, collar and tip of scutellum pale to white; apex and inner half of cuneus, brachium, disk of scutellum, apically on femora, and more or less on venter, becoming reddish; antennal segments iii and iv infuscated, apex of rostrum piceous, membrane fumate or pale brownish. Female: Length 7mm., width 2.7mm.; more robust than the male but very similar in structure and coloration. Food plant: Pinus strobus. The nymphs are yellowish with a tinge of brownish, thus very closely matching the color of the bud scales. New Hampshire, New York. Lygus Hahn. Key to Species. 1. Rostrum not or scarcely exceeding apices of hind coxae .......... 2 Rostrum attaining middle of venter; pronotum sparsely and shal- No. 34. | HEMIPTERA OF CONNECTICUT: MIRIDAE. 573 lowly punctate; collar and tip of scutellum white; female usually reddish and with fuliginous on pronotum, male very slender and MM AMER sree hike Ga phd Sie ieee Bhs & yh wle (p. 574) approximatus 2. Length of antennal segment ii exceeding width of head .......... Length of antennal segment ii less than or scarcely equaling width of head; basal carina scarcely raised from base of vertex; ovate, robust, yellowish brown to dark reddish brown and darkened with 3 Sa le lees MRE SERS SE = (p. 575) rubicundus 3. Length of antennal segment ii exceeding width of pronotum at base, or if not, then the head not particularly broad and length of insect MMM EI OSIRIA SO cic ac Ge aia ee Bea AG en QOS as Sic KIS hepa Lee bah 4 Length of antennal segment ii scarcely equaling width of prono- tum at base; head unusually broad for size of insect, equal to more than one-half the width of pronotum at base; eyes large; small, form ovate, length 4-4:5mm. .............. (p. 579) fasciatus (a) Scutellum dark red or ferruginous, median line, or at least the apex, paler; anal area of membrane infuscated variety fasciatus typical (b) Scutellum bright green, with not more than two or three dots of red at lateral margins; anal area of membrane mou distinctly iniuscated’ J.) 540)... Psish 4 variety viridiusculus 4. Vertex with basal carina entire; variously colored ............... 5 Vertex with basal carina obsolete in the middle, apparent only at corners of eyes and from thence an impressed line extends to near center of vertex; green or greenish yellow, fading to dull yellowish; Y-shaped fuscous mark formed by anal area of mem- brane, usually with a longitudinal cloud distad of the areoles ... (p. 579) pabulinus 5. Pronotum coarsely, or at least distinctly punctate; body integu- ments heavily chitinized; adults hibernate; right genital clasper of male with claw at tip, curving ventrad or caudad, in length less than greatest width of clasper; left clasper without prong at middle (at posterior extremity of lateral aspect) .,............. 6 Pronotum very finely punctate; body integuments more thinly chitinized, more fragile forms; adults do not hibernate; right genital clasper of male with an apical hook or prong projecting mesad, its length as great as or greater than thickest part of the measnen-) tert clasper with a prong at middle ..........5....0.-: (p. 580) subgenus NEoLycus 6. Rostrum reaching to near posterior margins of hind coxae ....... Rostrum just attaining posterior margins of middle coxae; scutel- himepiieht yellow of green...) .....40eee. oes (p. 575) campestris 7. Color yellowish brown to blackish, or reddish; tibiae annulated “TES, ES TLS Et era ie 291 1S SaA BR SR A a A Spe Eo Color chiefly green; tibiae pale greenish, without annuli at base; SiS DLE ey yc ly MRRAIS OS NBC AtvE | An aes sn Peas oe ea (p. 578) apicalis 8. Hemelytra blackish and irregularly mottled with greenish yellow; head and anterior part of pronotum yellowish green, usually with Peoenigek cays Denind each callus ./....5.......-- (p. 578) plagiatus Hemelytra sometimes dark but not mottled with paler; head and SMIPIRGENMCT WISE COLOGEE (622. Che aleld bce ella cee sereuee obec 5 9 9. Smaller forms, length 4.8-6mm.; distinctly pubescent ........... (p. 575) pratensis (a) Yellowish brown with more or less blackish markings, or reddish brown with fuscous; pronotum with yellowish and blackish rays; hemelytra reddish brown or blackish, streaked with yellowish or gray ........... variety oblineatus (b) Chiefly blackish but streaked with yellowish; head blackish but with four longitudinal yellowish marks on front ..... variety strigulatus 574 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. (c) Color chiefly bright red, pronotum with a black spot behind each callus; scutellum pale, marked with red at middle of DASE occ tik Gra alele are telesd e outoie a Ce ed ee variety rubidus (d) Hemelytra pale, apical area of corium bright red; scutellum yellow, marked with black only at middle of base ....... . variety rubrosignatus n. var. Larger forms, length 6.5-7.3mm.; nearly glabrous, strongly SPUN forein sites feed i of oop partes tele ee ve eg Een (p. 577) vanduzeei (a) Yellowish brown to rich brown and fuscous ...typical vanduzeei (b) (Chiefly bright ruby redis 4.20.0 eee variety rubroclarus ord WY Cc ajporoximalus os a ubic undus Fic. 97. Lygus approximatus Fic. 98. Lygus rubicundus Fal- Stal—male genital claspers, (a) len,—male genital claspers, (a) left clasper, lateral aspect, (b) left clasper, lateral aspect, (b) left left clasper, dorsal aspect, (c) clasper, dorsal aspect, (c) right right clasper, external lateral clasper, internal lateral aspect. aspect. Greatly enlarged. Draw- Greatly enlarged.. Drawing by Dr. ing by Dr. H. H. Knight. H. H. Knight. L. approximatus (Stal). Deraeocoris approximatus Stal, Stet. Ent. Zeit., xix, 185, 1858. Cornell Univ. ,Agr..Expt., Sta.,, Bull. 301; 507, 1007. Male: Length 5 mm., width 1.8mm.; head strongly produced downward, carina prominent, nearly straight, vertex with an impressed triangle just in front; rostrum reaching to middle of venter; slender, nearly black, collar and tip of scutellum white; membrane infuscated, veins reddish; cuneus and membrane only slightly deflected, thus giving the appearance of an Orthotylus; genital claspers distinctive of the species (fig. 97). Female: Length 4.9 mm., width 1.8mm.; dark brownish with fuliginous; tylus black, frequently darkened over the whole front; pronotum darkened with fuliginous on the base and along lateral margins of disk, in some forms much darker, rarely the whole pronotum may be nearly black as in the male; collar and tip of scutellum white, very narrow basal margin of disk pale; sternum and pleura chiefly fuliginous; venter, hind femora, and often the intermediate femora, strongly reddish. Occurs on hemlock (Tsuga canadensis L.) ; frequently attracted to the flowers of Solidago macrophylla. Maine, New Hampshire, New York. No. 34. ] HEMIPTERA OF CONNECTICUT: MIRIDAE. 575 L. rubicundus (Fallen). Phytocoris rubicundus Fallen, Hemip. Suec., 92, 18209. Cornell Univ. Agr. Expt. Sta., Bull. 391, 589, 1917. Male: Length 4.5 mm., width 2.14mm.; ovate, robust, dark reddish brown to fuscous; antennal segment ii shorter than width of head; genital claspers very distinctive of the species (fig. 98). Female: Very similar to the male in structure but usually not so darkly colored. Breeds on Salix amygdaloides, also occurs to some extent on other willows. Portland, 25 July, 8 Aug., 1913 (B. H. W.). L. campestris (Linnaeus). Cimex campestris Linnaeus, Syst. Nat., Edn. 10, 448, 1758. Cornell Univ. Agr. Expt. Sta., Bull. 391, 592, 1917. Male: Length 4.1 mm., width 1.77mm.; ovate, rather small, greenish brown or brownish yellow with fuscous, scutellum bright yellow or green; genital claspers distinctive of the species. C4 ss campestris pralensis Fic. 99. Lygus campestris Lin- Fic. 100. Lygus pratensis Lin- naeus,—male genital claspers, (a) left clasper, lateral aspect, (b) left clasper, dorsal aspect, (c) right clasper, internal lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. naeus,—male genital claspers, (a) left clasper, lateral aspect, (b) left clasper, dorsal aspect, (c) right clasper, internal lateral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. _ Female: Slightly more robust than the male, antennal segment li more slender; very similar to the male in coloration. Breeds on Conium maculatum, also on other plants of the family Umbelliferae. Branford, 28 July, 19005 (H. W. W.); Colebrook, 21 July, 1905 (H. L. V.); New Haven, 2 June, 1908 (B. H. W.); Orange, 3 Apr., 1905 (W. E. B.) L. pratensis Linnaeus var. oblineatus (Say). Tarnished plant Bie. (Pl xvi, 15.) 1850. Capsus oblineatus Say, Heter. N. Harm., 21, 1832; Compl. Writ., i, 340, Cornell Univ. Agr. Expt. Sta., Bull. 391, 564, 1917. Male and female: Length 4.9-5.5 mm., width 2.5mm.; ovate, shining, yellowish brown with more or less blackish marking, or 576 _ CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. reddish brown and fuscous; pronotum with yellowish and blackish rays; scutellum margined with blackish, leaving a Y- or heart- shaped area yellowish; hemelytra reddish brown or blackish, streaked with yellowish or gray. This is the commonest species of the family Miridae in the | eastern United States and is found everywhere frequenting many kinds of plants. It is a pest on nursery stock, ornamental plants, and cultivated crops. Common throughout the state. L. pratensis var. strigulatus (Walker). Walker, Cat. Heteroptera, vi, 94, 1873. A very dark form of pratensis, having all pale markings much - reduced; head blackish but with four longitudinal yellowish marks on front. New Haven, 9 Nov., 1919 (H. C. Fortner). L. pratensis var. rubrosignatus Knight, new variety. Apparently not differing appreciably from the typical pratensis, but somewhat smaller and having a different color aspect. Male: Length 5.4mm., width 2.47mm. Head: Pale to yellow- ish, more or less tinged with reddish, tips of juga and sometimes spot above base of antenna, blackish. Antennae nearly black, segment 11 somewhat brownish at middle. Pronotum: Pale to yellowish, calli except inner half, extending rather broadly to anterior angles of disk, and two short rays behind each callus, black; basal angles infuscated, a black ray just above coxal cleft. Scutellum yellow, black at middle of base, the dark color sometimes extending to middle of disk; mesoscutum black but narrowly exposed. Hemelytra: Pale translucent, tip of clavus and more or less broadly on apical area of corium, bright red; clavus becoming brownish black bordering scutellum; cuneus pale translucent, apex scarcely infuscated, inner margin slenderly red. Membrane pale fuscous, slightly paler on middle and bordering tip of cuneus; veins red or becoming reddish. Legs: Pale to yellowish, femora with two blackish, subapical bands. Venter: Yellowish, genital segment becoming infuscated on lower side at base. 3 Female: Length 4.9 mm., width 2.48 mm.; very similar to the male but more broadly pale; antennal segment ii black but show- ing brown at middle; each callus with spot on outer basal angle and another just behind middle on disk, black; tip of clavus and a small spot at apex of corium bright red. Holotype: Male, 15 July-6 Aug., 1917, Woods Hole, Massachusetts (Chris E. Olsen); author’s collection. Allotype: same data as type. Paratypes: Male, topotypic. Male, 9 Aug., 1911, Nantucket, Mass. (C. W. Johnson). No. 34. | HEMIPTERA OF CONNECTICUT: MIRIDAE. 577 L. pratensis var. rubidus Knight. Cornell Univ. Agr. Expt. Sta., Bull. 301, 565, 10917. Male: Length 5.5 mm., width 2.5 mm.; bright ruby red; prono- tum with a small black spot behind each callus; antennal segments red, with apex of segment 11, and all of segments iii and iv, black- ish; scutellum pale, marked with red at middle of base; cuneus margined with red but pale translucent in the middle; ostiolar orifice and a longitudinal stripe on sides of venter paler; tibiae pale reddish, spines black; sternum beneath, and tips of tarsi, blackish. Maine. L. vanduzeei Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 565, 1917. Male: Length 7.1 mm., width 3.3mm.; larger than pratensis, nearly glabrous, strongly shining, yellowish brown to rich brown with fuscous; genital claspers distinctive of the species (fig. IOI). Ss —————— r plagialus vanauzeel Fic. 101. Lygus vanduzeet Fic. 102. Lygus plagiatus Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) left clasper, dorsal aspect, (c) right clasper, internal lat- eral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. Uhler,—male genital claspers, (a) left clasper, lateral aspect, (b) left clasper, dorsal aspect, (c) right clasper, internal lat- eral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. Female: Very similar to the male in size and coloration. Colebrook, 19 June (P. G.); Cornwall, 4 June (K. F. C.); Danbury, 29 Aug. (B. H. W.); New Haven, 27 July (B. H. W.); Portland, 24 July, 1921 (B. H. W.). L. vanduzeei var. rubroclarus Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 567, 1917. Length 6.66mm., width 2.9mm.; structurally very similar: to vanduzees but differing greatly in general appearance; slightly smaller than the typical vanduzeei but larger than pratensis; bright ruby red, shining; pronotum and antennae marked with blackish as in vanduzeets. Norfolk, 5 June (M. P. Zappe). 1g 578 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. L. plagiatus Uhler. Lygus plagiatus Uhler, Hemip. Colo., 35, 1895. Cornell Univ. Agr. Expt. Sta., Bull. 391, 576, 1917. Male: Length 5.3mm., width 2.8mm.; more robust than ~ pratensis, black with greenish yellow, mottled; head and anterior part of pronotum yellowish or olive green, hemelytra irregularly mottled with black and paler spots; differs from pratensis in the antennal segments and in the form of the right genital clasper. Female: Slightly more robust than the male and usually paler in color; second antennal segment shorter ; pronotum more yellow- ish, black rays behind the calli frequently not reaching the black basal margin; venter greenish yellow, blackish on the vagina exterior, dark specimens with the black more extended. Breeds on great ragweed (Ambrosia trifida). Massachusetts, Rhode Island, Long Island, N. Y. L. apicalis Fieber. Lygus apicalis Fieber, Eur. Hemip., 275, 1861. Cornell Univ. Agr. Expt. Sta., Bull. 391, 601, 1917. Male: Length 4.5-5 mm., width 2mm.; oblong; width of head I.I2mm., vertex .29mm.; greenish, dark green, or yellowish green, the membrane, and in some cases the corium, marked with fuscous; head broad, the eyes unusually large in the male; genital claspers very distinctive of the species (fig. 103). is Al | pabulin US Fic. 103. Lygus apicalis Fieber, Fic. 104. Lygus pabulinus Lin- —male genital claspers, (a) left naeus,—male genital claspers, (a) clasper, lateral aspect, (b) left left clasper, lateral aspect, (b) left © clasper, dorsal aspect, (c) right clasper, dorsal aspect, (c) right clasper, internal lateral aspect. clasper, internal lateral aspect. Greatly enlarged. Drawing by Dr. Greatly enlarged. Drawing by Dr. EH. Kaneht: H. H. Knight. Female: Length 4.6mm., width 2.05mm.; width of head 1.05 mm., vertex .37mm.; uniformly green or greenish yellow; eyes dark brown; tips of tarsi and apex of rostrum blackish. Breeds on Erigeron canadensts. Massachusetts, Maine. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 579 L. pabulinus (Linnaeus). Cimex pabuliuus Linnaeus, Fauna Suec., Edn. 2, 253, 1761. Cornell Univ. Agr. Expt. Sta., Bull. 391, 505, 1917. Male: Length 5.5mm., width 2mm.; elongate, pale green or greenish yellow, frequently fading to dull yellowish; carina of vertex obsolete in the middle; a fuscous Y-shaped mark formed at the extreme anal area of membrane, and usually a spot within the apices of areoles and a distinct longitudinal cloud extending beyond to tip of membrane. Female: Length 6.1 mm., width 2.22 mm.; slightly larger and more robust than the male but not differing in coloration. Breeds on Impatiens biflora. Bridgeport, 20 Sept. (B. H. W.); Cheshire, 8 July, 1904 (H. L. V.); Darien, 10 June, 1912 (C. W. J.) ; Middletown, 17 June, 1909 (C. W. J.); New Haven, 10 June, 1910, 22 and 25 July, 3 Oct. (B. H. W.); Stratford, 28 Aug., 1905 (W. E. B.). L. fasciatus Reuter. Ofv. Kongl. Sv. Vet.-Akad., Forh., xxxvi, No. 2, 72, 1876. Male: Length 4 mm., width 1.7mm.; small ovate, greenish and marked with reddish and brown; eyes large, width of head 1.03 mm., vertex .27mm.; width of pronotum at base 1.5 mm., length of antennal segment 11 1.33 mm.; scutellum except median line or apex dark reddish, red sometimes composed of spots; inner half of clavus and inner apical angles of corium, brownish black ; apical half of hind femora broadly red, the apex and a ring just ES ; aN s e fascialus fagnes Fic. 105. Lygus fasciatus Fic. 106. Lygus fagi Knight,—male Reuter,—male genital claspers, genital claspers, (a) left clasper, lat- (a) left clasper, lateral aspect, eral aspect, (b) left clasper, dorsal (b) left clasper, dorsal aspect, aspect, (c) right clasper, ventral (c) right clasper, ventral aspect. aspect. Greatly enlarged. Drawing Greatly enlarged. Drawing by by Dr. H. H. Knight. Dr. H. H. Knight. before pale, tibiae annulated at base with dark reddish, or at least reddish on inside at base; anal area of membrane distinctly infus- cated; genital claspers distinctive (fig. 105). _ Female: More robust than the male but very similar in colora- tion. 580 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Breeds on Cephalanthus occidentalis, also collected on Baccharis halimifolia, Myrica cerifera, and attracted to flowers of Hemero- callis fulva. Branford, 27 June, 1904 (H. L. V.); East River, 2 Aug., 7 Sept., 191 (Guo Biya, &., 7 sept. 1910 L. fasciatus var. viridiusculus Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 600, 1917. Female: Length 4.6 mm., width 2.05 mm.; structurally differing very slightly, if at all, from the typical form; bright green, slightly larger than and lacking the brownish and fuscous coloring of fasciatus; clavus only slightly tinged with fuscous at tip of scutel- lum, a touch of fuscous at inner apical angles of corium; anal area of membrane not distinctly infuscated; hind femora with two red marks on upper sides near apices, tibiae reddish on inside at base. Massachusetts. Subgenus NeEoLycus Knight. Key to Species. 1. Pronotal disk blackish or marked with dark rays ................ ay Pronotal disk greenish, or yellowish to brownish, but without dis- tinct; dark (rays) oi. 15k oe ele oe bee ble cmced oe 0 Ween ee 2 2. Color chiefly greenish, old specimens frequently fading to yellow- ish; sometimes darkened on clavus and at tip of corium but sround color STEEN 2). 5 oe ee cece ne doce cas cn se )a sh eee 3 Color distinctly yellowish or brownish, more brownish than green 10 3. Tibial spines with fuscous spots at base ......... “se en's Sie 4 Tibial spines without fuscous spots at base ...:.. meee 4. Corium with fuscous spot on inner apical angle; clavus greenish yellow, more brownish near scutellum and suture ..(p. 584) confusus Corium never infuscated but with dilute bronze on inner half; clavus and basal half of pronotum distinctly bronzed ...(p. 584) alni 5. Dorsum uniformly greenish, a small fuscous mark formed at extreme inner apical angles of corium and transversely across anal area of membrane; length 5.2-5.7mm. .......... (p. 500) neglectus Dorsum with brownish, apical area of corium and usually the clavus distinctly brownish, sometimes dark brownish or even fuscous, but more broadly ‘so than the above ..............5: eee 6. Membrane with apical half infuscated along median line, forming a distinct longitudinal ray which may be widened apically; corium with a triangular dark brownish spot just before apex, clavus usually brownish; length 5.0-6.mm. ... 5. o> sures (p. 593) belfragii Membrane never forming median longitudinal fuscous ray; smaller FOTTIS |... sicvnere an'sciw vo» v6 Wmnce nm © > empleo linn ia ee v4 7, Antennal segment ii not distinctly infuscated ...... I RE EO 2S 8 Antennal segment ii infuscated on apical one-fifth (p. 595) canadensis 8. Scutellum pale, clavus and apex of corium usually darkened ..... 9 Scutellum darkened with fuscous, also the clavus more or less, corium with a triangular dark patch before apex .......-....s.. (p. 587) (female) tiliae 9. Clavus dark brown bordering scutellum only; apical half of mem- brane clear, a fuscous spot at margin each side of middle, a spot also bordering tip of cumeuS ..........-..---> (p. 587) inconspicuus Clavus dark brown or fuscous bordering commissure as well as along the scutellum; apical half of membrane rather uniformly _ imfuscated. . os. os dvuie ee eaetok ee ee eee aires (p. 593) clavigenitalis No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE, 581 10. It. 12. 13. 14. 25. 16. 17. 18, 10. 20. 21. 22. (2) Rostrum extending beyond apices of intermediate coxae .... 12 Rostrum scarcely attaining apices of intermediate coxae; color rich yellowish brown, darker on clavus and apically on corium .. 11 Antennal segment ii infuscated at apex, length exceeding width of REREAD ASE’ fo. safes ca clw eS ee ec bere ees (p. 585) viburni Antennal segment ii not infuscated, length not equaling width of mt AGE PAS lak OL oR Sale oe ct bien (p. 506) nyssae Tylus with apical half black; two bands near apices of hind femora, sides of body, and more or less on head, reddish ....... (p. 584) atritylus Tylus not black, or if so, then the body and bands on femora not ERMAN sob as <<. 2... Bets oe eer eae wees diy Fe SWon Secale 13 Hind femora distinctly biannulated near apices with darker or with Mailer; atitennal segment i1 infuscated apically ..../............ 19 Hind femora not distinctly biannulate before apices, when dark, paler only at extreme tip; antennal segment ii rarely infuscated, Memes vanniiis On. femoraare indistinct 2... 0.4.00.) 0.523 0058 14 Scutellum infuscated, a pale median vitta on apical half; dorsum dark greenish brown to blackish, a lateral dark fuscous stripe extending full length of body; femora dark but pale at extreme Pe cee eek wea bea ets soogces eded (p. 583) invitus Scutellum sometimes dark but without indication of a pale median I tat ee ak Las REN a Nt Soe) tale Ne a vies © Gee 15 Hemelytra uniformly ferrugino-testaceous, rich brownish, or fulvo- aeneous, not appreciably darker on clavus and apical half of eo oc oss yd, eo os Booka mnale len od dial haiera lela bale 16 Hemelytra not uniformly colored, clavus and apical half of corium @aeker than scutellum and basal half of corium ................ 17 Hemelytra and femora fulvo-aeneous; membrane distinctly infus- ek i NO A SU Ly (p. 583) fagi Hemelytra (male) ferrugino-testaceous to blackish, or (female) uniformly rich brownish; membrane (male) infuscated, or Miemale) unitormly yellowish .................. (p. 594) hirticulus Antennal segment ii uniformly colored, never distinctly infuscated nna erie fi oh OTe rae eek a aoe es 18 Antennal segment ii infuscated; clavus and apical half of corium dark brownish, embolium, outer basal half of corium, and cuneus, Patetisansiicent: leneth 5.5-6mm. ..........0..000 (p. 595) ostryae Antennal segment ii scarcely exceeding width of pronotum at base; rostrum scarcely attaining apices of hind coxae; hemelytra green- ish yellow, apical spot on corium, and inner margins of clavus, eaaesurowmish to blackish ......5..006.0.4 08. (p. 593) clavigenitalis Antennal segment ii much exceeding width of pronotum at base; rostrum extending slightly beyond apices of hind coxae; clavus peeveorian dark brownish ....0...00..-..0... (p. 585) geneseensis (13) Color yellowish to brownish, apical half of corium brownish but not forming a delimited spot; femora distinctly brownish or OIE at ls Sasa wane Sia od aw b'elane SOV bed eeheien’s 20 Pale greenish yellow, clavus and large spot on apical half of corium dark brownish black; femora greenish yellow, banded Berareapices with) pale fuscous ................ (p. 595) canadensis Femora and usually the sides of body distinctly reddish; hind femora annulated before apices with dark reddish (p. 591) quercalbae Femora and sides of body dark brown to fuscous; hind femora annulated before apex with dark fuscous ........ (p. 592) omnivagus (1) Pronotal disk with distinct dark rays or spots behind calli .. 25 Pronotal disk blackish but without distinct rays ................. 22 Sides of body and hind femora distinctly reddish, the latter annu- lated near apices with pale and fusco-reddish ...(p. 591) quercalbae Sides of body and femora not distinctly reddish .................. 23 582 23. 24. 25. 26. 27. 28. 20. 30. Silke 32. 33. 34. CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Hind femora greenish to brownish, without subapical annuli ...... Hind femora blackish, annulated with paler near apices; hemelytra blackish, costal margin scarcely paler, cuneus clear, the apex fuscous ...... sn sptnieeipls « snare Bit taeog sae ee (p. 588) caryae Embolium greenish, clavus and inner half of corium dark fuscous £0, LACKISED opdig -:t's 16 2 rcs ee kes pe Ee ae (p. 587) (male) tiliae Embolium scarcely paler, hemelytra and whole dorsum nearly uni- fotm, dark brownish black. 2 J cwicee oe (p. 504) (male) hirticulus ee) Hind femora biannulate near apices with brownish black or PALS pins alka dae cle she wie a wwe alec aia e's ave /a ue ee 26 Hind femora dark brownish to black on apical half but not dis- tinctly biannulate, distinctly pale on apex only ................. 32 Antennal segments i and ii black; embolium, outer half of corium, and) cuneus, ‘pale translucent |)... $a tees ce eee (p. 503) johnsoni Antennal segment i pale or only slightly brownish; embolium apically and outer half of corium darkened, but if not, then anten- nal segment 1 distinctly pale .. ....< ........s..saeeee eee pat Sides of body and usually hind femora distinctly reddish ......... (p. 590) communis Sides of body and femora not distinctly reddish ................. 28 Embolium infuscated apically, or if not, then the calli and just before: with blackish 2 wc. 2c: bles0% 5.8 s 2 neh. @ amie 29 Embolium and basal half of corium pale, a large blackish spot on apical half of corium; clavus and a nearly quadrate spot behind each callus blackish; calli and just before without blackish .... canadensis var. binotatus Antennal segment ii distinctly infuscated, at least apically ........ 30 Antennal segments i and ii yellowish; clavus, apical half of corium and .emboluim: blackish... . ..2\-y05%,.e¢6) <2 eee ee (p. 586) parrotti Calli blackish before as well as behind, a small fuscous spot or ray on median line just before or extending between calli ...... 31 Calli and a widening ray behind each callus blackish, in darkest specimens the whole disk blackish but a distinct pale ray remains between the calli; head and legs usually slightly tinged with red- dish; in darkest specimens the scutellum and basal half of corium Pemamepales) Gaiiasio' do ogniow hese se eos See (p. 586) parshleyi Scutellum except median line apically, and hemelytra except cuneus, dark duscous' to ‘blackish: 2.5. osc. See ae (p. 588) caryae Scutellum and basal half of corium and embolium distinctly paler caryae var. subfuscus (25) Scutellum with median line infuscated; apex and inner margin of cuneus, femora and more or less on sides of body, Peddishh«. ci esex, ase be ele oes See ee (p. 591) univittatus Scutellum never forming fuscous vitta on median line ........... 33 Pronotal disk with small fuscous mark behind each callus; venter fuscous brown, a lateral pale stripe dividing the dark color .... (p. 592) semivittatus Pronotal disk with distinct black ray or spot behind each callus; sides of. venter without pale stripe, .. 4... i. 5\-ee\- eee eee Pronotal disk with black rays behind calli but not attaining basal YMAT RIT, oan hie oop bie wails wee’ @ Spl ehe ie mle me, Boa oA ape Jauet nh nel 35 Pronotal disk with black stripe traversing outer half of callus and extending to basal margin; pale yellowish, clavus and extremity _ of corium and embolmm,blagkiccc; ai. e eee ee (p. 589) vitticollis Pronotal disk with two conspicuous black spots, one behind each callus and forming nearly square spots; ground color yellowish brown; hind femora blackish except extreme tips (p. 589) atrinotatus Pronotal disk with a conspicuous black ray behind each callus, slender but becoming broader distally; ground color yellowish brown with fuscous, distinctly tinged with pink; hind femora reddish brown, indistinctly annulated with paler at apices ....... (p. 507) laureae No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 583 L. (Neolygus) fagi Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 603, 1917. Male: Length 4.8mm., width 1.94mm.; not darker than the female and both sexes look much like the female of hirttculus; differs from /urticulus by being more fulvo-aeneous in coloration and by the dark fuscous membrane; genital claspers distinctive of the species (fig. 106). Female: Slightly larger and more robust than the male; very similar to the female of hirtsculus, but usually distinguishable by the infuscated membrane and in general by the more fulvo- aeneous coloration. Breeds on Fagus grandéfolia and perhaps Betula lutea. Massachusetts, New Hampshire, New York, Vermont. Cc P ; Tinos A invilus alrilylus ¥ Fic. 107. Lygus invitus Say,— Fic. 108. Lygus atritylus male genital claspers, (a) left Knight,—male genital claspers, (a) clasper, lateral aspect, (b) left left clasper, lateral aspect, (b) left clasper, dorsal aspect, (c) right clasper, dorsal aspect, (c) right clasper, ventral aspect. Greatly clasper, ventral aspect. Greatly enlarged. Drawing by Dr. H. H. enlarged. Drawing by Dr. H. H. Knight. Knight. L. (Neolygus) invitus (Say). aa mous Say, Heter. N. Harm., 24, 1832; Compl. Writ. i, 345, 1859. Cornell Univ. Agr. Expt. Sta., Bull. 301, pl. 604, 1917. Male: Length 5 mm., width 2mm.; dark greenish with fuscous or blackish, sides of the body with a dark fuscous stripe extending the full length of the body, including the whole genital segment; scutellum with a pale median vitta on apical half; disk of pro- notum dark brownish or blackish but never with two distinct rays as , communts; genital claspers distinctive of the species (fig. 107). Female: Length 5.1 mm., width 2.2mm.; slightly more robust than the male, very similar in coloration but in general lighter- colored, the pale vitta on scutellum more extended. Breeds on Ulmus americana. Danbury, 15 June, 1909 (C. W. J.); New Haven, 25 June, 1920 (B. H. W.); South Meriden, 15 June (H. L. J.); Winnipauk, 16 June, meg (C.. W. J-); 584 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. L. (Neolygus) atritylus Knight. Cornell Univ. Agr. Expt. Sta., Bull. 301, 606, 1917. Male: Length 5.2 mm., width 2.2 mm.; closely related to invitus and fags, the darker forms much resembling a pale or yellowish. form of snvitus; greenish yellow to pale brownish, corium slightly darkened apically with fuscous, cuneus uniformly pale translucent ; hind femora with two subapical bands, sides of body, and more or less on head, reddish; easily distinguished by the black tylus and genital claspers (fig. 108). Female: Length 5.4mm., width 2.36mm.; very similar to the male in coloration except that the corium is rarely, if ever, darkened with fuscous. Breeds on Salix. Allotype: Male, 13 July, 1920, Cranberry Lake, N. Y. (C. J. Drake), taken on Salix; author’s collection. New Hampshire, New York, Vermont. L. (Neolygus) confusus Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 606, 1917. Male: Length 5.3mm., width 2.05 mm.; green, differs from alns in lacking the strong bronze colors, in having a fuscous spot at tip of corium, and in different membrane markings; fuscous spots at base of tibial spines more distinct than in alms, and in addi- ate S c i ec confusus alni Fic. 109. Lygus confusus Fic. 110. Lygus alni Knight,— Knight,—male genital claspers, male genital claspers, (a) left (a) left clasper, lateral aspect, = clasper, lateral aspect, (b) left (b) left clasper, dorsal aspect, clasper, dorsal aspect, (c) right (c) right clasper, ventral aspect. clasper, ventral aspect. Greatly Greatly enlarged. Drawing by enlarged. Drawing by Dr. H. H. Dr... . Knight. Knight. tion there are small fuscous spots on lower side of posterior femora; genital claspers distinctive of the species (fig. 109). Female: Length 4.3 mm., width 2.2mm.; very similar to the male but more robust, coloration slightly paler. Allotype: Female, 30 July, 1919, Peaks Island, Me. (G. A. Moore) ; author’s collection. Maine, New Hampshire, New York. L. (Neolygus) alni Knight. Cornell Univ. Agr. Expt. Sta., Bull. 301, 607, 1917. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 585 Male: Length 5.7mm., width 2mm.; closely related to viridis Fallen, but differs in the male genital claspers, in having the scutellum distinctly darker, and in that the apical part of antennal segment ii is not infuscated; more slender than viridis, bright green, bronze on clavus and basally on disk of pronotum, with a more dilute bronze on scutellum and on inner half of corium; tibial spines infuscated at base; genital claspers distinctive (fig. IIO). Female: Not differing from the male in coloration but slightly more robust. Breeds on Alnus tncana. New Hampshire, New York. L. (Neolygus) geneseensis Knight. Cornell Univ. Agr. Exp. Sta., Bull. 391, 609, 1917. Male: Length 5 mm., width 2.05 mm.; yellowish brown to dark brown and fuscous; allied to wburnt, having much the same color ce | Ll Ss a GENESEENSIS Vial Fic. 111. Lygus geneseensis Fic. 112. Lygus viburni Knight, Knight,—male genital claspers, (a) —male genital claspers, (a) left left clasper, lateral aspect, (b) left clasper, lateral aspect, (b) left clasper, dorsal aspect, (c) right clasper, dorsal aspect, (c) right clasper, ventral aspect. Greatly clasper, ventral aspect. Greatly enlarged. Drawing by Dr. H. H. enlarged. Drawing by Dr. H. H. Knight. Knight. but differing by the slightly smaller size, in the longer rostrum, and in the structure of the genital claspers (fig. 111). Female: Length 4.9 mm., width 2.1mm.; very similar to the male but more uniformly yellowish brown; distinguished from wiburns by the uniformly yellowish color of ‘the antennae, and by the length of the rostrum which extends to posterior margins of hind coxae. Breeds on Quercus alba. Massachusetts, Long Island, N. Y. *L. (Neolygus) viburni Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 609, 1917. Male: Length 5.2mm., width 2.08 mm. ; width of head 1.03 mm., vertex .38mm.; smaller than omnivagus, and more yellowish 586 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. brown; closely related to geneseensis, but differs in the male claspers, in being more robust, in having a shorter rostrum, in that apical half of antennal segment 11 is infuscated, and having in general a richer yellowish brown color. | Female: Length 5.3mm., width 2.28mm.; width of head 1.03 mm., vertex .45mm.; very similar to the male in coloration but usually not so dark; distinguished from geneseensts by the shortness of rostrum, which scarcely attains posterior margins of intermediate coxae, and by the second antennal segment which is darkened on apical half. Breeds on Viburnum lentago. New Haven, 11 June, 1914 (B. H. W.). L. (Neolygus) parrotti Knight. Bull. Brook. Ent. Soc., xiv, 21, 19109. Male: Length 5.1 mm., width 1.9 mm.; closely related to wiburm but distinguished by the longer rostrum, fuscous rays on disk of pronotum, antennal segments i and 11 yellowish, clavus and apical half of corium fuscous; resembles parshleys but differs in the right genital clasper and in the entirely yellowish segments 1 and 11 of the antennae. Female: Very similar to the male in size and coloration. Breeds on Viburnum sterilis and Viburnum opulus. New York. parr alli varshleyt , Fic. 113. Lygus parrottt Knight, Fic. 114. Lygus parshleyt —male genital claspers, (a) left Knight,—male genital claspers, clasper, lateral aspect, (b) left (a) left clasper, lateral aspect, (b) clasper, dorsal aspect, (c) right left clasper, dorsal aspect, (c) clasper, ventral aspect. Greatly right clasper, ventral aspect. enlarged.—Drawing by Dr. H. H. Greatly enlarged. Drawing by Dr. Knight. H. H. Knight. L. (Neolygus) parshleyi Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 611, 1917. Male: Length 4.8mm., width 2mm.; closely related to atrino- tatus but differs materially in the genital claspers (fig. 114), in not having the blackish rays on pronotum clearly defined as spots, and in general by the more brownish coloration. No. 34. | HEMIPTERA OF CONNECTICUT: MIRIDAE. 587 Female: Length 5 mm., width 2.1 mm.; the dark colors much reduced, otherwise similar to the male in coloration. Food plant unknown. Maine, New Hampshire. *L. (Neolygus) inconspicuus Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 612, 1917. Male: Length 4.5 mm., width 2.08 mm.; pale greenish, a trans- verse spot of brownish at apex of corium and dark brownish on clavus bordering scutellum ; in general appearance resembling most the female of tiliae and both sexes of clavigenitalis, but differing greatly from those species in form of genital claspers (fig. 115). Female: Length 4.8mm., width 2.25 mm.; very similar to the male in size and coloration; similar in size and general appearance to females of clavigensttalis and tiliae; distinguished from tiliae by the pale scutellum, and from clavigenitalis by the more greenish color and paler scutellum. Breeds on Vitis rotundsfolsa. New Haven, 23 June (B. H. W.). *L. (Neolygus) tiliae Knight. Cornell Univ. Agr Expt. Sta., Bull. 391, 613, 1917. Male: Length 4.6mm., width 1.74 mm.; rather small, scarcely as large as invitus; greenish yellow with the base of pronotum darker, the scutellum, clavus, and corium dark fuscous to blackish; genital claspers distinctive (fig. 116). 6 \! : : ¢ INCONSPICUUS ; \ P liliae Fig. 115. Lygus inconspicuus Fic. 116. Lygus tiliae Knight,— Knight,—male genital claspers, male genital claspers, (a) left (a) left clasper, lateral aspect, clasper, lateral aspect, (b) left (b) left clasper, dorsal aspect, (c) clasper, dorsal aspect, (c) right right clasper, ventral aspect. clasper, ventral aspect. Greatly Greatly enlarged. Drawing by Dr. enlarged. Drawing by Dr. H. H. H. H. Knight. Knight Female: Length 5 mm., width 2mm.; lighter colored than the male and usually slightly larger; pronotum yellowish, scutellum and clavus only slightly darkened, apex of corium with a triangular dark patch, much resembling belfragts in this respect; similar in 588 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. size and general appearance to females of inconspicuus and clavi- gemtalts; distinguished from inconspicuus by having a more conical shape to front of head, and in the darker-colored scutellum ; clavigenitalis differs in having more brownish and in the paler © scutellum. Breeds on Tilia americana. Danielson, 21 June, 1920 (J. T. Ashworth); Middletown, 17 June, 1909 (C. W. J.) ; Poquonock, 27 June, 1905 (H. L. V.). *L. (Neolygus) caryae Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 615, 1017. Male: Length 5.4 mm. (variation 4.8-5.7 mm.), width 2.1 mm.; dark brownish to black, cuneus pale and thus superficially resem- bling Neoborus geminus (Say); the paler brown forms suggest Lygus omnvagus; genital claspers distinctive (fig. 117). Female: Length 5.5 mm. (variation 5-6.3 mm.), width 2.3 mm. ; more robust than the male, frequently with brownish yellow between the calli and extending back over the disk. Breeds on hickory (Carya). Branford, 8 June, 16 June (B. H. W.); New Haven, 21 June, 24 June, 1905 (B. H .W.); Portland, 5 June, 1914 (B. H. W.); Yalesville, 27 June, 1907 (B. H. W.). j | ; ¢ caryae alrinolalus Fic. 117. Lygus caryae Knight, Fic. 118. Lygus _ atrinotatus —male genital claspers, (a) left Knight,—male genital claspers, clasper, lateral aspect, (b) left (a) left clasper, lateral aspect, clasper, dorsal aspect, (c) right (b) left clasper, dorsal aspect, (c) clasper, ventral aspect. Greatly right clasper, ventral aspect. enlarged. Drawing by Dr. H. H. Greatly enlarged. Drawing by Dr. Knight. H. H. Knight. *L. (Neolygus) caryae var. subfuscus Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 616, 1917. A yellowish brown color form which differs greatly in general aspect from the typical caryae, very much resembling ommwagus in coloration. Antennal segment ii brownish with fuscous, basal one-third and frequently one-half, yellowish brown as segment 1. Yellowish brown, pronotum with two black spots, one behind each eye and frequently extending back over the calli thus forming two No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 589 black rays; scutellum pale yellowish, frequently fuscous at base, in darker specimens a fuscous median line extending from base toward apex. Hemelytra in color very much resembling those of omnivagus, but the two black rays on pronotum, and the dark color of the scutellum appearing along the median line, distinguish this variety at once from that species. Branford, 8 June, 13 June (B. H. W.); Portland, 5 June, 10914 freee W.); South Meriden, 7 June (H. L. J.). L. (Neolygus) atrinotatus Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 617, 1917. Male: Length 4.7 mm., width 2.08 mm.; resembles canadensis var. binotatus and certain color forms of parshleyi, but differs greatly in the genital claspers (fig. 118); yellowish brown, antennal segment 11 and two conspicuous spots on pronotum black ; clavus, apical half of corium, and narrow lateral margins of scutel- lum, blackish; a blackish stripe on the sides extending for full length of body. Female: Length 5.5mm., width 2.3mm.; slightly larger and more robust than the male but very similar in coloration. District of Columbia, North Carolina, Pennsylvania. i AAV f te ff, villicollis Fic. 119. Lygus vitticollis Reuter,—male genital claspers, (a) left clasper, lateral aspect, (b) left eglectus Fig. 120. .Lygus neglectus Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) left clasper, dorsal aspect, (c) right clasper, ventral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. clasper, dorsal aspect, (c) right clasper, ventral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. L. (Neolygus) vitticollis Reuter. dee vitticollis Reuter, Ofv. Kongl. Sv. Vet.-Akad. Forh., xxxii, No. 9, I, 1876. : Cornell Univ. Agr. Expt. Sta., Bull. 391, 618, 1917. Male: Length 5.8mm., width 2.48mm.; elongate, easily dis- tinguished by its large size and black markings; pale yellowish, two rays on pronotum, clavus, apical half of posterior femora, apices of corium and embolium, black; rostrum reaching only upon intermediate coxae; genital claspers (fig. 119) distinctive. 590 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Female: More robust than the male but not differing in coloration. Breeds on Acer saccharum and Acer rubrum. Branford, 8 June (B. H. W.); Cornwall, 23 June (K. F. C.); Danbury, 15 June, 1909 (C. W. J.); Eastford, 12 June (B. H. W.); East River, Aug., 1910 (C. R. E.); Litchfield, 20 June, 1908 (L. B. W.); New Haven, Q June, 1905, 16 June, 1921 (B H. W.). L. (Neolygus) neglectus Knight. Cornell Univ. Agr. Expt. Sta., Bull. 301, 619, 1917. Male: Length 5.2mm., width 2.3mm.; bright green, robust, shorter and broader than pabulinus; easily distinguished from that species by the presence of a distinct carina on base of vertex; head, calli, and ventral side of body, becoming yellowish; a small fuscous cloud on anal area of membrane and inner angles of cuneus; genital claspers (fig. 120) distinctive. Female: Length 5.6mm., width 2.4mm.; very similar to the male but more robust in form. Breeds on Carpinus caroliniana. Massachusetts. . ¥ ° 8 communis univillalus Fic. 121. Lygus communis Fic. 122. Lygus univittatus Knight,—male genital claspers, Knight,—male genital claspers, (a) left clasper, lateral aspect, (a) left clasper, lateral aspect, (b) (b) left clasper, dorsal aspect, (c) left clasper, dorsal aspect, (c) right clasper, ventral aspect. right clasper, ventral aspect. Greatly enlarged. Drawing by Dr. Greatly enlarged. Drawing by Ho. Eo Knight. Dr. HH: Knieht L. (Neolygus) communis Knight. Can. Ent., xlviii, 346, 1916. Cornell Univ. Agr. Expt. Sta., Bull. 391, 620, 1917. Male: Length 5.5 mm., width 2.3mm.; greenish and darkened with brownish and fuscous; suggestive of imvitus but easily dis- tinguished by the two black rays on disk of pronotum, by the red- dish color in lateral stripe of the body, and by the larger size; differs structurally by absence of longitudinal line on vertex and in the form of the genital claspers (fig. 121). Female: More robust than the male, scarcely differing in color- ation although usually slightly paler. No. 34. | HEMIPTERA OF CONNECTICUT: MIRIDAE. 591 Breeds on Cornus stolonifera, C. pantculata, and the cultivated pear. Commonly known as the “false tarnished plant bug,” and is a destructive pest on pears in New York and on apples in Nova Scotia. Middletown, 17 June, 1909 (C. W. J.); South Meriden, June, 1015 er Ll. J.). L. (Neolygus) univittatus Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 623, 1917. Male: Length 5.3 mm., width 2.2mm.; resembling laureae in coloration, but smaller than that species; similar in size to large forms of quercalbae but darker colored and with reddish; distin- guished by having a median longitudinal fuscous vitta on the scutellum; antennal segment 1 black, two blackish rays on disk of pronotum behind the calli, apex of cuneus reddish; genital claspers distinctive (fig. 122). | Female: Length 5.4mm., width 2.4mm.; more robust than the male but very similar in coloration. Breeds on Crataegus. New York. me og quercalbae | Fic. 123. Lygus quercalbae Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) left clasper, dorsal aspect, (c) right clasper, ventral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. semivillalus® Fic. 124. Lygus semivittatus Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) left clasper, dorsal aspect, (c) right clasper, ventral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. L. (Neolygus) quercalbae Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 624, 1917. Male: Length 5.7mm., width 2.4mm.; resembles omnivagus but is more reddish brown in color, differs in being more robust and in having a pale stripe through the fuscous on sides of venter ; similar to semivittatus in coloration of the venter, but differs in not having distinct fuscous spots behind the calli and in general by the more reddish color; genital claspers (fig. 123) distinctive. 592 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Female: Length 5.6 mm., width 2.6mm.; more robust than the male, but very similar in coloration; larger and more reddish than ommvagus and semivittatus; distinguished by pale stripe on sides of venter and by absence of fuscous spots behind the calli, also by the distinctly reddish color on hind femora and sides of body. Breeds on Quercus alba. New Haven, 7 July, 1920 (B. H. W.); Orange, 22 June, 1920 CB. Be Wi): L. (Neolygus) semivittatus Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 626, 1917. Male: Length 5.3 mm., width 2.28mm.; resembles omnivagus in coloration of the hemelytra; two small fuscous marks on disk behind calli; very suggestive of caryae var. subfuscus but differs by having a pale stripe through the fuscous. on sides of venter ; similar to quercalbae in having the venter fuscous brown and with pale stripe dividing the dark color, but distinguished at once by the fuscous marks on pronotum; genital claspers distinctive (fig. 124). Female: Length 5.4mm., width 2.2mm.; very similar to the male in coloration but with less fuscous on the hemelytra; most easily confused with caryae var. subfuscus but distinguished by the longitudinal pale stripe running through the fuscous color on sides of venter. Breeds on Quercus alba. Long Island, N. Y. *L. (Neolygus) omnivagus Knight. Cornell Univ. Agr. Expt. Sta. Bull. 391, 627, 1917. Male: Length 5.4 mm., width 2.2 mm.; yellowish brown, corium dark brownish to fuscous apically, clavus dark brownish or black- ish; very much resembling forms of semivittatus and quercalbae, also might be confused by coloration with caryae var. subfuscus; genital claspers distinctive (fig. 125). Female: Length 5.4mm., width 2.5mm.; usually paler than the male, more yellowish brown; never with reddish as in querc- albae, nor with fuscous marks on the pronotum as in semuivittatus or in caryae var. subfuscus; very similar to canadensis but that species has the apical one-third of antennal segment 11 more dis- tinctly black, the fuscous spot on the apex of the corium smaller and not invading the pale embolium. Breeds on Quercus alba, Q. rubra, Q. coccinea, and probably other oaks; breeds occasionally on Cornus, Castanea, and Viburnum. Branford, 28 July, 1905 (H. L. V.); Danbury, 15 June, 1909 (C. W. J.) ; Darien, 10 June, 1912 (C. W. J.);. Double Beach, 5 June (H. L. V.); Litchfield, 8 Aug., 1912 (L. B. W.); Middletown, 17 June, 1909 (C. W. J.) New Haven, 8 June, 1904, 4 July, 1920 (B. H. W.). ? No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 593 *L. (Neolygus) johnsoni Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 629, 1917. Male: Length 5.7 mm., width 2.3 mm.; resembles communis in having two prominent black spots on pronotum, but is distin- guished at once by the clear outer margin of hemelytra and the dark fuscous inner half of corium; the long, thick, upturned prong of the left genital clasper is distinctive of the species (fig. 126). Female: Slightly more robust than the male but similar in coloration. Breeds on Carpinus carolimana. Hamden, 20 June, 1920 (B. H. W.); Middletown, 17 June, 1909 (C. W. J.), type locality. ; an c Johnsoni Fic. 125. Lygus ommnivagus Fic. 126. Lygus johnsont Knight,—male genital claspers, Knight,—male genital claspers, (a) (a) left clasper, lateral aspect, left clasper, lateral aspect, (b) left (b) left clasper, dorsal aspect, clasper, dorsal aspect, (c) right (c) right clasper, ventral clasper, ventral aspect. Greatly aspect. Greatly enlarged. enlarged. Drawing by Dr. H. H. Drawing by Dr. H. H. Knight. Knight. L. (Neolygus) belfragii Reuter. Ofv. Kongl. Sv. Vet.-Akad. Forh., xxxii, No. 9, 71, 1876. Cornell Univ. Agr. Expt. Sta., Bull. 391, 630, 1917. Male: Length 5.8mm., width 2.28mm.; elongate, green or greenish yellow, clavus brownish and tinged with fuscous and bronze, apex of corium with a triangular fuscous or blackish patch, membrane fuscous longitudinally through the middle; general aspect resembling confusus, alnt, and females of filiae; genital claspers distinctive (fig. 127). Female: Length 5.5-5.8mm.; similar to the male in coloration but in form more robust. Breeds on Acer spicatum and Viburnum acerifolium. Branford, 1 , 5 Ee aes ; ; (B. HW). 3 June, 1920 (B. H. W.); New Haven, 28 June, 1920 L. (Neolygus) clavigenitalis Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 632, 1917. 594 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Male: Length 4.8 mm., width 2.17mm.; yellowish brown, with darker brown on the clavus and apex of corium; resembling most the female of tiliae, and both sexes of inconspicuus; differs from those species by lacking the green, in having the pronotum evenly shaded with yellowish brown, and in being more brownish than fuscous on the hemelytra; genital claspers very distinctive of the species (fig. 128). Female: Length 5.1 mm., width 2.3mm.; slightly larger and more robust than the male but very similar in coloration; most likely to be confused with the females of teliae and snconspicuus, also resembling the pale forms of whurni and geneseensis. Points of difference are: iconspicuus is more greenish and the fuscous marks on clavus and apex of corium are more in contrast; tilsae is more green, particularly the pronotum, and the scutellum is darkened with fuscous; wiburns has nearly the whole corium brownish, apex of embolium darkened, and the apical half of antennae fuscous; geneseensis is very similar to wiburns except that the antennae are not fuscous, but the embolium is darkened to even a greater extent. Litchfield, 22 July, 1920 (P. G.). clavigenital : Lif gil YR SS Fic. 127. Lygus belfragitt Fic. 128. Lygus clavigenitalis Reuter,—male genital claspers, (a) Knight—male genital claspers, left clasper, lateral aspect, (b) (a) left clasper, lateral aspect, left clasper, dorsal aspect, (c) (b) left clasper, dorsal aspect, right clasper, ventral aspect. (c) right clasper, ventral aspect, Greatly enlarged. Drawing by Dr. Greatly enlarged. Drawing by Dr. H.. Be Kaieht. H. H. Knight. L. (Neolygus) hirticulus Van Duzee. Lygus tenellus Van Duzee, Buff. Soc. Nat. Sci., Bull. x, 484, 1912. Cornell Univ. Agr. Expt. Sta., Bull. 391, 633, 1917. Male: Length 4.8mm., width 2.28mm.; dark ferrugino- testaceous, sometimes entirely dark fuscous or blackish excepting the legs and antennae; genital claspers distinctive (fig. 129). No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 595 Female: Length 5.3mm., width 2.3mm.; slightly larger and more robust than the male; uniformly colored with yellowish brown or in some cases dark brown, hemelytra rarely much darker than pronotum; could easily be confused with fags, but may be distinguished by the membrane which is uniformly and faintly tinged with fuliginous and is never dark as in fagz. hirficulus Fig. 129. Lygus hirticulus Van Duzee,—male genital claspers, (a) left clasper, lateral aspect, (b) left clasper, dorsal aspect, (c) right clasper, ventral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. canadensis” Fic. 130. Lygus canadensis Knight,—male genital claspers, (a) left clasper, lateral aspect, (b) left clasper, dorsal aspect, (c) right clasper, ventral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. Breeds sparingly on several plants; reared from chestnut, beech, and woodbine. New Haven, 25 June, 1920 (B. H. W.). L. (Neolygus) canadensis Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 634, 1917. Male: Length 5.5 mm., width 2.08mm.; resembles omnivagus in general appearance; yellowish brown, clavus and apex of corium dark brownish, margins of the scutellum sometimes brown- ish; genital claspers distinctive (fig. 130). Female: Slightly more robust than the male, usually with less dark brown on the hemelytra. New Jersey, New York. L. (Neolygus) canadensis var. binotatus Knight. Cornell Univ. Agr. Expt. Sta., Bull. 301, 635, 1917. Male genital claspers similar to those of canadensis, but differs at least in having a very distinct ray behind each callus which extends to near basal margin of the disk; scutellum appears more convex and with dark brownish at the sides. New Jersey, New York. L. (Neolygus) ostryae Knight. Cornell Univ. Agr. Expt. Sta., Bull. 391, 635, 1917. 596 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Male: Length 5.8mm., width 2.36mm.; resembles pale and yellowish specimens of belfragt, usually slightly larger and more strongly yellowish brown in color; embolium and basal half of corium pale yellowish, clavus and apical half of corium brownish to dark brown, cuneus clear tinged with yellow; readily distin- guished by the two unusually large upturned prongs of the left genital clasper (fig. 131). osir Yae Fig. 131. Lygus ostryae Knight,—male genital claspers, (a) genital seg- ment, left lateral aspect, (b) left clasper, dorsal aspect, (c) right clasper, ventral aspect. Greatly enlarged. Drawing by Dr. H. H. Knight. Female: Length 6mm., width 2.4mm.; similar to the male in coloration but in form slightly larger and more robust. Breeds on Ostrya virginiana. Massachusetts, New York, Vermont. L. (Neolygus) nyssae Knight. Bull. Brook. Ent. Soc., xiii, 43, 1918. q ee, nyssae_ Fic. 132. Lygus nyssae Knight, —male genital claspers, (a) left clasper, dorsal aspect, (b) lateral aspect of left clasper and tip of venter, (c) right clasper, ventral aspect. Greatly enlarged. Draw- ing by Dr. H. H. Knight. laureae Fic. 133. Lygus laureae Knight, male genital claspers, (a) genital segment, left lateral aspect, (not to scale), (b) left clasper, dorsal aspect, (c) right clasper, ventral aspect. Greatly enlarged. Draw- ing by Dr. H. H. Knight. No. 34. ] HEMIPTERA OF CONNECTICUT: MIRIDAE. 597 Male: Length 5.5 mm., width 2.5 mm.; slightly more robust but in general structure similar to quercalbae; pronotum and scutellum evenly shaded with rich brown, clavus and corium darker brown; genital claspers distinctive of the species (fig. 132), most closely related to laureae. Female: Length 5.6mm., width 2.57 mm.; very similar to the male in size and coloration. Breeds on sour gum (JV yssa sp.). Lyme, 16 June, 1919 (B. H. W.). L. (Neolygus) laureae Knight. Cornell, Univ. Agr. Expt. Sta., Bull. 391, 636, 1917. Male: Length 6mm., width 2.4mm.; resembles communis but is larger; yellowish brown, tinged with pink; form of genital claspers very unusual and distinctive (fig. 133). Female: Length 6.4mm., width 2.6mm.; similar to the male but slightly more robust, and everywhere with more reddish; sides of the thorax and venter with more reddish than fuscous. Breeds on mountain laurel (Kalmia latifolia). New York, Pennsylvania. Dichrooscytus Fieber. D. suspectus Reuter. Acta Soc .Sci. Fenn., xxxvi, No. 2, 37, 1909. Length 5 mm., width 2mm.; very similar to rufipennis Fallen, if not identical; yellowish green, base of scutellum, hemelytra except embolium and inner angles of cuneus, deep reddish; membrane lightly infumed, veins reddish. Breeds on Pinus resinosa and P. sylvestris. Stonington, 15 July, 1914 (I. W. Davis). D. elegans Uhler. Proc. U. S. Nat. Mus., xxvii, 356, 1904. Length 3.5 mm., width 1.5mm.; bright green below, greenish above but tinged with reddish on hemelytra; in color quite resembling a small form of suspectus. Food plants: Red cedar (Juniperus virginiana) and white cedar (Thuja occidentalis). New York. D. viridicans Knight. Bull. Brook. Ent. Soc., xiii, 114, 1918. Male: Length 3.2mm., width 1.25 mm.; very similar in struc- ture to elegans, but bright green in color, the pubescence on prono- tum blackish and more conspicuous; head, coxae, and femora, often becoming pale to brownish; pronotum and scutellum some- times more yellowish green than bright green; cuneus. green, margins on the apical half reddish; membrane fuscous, cell veins sometimes reddish. 598 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Female: Length 3.3 mm., width 1.4mm.; slightly more robust than the male but not differing in coloration. _ Breeds on red cedar (Juntperus virginiana) ; sometimes found in company with elegans but of numerous specimens examined no variation is evident which would indicate that we are dealing with forms of a single species. Allotype: Male, 11 July, 1920, Taghanic, N. Y. (H. H. Knight) ; author’s collection. Long Island, N. Y. Polymerus Hahn. (Poeciloscytus Authors). Key to Species. 1. Rostrum reaching upon hind coxae, or slightly beyond ........... 2 Rostrum not reaching upon hind ‘coxae ......... ot eee eee 4 2. Rostrum scarcely attaining hind margins of posterior coxae ...... Rostrum reaching slightly beyond posterior coxae; yellowish brown and darkened with fuscous, cuneus red, or rarely paler basalis 3. Dorsum with pale and black; apical half of femora fulvous, tibiae pale; cuneus, and scutellum except basal angles, pale .......... nigropallidus n. sp. Dorsum uniformly black, or only very narrowly pale on tip of embolium and cuneus; apical half of femora reddish brown but with a subapical paler annulus; tibiae stained with reddish ..... tinctipes n. sp. 4. Rostrum reaching upon middle coxae ..........2.4-5-e5 oe Rostrum not reaching beyond hind margin of sternum ........... 5. Rostrum attaining hind margins of middle coxae; dorsum black, narrow apex of cuneus and slenderly each side of fracture, pale; tibiae. att Only DIACK xe -ceaktece «© -y.2tes Se Sele eee proximus n. sp. Rostrum just attaining middle of intermediate coxae; dorsum black and with pale, tip of scutellum and basal angle of corium pale, cuneus with pale, red, and: black .......-< 220% step unifasciatus 6. Rostrum not reaching beyond middle of sternum ................ 7 Rostrum nearly attaining posterior margin of sternum; legs rather uniformly fulvous but hind femora with a small group of fuscous Orn points on anterior face at middle of apical half ..... punctipes n. sp. 7. Tibiae fulvous or with pale . 22...) 2.5.0 sels oie 2 8 Tibiae black")... os oe boc oo ee 25 so 2 aioe 0 0,5) eee 9 8. Legs uniformly fulvous; cuneus and embolium pale or fulvous .. fulvipes n. sp. Legs red, apical one-third of femora black; tibiae yellowish, apices, and more or less broadly at base, black; antennal seg- ment ii yellowish, blackish apically ............- _....venustus n. sp. 9. Rostrum reaching behind front coxae, or to near middle of sternum 10 Rostrum scarcely attaining hind margins of front coxae; femora red with only apices black .......... hips /stateadvate sak ite gerhardi n. sp. to. Cuneus red; male with coxae black, and antennal segment 11 dis- tinctly more slender than segment 1; coxae yellow in female; dorsum black, somewhat shining, clothed with silvery sericeous | pubescence << 4/5. bei w ie welein b Biotin he = iui iele) = ie en venaticus Cuneus black; male with coxae yellow as in the female, antennal segment ii equally thick as segment i; dorsum deep black, opaque, scutellum and hemelytra clothed chiefly with black pubescence .. opacus n. sp. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 599 P. basalis (Reuter). Ofv. Kongl. Sv. Vet.-Akad. Forh., xxxii, No. 9, 73, 1876. Length 3.7-4.8mm., width 1.7-2.3mm.; pale to yellowish and darkened with fuscous and black; hemelytra yellowish translucent, clavus and apical half of corium chiefly fuscous; scutellum black, apex more or less pale; cuneus red, sometimes the embolium and legs also tinged with reddish; posterior femora with two subapical fuscous bands; clothed with silvery sericeous pubescence which appears golden yellow in certain lights. Food plant: Dog fennel (Anthemis). East River, Sept, 1910 (C. R. E.); New Haven, 24 June, 10920 Pees i.) 20 July, 19004 (W.-E. B.), 12 July, tor6é (M. P: Z.); °16 ei re 6 July, 1911, 28 Aug., 1910 (B. H. W.); Orange, 23 July, 1904 mt B.). P. nigropallidus Knight, new species. Male: Length 4.3mm., width 1.8mm. Head: Width I mm., vertex .34mm.; collum broadly exposed; black, carina, spot each side of vertex bordering eye, median line on vertex and front, lora, bucculae, and stripe each side of gula, pale; head shaped nearly as in basalis. Rostrum, length 1.72mm., nearly attaining hind margins of posterior coxae, yellowish, apex blackish. Antennae: Segment i, length .gomm., black; 1, 1.63 mm., cylindrical, nearly equal in thickness to segment i, black, clothed with short black pubescence; iii, .74.mm., black; iv, missing. Pronotum: Length .93 mm., width at base 1.6mm.; obscurely transversely rugulose, moderately shining, clothed with sericeous, pale to yellowish pubescence; black, collar, anterior margins of calli and just before, between calli and a rather broad spot on median line of disk but rarely reaching basal margin, basal margin but more broadly at basal angles, pleura except near dorsal margin, pale to yellow. Scutellum pale or yellow, basal angles and the mesoscutum black; finely transversely rugulose, yellowish pubes- cent. Sternum yellowish to brownish; pleura yellowish, ostiolar peritreme pale. Hemelytra: Embolar margins only very slightly arcuate; pale, inner half of clavus and slightly bordering claval suture, blackish; apical half of corium with a blackish stripe lying just within radial vein, the outer margin bordering embolium blackish except near apex; cuneus pale translucent, clothed with dark pubescence as on apical half of embolium and outer margin of corium; clavus except bordering commissure, and inner half of corium, clothed with yellowish sericeous pubescence. Membrane uniformly dark fuscous, veins and narrowly bordering apex of cuneus, pale. Legs: Fulvous, coxae and tibiae more yellowish or testaceous, spines and pubescence black; hind femora with two or three fine fuscous points on ventral margin; apical tarsal segment and a spot on knee of posterior tibia, fuscous. Venter rather uniformly bright yellow, pale pubescent. 600 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Female: Length 4.5mm., width 2.3mm.; very similar to the male, the pronotum somewhat more broadly pale; basal angle of cuneus reddish. Holotype: Male, 23 June, 1907, Brown’s Mills Junction, N. J.; author’s collection. Allotype: same data as the type. Paratypes: Male and females (3), taken with the types. Specimens kindly presented to the writer by Dr. C. J. Drake. : Polymerus tinctipes Knight, new species. Male: Length 3.7 mm., width 1.63 mm. Head: Width .94 mm., vertex .44mm.; black, each side of vertex with a yellow spot bordering eye; clothed with pale sericeous pubescence. Rostrum, length 1.66mm., attaining or slightly exceeding hind margins of posterior coxae, piceous, yellowish at joints, basal segment chiefly reddish. Antennae: Segment i, length .33mm., black; ii, 1.40mm., cylindrical, more slender at base but apical half equal in thickness (.086mm.) to segment i, black, closely set with yellowish and dusky pubescence; iii, .66mm., blackish, somewhat thickened, tapering to more slender apically; iv, .50mm., slender, brownish black. Pronotum: Length .78mm., width at base 1.40mm.; black, obsoletely rugulose, lower pleural margin and the xyphus pale; clothed with simple pale and sericeous silvery pubescence. Scutel- lum black, transversely rugulose, clothed with sericeous white pubescence. Sternum and pleura black, silvery pubescent; ostiolar peritreme fuscous, posterior margin somewhat yellowish. Hemelytra: Embolar margins moderately arcuate; obsoletely scabriculous, slightly shining; clothed with sericeous silvery pubes- cence; black, narrow apex of embolium and of cuneus pale. Membrane uniformly dark fusco-brownish, narrowly paler border- ing apex of cuneus, veins brownish. Legs: Coxae pale, a black spot on basal angle; femora yellow- ish, apical half reddish but divided by a yellowish annulus, ventral margin with an irregular row of six to eight fuscous dots, each dot formed at base of a prominent hair; tibiae reddish over a yellowish background, spines, pubescence, and spot on knee, black ; tarsi fuscous. Venter black, clothed with white and dusky pubescence. Female: Length 4.2mm., width 2.1mm.; embolar margins strongly arcuate; more robust than the male but very similar in coloration, the pale spots on vertex and tip of embolium slightly enlarged; antennal segment ii more slender than in the male, not attaining thickness of segment 1. Holotype: Male, 3 May, 1915, Great Falls, Md. (J. D. Hood); collection of W. L. McAtee. Allotype: taken with the type; author’s collection. Paratypes: Males (2), taken with the types (J. D. Hood); collected “on lichen covered rock.” No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 601 P. proximus Knight, new species. Closely related to ntgritus Fallen but distinguished by the uni- formly dark tibiae; length of antennal segment i equal to width of vertex while in nsgritus segment i is shorter. Male: Length 5.3 mm., width 2.7mm. Head: Width 1.13 mm., vertex .54mm.; black, a yellowish spot each side of vertex near eye. Rostrum, length 1.8mm., barely attaining hind margins of middle coxae, black, segment 11 brownish. Antennae: Segment i, length .60 mm., thickness .114 mm., black; ii, 2.2mm., cylindrical, thickness .o86 mm., brownish black, deep black at base, clothed with brownish pubescence; iti, .85 mm., dark brownish; iv, missing. Pronotum: Length 1.18mm., width at base 2.1 mm., posterior half of disk strongly convex, transversely wrinkled, uniformly deep black, slightly shining; clothed with yellowish to sericeous pubescence. Scutellum deep black, slender apex yellowish, trans- versely wrinkled. Sternum and pleura black, ostiolar peritreme pale to yellowish, becoming darker above. Hemelytra: Embolar margins moderately arcuate; black, anal ridge, slender tip of embolium, and narrow base and apex of cuneus, pale; opaque, slightly shining, clothed with yellowish and black pubescence intermixed. Membrane and veins uniformly dark fuscous. Legs: Uniformly black, in paler forms the tibiae uniformly brownish black but with no indication of annulations. Venter uniformly black, clothed with pale to yellowish pubescence. Female: Length 5.3 mm., width 2.8 mm.; embolar margins more strongly arcuate than in the male, but general coloration similar. Head: Width 1.11 mm., vertex .57mm. Antennae: Segment i, length .57 mm., thickness .10 mm.; ii, 1.7 mm., thickness .o8 mm., cylindrical, more slender than in the male. Holotype: Male, Greensburg, Pa. (Wirtner) ; Cornell Univ. collection. Allotype: 18 May, 1905, Columbia, Mo. (C. R. Crosby). Paratype: Male, 12 June, 1922 Faribault, Minn. (H. H. Knight). P. unifasciatus Fabricius var. lateralis (Hahn). Phytocoris lateralis Hahn, Wanz. Ins., 1i, 85, fig. 169, 1834. Reuter, Hem. Gymn. Eur., v, 55, 361, 18096. Length male 5.6mm., width 2.6mm.; female, length 5.2 mm., width 2.65 mm.; clothed with golden, sericeous tomentose pubes- cence, and intermixed with blackish pubescent hairs; black, scutel- lum apically, basal angle of corium, anal ridge and invading inner angle of corium, apically on embolium and corium bordering cuneus, base and apex of cuneus, tibiae, apical one-third of front and middle femora, basal half and two subapical bands on hind femora, pale to testaceous; basal one-third of antennal segment ii, but more broadly in the female, testaceous to brownish; cuneus with inner half red, outer margin black except for pale at base and 602 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. apex; membrane fuscous, veins and central area paler, a small clear spot bordering apex of cuneus. Breeds on Galium boreale in Minnesota. Colorado, Minnesota, New York, Canada, Maine. The typical untfasciatus is more broadly pale than variety lateralis, the embolium and corium pale except for a small fuscous patch on apical area of corium. Specimens of the typical form from North America have not been examined by the writer. Polymerus punctipes Knight, new species. Legs, embolium, and outer margins of cuneus, fulvous; hind femora with a small group of fuscous points on anterior face at middle of apical half. Male: Length 4.6mm., width 2mm. Head: Width .97 mm., vertex .47 mm.; black, a yellow spot each side of vertex bordering eye; yellowish pubescent. Rostrum, length 1.23 mm., almost attaining hind margin of sternum, yellowish, apex blackish. Antennae: Segment i, length .51 mm., black, narrowly yellowish at base; 11, 1.85 mm., nearly cylindrical, slightly thicker on middle, nearly equal in thickness to segment i, black, clothed with black and pale pubescence intermixed ; iii, .66 mm., yellowish and tinged with dusky; iv, .80 mm., dusky. Pronotum: Length 1 mm., width at base 1.7 mm.; black, slightly shining, disk transversely rugulose; clothed with pale and yellow- ish sericeous pubescence. Scutellum black, transversely rugulose, clothed with yellowish pubescence, more sericeous on basal angles. Sternum and pleura black; ostiolar peritreme yellow, becoming dusky on anterior lobe. Hemelytra: Embolar margins slightly arcuate on apical half; black, embolium and outer margin of cuneus yellowish or fulvous ; surface scabriculous, slightly shining, clothed with golden sericeous pubescence and intermixed with darker pubescent hairs. Mem- brane rather uniformly fusco-brownish, a small nearly clear spot bordering apex of cuneus, veins yellowish. Legs: Fulvous, spot on knee and apical tarsal segment blackish ; hind femora with a group of from two to five fuscous points on anterior face at middle of apical half, a prominent hair arising from each of the two lower points; pubescence pale to yellowish, but blackish on apical half of femora. Venter black, clothed with pale to yellowish pubescence. Female: Length 5.2mm., width 2.4mm.; embolar margins strongly arcuate on apical half; pubescence and color similar to that of the male. Rostrum, length 1.31 mm., nearly attaining hind margin of sternum. Holotype: Male, 4 July, 1915, Four Mile, N. Y. (H. H. Knight) ; author’s collection. Allotype: same data as the type. Paratypes: District oF CotumMsBra—Female, 12 June, 1906, Brightwood (O. Heidemann). FLoripa —Female, “Jacksonville.” Matne—Male, 22 July, 1909, Machias (C. W. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 603 Johnson). Maryranp—Males (2) and female, 4 June, 1914, Branchville to Beltsville (W. L. McAtee). Minnesota—Female, 8 July, 1921, Lake City (A. A. Nichol). Female, “Minn.” Nrw Yorx—Males (12) and females (18), taken with the types. Male, 7 July, 1917, female, 5 July, 1920, Cranberry Lake (C. J. Drake). Onto—Male, 11 June, 1917, Sugar Grove (C. J. Drake). QursEec—Female, 6 July, 1918, Montreal (G. A. Moore). The writer swept this species from scattering plants of Lysi- machia quadrtfolia which were found growing along an old clay roadway. *P. fulvipes Knight, new species. Closely related to punctipes but distinguished by the shorter rostrum; cuneus, embolium, and legs, fulvous. Male: Length 4.5 mm., width 2.2mm. Head: Width .94mm., vertex .43 mm.; black, a yellow spot each side of vertex bordering eye; yellow pubescent. Rostrum, length .97 mm., just attaining middle of sternum, yellowish, apex blackish. Antennae: Segment i, length .48 mm., yellow, apex and pubes- cence black; 1, 1.71 mm., thickness .114mm., cylindrical, equal in thickness to segment i but narrowed at base; iii, .54mm., fuscous; iv, .68 mm., blackish. Pronotum: Length 1.04mm., width at base 1.73 mm.; black, nearly as in punctipes, pubescence golden yellow. Scutellum black, minutely transversely rugulose, clothed with sericeous golden pubescence. Sternum and pleura black, ostiolar peritreme yellow. Hemelytra: Embolar margins slightly arcuate; black, embolium and cuneus fulvous, surface scabriculous, slightly shining, clothed with sericeous, deep golden pubescence, and intermixed apically with a few dark pubescent hairs. Membrane dark fuscous, a narrow pale spot bordering apex of cuneus, veins yellowish. Legs: Fulvous, tarsi and tips of tibiae fuscous; hind femora usually with one small fuscous dot at base of a prominent hair, set on anterior face at middle of apical half. Venter black, yellow to golden pubescent. Female: Length 5.1mm., width 2.6mm.; embolar margins more distinctly arcuate than in male; similar to the male in pubes- cence and color, but antennal segment 11 slightly more slender. Rostrum, length 1.04 mm., just attaining middle of venter, fulvous, blackish at apex. Holotype: Male, 4 July, 1915, Four Mile, N. Y. (H. H. Knight) ; author’s collection. Allotype: same data as the type. Paratypes: CoNNECTICUT— Females (2), 14 June, 1920, New Haven (B. H. Walden). Males (2), 21 June, 1921, Danielson (J. T. Ashworth). Male, 26 June, 1916, South Meriden (H. L. Johnson). NEw Yorx—Male and female, taken with the types. Females (4), 4-7 July, 1915, Bayshore, Long Island (C. E. Olsen). Female, 14 June, 19090, Pinelawn, Long Island (Wm. T. Davis). NortH CaROLINA—Female, 30 June, 1912, Black Mountains (Beutenmuller). Males (2) and females (2), 8 June, 1916, Craggy Mountains (R. W. Leiby). SoutH Daxota—Female, 25 June, 1919, Brookings (H. C. Severin). 604 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Polymerus opacus Knight, new species. Dorsum black, opaque, clothed with silvery and dusky, sericeous pubescence; antennal segment 11 of male equal in thickness to segment 1, slightly more slender in the female; legs black, coxae and basal half of femora yellowish. , Male: Length 4.3mm., width 2mm. Head: Width .ot mm., vertex .46mm.; black, a small yellowish spot each side of vertex bordering eye; clothed with sericeous silvery pubescence and inter- mixed with dusky simple pubescence. Rostrum, length .g4 mm., just attaining middle of venter, piceous, yellowish on joints. Antennae: Segment i, length .49 mm., thickness .114 mm., black; li, 1.74mm., cylindrical, thickness .114mm., narrowed at base, black, rather closely dusky pubescent and beset with more promi- nent black pubescent hairs; ii, .64mm., tapering from thicker at base to more slender at apex, brownish black; iv, .66 mm., blackish. Pronotum: Length .o1 mm., width at base 1.6mm.; black, scarcely shining, surface minutely granulate; clothed with seri- ceous silvery pubescence; anterior angles with a glabrous opaque spot, present in other species but more conspicuous in this form; lower pleural margin narrowly pale just before coxal cleft. Scutellum transversely rugulose, silvery to dusky pubescent. Sternum dull black, median line yellowish, pleura black; ostiolar peritreme yellowish, anterior lobe becoming fuscous. Hemelytra: Embolar margins distinctly arcuate; black, opaque, clothed with silvery to dusky, sericeous pubescence; cuneus uni- formly black, dark pubescent. Membrane uniformly brownish black, narrowly paler bordering apex of cuneus, veins yellowish to dusky. ee Black, coxae, basal half of femora, and two basal seg- ments of tarsi, yellow to fulvous; a nearly obsolete, narrow yellowish annulus just beneath knee. Female: Length 4.8mm., width 2.4mm.; more robust and embolar margins more strongly arcuate than in the male, but very similar in coloration. Rostrum, length 1.06mm., just attaining middle of sternum. Breeds on Aster umbellatus. Holotype: Male, 3 July, 1920, McLean Bogs, Tompkins County, N. Y. (H. H. Knight); author’s collection. Allotype: same data as the type. Paratypes: Males (16) and females (10), taken with the types on Aster umbellatus. Matne—Male and females (2), 19 July, males (4) and females (7), 22 July, female, 25 July, females (2), 26 July, 1909, Machias (C. W. Johnson). New Yorx—Male, 20 July, 1917, males (2) and females (2), 3 Aug., male, 25, Aug., 1920, The Plains (C. J. Drake). VERMontT—Female, Ir July, 1908, Mt. Ascutney (C. W. Johnson). ONnrtarto—Males and females (18), 10 July, female, 15 July, males (2) and females (2), 27 July, Parry Sound (i. S. Parish). P. venaticus (Uhler). Uhler, Hayden’s Surv. Terr., Rept. for 1871, 414, 1872. Male: Length 5.9 mm., width 2.3 mm.; hemelytra elongate, tip of abdomen attaining middle of cuneus, embolar margins very No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 605 slightly arcuate; black, moderately shining; thickly clothed with sericeous, pale pubescence, a few black hairs on embolium and cuneus; cuneus fulvous or reddish. Head: Width 1I.04mm., vertex .46mm. Rostrum, length 1.09 mm., just attaining middle of sternum, piceous, scarcely paler at joints. Antennae: Segment ii, length 2.31 mm., cylindrical, not equal to thickness of segment i. Legs: Black, basal half of hind and middle femora, anterior face of front femora except apically, and two basal segments of tarsi, yellow. Female: Length 5mm., width 2.57mm.; embolar margins strongly arcuate; shorter, more ovate and robust than the male; coloration similar to the male except the coxae; coxae always yellowish except for spot at base. Uhler’s description of the legs was undoubtedly drawn from a female specimen since the leg colors are distinctive of the sex in this species. A specimen in the U. S. N. M. collection has been labeled type, but that particular specimen could scarcely have served for the original description since it does not agree with the original in some essential characters. Uhler’s statement “and sometimes the costal margin red or yellow” does not apply to venaticus, and the statement by itself implies that the type would not have the embolium yellow. In referring to the form with yellow embolium the author probably had in mind one of the eastern species herein described as punctipes or fulvipes. Of about 200 specimens of venaticus which the writer has examined, the embolium is never yellowish except narrowly at extreme apex. Breeds on Solidago alttsswma. Cheshire, 23 June, 1919 (M. P. Z.) ; Colebrook, 20 July, 1905 (W. E. B.) ; Green’s Farms, 24 June, 1904 (W. E. B.) ; Litchfield, 22 July, 1920 (P. G.); West Haven, 27 June, 1904 (H. L. V.). P. venustus Knight, new species. Male: Length 5.2mm., width 2.3mm. Head: Width I.o1 mm., vertex .38 mm.; black, a yellow spot each side of vertex bordering eye, lower margin of jugum and upper margin of lorum, red; clothed with sericeous pale pubescence. Rostrum, length 1.14 mm., scarcely exceeding posterior margins of front coxae, piceous, paler at joints. Antennae: Segment i, length .81 mm., black, unusually long and thickened (.157mm. thick); ii, 2.06mm., cylindrical, thickness .07 mm., yellowish, apical one-third black, pubescence taking color of surface beneath; ili, 1.02mm., slender, yellowish to fuscous, darker apically; iv, 1.03 mm., blackish. Pronotum: Length 1.03 mm., width 1.74 mm.; surface minutely granulate and transversely wrinkled; clothed with yellowish to golden, sericeous pubescence; black, lower pleural margin slenderly reddish. Scutellum black, surface and pubescence as on 606 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. pronotal disk. Sternum and pleura black; ostiolar peritreme yellowish to reddish. : Hemelytra: Embolar margins moderately arcuate ; black, opaque, surface rather irregularly roughened, somewhat scabriculous; clothed with golden and dusky sericeous pubescence. Membrane uniformly dark fuscous, scarcely paler bordering apex of cuneus, veins yellowish. Legs: Coxae and basal half of femora deep translucent red, lateral aspect of coxae, but more apically on front pair, becoming fuscous; apical one-half to one-third of femora black, a blackish cloud forming on anterior face of front pair near base; tibiae yellowish to fulvous, basal one-third and the apices black; tarsi yellowish, apical half of third segment fuscous. Venter black, clothed with sericeous silvery pubescence, and on genital segment with simple yellowish dusky hairs. Female: Length 5.7mm., width 2.6mm.; embolar margins more strongly arcuate apically; more robust than the male but very similar in coloration; antennal segment 1 equally thick as that of the male but segment 11 slightly more slender. Holotype: Male, 3 July, 1919, Warren Woods, Berrien County, Mich. (R. F. Hussey); author’s collection. Allotype: taken with type. Para- types: Frorrpa—Females (2), 23 Mar., 1921, Dunedin (W. S. Blatchley). MicuicAN—Male and female, 26 June, male and females (3), 27 June, male, 3 July, type locality; males (3) and females (2), 30 June, 1919, male, 5 July, 19020, New Buffalo, Berrien County (R. F. Hussey). NortH Caro- LINA—Male, 21 June, Fayetteville (C. S. Brimley). Vircrnra—Male, July, 1908, Hampton. Polymerus gerhardi Knight, new species. Female: Length 6.4mm., width 2.8mm. Head: Width 1.16 mm., vertex .51 mm.; black, vertex pale at each side; clothed with sericeous white pubescence. Rostrum, length 1.08 mm., not attaining hind margins of front coxae, piceous, basal segment and joints reddish. Antennae: Segment i, length .64 mm., thickness .143 mm., black ; ii, 2.03 mm., thickness .o86 mm., cylindrical, black, rather closely blackish pubescent; iii, .96mm., fusco-brownish; iv, .88mm., fuscous. Pronotum: Length 1.24mm., width at base 2.14mm.; black, scarcely shining, rather irregularly rugulose; thickly clothed with sericeous white pubescence ; margins of xyphus, and narrow lower margins of pleura, yellowish. Scutellum black, pubescent as on pronotal disk. Sternum and pleura black; ostiolar peritreme yellowish. Hemelytra: Embolar margins moderately arcuate ; black, opaque, thickly clothed with sericeous white pubescence intermixed with more erect, simple black pubescent hairs. Membrane and veins uniformly dark brownish black, scarcely paler bordering apex of cuneus. No. 34. |] HEMIPTERA OF CONNECTICUT: MIRIDAE. 607 Legs: Coxae and femora deep red, coxae more yellowish or orange; tips of femora, tibiae, and tarsi, black; tibiae unusually thick for the genus, spines and pubescence also black. Venter black, thickly clothed with sericeous white pubescence and inter- mixed with more erect, dark pubescent hairs. Holotype: Female, 1 July, 1o1z, Hessville, Ind. (W. J. Gerhard) ; author’s collection. Paratypes: Females (5), collected “at light” with the type. Among material from the U. S. National Museum the writer finds a Specimen, male, 15 April, 1006, Cotulla, Texas (F. C. Pratt), that apparently belongs to this species although it is much smaller than the females from Indiana. The writer takes pleasure in naming this large and beautiful species after the collector, Mr. W. J. Gerhard. Poecilocapsus Reuter. P. lineatus (Fabricius). Four-lined leaf bug. (Plate xvi, 18.) Lygaeus lineatus Fabricius, Ent. Syst. Suppl., 541, 1708, Cornell Univ. Agr. Expt. Sta., Bull. 58, 1893. Length 7-7.5mm., width 3.5mm.; greenish yellow with four black lines on the dorsum; certain specimens have the yellow of the hemelytra replaced with bright green. Breeds on a large number of herbaceous plants, but especially on Rumex; occasionally becomes a pest on currant bushes. Bantam, 19 June, 1914 (W. E. B.); Branford, 23 June, 1905 (H. L. V.); 2a one, roo5 (H. W. W.); New Haven, 12 June, 1806 (W. E. B.); 14 June, 1905 (B. H. W.); Stonington, 5 July, 1906 (J. A. H.). Horcias Distant. Key to color varieties of dislocatus Say. MePieEe TCG anit mlacks /, 245.4. 5 5< cule 6 sable ods siclilelce’ dell 6 OS ad dees 2 Mmmenmack win pale or entirely black (scccci5 ce os ea eevee ale vis 7; Beeneniriant aore of less black Of) lb. ec. coke cacti eeaqeus 3 PEIMMERUHUOtMalY TEM each awe wate ae e CORO Tes PAL 4 3. Pronotal disk bivittate with black on basal half ..... typical dislocatus Pronotal disk black on basal half but not vittate ..variety goniphorus pelacireiyita ted or only slichtly imiftiscated ....0.0.ccsccsmecceness Pemenwii proaaly black, or entirely ‘black J... 500 cua s ees ees 6 PRB SIICCN AT DISC: Wied cca ds sleds sswses cee secedeeess variety coccineus Scutellum red as well as the whole dorsum ....variety rubellus n. var. Semitiemicivita tditrotnaly, Wack |... ace ss emis scmte en sass n variety residuus Hemelytra with lateral margins red ............ variety gradus n. var. Paeeee cone more Or less) pale... a...0.5. dade candle ce eh ees den eic ReeaMON IEE TONIOR OSU IY [MACK 25 ay oe, wee: <6: we5\ ociwin)e een wih « m0 9e Se tele a essere 12 Pee seatrolait mntroriiy, Black 2.6.6 i.e sce cece dee ee badd ewwwocwecs 9 Bernal wun median line Pale oli.) csc. 3s ele es so Mine Se eee oaleicd a 10 9. Hemelytra with lateral margins broadly pale, claval suture never Pr eae Le Nae eke ole ei cle ha aoa psle oie vel variety limbatellus Hemelytra with lateral margins slenderly pale, claval suture bordered each side with pale ............... variety scutatus n. var. er ee ewe emir ue pein te is Fae bi ciclc e v's ee ok eos ea ele pee ade ees II Clayustinitommly, Diack <...6..6nes ees jeenee variety nigriclavus n. var. 608 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. tr. Corium black bordering :claval sutare: 122/222: hee variety affinis Corium pale bordering claval suture .......... variety flavidus n. var. 12. (7) Hemelytra uniformly black, or only slenderly pale at base of VECIUS a bocin bu pita a Bina le © wim ele ee le ee ate ea 13 Costal margin and frequently base of radius, pale .. variety marginalis 13. Legs pale testaceous, or blackish only at base of femora ........ i variety pallipes Femora black, or only the apices pale, tibiae chiefly testaceous .... } variety nigritus H. dislocatus (Say) typical. (Plate xvi, 19.) Capsus dislocatus Say, Heter. N. Harm., 21, 1832; Compl. Writ., i, 3309, 1859. Bull. Buff. Soc. Nat. Sci., x, 484, 1912. Length 6.2 mm., width 3 mm.; pale rufo-sanguineus; antennal segments i and ii, tylus, juga, base of vertex, two wedged-shaped approximate spots on basal half of pronotal disk, scutellum except- ing median line, inner half of clavus, inner apical angles of corium, membrane, pleura, coxae excluding the anterior pair, and venter, black. Food plants: Smuilacina racemosa, Geranium maculatum, Scro- phularia leporella, and occasionally Caulophyllum thalictroides. The different color varieties may occur on any of these food plants. Branford, 3 July, 1oo5 (H. W.,W.); Cornwall, 1 Joly (6) Bowe. New Haven, 1 June, 1911 (B. H. W.); 6 July, 1904 (H. L. V.); Walling- ford, July, 169r CD. J.C): H. dislocatus var. coccineus (Emmons). . Phytocoris coccineus Emmons, Nat. Hist. N. Y., Agr., v, pl. 30, fig. 2, 1854. Bull. Buff. Soc. Nat. Sci. x, 484, 1912. Similar to dislocatus except that the pronotum and hemelytra are nearly or quite immaculate, the scutellum entirely black. Branford, 29 June, 1905, 5 July, 19005 (H. W. W.). H. dislocatus var. rubellus Knight, new variety. Similar to coccineus but the scutellum as well as the whole dorsum, uniformly bright red. Holotype: Male, 18 June, 1919, University Farm, St. Paul, Minn. (H. H. Knight). Paratypes: Males and females (6), topotypic. Female, 8 July, 1914, Lake Itasca, Minn. (S. A. Graham). H. dislocatus var. goniphorus (Say). Capsus goniphorus Say, Heter. N. Harm., 21, 1832: Compl. Writ., i, 341, 1850. Bull. Buff. Soc. Nat. Sci., x, 484, 1912. Similar to dislocatus except the black on pronotum not divided: uniformly black on scutellum, clavus, and corium; femora and front coxae black. Branford, 13 July, 1919 (B. H. W.); 28 July, 19005 (H. L. V.); Kil- lingworth, 27 June, 1920 (W. E. B.); New Haven, 1 June, 1911 (B. H. W.); Norwalk, 24 June, 1920 (W. E. B.). No. 34. |] HEMIPTERA OF CONNECTICUT: MIRIDAE. 609 Hz. dislocatus var. gradus Knight, new variety. Similar to variety goniphorus except that the pronotum is uni- formly red and the hemelytra more broadly black. Holotype: Male, 19 June, 1919, University Farm, St. Paul, Minn. (H. H. Knight). Paratypes: Males (3), topotypic. H. dislocatus var. residuus Van Duzee. Bull. Buff. Soc. Nat. Sci., x, 484, 1912. Hemelytra and scutellum black, pronotum uniformly red. Indiana, Minnesota, Ohio. H. dislocatus var. limbatellus (Walker). Cat. Heterop., vi, 93, 1873. Similar to variety goniphorus except that the red is replaced by yellow or pale. Branford, 5 July, 1905 (H. W. W.); New Haven, 1 June, to11 C6... W.). H. dislocatus var. affinis (Reuter). Ofv. Kongl. Sv. Vet.-Akad. Forh., xxxii, No. 9, 74, 1876. Similar to typical dislocatus but the red color replaced by fulvo- testaceous, hemelytra more broadly black; claval vein and spread- ing to margin, along radius, narrow costal margin, and cuneus except apex, fulvo-testaceous; corium never pale bordering claval suture. Men27 june, 1920 (K. F. C.);, New Haven, 18 June, 1918 (M: P. Z.) ; Norwalk, 24 June, 1920 (W. E. B.); Wilton, 24 June, 1920 (M. P. Z.). *H. dislocatus var. flavidus Knight, new variety. Similar to variety affints but more broadly pale; corium broadly pale bordering clavus. Holotype: Male, 4 July, 1916, Four Mile, N. Y. (H. H. Knight). Paratypes: Males and females (7), topotypic. CoNNeEcTICUT—Male, 24 June, Wilton (M. P. Zappe). Male, 24 June, Norwalk (W. E. Britton). Female, 27 June, Kent (K. F. Chamberlain). Nrw Yorx—Female, 12 July, Batavia; Female, 21 June, males (2), 27 June, 1914, Portageville (H. H. Knight). H. dislocatus var. scutatus Knight, new variety. Similar to variety flavidus but with black color on disk of prono- tum undivided and the scutellum uniformly black. Holotype: Female, 4 July, 1916, Four Mile, N. Y. (H. H. Knight). H. dislocatus var. nigriclavus Knight, new variety. Similar to variety affinis but with clavus uniformly black, radius pale on basal half; black color on pronotal disk scarcely divided at basal margin by median pale vitta. Holotype: Male, 5 July, 1915, Four Mile, N. Y. (H. H. Knight). Paratypes: Males (9) and females (7), topotypic. Female, 18 June, 1914, Batavia; males (3), 14 June, 1914, Ithaca; female, 22 June, 1916, male, 27 June, 1915, Portageville (H. H. Knight). H. dislocatus var. marginalis (Reuter). Poecilocapsus marginalis Reuter, Ofv. Kongl. Sv. Vet.-Akad. Forh., xxxii, No. 9, 75, 1876. 20 610 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Bull. Buff. Soc. Nat. Sci., x, 484, 1912. Black, slender costal margin and usually line on base of radius, white ; both vertex and the tibiae more or less pale. New York. H. dislocatus var. pallipes Van Duzee. Bull. Buff. Soc. Nat. Sci., x, 484, 1912. Black, legs pale testaceous, or blackish only at base of femora. South Meriden, June (H. L. J.). H. dislocatus var. nigritus Reuter. Acta Soc. Sci. Fenn., xxxvi, No. 2, 41, 1900. Bull. Buff. Soc. Nat. Sci., x, 484, 1912. Black, apices of femora, and tibiae chiefly, testaceous ; sometimes with vertex and slender line on base of radius pale. Branford, 13 June, 1919 (B. H. W.); Cornwall, 3 July, 1920 (K. F. C.); Darien, June; New Haven, 6 July (H. L. V.); South Meriden, July; Winnipauk, June. Adelphocoris Reuter. A. rapidus (Say). (Plate xvi, 21.) Compl. Writ., 1, 339, 1859. Length 7mm., width 2.8mm.; dark brown, hemelytra with costal margins pale; pronotum yellowish brown and with two black spots. Common species; breeds on Rume-x in the northern states. Branford, 19 Sept. 1904 (H. W. W.); Chapinville, 27 Aug., 1904 (W. E. B.); East Hartford, 2 Aug., 1905 (6B. H. W.); Hamden) 12 jay, 1911 (W. E. B.); New. Haven, 24 June, 1902 (E. J. S. M.), 10 July, 2005, 29 Sept., 1902 (B. H. W.); Scotland, 27 July, roo4 (B. Hi. W.) 7 3Stameces 24) Aus. 1005 (W-.'E. B.); Torrington, 7 July, 1905 (W. E. B.); West Haven, 27 June, 19005 (H. L. V.); Yalesville; 19 Oct, 19003 (E> ee Calocoris Fieber. C. norvegicus (Gmelin). iad norvegicus Gmelin, in Linnaeus, Syst. Nat., Edn. 13, i, pt. 4, 2176, =, Reuter, Hem. Gymn. Eur., v, 204, 377; pl. 7, fig. 4, 1806. Length 6.7 mm., width 2.6 mm.; yellowish green, with two small black spots on pronotum, one behind each callus; clothed with black and golden yellow pubescence intermixed. Occurs on grasses. Greenwich, 24 June, 1921 (W. E. B.); Stratford, 9 July, 1920 (5. HW): Paracalocoris Distant. Key to Species. 1. Hind tibiae thickly clothed with long erect hairs which obscure or become confused with the tibial spines ................-05- scrupeus Hind tibiae with hairs shorter and more appressed, especially on inner side, hairs not easily confused with the true spines ........ Z No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 611 2. Antennal segment i as long as, or longer than pronotum ......... 3 Antennal segment i shorter than length of pronotum ............ 3. Basal width of pronotum exceeding 2mm.; color everywhere except discal spots and membrane, a lighter or darker reddish GO Gee nie Relea v cial a ee alae cyoise blast cont ate\almd sta cis 5 s!aia.ajayaial 4/e sian adustus Basal width of pronotum less than 2mm.; coloration chiefly fusco- piceous, frequently pale on costal margin ...............06. hawleyi 4. Antennal segment ii not exceeding 2.2mm., in length ............ Antennal segment ii at least 2.4mm. in length, usually longer; segment i nearly equaling length of pronotum; basal width of pronotum at least 2.2mm., usually greater ................-. limbus 5. Color above pale brown, mottled with several large and numerous minute yellow spots, largest spots at middle and apex of corium, the apical half of scutellum yellow; legs and antennal segment i with brown and yellow variegated, segment ii with apical one- Mmm MDP AGHSURE ti Miers ora. Fat hoe Aish wae ais ci sie eo eim yaehln we multisignatus RSET RG COT RN ies Sd nah fava en) Hs « be &.s/ bm ald sees Seas oe 6 6. Color dull tawny red, variegated with yellow; indistinctly striped with yellow on pronotum, scutellum, and hemelytra; form short ENRERRS TCHS ies ht Tiida ay ics, Dew ed weal ioe wack heidemanni Color stramineous to dark brownish gray, or dark brown, varie- gated with paler maculae; antennal segment ii with narrow annulus at base and the apical one-third blackish, basal half yellowish brown but paler at each extremity bordering the black ROME Fu. 215 5. ges Fe hinis ha SO veh Wi G Ses. s sla aitiale: Raheimidin Biel colon Key to color varieties of scrupeus Say.* 1. Hemelytra with costal margin colored similarly to disk of corium 2 Hemelytra with costal margin, or at least the cuneus, distinctly eave oldr tian) GIS’ OF (COLUM oo... 6. ee eee ec cece pace eee 9 2. Pronotum with dark markings in addition to the discal spots ..... 3 Pronotum without definite dark markings in addition to discal spots 8 3. Pronotal disk and scutellum orange to pale red, anterior to discal spots dusky to piceous, basal angles of disk usually with piceous Mama tinte OG IESS ClOUMEG (2502666 6. lS tele de cade cecwiegeucvase 4 Peetiprdivcdisk Otierwise marked! 2.25.24 6s)les 6s. od dev Lou bbleeeee ees 5 MPRA EUSCO-PICCOUS 22 bs eae ake LL o ahecta ot ele eld ewes typical scrupeus Corium dark red, cuneus somewhat lighter ............ variety rubidus SIE Ta PITTS WTC AIGKS)” hs npcfals acs 's- cpns oinies g wiajs os Se hoe ein che ele os « 6 Pronotum pale except for indistinct vittae and dusky maculations from discal spots to posterior margin, and between these and lateral margins; a broad pale vitta traversing scutellum, thorax, and top of head; corium yellowish brown ........ variety percursus REPRE STEEN EAE Me ay ftp St eka, afc ce aey ons o, cbe® ah 8 oa suey na) Ziel simles visi nuey ds gird. Scutellum chiefly yellowish or reddish; pronotal disk dark above except for a median and two lateral areas in line with the discal Se eee ee Be At oS PA's ESle ame troiaw canis variety triops 7. Scutellum piceous; pronotal disk with two lateral yellow areas .. variety diops Scutellum dusky with median pale vitta, spots on clavus and corium OPM PE NEEMEreane eg r ne S es cy 12 oh da: Boma a blemia wea ah variety delta 8. (2) Corium reddish brown with yellowish dots ....... variety compar Corium except apex, clavus except base and slender inner margin, TIO ETI UORAMSC-GEO 6 Ces )s c's a'e a's 5a+eueeee eee 17 Scutellum chiefly yellowish, median pale vitta bounded each side by a more or less complete wedge-shaped dark mark; corium and clavus Spotted with yellow S.... Wc... eeneee ee eee variety varius 17. Clavus and adjacent parts of corium dusky: «os dec variety nubilus Clavus and adjacent parts of corium spotted with yellowish red ... variety delta P. scrupeus (Say), variety typical. Capsus scrupeus Say, Heter. N. Harm., 23, 1832; Compl. Writ., i, 342, 18509. Ann. Ent. Soc. Am., ix, 370, 1916. Length 6.5 mm., width 2.6 mm., ee of pie 1.33 mm. Antennae: Segment i i, length 1.47 mm.; ii, 2.36 mm. , OI mm.; Iv, .Q7 mm. This species is remarkable for the large number of color varieties it exhibits. Breeds most frequently on wild grapevine (Vitis sps.), but occurs on cultivated varieties. ey a laa 27 June, 1909 (W. E. EB ); ; Wallingford, 14 June, 1911 P. scrupeus var. bidens McAtee. Ann. Ent. Soc. Am., ix, 374, 1916. This variety is well distinguished in the key. South Meriden, July (H. L. J.). P. adustus McAtee. Ann. Ent. Soc. Am., ix, 377, 1916. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 613 Length 8mm., width 3mm. Antennae: Segment i, 1.6mm.; li, 2.53mm.; ili, 1.16mm.; iv, 1.1mm. Color almost uniform reddish brown, a little paler on cuneus and lower surface; inclining to fuscous on antennae, tibiae, and inner margins of clavus and corium; dorsum clothed with rather abundant short pale yellow hairs. New Jersey. Key to color varieties of hawleyi Knight. 1. Hemelytra with costal margins pale or yellowish ................ 2 Pemetirs without pale costal margins . 2... <<... .ces eas cues cuis 2. Costal stripe undivided, though it may contain a dark blotch at RAICTIE TO, COStAl MATSON. 6 ssc cs are wes cececce es we typical hawleyi Costal stripe divided by a dark vitta which is broader posteriorly, leaving a very narrow pale costal margin ............. variety fissus 3. Hemelytra except cuneus almost uniform fusco-piceous, although Tamia Costa may be pale... 2.2.2.2. ese ck ews coe variety ancora Hemelytra and other parts of dorsum more or less spotted with RMT ies has cules bintecotea Stee caw elea seule variety pallidulus P. hawleyi Knight, variety typical. Anne ent. soc. Am., ix, 377, 1916. Length 6.3 mm., width 2.4mm. Antennae: Segment 1, length Peete; W, 2271mM.; ii, Imm.; iv, 61mm. Length of pro- notum 1.22mm. Color fusco-piceous to piceous, costal margins of hemelytra pale to yellowish, cuneus reddish; clothed with very fine pale and fuscous pubescence. Breeds on cultivated hop in New York. Massachusetts, New York. P. hawleyi var. ancora Knight. nan, Ent. Soc. Am., ix, 378, 10106. Occurs with the typical variety. Massachusetts, New York. P. hawleyi var. fissus McAtee. Ann. Ent. Soc. Am., ix, 379, 1916. Massachusetts, New York. P. hawleyi var. pallidulus McAtee. Ann. Ent. Soc. Am., ix, 380, 1916. Breeds on apple in New York. P. limbus McAtee. Ann. Ent. Soc. Am., ix, 380, 1916. Length 7.5mm., width 3mm.; length of pronotum 1.52 mm. Antennae: Segment i, length 1.55 mm.; ii, 2.7 mm.; ili, 1.16 mm.; iv, 1.25mm. Fuscous to blackish, head except tylus and clouding on frons, pronotum except on basal half behind discal spots, embolium and margin of corium, and cuneus, yellowish to reddish. Massachusetts, Georgia. 614 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Key to varieties of colon Say. 1. Antennal segment ii with narrow pale annulus next to blackish base, brownish beyond but paler again at middle; hemelytra pale to grayish and with darker brown spots, or with background chiefly brownish and spotted with pale yellowish ....... typical colon Antennal segment ii pale or brownish on basal haif but without a distinctly paler annulus next to the blackish base ............... a 2. Hemelytra practically unicolorous pale to stramineous ..variety castus Hemelytra uniformly dark reddish brown to fusco-piceous, or with markings lighter than ground color ...2.......2. ... cee 3. Hemelytra always more or less spotted with yellow, and usually the pronotum; pronotum varying from reddish to fuscous, fre- quently vittate | 22 ise. ee etcole 2) eee eee variety colonus Hemelytra without yellow spots, cuneus reddish and sometimes | SHOU, Vaio US aa Go one ale ote wie kik variety amiculus P: colon) (Say). Compl. Writ., i, 346, 1859. Length 5.8mm., width 2.5mm.; length of pronotum 1.33 mm. Antennae: Segment i, length 1.1 mm., brownish, spotted with yellow, the spots more or less confluent, clothed with blackish semi- erect hairs, in length scarcely equaling thickness of segment; u, 2.22mm., narrow base and the apical one-third black, brownish between but with pale annulus bordering the black, finely pubes- cent; ill, .97mm., pale to fuscous, becoming darker at apex; iv, 1.08 mm., pale fuscous, darker at apex. Dorsum pale yellowish to grayish or dark brown, spotted with yellow, in paler specimens the brown forming large spots, clothed with pale yellowish to golden pubescence ; membrane fuscous, paler at middle and a spot each side just beyond tip of cuneus. Ventral surface brownish, each segment of venter with two or three longitudinal yellow marks on the sides. Legs yellowish, apical one-third of femora and two bands on tibiae brownish, the brown color spotted with yellow; in dark specimens the hind femora developing a brownish patch on basal half. New Jersey, New York. P. colon var. colonus McAtee. Ann. Ent. Soc. Am., ix, 383, 1916. Length 5-6mm., width 2.1-2.7mm.; reddish brown to fusco- piceous, dorsum more or less spotted with yellow; variable in size and color but readily distinguished in the key. Food plant: Virginia creeper (Psedera quinquefolia). New Jersey, New York, Massachusetts, Vermont. Stenotus Jakovlev. S. binotatus (Fabricius). (Plate xvi, 20.) Lygaeus binotatus Fabricius, Ent. Syst., iv, 172, 1794. Reuter, Hem. Gymn. Eur., v, 123, pl. 5, fig. 5, 1896. No. 34. | HEMIPTERA OF CONNECTICUT: MIRIDAE. 615 Male: Length 6mm., width 2mm.; chiefly yellowish green below, pronotum with two broad black rays; hemelytra yellowish orange, with two broad, irregular, longitudinal blackish stripes. Female: Length 7 mm., width 2.4mm.; yellowish green, prono- tum with two prominent black spots on disk, one behind each callus ; corium with longitudinal fuscous stripe. Breeds on Dactylus glomerata, and probably to some extent on other grasses. Branford, 13 June, 1918 (B. H. W.); New Haven, 16 June, 25 June, 2 july, 1020 (B. H. W.); Stamford, 24 June, 1920 (W. E. B.). Garganus Stal. G. fusiformis (Say). Compl. Writ., i, 344, 1850. Length 3.8-4mm., width 1.5mm.; black, embolium, outer margin of cuneus, and narrowly along commissure, pale; legs. antennal segment i, and sometimes the venter, reddish yellow. Breeds on Tussilago farfara, and occurs on other herbaceous plants found growing in damp situations. Branford, 29 July, 19005 (H. W. W.); Cornwall, 10 Aug., 1918 ts. HoW.). Neurocolpus Reuter. N. nubilus (Say). Compl. Writ., i, 341, 1850. Length 5.7-6.8 mm., width 2mm.; exceedingly variable in color- ation; usually light yellowish brown to reddish brown or black. Food plants: Cephalanthus occidentalis, Rhus sp., and probably others. Cornwall, to Aug., 19190 (B. H. W.); Hamden, 24 July, 19010 Satie.) - Oo Aus, 19620 (M. P. Z.); New Haven, 6 July, roo4 te) - 13 jaly, «904 (W. E. B.); 16 Aug., 19004. (B. H. W.). Phytocoris Fallen. Kev to Groups of Phytocorts. 1. Wing membrane conspurcate, or irrorate with pale; median lobe of male genital structure provided with a flagellum, without (junceus excepted) or rarely bearing distinct teeth ............. (p. 616) Group I Wing membrane either marbled, uniformly fuscous, or nearly pale, never distinctly conspurcate (except perhaps in well marked forms of quercicola), sometimes with margins of fuscous areas separating into small specks but more marbled than conspurcate; median lobe of male genital structure with a flagellum bearing re IM SL by eo Se has ois ies a aialeeie ay avslgis wo. minje a 8 2 2. Antennal segment i, in length, distinctly greater than width of head 3 Antennal segment i, in length, not equal to width of head ....... (p. 641) Group III 3. Antennae more blackish or fuscous than pale, if segment ii broadly 616 10. CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. pale on middle, then the dorsum chiefly fuscous to blackish; gen- eral coloration fuscous or blackish on a paler background ..... (p. 631) Group II Antennae more nearly pale, yellowish, or reddish than blackish, segment ii sometimes fuscous at apex and near base but more pale than fuscous (in tibialis with a slender fuscous line on anterior face); general coloration usually yellowish to reddish over a paler: backeround (O52 2s. . ...). tcc. 20eee eee Membrane with infuscation on central area tending to separate into small specks; front of head transversely striate with black lines each sidé of miedian lime J... 22... .-cuenmeeee (p. 634) neglectus Membrane more uniformly infuscated, infuscation not separating into small specks; front of head not distinctly striate with black even when the hemelytra are very dark, although reddish lines usually evident): 00 . As Ao check ae ee (p. 638) spicatus (3) Hind femora with distinct white band placed at slightly beyond middle of apical half, usually with large pale spots near middle . 8 Hind femora without distinct white band on apical half, pale spots ustially rather small... i... 6.50%... 2.0 fds ae oe 9 Antennal segment ii distinctly pale or yellowish on dorsal aspect, but darker on apex and next to pale annulus at base; scutellum and clavus clothed with yellowish hairs and intermixed with shorter sericeous white pubescence; membrane somewhat fuscous Om middle ici. oc. ck oeetie: «, cee teas oko eo eee ee (p. 632) eximius Antennal segment ii black except at base, dorsal aspect not dis- tinctly paler; scutellum and clavus clothed with black hairs and intermixed with prominent white sericeous pubescence (p. 640) buenoi Corium with very heavy triangular black mark set obliquely across apex of corium; cuneus usually reddish ........... (p. 640) erectus Corium with light, almost interrupted fuscous mark set obliquely across apex of corium; cuneus rarely if ever reddish .......... (p. 634) brevifurcatus (1) Corium, not distinctly green ..... 2: Jes. oc oeene eee II Corium distinctly greenish on apical half; antennal segment ii black but: wita pale annulus at base® ii... cs... eee (p. 640) penipecten Hemelytra more brownish than black, dark color on apical area of corium and on middle of clavus broken into small spots, pubes- cence chiefly golden: brown) s.éc\a5 +4 tose eee ee (p. 639) salicis Hemelytra sometimes brownish but the dark color not distinctly broken into small spots .... .«..... 000% 20% «= obs sien 12 Front and vertex transversely marked with blackish lines ........ 13 Front and vertex pale to yellowish, not distinctly marked with blackish, rarely with short red lines indicated near each eye; scutellum pale to yellowish, a small rounded brown to fuscous spot each side by margin at middle of apical half (p. 635) angustulus Scutellum chiefly pale to grayish, but with black mark at each side on apical Jhale oo cl Se eke cae ke eae ir 14 Scutellum chiefly brownish black, irregularly maculated with paler, median line slenderly pale but irregularly invaded with darker CONOE' becca dele wuchh bes ice ere aro A dieea ee ST es ee (p. 641) obtectus Corium with a longitudinal pale area which extends upon base of cuneus without interruption by an oblique infuscation; a black line formed along radius but curving outward apically to the PAECHINEY oc arth tent a Cale fale cds Sea) Get eine Cea rae ae (p. 638) lacunosus Corium rather distinctly darkened with fuscous on apical half, scarcely showing paler by contrast with dark marks along radius (p. 638) cortitectus P. eximius Reuter. Ofv. Kongl. Sv. Vet.-Akad. Forh., xxxvi, No. 9, 67, 1876. Bull. Brook. Ent. Soc., xv, 51, 1920. cing No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 633 Male: Length 5.7mm., width 2mm. Head: Width .94mm., vertex .35 mm. ; yellowish, frequently tinged with reddish ; geminate mark at base of tylus and apical half excluding a pale spot on each side opposite tips of lora, dorsal margin of lora, juga, bucculae, and a ray passing lower margin of eye, reddish brown to fuscous or black; front clothed with long pale hairs. Rostrum, length 2.4mm., attaining basal margin of genital segment, yellowish, blackish toward the apex. Antennae: Segment i, length 1.28mm., yellowish, irregularly mottled with fuscous, bearing five or six long pale setae; ii, 2.77 mm., fuscous, pale at base for space of .17 mm., the infusca- tion distinctly paler on dorsal aspect of middle third and becoming darker toward each end; i111, 1.6mm., dark fuscous, pale at base for space of .14mm., and again very narrowly at apex; iv, 1.25 mm., blackish. Pronotum: Length .giI mm., width at base 1.6mm., anterior angles .57 mm., collar .64mm.; lateral margins very slightly sul- cate, gently rounded basally; disk moderately arched, an even contour maintained behind calli and at lateral margins; calli oval, slightly separated, delimited behind by an impressed margin, pale with one or two fuscous marks on outer half; disk testaceous to fuscous, central area frequently grayish green, paler anteriorly, narrow basal margin pale, sub-basal margin with six blackish points that frequently join; disk distinctly hairy, longest hairs at anterior angles, hairs taking the color of the surface where they arise; collar pale, marked with reddish each side of the median line, bearing several prominent pale hairs; propleura blackish, lower margins and mark across base of coxal cleft, pale. Scutel- lum testaceous, a pair of diverging black vittae just before apex, becoming paler toward the median line; mesoscutum moderately exposed, sloping abruptly downward at lateral angles; heavily clothed with a mixture of pale and yellowish pubescence. Sternum blackish, a pale ray on each side behind ventral margin of pro- pleura; pleura fuscous, narrow margins of sclerites, basalar piece, and ostiolar peritreme, pale. Hemelytra: Clothed with prominent yellowish pubescence and intermixed with groups of white deciduous tomentum, dark hairs arising from the dark markings; greenish gray to fuscous, corium with base, middle, a triangular spot just before cuneus, several spots on the embolium, paler and more or less translucent; tip of embolium, an oblique nearly triangular patch lying just inside of radius at apex of corium, bordering the claval suture except on basal one-third, fuscous to black; clavus more or less fuscous either side of claval vein and bordering the claval suture. Cuneus grayish translucent, the apex, a small point along the inner margin and a second near basal angle, black; the paler part usually show- ing some brownish or reddish coloration. Membrane fuscous, a 634 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. large pale area just beyond the smaller areole and the tip of cuneus, divided by a small fuscous spot which touches the margin; central area more or less invaded by paler, cubitus distinctly pale at apex of areoles. Legs: Coxae and bases of femora pale; front and intermediate femora with a series of irregular reddish brown to fuscous marks ; posterior femora blackish, forming the background for many large and small irrorations, the pale patches most numerous and broadly joined on the inner side, an irregular pale annulation a short space before apex and a second one nearer the middle but interrupted on the outside. Tibiae annulated with fuscous and pale; front pair banded with fuscous at apex, narrowly at knee, and twice between these points; intermediate pair with the apical band becoming pale, the whole apical half being more pale than fuscous; hind pair infuscated, irregularly spotted with pale, broadly pale on basal one-third, delimited by blackish on inner side at base and by a distinct annulation at middle; spines pale to brownish; tarsi fuscous, arolia erect and diverging at the apices. Venter: Clothed with prominent yellowish hairs, infuscated, yellowish on ventral side except the genital segment which is narrowly pale along median line and frequently on the sides near base of claspers. Genital claspers and flagellum (fig. 149: 1) distinctive of the species. Female: Length 5.7mm., width 2.05 mm. Very similar to the male in coloration; imperfect or poorly colored specimens can never with certainty be distinguished from the females of closely related species. Occurs on a number of plants in various situations; is largely if not wholly predaceous as are a number of closely related species in this group. East River, 5 Aug., 1910 (C. R. E.); New Haven, 29 July, 1920 (Mi Piz.) Portland) 12 Ang.) 291g (Be We P. brevifurcatus Knight. Ball, Brook, ‘Ent: Sci.; xv, 53) 1920. Male: Length 5.8 mm., width 2.14mm. Very similar to exunius but without heavy oblique fuscous mark at apex of corium; second antennal segment darker fuscous on the middle third; head and pronotum distinctly grayish green on the paler parts; hind femora with smaller irrorations, not distinctly banded with pale; genital claspers and flagellum (fig. 149: 2) distinctive of the species. New York. P. neglectus Knight. Bull. Brook. Ent. Sci., xv, 54, 1920. Male: Length 6.2mm., width 2.2mm. Resembles exsmius but with antennal segment ii uniformly blackish except for the whitish annulation at base; corium and clavus usually more broadly black- a No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 635 ish; apical band on intermediate tibiae white; infuscation at middle of membrane tending to separate into small specks; genital claspers and flagellum (fig. 149: 3) distinctive of the species. Apparently there are two generations of this species in one season. The writer took specimens most frequently on the bark of apple trees where both adults and nymphs fed on Psocids. The species was also found on the bark of other trees and it is probably predaceous on most soft-bodied insects living in such situations. Maine, Massachusetts, New York. P. angustulus Reuter. Acta Soc. Sci. Fenn., xxxvi, No. 2, 20, 1900. Male: Length 6.2 mm., width 2.1mm. Head: width .96mm., vertex .34mm.; yellowish, bucculae and large spot at base of lorum blackish, tylus nearly uniformly yellowish. Rostrum, length 2.6 mm., attaining middle of sixth ventral segment, yellow- ish, blackish apically. Antennae: Segment i, length 1.26mm., chiefly pale yellowish, fuscous reticulations apparent and separating the more or less con- fluent pale spots; ii, 2.86mm., fuscous, more yellowish on dorsal aspect, with pale annulus at base; iti, 1.5 mm., blackish, narrowly yellowish at base; iv, 1.1 mm., blackish. Pronotum: Length Imm., width at base 1.66mm.; _ fusco- grayish, calli and collar yellowish, disk becoming more nearly | / (ay | ~ yy : 111; 7/26 mame gy, 1m. Holotype: Male, 7 Aug., 1918, Hampton, N. H. (S. Albert Shaw); author’s collection. Allotype: Female, 14 July-5 Aug. 10912, Black Mountains, North Carolina (Beutenmuller); Cornell Univ. collection. The writer has also seen a third specimen which is in the United States National Museum collection. P. onustus Van Duzee. Proc, Calif. Acad! Set. ser. 4,, 2%, 244, 1020: Length male 7mm., width 2.4mm.; length female 7.4 mm., width 2.56mm. Suggestive of eximius but larger and usually darker colored; distinguished in the key and by the genital claspers (fig, 149: 0). | The writer collected this species most frequently on the bark of hickory (Carya) trees situated in shaded humid surroundings. Massachusetts, Maine, New York, Vermont. P. spicatus Knight. Bull Brook. Ent. Soc., xv, 55, 1920. Male: Length 6mm., width2mm. Slightly larger than exinus and more broadly black; antennal segment 11 uniformly black except for the white annulation at base; front largely black, trans- verse striae evident; hind femora as in exis only darker, one distinct pale annulation just before apex;. flagellum and right genital clasper distinctive of the species (fig. 149:.10). Female: Length 6.8mm., width 2.2mm.; very similar to the male only slightly larger. This species comes nearest to cortitectus but is readily distin- guished by the sharp basal spike on the right clasper and by the darker coloration; also approaches onustus but is smaller and more blackish. Maine, Massachusetts, New York. P. cortitectus Knight. Bull. Brook. Ent. Soc., xv, 55, 1920. Male: Length 6mm., width 2mm. Very similar to eximuius; pale parts of hemelytra more translucent, infuscations paler; front of head transversely striate with fuscous each side of the median line; antennal segment ii more uniformly fuscous, but with a pale reflection apparent throughout the infuscation; genital claspers and flagellum distinctive of the species (fig. 149: II). Female: Very similar to the male but slightly more robust. The writer took specimens only on the trunks of elm trees (Ulmus) where the species is admirably concealed as it crouches in crevices of the bark. New Hampshire, New York. P. lacunosus Knight. Bull. Brook. Ent. Soc., xv, 56, 1920. No. 34.]| HEMIPTERA OF CONNECTICUT: MIRIDAE. 639 Male: Length 6.7 mm., width 2.2mm. Very similar to corti- tectus only larger; nearly the size of onustus but more slender and paler in color; corium with a longitudinal pale area which extends upon base of cuneus without interruption at the cubitus; flagellum and right genital clasper distinctive of the species (fig. 149: 4). Female: Very similar to the male only slightly more robust. Occurs on the bark of Carpinus carolimiana. New York. *P, salicis Knight. Bull. Brook. Ent. Soc., xv, 56, 1920. Male: Length 6mm., width 2.1mm. Very similar to eximius but distinctly brownish above; fuscous coloration of the hemelytra interspersed with brownish maculations; antennal segment ii more distinctly pale fuscous, becoming dark only at apex and next to the pale basal annulation; membrane paler on the central area and with a median pale ray extending to apex; genital claspers and flagellum distinctive of the species (fig. 149: 13). Female: Very similar to the male in size and coloration. Breeds on willow, chiefly Salix nigra, where the species appears to be predaceous on soft-bodied insects living on that tree. Branford, 15 July, 19004 (H. W. W.); Litchfield, 22 July, 1920 (P. G.). Phytocoris husseyi Knight, new species. Male: Length 5.1 mm., width 2mm. Head: Width 1.04 mm., vertex .33 mm.; pale to yellowish, median line of front and two or three incomplete oblique lines at each side reddish to blackish; lower part of front, base of tylus, lower half of tylus except for small spot each side by lora, about base of antenna, basal half of juga, dorsal margin of lora, and bucculae, reddish to black, gula and areas between the black, white. Rostrum, length 2.26 mm., reaching upon fourth ventral segment, pale, apex blackish. Antennae: Segment i, length 1.18 mm., deep black, dorsal aspect with two large and six or seven small white spots, setae pale to blackish; 11, 2.4mm., black, pale at base, somewhat brownish at middle of dorsal aspect; 111, 1.41.mm., black, pale at base; iv, 1.2 mm., black. Pronotum: Length .gI mm., width at base 1.6mm.; nearly as in erectus but calli and between, more yellowish. Scutellum pale to yellowish, with heavy oblique black mark on apical half each side of median line, brownish color extending cephalad from the black marks. Sternum black, pale area extending behind lower white margin of propleura; pleura black, ventral margin of epimeron and the ostiolar peritreme white. Hemelytra: Nearly as in erectus but with more black, disk of clavus blackish but broken by paler irrorations of brownish and fuscous; clothed with erect short blackish hairs and intermixed with tufts of white sericeous tomentose pubescence, more nearly like buenos in this respect. Cuneus yellowish to dusky, apical half 640 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. fuscous to black but irrorate with paler spots, outer basal margin greenish; apex of mesocorium bordering inner basal angle of cuneus fuscous, with black spot on corio-membrane margin, the pale spot at apex of corium not extending upon cuneus. Mem- brane suggestive of erectus by having two fuscous areas each side on apical half, but differs by having central area fuscous as well as the basal area more broadly blackish. Legs: Rather similar to those of erectus but differs in having a clearly defined, although narrow subapical pale annulus on hind femora. : Venter: Blackish, pale beneath but rather narrowly on genital segment; genital claspers (fig. 139) distinctive of the species, exhibiting a close relationship with buenot. Holotype: Male, 12 Aug., 1921, Mendon, Mercer County, Ohio (R. F. Hussey) ; author’s collection. Named in honor of the collector, Mr. R. F. Hussey. | *P, buenoi Knight. Bull. Brook. Ent. Soc., xv, 57, 1920. Male: Length 5.8mm., width 2mm. Resembles eximius but the colors of the dorsum are more in contrast; front and middle femora dark fuscous brown, closely and irregularly maculated with pale; black patch bordering the cubitus strongly contrasted with the pale spot which joins the base of cuneus, pale part of cuneus tinged with roseous; central area of membrane distinctly pale; genital claspers and flagellum (fig. 149: 14) distinctive of the species. Female: Very similar to the male in size and coloration. Occurs on Norway Spruce (Picea). New Haven, 27 June, 1904 (W. E. B.). P. erectus..Van, Duzec. Proc; Catit., Acad., Sci.,\'set. 4, 1, 345,| 7020. Male: Length 5.4mm., width 2mm. Head: Width .94mm., vertex .36mm. Antennae: segment i, length 1.16mm., more broadly pale than in husseys; i, 2.5mm.; ili, 1.28mm.; 1v, 1.2mm. Pronotum: Length .87mm., width at base 1.56 mm. Very similar to husseys in size and coloration, the pale areas of dorsum more uniformly brownish, cuneus reddish, and hind femora without distinct subapical pale band. Genital claspers very distinctive (fig. 149: 5). Maine, Massachusetts, New Hampshire, New York. *P, penipecten Knight. Bull. Brook. Ent. Soc., xv, 58, 1920. Male: Length 5.1 mm., width i1.gmm. Very similar to exwmuus; antennal segment i1 uniformly infuscated except the pale annulus at base; apical half of corium and bordering the claval vein, dis- tinctly olive green; flagellum and genital claspers (fig. 149: 12) distinctive of the species. No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 641 Female: Length 5.5mm., width 2mm. Very similar to the male in coloration but in form slightly more robust. East River, Sept., roro (C. R. E.); New Canaan, 14 Sept, 1905 CWE. B.). P. obtectus Knight. Bull. Brook. Ent. Soc., xv, 58, 1920. Male: Length 5.5mm., width 1.85mm. Very similar to eximius but slightly smaller and more slender; hemelytra more uniformly grayish translucent, not distinctly marked with fuscous at apex of corium; front transversely striate with fuscous; scutel- lum chiefly brownish black, irregularly maculated with paler, median line slenderly pale but irregularly invaded with darker color; genital claspers and flagellum (fig. 149: 21) distinctive of the species. Female: Very similar to the male in size and coloration. New York. Key to Species of Phytocoris, Group ITI. 1. Hemelytra rather uniformly rufescent, embolium and cuneus yel- eMC CUE. tye ke cc Se kaw Vac e.s.» oles saeco aioe mundus Hemelytra not uniformly rufescent ............:.... i old Oe Sa cs 2 2. Hemelytra yellowish to fulvous, clavus not darker than corium 3 Hemelytra more nearly fuscous than yellowish, irregularly tinged with reddish, clavus darker than outer margin of corium ....... 5 3. Femora with paler maculae very small, nearly obsolete; pale yellowish, darkened with fulvous on outer half of clavus and inner half of corium; cuneus yellowish translucent, reddish i SESAME I rere at geet cine v2 6. Gi ee de: aah Shaiererups join wvehe ereeae ls fulvus Femora with pale maculae distinct, but if not, then with inner half MEE PMGCHE MIS EIMCElYy) TOSEOUS . 22. ise ba). hc Rak LG le uc eae wa eas | 4 4. Hemelytra uniformly yellowish brown translucent, sometimes tinged with reddish at base of cuneus; scutellum uniformly yellowish to reddish, never paler on median line or apex ........ uniformis n. sp. Hemelytra fulvous to reddish on inner half of corium, inner half of cuneus roseous; scutellum with fulvous each side of middle, media ine ane apex distinctly paler 25 ).. gaec ce deen sores an diversus 5. Hind femora fusco-reddish, with distinct small white irrorations but never forming a distinct subapical band ........... conspersipes Hind femora fuscous, with small yellowish maculae but dorsal surface with a rather broad subapical band or transverse pale Cy agi ee RISES CR SORE Se Ren Deena s Cbor part gerne pinicola P, mundus Reuter. Acta Soc. Sci. Fenn., xxxvi, No. 2, 18, 1909. Length 4.2mm., width 1.6mm. Hemelytra and scutellum rather uniformly rufescent, embolium and cuneus yellowish trans- ‘ucent; membrane uniformly pale fumate, veins yellowish. Male: Head: Width .gi mm., vertex .37mm. Antennae: Seg- ment i, length .61 mm., uniformly yellowish, dusky pubescent and with seven or eight setae; ii, 1.7 mm., blackish, more yellowish at 21 642 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. base; iii, .98mm., black; iv, 84mm., black. Genital claspers (fig. 149: 22) distinctive of the species. Breeds on Pinus virginiana. New Jersey, Maryland, District of Columbia. P. fulvus Knight. Bull. Brook. Ent, Soc., xv, 50, 1920. Male: Length 6mm., width 2mm. Head: Width 1.08 mm... vertex .34mm. Antennae: segment i, length .88 mm., yellow but with paler spots apparent, dusky pubescent, setae yellowish to dusky; i, 2.5 mm., yellowish, infuscated apically; iii, 1.25 mm., black, yellowish at base: iv, .93 mm., black. Suggestive of mundus but larger, more elongate and paler in color; pale yellowish, darkened with fulvous on outer half of clavus and inner half of corium; apical half of femora perceptibly darkened but small pale irrorations are visible; membrane pale. uniformly tinged with fumate, the veins fulvous; genital claspers and flagellum (fig. 149: 23) distinctive of the species. Female: Very similar to the male in size and coloration. Breeds on Pinus strobus. Maine, New York. P. pinicola Knight. Bull. Brook. Ent. Soc., xv, 59, 1920. Male: Length 5.2 mm., width 1.8 mm. Heade Width .96 mm., vertex .36 mm. Antennae: Segment i, length .54mm., pale yellowish to dusky, dorsal surface with pale glabrous spots, two brownish black setae set on nee of each glabrous spot; i, 1.97 mm., blackish, paler beneath; 111, .92 mm., blackish, narrowly pale at base ; iv, .50mm., mee In coloration most suggestive of consperstpes but the genital structures show it to be more closely related to mundus; more slender than conspersipes, spots on femora and tibiae less distinct, usually orange-yellow; genital claspers and flagellum distinctive of the species (fig. 149: 17). Female: Similar to the male in coloration, but shorter and more robust in form. Breeds on Pinus resinosa and P. silvestris. Records: MassacHusEeTts—i15 Sept., 1914 Blue Hills (H. M. Parsh- ley) ; 15 July-6 Aug., 1917, Woods Hole (C. E. Olsen). The type specimens came from New York. P. diversus Knight. Bull. Brook. Ent. Soc., xv, 60, 1920. Male: Length 5mm., width 1.7mm. Head: Width .97 mm., vertex .37mm. Antennae: Segment i, length .71 mm., greenish, darkened with fusco-brownish, irrorate with paler on inner side, beset with nine or ten dark bristles; 11, 2.05 mm., infuscated, paler on basal half; ili, 1.05 mm., blackish; iv, .85 mm., blackish. No. 34. | HEMIPTERA OF CONNECTICUT: MIRIDAE. 643 Structurally, nearly identical with conspersipes but form more slender, length of antennal segment ii greater as compared with width of head; general aspect more nearly that of fulvus, the fulvous coloration more distinct on inner apical half of corium and on cuneus; head, pronotum, and ventral parts greenish, pronotum basally, sides of tylus, dorsal margins of juga and lora, base of head, indistinct transverse striae on front, sternum and sides of venter, tinged with reddish brown; femora except basally and tibiae, fusco-brownish, irrorate with pale, spots much enlarged on dorsal aspect of hind femora. Genital claspers and flagellum (fig. 149: 20) nearly identical with those of conspersipes. Female: Very similar to the male in size and coloration. Breeds on Pinus strobus. Maine, Massachusetts, New Hampshire, New York. P. conspersipes Reuter. Acta Soc. Sci. Fenn., xxxvi, No. 2, 22, 1900. Male: Length 4.7 mm., width 1.8mm. Head: Width 1.03 mm., vertex .37mm. Antennae: Segment i, length .660mm., fusco- brownish, irrorate with pale, setae fuscous; ii, 1.86mm., black, narrowly pale at base; iti, .8qmm., black; iv, .82mm., black. Pronotum: Length .82mm., width at base 1.5mm. Genital claspers distinctive of the species (fig. 149: IQ). Breeds on Pinus virginiana. New Jersey, Maryland, District of Columbia. Phytocoris uniformis Knight, new species. Suggestive of a pale specimen of pinicola but differs in the pubescence on the dorsum; clothed with recumbent golden yellow pubescence and intermixed with tufts of white sericeous tomentum, the more erect hairs brownish while in pinicola black and very prominent. Male: Length 5.2mm., width 1.8mm. Head: Width 1.03 mm., vertex .37mm.; yellowish with a tinge of brown. Rostrum, length 1.9 mm., yellowish brown, blackish apically. Antennae: Segment i, length .83 mm., brownish yellow, with nearly obsolete paler irrorations above, darkest specimens reticulate with reddish, setae yellowish to dusky, in length scarcely exceeding thickness of segment; ii, 2mm., blackish, more yellowish basally ; apical segments missing. Pronotum: Length .77 mm., width at base 1.43 mm.; uniformly brownish yellow, clothed with golden to yellowish pubescent hairs, intermixed with white sericeous tomentum. Scutellum more deeply colored than pronotum but with pubescence similar. Sternum and pleura yellowish with a tinge of fulvous, ostiolar peritreme scarcely paler. Hemelytra: Embolar margins very slightly arcuate; uniformly yellowish brown translucent, sometimes tinged with reddish on 644 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. base of cuneus; pubescence described above. Membrane uni- formly fumate, sometimes tinged with yellowish, veins scarcely darker. Legs: Pale to yellowish, femora reddish brown and irrorate with pale, posterior pair with slightly larger subapical pale spot on dorsal surface; tibiae with small reddish spots or reticulations. Cc} Fic. 140. Phytocoris uniformis Knight,—male genital claspers, (aa) left clasper, dorsal aspect, (b) right clasper, lateral aspect, (c) flagellum. Greatly enlarged. Drawing by Dr. H. H. Knight. Venter: Yellowish to reddish; genital claspers and flagellum (fig. 140) distinctive of the species; flagellum comes nearest to that of fulvus while the right clasper shows a closer relationship with mundus. Female: Length 5.4mm., width 2mm.; more robust than the male but very similar in coloration. Head: Width 1.17mm., vertex .51mm. Antennae: Segment 1, length i6ommanee A. RO MAG. 111) E25 1V44.60 Mims Holotype: Male,.21 Aug., 1917, Wyandanch, Long Island, N. Y. (Chris. E. Olsen); author’s collection. Allotype: taken with the type. Para- types: Males (3), taken with types. MassacHusetts—Male, 15 July-6 Aug., 1918, Woods Hole (Chris. E. Olsen). Female, 9 Aug., 1914, Malden (C. A. Frost). Key to Species of Phytocoris, Group IV. 1. Pronotai disk with four orange or red vittae on a paler background 7 Pronotal disk frequently red but without four distinct reddish Vittae’on a paler backgroud... 6) é.c15. New Haven, 1 July, 1017, (QO. S. L.). EA a Sy VA Fic. 157. Melanolestes abdominalis WHerrich-Schaeffer,—dorsal view. Greatly enlarged. Drawing by Dr. Philip Garman. 682 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Triatoma Laporte. Conorhinus Laporte. T. sanguisuga (LeConte). lateralis Stal. Proc. Acad. Nat. Sci. Phila., vii, 404, 1855. The so-called “big bed-bug” of the Southern States is here inserted to draw attention to the possibility of its being found in Connecticut. Subfamily PrRATINAE. Key to Genera. 1. Middle tibiae with spongy fossae; neck with a small tubercle on @achy Siders. J sid Walsh Soe eae, oad crn ele See eee a Middle tibiae without spongy fossae; head long; no lateral tuber- CER OT HEC Kane cis cs ae Liste sso a MER eI hoes ee Sirthenea, p. 684 2. Apical portion of anterior tibiae angularly dilated beneath; spongy POSSAS SHOLE WSAic) oa:c s HEI» aor eee ae ee Melanolestes, p. 682 Tibiae not dilated; spongy fossae elongate ......... Rasahus, p. 684 Fig. 158. Melanolestes abdominalis Herrich-Schaeffer,—lateral view of head. Greatly enlarged. Drawing by Dr. Philip Garman. Melanolestes Stal. The two species of this genus are active, bloodthirsty insects. M. picipes is not uncommon under stones in fields; M. abdomsnalss comes to light. Key to Species. Generally apterous; entirely black, with piceous legs and antennae picipes Winged; connexivum and sometimes entire dorsum coral red .... abdominalis M. picipes (Herrich-Schaeffer). Wanz. Ins., viii, 62, 1848. West Fiend: 11 May, 1905 (B. H. W.) ; Lyme, 20 Aug., ae (A. BG): Durham, 16 Sept., 1910; Middlebury, 26 May, I9QII (W. E B.)<, 450: Meriden, 27 Sept., 1914 (Hi. | ape) es eae 9 May, 1920, 17 March, 192I CK. G) : New Haven, 30 Apr., 1916 (Me Ph Ze): No. 34.] HEMIPTERA OF CONNECTICUT: REDUVIIDAE. 683 M. abdominalis (Herrich-Schaeffer). (Pl. xvi, 37.) (Figs. 157 and 158.) Wanz. Ins., viii, 63, 1848. Salisbury, 27 Aug., 1904; Durham, 16 Sept., 1910; New Canaan, 22 Sept., 1910 (W. E. B.) ; Torrington (R. Hochstein) ; New Haven, 25 May, morn (A.B. C,), 16 Sept., roro (KK. F. C.)-; Canaan, 4 May, 1or2 (D: J. C.): Bethany, 12 Apr., 1919 (K. F. C.). Fic. 159. Rhiginia (Ectrichodia) cructata Say,—(a) wing, (b) lateral view of head and front leg, (c) scutellum. All greatly enlarged. Drawing by Dr. Philip Garman. 684 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Rasahus Amyot and Serville. Macrosandalus Stal. R. biguttatus (Say). thoracicus Stal. Ins, Las 'r3, 1832 En. Hem. ii, 106, 1872. Sirthenea Spinola. S. carinata (Fabricius). Ent. Syst., Suppl., 545, 1708. This species is not uncommon in New Jersey about electric light globes. Subfamily EcrricHopIINAE. Only one genus and one species of this subfamily occur within the range of this paper. Rhiginia Stal. Ectrichodia Lepeletier and Serville. KR cruciata (Say). (Fig:159). Het. New Harm., 33, 1832. This species also has been known as bicolor, crudelis and media. Though it may not occur in Connecticut, it is here included to draw attention to it, should it be found. Subfamily APIOMERINAE. Only one genus occurs in the Eastern United States. Apiomerus Laporte. Key to Species. 1. Female with outer apical angles of first genital segment deflexed, and not forming a continuous outline with the abdominal margin; male with apex of last genital segment produced into a short process in the center and armed with two spines upwardly curved ‘and obliquely divergent. 3. 0... Os . cas delete oe eee 2 Female with sides of first genital segment forming a continuous outline with the abdominal margin; male with a single truncate process at apex of last genital segment; a small species ....ventralis 2. Pronotum black with reddish or pale basal margin; abdominal margins more broadly pale; corium dark red ............. crassipes Pronotum partly rufous, basal margin narrowly pale; abdominal margzins at most very narrowly ‘pale, -/i.. eee. 2. ore thomsonii A. lillianis Bueno. Bull. Brook. Ent. Soc., xi, 39, 1916. No. 34.] HEMIPTERA OF CONNECTICUT: TINGIDAE. 699 Uniform dark brown; head, antennae, legs, and body beneath, darker. Paranota with two or three rows of areoles; pronotal carinae slightly divergent posteriorly. Subcostal and discoidal areas of hemielytra with three or four confused rows of areoles; sutural with two rows anteriorly, this area parallel in short-winged form, widening posteriorly in long-winged. Length, long-winged form, 3mm.; short-winged, 2.3 mm. Taken in sweeping and in hibernation under stones. Has been found in Maine and in New York, but not as yet in Connecticut. A. thomsonii Stal. ' Enum. Hemip., iii, 122, 1873. According to Stal, the bucculae in this species are contiguous in front, a very exceptional condition in this genus. Length 2.5-3mm. This species may yet be found in New England. Dictyonota Curtis. Head with two divergent anteocular processes and two spines on vertex ; antennae thick, rugose, with strong setae. Pronotum with three uniseriate carinae, a small hood not projecting over head, and wide paranota, narrowed posteriorly. One of the many Palaeartic species occurs in our territory, apparently representing a distinct variety. D. tricornis (Schrank) var. americana Parshley. Psyche, xxviii, 164, 1916. Head and disk of pronotum black, nervures brown, membrane between the nervures gray. Legs and body beneath very dark brown, antennae black. Length 3 mm. This form has been found only in Maine. Corythucha Stal. This genus contains a large number of small gauzy species, which have the antennae slender; hood large and more or less regularly globose, with an anterior extension covering the head and usually marked off from the posterior portion by a constric- tion; paranota extended forward; hemielytra strongly constricted and reflexed near base; lateral carinae of pronotum poorly devel- oped as a rule; margins and dorsal surface usually more or less spinose. Many of the species are closely related and our knowl- edge of the limits of variation is far from adequate, but most of the species are normally confined to a single food-plant, which often aids in identification. The following key is restricted almost entirely to the species now known to inhabit New England. 700 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. Key to Species. 1. Hemielytra with a distinct transverse dark band at both base and apex, the intervening area almost or quite immaculate laterally .. 6 Hemielytra otherwise marked © 10 © 80 8 eB © 6 e824 6 © 06 0) 6.0719, 'S ln @ @ eS eLe Bie laneiet Sy eee eeeweeneeceoee se s 0 6 0 6 ele 8 8 6 © 0 a) 0 6 6.6 © ane a ele lee eee 5. Immaculate, or with two small brown discal dots on hemielytra; hood nearly flat dorsally, about as high as median carina ...... ciliata’ Spotted, the markings uniting to form two transverse bands at apex of hemielytra; hood more convex dorsally, higher than median - CRE FEDED § snp. ens’ w No! B55 Ri! Sdn Biers Ue nes Sead Gusteue > Gener eee eee nn marmorata (a) Hemielytra long, the discal elevations not extending to NaN press eee Oe a tee oe var. marmorata typical (b) Hemielytra short, the discal elevations extending to middle var. informis 6. Hood and median carina of equal height ........) 3.35 eeeeee 7 Hood distinctly higher than, median carina ....;.....).22.20enee 8 7. Hood but slightly constricted; width of pronotum across paranota ereatest well before middle, ... 2... 0... 200. as ces eaeane eo ene ee juglandis Coloration dark, the markings distinct ..............+.- emis. 14 14. Hood low, but little higher than median carina, the summit broadly OMNES, |) os lo PAL OSeneracs Pee late Shee oe cle ieee ee contracta Hood high, at least twice as high as median carina .............. 15 15. Size large, length about 3.9mm.; hood large globose, evenly rounded Gorsally’).2 soc. «a> vsnen > ae ee tenes: co ci en pallipes Size smaller, length less than 3.7mm.; hood somewhat smaller, not globose, sides meeting at a sharp angle along median dorsal ; DaaN Es fis Ac Rate he Wier Beitea eteae b ckene ene ymin See as Nene heidemanni C. associata Osborn and Drake. Ohio Jour. Sci., xvii, 14, 1916. A large species, feeding on the wild cherry, which has been found on Long Island, N. Y., and probably occurs within our limits. No. 34.] HEMIPTERA OF CONNECTICUT: TINGIDAE. 701 C. pruni Osborn and Drake. Ohio St. Univ. Bull., xx, 231, 1916. Corythucha pyriformis Parshley. Can. Ent., lii, 81, 1920. A large, distinctly marked species, having the hood very low and scarcely constricted. It feeds on wild cherry and has recently been reported from Maine and New Hampshire; so that it probably occurs in Connecticut. C. juglandis Fitch. Third Rept., Trans. N. Y. St. Agr. Soc., xvi, 466, 1856. A species of rather small size, with faint coloration, occurring on walnut and basswood. Scotland, 15 Aug., 1905 (B. H. W.) ; Stamford, 16 Aug., 1912 (W. E. B.). C. pallipes Parshley. In Gibson, Trans. Am. Ent. Soc., xliv, 82, 1918. Corythucha cyrta Parshley, Id., 86. Corythucha betulae Drake, Id., 86. A rather large species with broad, spherical hood, feeding on birch, as a rule. The Connecticut specimens were taken on an imported Salix. Stamford, 16 Aug., 1912 (W. E. B.). C. heidemanni Drake. Gibson, Trans. Am. Ent. Soc., xliv, 87, 1918. Corythucha borealis Parshley. JId., 92. Closely related to the preceding but found on alder. It is some- what smaller and the hood is not so regularly globose; occurs in New England. | Litchfield, 22 July, 1920 (P. G.). C. contracta Osborn and Drake. Ohio St. Univ. Bull., xx, 230, 1916. Corythucha parshleyt Gibson. Trans. Am. Ent. Soc., xliv, 83, 1918. This species, not as yet found in Connecticut, feeds on the wal- nut; it has been reported also from Amelanchier, pecan, basswood, and butternut. C. mollicula Osborn and Drake. Ohio Jour. Sci., xvii, 12, 1916. Corythucha salicis Osborn and Drake. Ohio Jour. Sci., xvii, 298, 1917. Corythucha canadensis Parshley. Occas. Papers Zool. Mus. Univ. Mich., No. 71, 18, 1919. This is a very distinct species, easily recognized by the lack of marginal spines and the fragmentary markings; it is widely vari- able in size. The food plant is willow. It has been found in Massachusetts. Thompson, 19 July, 1921 (B. H. W.). C. cydoniae Fitch. Country Gentleman, Vol. xiv, 25, 1861. A common species living on the hawthorn, easily recognized by its small size, very dark markings, etc. New Haven, 9 July, ro1r1 (B. H. W.). 702 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. C. elegans Drake. Gibson, Trans. Am. Ent. Soc., xliv, 89, 1918. A willow species, recognized by its peculiar coloration, especially the opaque areoles of hood and paranota. It has not been found in New England as yet, but occurs in neighboring states. C. pergandei Heidemann. Proc. Ent. Soc. Wash., viii, 10, 1906. A small, rather pale species living on the alder; it has been recorded from several other plants also. Chapinville, 26 May, Pine Orchard, 26 July, 19004 (W. E. B.); Brook- field, 27 July, 1910 (E. L. D.); Litchfield, 22 July, 1920 (P. G.); Thomp- son, 19 July, 1921 (B. H. W.). C. marmorata Uhler. (PI. xvii, 6.) Proc. Bost. Soc. Nat. Hist., xix, 415, 1878. This common species is readily recognized by its coloration; the hemielytral pattern is made up of small spots, which in part unite to form two apical bands. Its chief food plant is goldenrod. The variety informis Parshley is frequently met with. Brookfield, 27 July, 1910 (E. L. D.); New Haven, 26 June, 1902 (E.. J. S. M.), 23. June, ror2 (W. E. B.), 1 July, ro1g4 (MP2 2) ee 1916 (M. P. Z.); Granby, 1 July, 1914 (I. Holcomb); Meriden, 15 July, 1909 (A. I. B.), 12 June, 1o15 (H. L. J.); Portland, a4 ily ers (M. P. Z.); Guilford, 26 July, 1920 (M. P. Z.); Hamden, ome iees CNET Zon C. ulmi Osborn and Drake. Ohio St. Univ. Bull., xx, 231, 1916. This species has brown markings and the apical band is wanting ; it feeds on the elm. Litchfield, 1922 (H. W. Hicock), on elm. C. pallida Osborn and Drake. Ohio St. Univ. Bull., xx, 230, 1916. This species feeds usually on the mulberry, but has been reported also from basswood; it is easily recognized by its almost uniform yellowish brown color. Its occurrence in New England is probable, but not as yet definitely reported. C. arcuata Say. Het. New Harm., 27, 1832. This Tingid occurs on various species of oaks, frequently in injurious numbers. It is distinguished especially by its very low hood. The variety mali Gibson lacks the apical band on the hemielytra. Brookfield, 27 July, 1910 (E. L. D.); New Haven, 19 Sept., 1910 (W. E. B.); Portland, 14 Aug., 1913 (B. H. W.); Litchfield, 1 Sept, 1914 (L. B. W.); Mystic, 4 March, 1915 (M. P. Z.). C. ciliata Say. Het. New Harm., 26, 1832. The sycamore Tingid, easily distinguished by its milky white No. 34. | HEMIPTERA OF CONNECTICUT: TINGIDAE. 703 coloration; usually there are two small brown dots on disk of hemielytra. Westville, 2 Aug., 1905 (W. E. B.); New Canaan, 14 Sept., 1905 Ones.) : New Haven, 3 Aug., 1009 (B. H. W-:), 19 Sept. 1010 (W. E. B.); Hartford, 26 Sept., 1910 (G. H. H.); Manchester, 18 Sept., mize. & B.), 1: Sept., trorg (B. H. W.); Portland, 14 Aug., 1013 (B. H. W.); Meriden, 8 March, 1914 (H. L. J.); North Stonington, 21 Jan., Mystic, 4 March, 1915 (M. P. Z.). Galeatus Curtis. The extraordinary species belonging to this genus have the paranota and hemielytra widely explanate, surface vitreous, areoles large and often rectangular; pronotal hood small; lateral carinae greatly enlarged, forming two erect hemispheres with convexity outward; angulate process vesiculate. One species occurs in North America. G. peckhami (Ashmead). Ent. Amer., iii, 156, 1887. Body black, antennae, rostrum, and legs yellowish brown, areoles of the lateral carinae of the pronotum and sutural area of hemi- elytra clouded with dark brown, the rest colorless, vitreous. Para- nota with one series containing five areoles. Costal area with one series of large areoles. Length 4.2 mm. Has been found in Maine and New Hampshire. Leptobyrsa Stal. Head covered by pronotal hood; hemielytra ample, widening from base, rounded at apex. One species occurs in North America. L. rhododendri Horvath. Leptobyrsa explanata Heidemann. Rhododendron lace bug. Ann. Mus. Natl. Hung., ili, 567, 1905. Body black, membranous portions pale yellow, the veinlets darker ; a spot on the median carina and a transverse stripe before the middle of hemielytra, brownish. Legs and antennae yellow. Bucculae, sternal ridges, and pleurae pale. Length 3.6 mm. Feeds on Kalmia and rhododendrons, often doing considerable damage. Rockville, 28 June, 1909 (H. Wood); Greenwich, 3 July, 1913, Suan Haven, 30 June, 1915 (W .E. B.); Cromwell, 6 July, 1921 (M. Pomfret, A Aus., 1922 (B: H. W.). , Stephanitis Stal. This genus, characterized by the gradually widened hemielytra and short lateral carinae, is represented in our fauna by a single species recently imported, probably on azaleas from Japan. 704 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. S. pyrioides Scott. (Pl. xvii, 8.) Ann. Mag. Nat. Hist. (4), xiv, 440, 1874. New Canaan, 20 Sept., 1919 (P. G.). Gargaphia Stal. Pronotal hood small, not entirely covering head; hemielytra widely explanate, extending much beyond apex of abdomen. Key to Species. 1. Head with five long acute spines; length more than 4mm. ....... 2 Head with very short blunt spines; length less than 4mm. ...angulata 2. Paranota much narrower than disk of pronotum, evenly rounded laterallnahs. os Seles ada t ctenats “sal bila odie eidinis 5 s:ntakehe ane an tiliae Paranota almost as wide as disk of pronotum, angulately rounded solani G. tiliae (Walsh). Proc. Ent. Soc. Phila., iii, 408, 1864. Pale yellowish brown; head, apical antennal segment, disk of pronotum, and a few veinlets before the middle of the hemielytra, dark brown. Length 4.2-4.6mm. Feeds on the basswood. Pleasant Valley, 5 Sept., 1915 (G. P. Englehardt). G. angulata Heidemann. (PI. xvii, 7.) Can. Ent. xxi, 301, 1800. Coloration much as in the preceding; veinlets varying from pale to brownish yellow. Head with three short blunt spines. Length 3.4 mm. Injurious to the bean in some regions. Brookfield, 27 July, toro (E. L. D.); Hartiord, 5 ime (W. E. B.); New Haven, 19 Aug., t913 (L. B. R.); 23 July ao2o Cea G. solani Heidemann. Proc. Ent. Soc. Wash., xvi, 136, 1914. Length 4mm.; is widely distributed from Virginia toward the south and west, and may yet be found within our limits. It feeds on several species of Solanum, being very injurious to the eggplant. Gelchossa Kirkaldy. (Leptostyla Stal.) Species having explanate and membranous hemielytra, but of elongate form. Hemielytra extending much beyond apex of abdo- men, usually somewhat constricted at middle, without discal elevation. Key to Species. 1. Costal area without a band; frontal spines long .........csueenae 2 Costal area with a distinct black band before the middle; frontal ; SWIMES SHOLE sot ccc lie ale de ee be em ere wily ait Reine Bio's > + =p .clitoriae 2.) Veinlétsof costal area brown-in part in s.ee.c. -sise eee heidemanni Vemlets of costal area white. covii ccescse Wenceslas oblonga No. 34.] HEMIPTERA OF CONNECTICUT: TINGIDAE. 705 G. heidemanni Osborn and Drake. (PI. xvii, 5.) Ohio St. Univ. Bull., xx, 238, 1916. Body black, membranous portions whitish hyaline; eyes, disk of pronotum, discoidal, subcostal, and sutural areas of hemielytra dark brown to black, the main veins paler; a few nervures of paranota and most of those in the costal area dark. Length 3 mm. This species has usually been referred to as G. oblonga Say, but was distinguished by Heidemann under the MS name affinis and described as new by Osborn and Drake. G. oblonga Say, length 2.75 mm., and G. clitoriae Heidemann, length 2.2 mm., are included in the table of species as they will probably be found within our limits. Feeds on the false indigo, Baptisia tinctoria. Somyall 1s. July, 1ozt (B. H. W.); East Hartford, 16 Sept., 1020 (B. H. W.); New Haven, 20 June, 1920 (B. H. W.); Hamden, 14 Aug., fost (i. G.). Physatocheila Fieber. CPlisevie,4y) Species of moderate or small size and compact form, the reticu- lation of the hemielytra and other parts being very close, as in the succeeding genera. Pronotum with three complete carinae; paranota wide and reflexed closely against dorsal surface; hood small, projecting very slightly over the head. Key to Species. 1. Rostrum not extending beyond posterior coxae; color uniform; Meme OimEGS bd lita: TEOMA | cc ans iciaraels op elduie eee « Peteigaee agate Se 2 Rostrum extending beyond first abdominal segment; color more or less distinctly variegated; costal area with two or three rather MuCea aie SehICS IOL SATEOIES 94.4 ae dae eas dss bee dase eaclees variegata Bees area with) two rows of areoles’..- 2.2. ..5..:..4.+-+.....-plexa MstePIahCaATWithintlIbGe FOWS: 562 6 osiec' se oe 0s oes o's te ible brevirostris P. plexa (Say). (Fig. 164.) Het. New Harm., 27, 1832. Uniform dull yellowish brown, eyes and fourth antennal seg- ment darker; rostrum moderate and slightly variable in length, extending more or less beyond the middle coxae, but not beyond the posterior. Hood a little lower than in brevirostris but higher than in variegata. Costal area of hemielytra with two almost | regular series of areoles. Form narrow, elongate oval. Length 3-3.2 mm., width 1.1 mm. Brookfield (E. L. D.). P. variegata Parshley. Psyche, xxiii, 166, 1917. Brown, variegated with black and pale cinereous. Rostrum unusually long, extending beyond the base of the second abdominal 23 706 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. segment. Costal area of hemielytra with areoles irregularly arranged in two or three confused rows; rather broadly oval. Length 3.4 mm. Brookheld, 25 July, 1910 (E. L. D.); Portland, 15° Maysunoe CB He W.):. P. brevirostris Osborn and Drake. Ohio St:. Univ: Ball, xx, 243, 2076. Nearly uniform dull brown; eyes, apical portion of fourth antennal segment, and sternal region darker. Rostrum short, scarcely reaching the middle coxae. Length 3.3-3.5 mm. New Haven, 16 June, 5 July, 1920 (B. H. W.); 9 May, 1021 (M. P. Z.); Milford, 2 May, 1921 (M. P. Z.). Leptoypha Stal. L. mutica (Say). Het; New Harm., 27, 1832. Grayish brown, with oblique dark band on discoidal area, length 3mm. Occurs in Massachusetts. Melanorhopala Stal. Species of elongate depressed form, the hemielytra flat or show- ing only the slightest convexity; antennae usually rather long and slender, the third segment usually cylindrical, usually somewhat curved and enlarged toward the apex in varying degrees. Prono- tum tricarinate ; hood small and not produced anteriorly; paranota narrow, uniseriate, reflexed vertically or against pronotal surface. Hemielytra in the long-winged form widely overlapping and broadly rounded at apex, in the short-winged form very slightly overlapping, acute and distinctly divaricate at apex; main veins distinctly costate; costal area usually uniseriate, sometimes irregu- larly biseriate; subcostal area biseriate. A single species occurs in New England. M. clavata Stal. (PI. xvii, 3.) Enum. Hemip., iti, 130, 1873. Yellowish brown; eyes, enlarged apex of antennae, tarsi, ros- trum, and some of the main hemielytral veins, dark brown. First antennal segment longer and thicker than the second; third slender, enlarged at apex; fourth conical, narrower than third at apex. This species is occasionally taken in sweeping. It is peculiar among the Tingidae in exhibiting sexual dimorphism in the struc- ture of the antennae. In the male the third segment is but slightly enlarged at apex, in the female very strongly so. In the short- winged form the pronotum is reduced in area, the sides straight, the disk flat, while the hemielytra are somewhat shortened, the lateral margins curved, the apices acute and extending distinctly beyond the abdomen. No. 34. |] HEMIPTERA OF CONNECTICUT: TINGIDAE. 707 New Haven, 23 July, 1910, 20, 28 July, 1920 (B. H. W.); Branford, 13 June, 1918 (B. H. W.); Hamden, 7 July, 1920 (P. G.); East Haven, 29 July, 1920 (B. H. W.); Killingworth, 27 June, 1920 (W. E. B.). Hesperotingis Parshley. Form ovate, broadly so in the short-winged forms; surface of hemielytra distinctly but not strongly convex in both forms; anten- nae incrassate, the third segment distinctly clavate, sub-cylindrical at base and apex. Hood very feebly developed, prothorax other- wise as in Melanorhopala. A _ single species occurs in New England. H. antennata Parshley. Psyche, xxiv, 21, I917. Long-winged form. Brown; head, pronotum, and antennae beyond the middle infuscated; membranous portions between the veinlets opaque white. Anterior margin of pronotum, hood, anterior portion of paranota, and margins and apical region of angulate process, yellow. Veinlets of hemielytra light brown, a few irregularly darker; veins defining discoidal area, sometimes one running obliquely across it, one extending from its apex, and one near and parallel with sutural margin, dark brown. Third antennal segment very large, clavate, in basal third more slender than the second, in apical third about as wide as the first is long. Form elongate oval. Length 3.7-4.5 mm. New Haven, 4 Sept., 1911 (C. E. Olsen). Alveotingis Osborn and Drake. Small shining species of elongate oval form, having the third antennal segment clavate, smallest at base and cylindrical toward apex ; hemielytra very convex, without costate main veins, although the outlines of the areas are traceable. One species is known from New England. A. grossocerata Osborn and Drake. Ohio St. Univ. Bull., xx, 245, 1916. Dark brown, veinlets black, areolar membranes gray. Antennae and legs grayish brown. Body beneath black. Hemielytra ample, extending considerably beyond apex of abdomen; sutural area with areoles grading larger inwardly and toward apex; general surface strongly convex, smooth shining. Short-winged form. Similar to the preceding except that the pronotum is flat and narrowed; and the hemielytra are but little longer than the body, the areoles small and nearly equal in size. Length 2.8-3.4 mm. New Haven, 5 July, 1020 (B. H. W.); 16 Aug., 1920 (P. G.); North Branford, 24 June, 1921 (B. H. W.); Westport, 12 June, 1920 (W. E. B.). 708 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Family LYGAEIDAE. By Harry GARDNER Barser, A.M. Preliminary to the publication of this paper synoptic keys were prepared for distinguishing the subfamilies and genera of Lygaei- dae known to occur within the limits of the United States. These were published in Psyche, Vol. xxiv, pp. 128-135, 1917, and Vol. XXv, pp. 71-88, 1918. These keys have here been revised to suit the purposes of this paper. Stal’s various synopses of this family form a reliable foundation for any treatment of the subdivisions. Later writers, myself included, have been able to offer little in the way of change or improvement of his system. Major diagnostic characters used by Stal and having an important bearing, are the position of the spira- cles, whether dorsal or ventral, and the character of the suture between the second and third ventral abdominal segments. This suture in most of the subfamilies is straight and reaches the lateral margins of the abdomen, but in the largest subfamily— Rhyparochrominae—it is outwardly curved forward and does not reach the margin of the body, except in the genus Plinthisus. Other important subfamily characters may be mentioned. The tylus or median lobe of the head may sometimes be sulcate or grooved (Geocorinae). The bucculae, elevated ridges or plates on either side of the base of the rostrum, are reduced or some- times extended to the base of head (Oxycareninae). The fore femora may be more or less enlarged and are often provided with teeth or spines beneath as in most of the Rhyparochrominae. The hemelytra consist of three parts: the clavus, a relatively narrow strip along the sides of the scutellum, the corium being the remainder of the coriaceous part and the terminal membrane. The clavus, most frequently parallel-sided, may become narrowed, apically (Geocorinae) or widened (Cyminae in part). The line of meeting of the two clavi behind the apex of the scutellum is known as the commissure and its length is distinctive in the two fore- mentioned families. The relative expansion of the corium as well as its lack of punctation may play some important part. It is not necessary to mention all of the characters used for tribal and generic diagnostic purposes. However, one or two points may be discussed to advantage. The antenniferous tuber- cles are the more or less triangular lateral processes forming the sides of the head, upon which the four-segmented antennae are mounted. These may be apically truncated or externally acute and viewed from the side are either straight or more or less inclined. The distance between the apex of this tubercle and the anterior margin of the eye, relative to the space back of the eye (post-ocular space) may be of great significance especially in the Rhyparochrominae. The character of the odoriferus orifices (openings of the scent glands) usually placed on the metapleura No. 34.] HEMIPTERA OF CONNECTICUT: LYGAEIDAE. 709 before the posterior coxae are not often employed. These characters are shown in figures 166 and 167. In his subdivision of the Rhyparochrominae into tribes, Stal placed great importance upon the position of the two glandular Antenniferous ¢ tubercle pols a meat [= i 7 SS = Uf “ a ce 8 wa 5 ES () 38 = ro) = — = = g + WY) > 2 2 eiget / Anterior lobe if A : 4 ee a Pronotum Posterior ee lobe J Wj ; (/ {/ Tibia : -2 2g, JA se Su, 7, SU ”, N' Fic. 166. Ligyrocoris diffusus Uhler,—illustrating Lygaeid structures, dorsal view greatly enlarged. Drawing by Mr. H. G. Barber. opaque spots on the sides of the fourth ventral abdominal segment. Dr. Bergroth has called into question the value of these as a tribal character. This matter was discussed by me (Psyche, Vol. xxv, pp. 71-72, 1918), and need not be repeated here. Of secondary 710 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. importance in Stal’s scheme was the nature of the lateral margin of the pronotum, whether keeled, expanded or plain. Still other characters as noted in the keys are the presence or absence of a constricted ring-like collar anteriorly on the pronotum; the colora- tion particularly of the two lobes of the pronotum which are often set off from each other by a transverse constriction; the nature of the bristles or the setae on the hind tibiae; the relative length of Fic. 167. Ligyrocoris diffusus Uhler,—lateral view showing structures. Greatly enlarged. Drawing by Mr. H. G. Barber. the segments of the hind tarsi; the armature of the fore-femora, etc. In certain subfamilies, especially in the Rhyparochrominae, short-winged forms (brachypterous) may frequently occur. The Lygaeidae as represented in the United States is relatively a large family, ranking second to the largest family, Miridae. Van Duzee, in his recent catalogue, lists 187 species. Most of the species are relatively of small size, Oncopeltus fasciatus being the No. 34.] HEMIPTERA OF CONNECTICUT: LYGAEIDAE. 711 largest, and Antillocoris pallidus the smallest, member. From an economic standpoint a few of the Lygaeidae occupy an important position, notably the true and the false chinch bug, Blissus leucop- terus, Nyswus ericae, etc. Most of the subfamilies are represented by exclusively plant-feeding species, but the Rhyparochrominae seem to be mainly carnivorous as shown by the character of their fore legs. The antennae have four segments, and are inserted on or below the lateral margins of head. Ocelli very seldom absent. Rostrum of four segments. Hemelytra generally coriaceous, consisting of clavus, corium and membrane; clavus with rare exceptions, form- ing a commissure; membrane with not more than five simple veins. Coxae trochalopodous. Tarsi three segmented; claws provided with arolia. Nymphs with two or three abdominal odoriferous orifices. Eggs deposited externally. This family is divided into seven subfamilies according to the following key: Key to Subfamilies. 1. All sutures between the ventral segments of the abdomen straight and reaching lateral margins on each side. Head commonly with- out setae near eyes. Fore femora most commonly unarmed .... 2 Suture between the third and fourth ventral segments of the abdo- men curved anteriorly and not reaching lateral margins on each side (except Plinthisus). Head most commonly provided with one or more setae near the eyes. Fore femora usually swollen and most commonly armed with teeth .......... RHYPAROCHROMINAE 2. All abdominal spiracles situated dorsally. Entire posterior margin of pronotum, or at least the margin before the scutellum, turned down convexly. Fore femora not much swollen and rarely armed Perea wit tee Ok SPINES: obi dace U bite we le dees caavceeees 3 All abdominal spiracles not situated dorsally, at least those of the sixth placed on the venter. Posterior margin of pronotum, at least before scutellum, commonly not turned down convexly. Fore femora more or less swollen, armed or unarmed ........... 4 3. Posterior margin of pronotum between scutellum and lateral angles more or less distinctly depressed or impressed. Hemelytra, usually the head, pronotum and scutellum impunctate. Two inte- rior veins of membrane commonly joined together near base by a Pee AT Eee CM VICUET 9 Sap ih see fart) eran se chebat ars alia a’ sabe aiaracisate! werd ts LYGAEINAE Posterior margin of pronotum between the scutellum and lateral angles not distinctly depressed or impressed. Hemelytra, head, pronotum and scutellum distinctly punctate. Two interior veins of membrane not joined together near base by a cross vein ..CYMINAE 4. All abdominal spiracles not situated ventrally, at most only three apical ones so placed. Anterior femora moderately incrassate and RMP IMT SEN LER IC CL cid lo tek oi chai lds wk aed tl cleo wis walla: Bsa 9c saloon allover All abdominal spiracles situated ventrally. Anterior femora more or less swollen and armed with one or more spines ............. 6 5. Head always narrower than posterior margin of pronotum; tylus not sulcate. Hemelytra not convex and almost if not quite im- punctate; clavus not narrowing posteriorly, commissure distinct, and at least half as long as scutellum. Fore femora sometimes MIC SWOMICH CI SCUMOMCINUS) ..cich eielarn sae emacs Je awaiee 2s BLISSINAE Head across eyes very broad, as wide or wider than posterior 712 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. margin of the pronotum. Tylus usually sulcate Hemelytra convex and plainly punctate; clavus commonly narrowing pos- teriorly; commissure usually absent or very short. Fore femora moderately incrassate and unarmed J.-5. 02). 57. 23 eeeee GEOCORINAE 6. Anterior femora much swollen and armed with numerous teeth. Exterior vein of corium not parallel with costal margin. Corium not wider than abdomen. Bucculae short, confined to front of head. Posterior coxae not widely separated ..... PACHYGRONTHINAE Anterior femora only moderately swollen and armed with a single tooth. Corium expanded, wider than abdomen; exterior vein sub-parallel with margin of corium. Bucculae extended through the head. Antennae inserted close to bucculae. Posterior coxae widely’ Separated’ ../s... #i%0 woe wath oo cee ee eee OXYCARENINAE Subfamily LYGAEINAE Stal. Key to Tribes and Genera. 1. Apical margin of corium straight, not sinuate inwardly. Exterior apical angle of antenniferous tubercles obtuse or sub-obtuse. Last dorsal segment of male truncate. Genital segment of male not foveate (Tribe Lygaemt)..........% 0s 6 «see eee 2 Apical margin of corium inwardly sinuate. Apical angle of anten- niferous tubercles prominent, acute or sub-acute. Sixth dorsal segment of male rounded. Genital segment of male foveate (Tribe Orsillini) ) oo occas die pts ak os ces eae » elles oe 3 2. Posterior margin of pronotum before scutellum sinuate; carinate anteriorly in the middle. Scutellum more or less tumid and edrinate apleally Jogi: Pena hee 6a eee Oncopeltus, p. 712 Posterior margin of pronotum truncate; without a median keel or with keel not reaching anterior margin. Scutellum not tumid; with a longitudinal keel, commonly joined to a transverse keel at DASE ih accjalS irbiateig/ one bho btn hate ere eee enolase Cy ee Lygaeus, p. 713 3. Basal segment of antennae surpassing apex of tylus. Head mod- erately elongate. Rostrum short, its apex scarcely reaching upon ADGOMER | 5 oid ais ola’ co diolewioie se 4 aidniw ae @ adele 60 eel te 4 Basal segment of antennae not reaching apex of tylus. Head much elongated. Rostrum long, reaching beyond middle of venter Belonochilus, p. 715 4. Costal margins of hemelytra straight throughout, parallel or con- verging posteriorly. Eyes prominent; exposed area back of eyes greater than half of width of eyes. Bucculae less than half the length of gular area. Apex of orifices exteriorly, prominently AUICWIALE: 5% 5/3 os sida abe Co ee eR oe ee eee Ortholomus, p. 714 Costal margins of hemelytra straight only at base, if at all. Eyes not so prominent. Bucculae variable. Apex of orifices suddenly abbreviated, rarely sub-auriculate ).. ~. sic sc lecie eee Nysius, p. 714 f Tribe LYGAEINI. Oncopeltus Stal. O. fasciatus (Dallas). List of Hemip., ii, 538, 1852. The largest and showiest member of the family occurring in New England. Measures fully 15 mm. to tip of membrane. The hemelytra, lateral margins of pronotum and a Y-shaped mark on No. 34.] | HEMIPTERA OF CONNECTICUT: LYGAEIDAE. 71% the head, red with a broad band across the middle of the wings and | the membrane, black. This species is fairly common upon milk-weed throughout the United States. Stonington, July, 1909 (G. H. H.); South Meriden, 11 Sept., 191 (H. L. J.); Stamford, 13 Aug., 1891 (A. P. M.). : ae Lygaeus Fabricius. L, kalmii Stal. (PI. xvi, 30.) Enum. Hemip., iv, 107, 1874. Black, with the red markings of the hemelytra forming a cross; a spot on the vertex of the head and a transverse fascia on the pronotum, red; the latter may be broken up into three large spots. Clavus and membrane black, the latter narrowly margined with white. Size 11-12 mm. Another common milk-weed species occurring throughout the United States. Stamford, 13 Aug., 1891 (A. P. M.); New Haven, 15 July, 1808, 2 July t900 (W. E. B.), 13 June, 1902 (E. J. S. M.), 28 Aug., 1913 (B. H. W.): Montowese, 8 July, 1901 (W. E. B.); East Hartford, 2 Aug. 1905 (B. H. W.); North Haven, 3 Aug., 1905. (B. H. W.); New Canaan, 26 Sept., 1906, 16 Sept., 1913 (W. E. B.), 26 Sept., 1913 (I. W. D.), 21 Sept. song (5: H. W.); Prospect,.15 Aug) 19000 (W."E. B:); Hartiord, 12 Sept., 1907 (W. E. B.); Stonington, July, 1909 (G. H. H.); Wallingford, 4 Aug., 1910, 8 June, 1912, (D....J.. C.);\, Glastonbury, 12-.Sept., 1013 (L. B. R.); Farmington, 21 May, 1914 (W. Marchand); Meriden, 16 eens (tL. J.);° Bridgeport, 20 Oct., 1018 (M. P. Z.) ;/ Cornwall, 5 July, 1919 (M. P. Z.); Goshen, 6 July, 1919, Cheshire, 8 Aug., 1919 (ie F. €.); Southington, 6 July, 1921 (W. E. B.). L. turcicus Fabricius. Syst. Rhyng., 218, 1803. A much more uncommon and narrower form than the preceding but rather closely resembling it in size and markings. The ante- rior half of the clavus and a Y-shaped mark on the head always red. The membrane is always entirely black. About Washington, D. C. Mr. Nathan Banks has taken this frequently on the flower clusters of Ceanothus in June. Reported from the state in Van Duzee’s catalogue of Hemiptera. L. tripunctatus (Dallas). (albulus of var. auctt. nec Distant). List of Hemip., ii, 550, 1852. The smallest and probably rarest member of the genus in the New England states, measuring only some 4mm. long. This species is quite pilose, with the pronotum paler in front and behind. The brownish membrane is variegated with white, with a large whitish premedian spot continuous transversely to the base of the membrane. No records for the state are available but as it has been taken in 714 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Massachusetts, Rhode Island and at Yaphank, Long Island, there is little doubt of its occurrence within the state. Ortholomus Stal. O. scolopax (Say). (longiceps Stal.) Het. New Harm,, 15, 1832. Testaceous, with the head and pronotum, for the most part, mottling of hemelytra and legs ferrugineous, with the apex of the corium rufescent. The membrane, either clear or in part milky white with a fuliginous streak down the middle. The apex of the basal segment of the antenna extends to apex of head, with the second and third segments subequal. The rostrum reaches upon the second ventral segment of the abdomen. Length 5-6 mm. Often confused with Belonochilus numenius Say, which is, how- ever, much paler with a longer head and rostrum, the latter extended nearly to tip of abdomen. New Haven, 20 July, 1904, 23 July, 1905, 7 Aug., 1905, ‘ (We. By, 26 es ee aw North Haste r ee (H..L. V., B. H. W. and E. L. D.); Brookfield, 27 July, torenGE ee Nysius Dallas. The members of this genus can easily be distinguished from the preceding by the fact that the costal margin of the corium 1s straight only for a short distance at base, the corium being wider than the abdomen, so that no part of the connexivum is visible. The eyes are very nearly or quite in contact with the anterior angles of the pronotum. Key to Species. 1. Costal margins of corium at base straight for a distance nearly equal to length of scutellum thence gradually expanded. Bucculae reaching beyond middle of gular region. Smaller species ....... 2 Costal margins of corium straight at base for a distance less than half of scutellum, then abruptly expanded. Bucculae less than half the length of gular region of head. Larger species californicus 2. Basal segment of antenna short, scarcely exceeding apex of head, — little more than one-third the length of second. Antenniferous tubercles shorter. Eyes less bulging; width across eyes less than diameter of posterior margin of pronotum. Bucculae gradually evanescent posteriorly, not reaching base of head. Corium less_ expanded posteriorly ........2000+eeeeee cee ness nes we meee ericae Basal segment of antenna longer, usually exceeding apex of head by nearly half its length, nearly one-half as long as second. Antenniferous tubercles more prominent. Eyes more bulging; width across eyes about the diameter of posterior margin of pro- notum. Bucculae extended to or very nearly to base of head, more elevated throughout, not gradually disappearing posteriorly thymi N. californicus Stal. Freg. Eug. Resa, Ins., 242, 1859. This species, which is common in the southern United States, No. 34.] HEMIPTERA OF CONNECTICUT: LYGAEIDAE. ba reaches its northern limits in the south New England states. It is larger than the other species, measuring around 5-6mm. Color pale ochraceous, with head, pronotum, scutellum and legs punctate with fuscous. The principal veins of the corium and the legs are spotted with ferrugineous. New Haven, 20 July, 1904 (B. H. W.). N. ericae (Schilling). (Pl. xvi, 25.) Beitr. Z. Ent., 1, 86, 1820. This is the smallest and commonest member of the genus—3 to 4mm. long; often becoming destructive to field and garden crops. It may be found sheltering in great numbers under various weeds and grasses in the fall of the year. It is closely related to and resembles the following species in character and markings and likewise was probably introduced from Europe. The characters given in the above key will serve to differentiate these two species. Meowetaven, 1 Aug, 1904 (P. L. B.), 4, Aug., 1909 (B. H. W.); East ifantirord, 9 Aus., 1004. (P. L. B.) ; North Haven, 3 Aug., to05 (H. L. V.); Glastonbury, 27 July, 1904 (W. E. B.); Poquonock, 27 June, 1905 (H. L. V.); Orange, 21 May, 1911 (B. H. W.); Rainbow, 7, 14 May, 1915 fee) = «~Brooktield, July, 1910 (CE. L. D.). N. thymi (Wollf). Icon. Cimic., iv, 149, 1804. This is a more northernly species which spreads into New Eng- land and although no actual record of it has been made ior the state, it has been taken in most all of the other New England states, and should occur in Connecticut. It is slightly larger than the preceding species, with the costal margin of the corium more plainly expanded. Other characters are mentioned in the key. Belonochilus Uhler. B. numenius (Say). Het. New Harm., 15, 1832. Yellow, with ferrugineous punctures and rufous apex to the corium. The head is very long, nearly as long as the pronotum and well extended beyond the apex of the basal antennal segment. The rostrum is exceptionally long, reaching nearly or quite to the end of abdomen. There is no record of this appearing in the state but close collect- ing will certainly discover it as it has been listed from Massa- chusetts and New York. Mr. Otto Heidemann has recorded this species as occurring on the ripened fruits of the Sycamore tree about Washington, D. C. Subfamily CyMINAE. Key to Tribes and Genera. 1. Head without a curved longitudinal sulcus before each ocellus; apical angles of antenniferous tubercles not prominent; terminal 716 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. segment of antenna longer than third. Scutellum equilateral, with commissure shorter than the scutellum. Hemelytra commonly hyaline, not closely punctate all over. Orifices exteriorly extended and produced into a tooth at apex (Tribe IscoNorHYN- CHINE) ) ib cte side) de ain a arepiarelela Win aleve eee enna am Ischnorhynchus 2. Head with a curved longitudinal sulcus before each ocellus; apical angles of antenniferous tubercles prominent, acute; terminal seg- ment of antenna shorter than third. Scutellum wider than long; clavus widened posteriorly; commissure much longer than scutel- lum. Hemelytra not hyaline, strongly and densely punctate all over’ (Tribe Cy MINI) o6clsscs i hadae OR ae ema ee Cymus Ischnorhynchus Fieber. I. geminatus (Say). Het. New Harm., 14, 1832. The sparsely punctate hemelytra are much wider and longer than the abdomen and vary from partially transparent to opaque; the apex of the corium reaches beyond the end of abdomen, and the clear, transparent membrane extends for nearly half its length beyond this part of the body. The rather closely punctate head, pronotum and scutellum are reddish-fulvous. After considerable study and comparison of our species with the European I. resedae Panzer, I am much in doubt as to whether Say’s species is distinct from this. Individuals vary much in size and relative transparency of the corium. New Haven, 27 June, 1902 (E. J. S. M.), 21 Oct., 1903 (H. L. V.), 4 May, 19004 (H.’L.: V.); ‘North Haven, 3 Aug., 19005 (CH EE Waist Haven, 27. June, 19005 (H. L. V.);.. Orange, 21. May, 1011) ( Agee Rainbow, 9 May, 1912 (B. H. W.); Brookfield, 27 July, 1910 (E. L. D.); Portland, 13 Aug., 1913 (B. H. W.), 1 June, 1915 (F. W. Haasis); New Canaan, 17 Sept., 1918 (B. H. W.); North Branford, 5 July, 1921 (PGo Greenwich, 18 Nov., 1920 (M P. Z.); Litchfield, 22 July, 1920 (M. P. Z.) ; Cromwell, 30 Aug. 1toz0 (B. H. W.);. Bridgeport, 20 Sept emo2e (B. H. W.); Killingworth, 31 May, 1920 (B. H. W.). Cymus Hahn. Key to Species. 1. Pronotum, at least anteriorly, provided with an elevated pale, longi- tudinal, calloused ridge. Second antennal segment scarcely shorter than third. Head wider than long, basal segment of antenna extended about to apex of Nead, ..:.......% 0. eee Z Pronotum without a distinct median longitudinal calloused ridge. Second segment of antenna much shorter than third. Head about as long as wide; basal segment of antenna not reaching to apex ot eae es A Rt Oats oR ree angustatus 2. Apical segment of antenna scarcely shorter than third. Width of anterior margin of pronotum subequal to inter-ocular part of head. Size: smaller. 3-3. 5 mii Sov. ces eee tee tes Sk aie oe discors Apical segment of antenna very evidently shorter than third. Anterior margin of pronotum wider than inter-ocular space. Size. larger, Sma.) Lone (i020. see aio. sche de «|e luridus No. 34. |] HEMIPTERA OF CONNECTICUT: LYGAEIDAE. | a7 C. angustatus Stal. Enum. Hemip., iv, 126, 1874. This is the commonest member of the genus, colored pale ochraceous verging into castaneous on the head, pronotum and scutellum, with a piceous spot at the apex of the clavus and the apical angles of the corium. The basal segment of the antenna does not reach to the apex of the head. New Haven, 8 oe 1904 (W. E. B.), oy May, 1905, 17 May, 1906, 26 June, 1910 (B. H W.), 4 July, 1905 (eal: . V.), 7 May, 26 Feb., r1o11 fA. B.C.) ; Branford, 27 June, 1904, 28 July 1905 (HL. V.).;> Thompson; 11 July, 1905 (H. L. V.) ; Milldale, 21 May, 1906 (B. H. W.); Brookfield, ee tiv 1010 (F.\L. D.); Danbury, 15 June, 1909 (C. W. J., H. M. P.); Miilrora, 72 June, 1917 (M. P. Z.); Orange, 17 June, 1920 (M. P. Z.). C. discors Horvath. Ann. Mus. Natl. Hung., vi, 559, 1908. Smallest of the three species occurring in the eastern states; pale yellow testaceous usually with traces of castaneous markings on the corium. No actual record of this species for the state is at hand, but it undoubtedly should be recorded as Parshley lists it from all of the other New England states and it occurs in New York State and further south. It is commonly collected on sedges and grasses along the edges of ponds or in swampy areas. C. luridus Stal. Enum. Hemip., iv, 126, 1874. Closely resembles the preceding but is more elongated. Pale yellow-testaceous, quite frequently conspicuously tinged with red. The terminal segment of the antenna is fully one-third shorter than the third. This species is more northerly in its distribution and I know of no record below New Jersey. Stony Creek, 27 July, 19004 (H. L. V.); peemiere 28 June, 1905 CHV.) ; New Haven, 17 May, 1900, 13 May, 1oit (B.. H.. W.) ; Orange, 21 May, 1911 (B. H. W.). Subfamily BLissInaE. Key to Genera. 1. Body elongate; abdomen over twice as long as head and thorax together. Apical margin of corium straight. Anterior coxal cavities closed behind, along the posterior margin of prosternum. Antennae longer than head, thorax and scutellum together. Rostrum short, its apex not reaching past the middle coxae. Semelum sub-eqiilateral ...0...... 45060 e ens Ischnodemus, p. 718 2. Body shorter; abdomen less than twice as long as head and thorax together. Apical margin of corium sinuate before apex of clavus. Coxal cavities open along posterior margin of pros- ternum. Width of head across eyes about one-half the diameter of posterior margin of prothorax. Antennae about as long as head, thorax and scutellum together. Rostrum longer, reaching past middle coxae. Scutellum wider than long ....... Blissus, p. 718 718 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Ischnodemus Fieber. I. falicus (Say). Het. New Harm., 15, 1832. This is the only one of the seven known United States species occurring in the northern states where it is commonly referred to as the False Chinch Bug. It is easily recognized by its elongate, narrow, depressed form. Measures some 5-6mm. long. The hemelytra are generally abbreviated. It is commonly swept from various wild grasses in low ground. Orange, 21 May, 1911 (B. H. W.). Blissus Burmeister. B. leucopterus (Say). Chinch bug. Het. New Harm., 14, 1832. Measures about 3.5mm. long. The milky white corium and membrane, with the usually conspicuous black apical angle of the former, distinguishes this species. The piceous or black head, pro- notum, scutellum and venter as well as the castaneous legs are quite hairy in the New England specimens. In the typical race of this region the apical one-third of the second, all of the third and fourth segments of the antennae are piceous, the remainder pale. A number of races are now known of which B. leucopterus hi- tus Montandon is the common one in the northeastern states. Along the sandy stretches adjacent to the coast occurs B. leucop- terus arenarws Barber. B. leucopterus, commonly known as the Chinch Bug, is a serious pest of grains in the western states but seldom injurious in New England, where according to Webster it is single-brooded. New Haven, 11 Aug., 1908, 13 May, 1911 (B. H. W.); 25 May, 1911 (A..B. C.): 19 May, 19020 (P..G:); Orange, 21 May, 1017 (Bo South Meriden, 15 Apr., 1914 (H. L. J.); Stamford, 13 Aug., 1891 (A; P.M, H. M..P:); Harttord, 22 Sept, 1022 (G7 ae Subfamily GEOCORINAE. Key to Genera. 1. Head extended laterally, eyes obviously stalked; inner margins of eyes strongly converging throughout; not in contact with anterior lateral margins of pronotum. First segment of rostrum shorter than second or subequal to it. Ocelli commonly placed midway between inner margin of eye and middle of vertex. Head smooth, | “[io|DVED;el2 TTA, Ae Rae EI OE ROR RODE ES IF pe oy 5 hap: Hypogeocoris 2. Eyes not so obviously stalked and commonly contiguous to anterior lateral margins of pronotum; inner margins, at least anteriorly, more commonly sub-parallel. Head commonly more or less punc- tate or rugulose. Ocelli in most cases placed closer to inner margin of eyes than to middle point of vertex. First segment of | rostrum longer than’ S€cond: 2). sj* Black, the third antennal segment orange-yellow; length 5 mm. Known from a single specimen taken in Massachusetts. 18. A. uniformis Heidemann. Proc. Ent. Soc. Wash., vi, 231, 1904. Black, third antennal segment and spots on connexivum yellow- ish; length 4.7-5.5mm. Occurs in Massachusetts, New York, and southward. 19. A. tuberculifer Kirby. In Richardson, Fauna Bor.-Amer., iv, 278, 1837, pl. 6, fig. 5. Black, with pale markings on corium and connexivum; length 6.5-7.3mm. ona clone cer h cin steam emcee Rite 9. Frena extending beyond middle ot scutellum \..45 25.6 , ns die 10 Bg Shia) SHO ECT Ned cee o eista eyo olen lin ice ie ages > Trichopepla, p. 759 10. Tibiae distinctly and broadly sulcate throughout their length ..... II 13 Tibiae not so sulcate 1... css. visee nets csc en esas oo oe 11. Lateral margins of pronotum not crenulate; lateral angles not PFOMMMENT 2. se eee ain nahin Ew wilaye dlaie a © sinye eae 0 6 nin pict al ca ee No. 34.] HEMIPTERA OF CONNECTICUT: PENTATOMIDAE. 759 Lateral margins of pronotum crenulate, lateral angles prominent, Rpuerers OF ACUMUNALC 5 ok aie'o sci on ons ve amie ni 2aie Euschistus, p. 761 12. Form elongate; second and third rostral segments nearly equal .. Rhytidolomia, p. 760 Form broad; second rostral segment longer than third ........... Chlorochroa, p. 760 13. Lateral angles of pronotum with an anteriorly projecting spine; Re TONE ctr Sete sar te ceed wise dns ai hcl y-g use anus Solubea, p. 761 Pateral angles unatmed;: form broad .............. Mormidea, p. 761 Beeeedt moe longer than tylus ... i202 oe oe ce eee Thyanta, p. 766 Juga longer than tylus, almost or quite contiguous in front ........ Peribalus, p. 759 Seana: of sichtiy longer than tylus .....0..0...6<6 cece dec eabes 16 Juga much longer than tylus, usually contiguous in front ......... Dendrocoris, p. 769 16. Fifth antennal segment less than twice length of second; metas- ternal orifices continued in a long tapering ruga ................ Acrosternum, p. 767 Fifth antennal segment more than twice length of second ........ Banasa, p. 768 Peribalus Mulsant and Rey. A genus of few species having the head somewhat dilated later- ally, concealing the antenniferous tubercles from above, and the surface of the body without conspicuous pubescence. One species occurs within our limits. P. limbolarius Stal. (PI. xviii, 8.) Enum. Hemip., ii, 34, 1872. Brown, with close black punctation; lateral margins of prono- tum and of hemielytra at base, connexival margin and apex of scutellum yellowish white. Length 7.5-gmm. This species is often taken in sweeping vegetation. It feeds on shepherds purse and goldenrod and hibernates as adult. New Haven, 24 June, 1902 (E. J. S. M.); East Haven, 9 July, 1908 (B. H. W.); Hamden, 24 July, 1910 (B. H. W.); Manchester, 30 Aug., 1912 (D. J. C.); Yalesville, 30 Sept., 1913 (W. E. B.); Rainbow, 24 May, mes ney 2.) Cornwall, i2-Oct., 1919 (K. F: C.). Trichopepla Stal. This genus is characterized particularly by the long fine pubes- cence on all parts of the body. One species occurs in New England. T. semivittata (Say). Het. New Harm., 9, 1832. Light to dark brown, more or less suffused and strongly punc- tured with black; three lines on head, lateral margins and irregular discal spot of pronotum, and margins and median line of scutellum pale and less strongly punctate. Connexivum spotted. Length 6.5-8 mm. This peculiar form is sometimes found late in the fall in various stages of development, feeding on the wild carrot. In the newly 760 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. emerged adults the connexivum is entirely pale, the normal spotted pattern appearing later. New Haven, 24 June, 1902 (E. J. S. M.), 12 Sept., 1904, 12 July, 1905, 17 July, 1908, 26 June, 1910, 9 July, 1911 (B. H. W.); Stony Creek, 12 cAug., 1904 (P. L. B.) ; Woodmont, 23 July, 1904 (P. L. B.); East Haven, 9 July, 1908 (B. H. W.); Meriden, 28 May, 1915 (H. L. J.). Rhytidolomia Stal. Rather large species of elongate form and olive green color, hav- ing the second and third segments of the antennae and rostrum nearly equal; juga not distinctly longer than tylus; and tibiae sulcate. | : Key to Species. Lateral margin of pronotum narrowly reflexed ................ senilis Lateral margin not reflexed, ..).<.c.04.0 «> aos ue ant Bee saucia R. saucia (Say). (Pl. xvi, 9.) Het. New Harm., 6, 1831. Dark olive brown, head and anterior portion of pronotum of lighter shade; median line of scutellum, lateral margin of corium, and sometimes median line of head and pronotum distinctly pale. Length 9.5-I1mm. This and the following species are occa- sionally met with in the salt marshes of the Atlantic coast. Greenwich, 21 Aug., 1804 (A. P. M.); Stony Creck, 27 (July sagas (H. L. .V.); New Haven, 20 July, 1905 (B. H. W.); 10° ieee (H. B. K.); Lyme, 3 July, 1910 (A. B. C.); East Haven, 2 iiag rere (BO AN). R. senilis (Say). (PI. xviti, 10.) Het. New Harm., 5, 1831. Light to dark olive brown with more or less greenish tinge, lateral margins of corium and connexivum usually somewhat paler. Length 16-19 mm. Branford, 20 Aug., 1905 (H. W. W.); New Haven, 2 Sept., 1910, 7 May, 19i1 (A. B. C.); East Haven, 2 May, 1912 (B. H. W.). Chlorochroa Stal. Broadly oval species having the second segments of antennae and rostrum distinctly longer than third. One species occurs in our fauna. C. uhleri Stal. persimilis Horvath. (PI. xviii, 11.) Enum. Hemip., ii, 33, 1872. Bright green, lateral margins of pronotum, hemielytra at base, and connexivum pale yellow to bright red. Base of scutellum with three small pale spots, apex pale or reddish. Length 12-14 mm. I have seen this species feeding on the cultivated nasturtium, and it is often found on other plants, especially willows and junipers. No. 34.] HEMIPTERA OF CONNECTICUT: PENTATOMIDAE. 761 Manchester, 4 Sept., 1913 (B. H. W.); Meriden, 1 June, 1915 (H. L. J.); Cornwall, 27 May, 1920 (K. F. C.). Mormidea Amyot and Serville. Rather small convex species with more or less strongly project- ing eyes, frena extending beyond middle of scutellum, bucculae not reaching apex of first rostral segment, and unarmed lateral thoracic angles. A single species is found within our limits. M. lugens (Fabricius). (PI. xviii, 12.) Syst. Ent., 716, 1775. Pale brown, with coarse regular black punctation; head black; pronotum black anteriorly, the disk with a pale impunctate trans- verse ridge, the thickened lateral and anterior margins impunctate and pale; scutellum black, with a pale median spot at base and a pale impunctate marginal line. Base of hemielytra and con- nexivum narrowly pale. Length 5.5-6.5 mm. Commonly taken in sweeping; feeds on Verbascum. Mew seaven, 20 june, 19002 (E. J. S. M.), 26 May, 1911 (A. B. C.), 0 June, 1914 (Q. S. L.) (M. P. Z.) ; Mount Carmel, 24 July, 1904 (W. E. B.); Scotland, 30 July, 1904 (B. H. W.); Torrington, 7 July, 1905 (W. E. B.); Branford, 24 July, 1905 (H. W. W.), 28 July, 19005 (H. L. V.); Danbury, 15 June, 19009 (C. W. J.); West Haven, 3 June, 1910 (A. B. C.) ; Hamden, an Mayetoir (6b. H. W.); Darien, 27 May, 1913. (C. W. J.) ; Portland, 15 Aug. 1013 (B. H. W.), 5 June, 1914 (B. H. W.); Stonington, 1 July, 1914 (1. W. D.); Milford, 12 June, 1918, Kent, 1o Aug., 1918 (M. P. Z.); North Branford, 5 July, 1921 (P. G.). Solubea Bergroth. This genus includes a single North American species. Form elongate; lateral angles of pronotum armed with anteriorly pro- jecting spines; bucculae elevated in front, extending beyond apex of first rostral segment; corium more or less transparent. S. pugnax (Fabricius). Syst. Ent., 704, 1775. Yellowish brown, with strong punctures, some of which are black and form marginal bands on head and pronotum. Length 8-10 mm. This species is common to the southward and is admitted to our list on the strength of a single record of capture. It is reported to feed on grasses and allied plants. Stamford, 13 Aug., 1891 (A. P. M.). Euschistus Dallas. The species of this large and exclusively American genus present a remarkably uniform appearance, being much alike in their incon- spicuous brown coloration and broadly oval form. The head is elongate; lateral margins of pronotum crenulate, lateral angles 762 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. prominent, sometimes spinous, scutellum broad, narrowed toward apes The species are confined almost entirely to a plant diet, but they are of little economic importance as they frequent plants of little value as a general rule. Some of the species occur in great abundance in autumn on goldenrod. They have a general resem- blance to the predaceous and highly beneficial species of Podisus, which may be distinguished by the spine at base of abdomen and the enlarged first segment of the rostrum. Key to Species. 1. Pronotum without a raised impunctate line connecting the lateral — ANGIES Mass PU e alee Wek Oke gig ace each nee 2 Pronotum, with, such:a: lines): o2..4.).0. 2282 . i eee ictericus 2. Juga not distinctly longer than-tylus.......sic:.04. 20. see 3 Juga distinctly longer than tylus, but not meeting in front ....... euschistoides 3. Lateral) angles of ventral abdominal segments with a black dot .. 4 Lateral angles usually concolorous; genital plate of male with a dark 4 Spt) s,s 3 2 Jime ieee (M. P. Z.); Northford, 15 June, 1919 (K. F. C.); Stepney, 5 June, 1916 — (J. S. Leonard); Wilton, 22 May, 1916 (W. E. B.); Cornwall, 23 June, 1920 (K. F. C.); Hamden, 28 May, 1920 (P. G.); Marlborough, 15 June, 1022 CW. 4. JB.) E. politus Uhler. Can: Ent, xxi 117, S07. General color usually pale, irregularly speckled above and below with reddish spots; head with a black line below the margin; No. 34.] HEMIPTERA OF CONNECTICUT: PENTATOMIDAE. 763 pronotal punctures more blackened along lateral margins; connexivum spotted. Juga not quite reaching apex of tylus. Lateral margins of pro- notum slightly reflexed, lateral angles rounded. Connexivum narrowly exposed. Form rather depressed. Length 8-9 mm. Sometimes taken on scrub oak. Portland, 8 Aug., 1913, 20 July, 1919 (B. H. W.). E. tristigmus (Say). Het. New Harm., 4, 1831. Usually dark in shade, with black punctation; apex of scutellum pale; connexivum spotted; disc of abdomen with several promi- nent black spots grading larger posteriorly. Apex of head rounded. Lateral angles of pronotum prominent, rounded or acute. Connexivum widely exposed. Length 10-12 mm. Common and feeds on a variety of plants, including pine, goldenrod, mullein, elder, etc. The form with spinose pronotal angles is var. pyrrhocerus H.-S. Torrington, 7 July, 1905 (W. E. B.); Westville, 8 and 30 July, 1905 Wee ba New Canaan, 21 Sept., 1905 (W. E. B.); East Hartford, 13 Aug., 1906 (B. H. W.); Danbury, 15 June, 1909 (C. W. J.) ; Manchester, sores, (1): J. C.); Wallingford, 12 June, 1912 (D. J.C.) :. Port- land, 29 May, 5 June, 1914 (B. H. W.); New Haven, 27 Aug., to14 (W. E. B.), 16 June, 1915 (M. P. Z.); Colebrook (W. M. W.); Rainbow, 14 May, 1915 (M. P. Z.) ; Winsted, 14 May, 1915 (Clemens Kintz) ; Mystic, 25 jumeerors (MM. PP. Z.)> Kent, 10 Aug., tor8 (M. P..Z.); Clintonville, 24 pepe, ioer7 (W.E. B:); Cornwall, 28 Nov., 1919 (K. F. C.). E. variolarius (Palisot de Beauvois). (PI. xviii, 13.) Ins. Rec. Afr. Am., 149, 1805. Pale brown, apex of scutellum usually lighter, connexivum spotted; ventral surface yellowish or greenish, the genital plate of the male with a prominent black spot. Head rounded at apex. Pronotum broad, the lateral angles acute, often spinose. Abdomen comparatively narrow; connexi- vum more or less exposed. Form rather elongate, narrowed posteriorly. Length 11.5-15 mm. Often abundant in the fall on goldenrod, and many other plants, and reported by Van Duzee to vary its vegetarian diet by attacking colonies of Pulvinaria innumerabilis. Like the other species of the genus it hibernates as adult. Mount Carmel, 4 Nov., 1902 (E. J. S. M.); Yalesville, 18 Oct., 1903 Chea) New liaven, 13 Aug., 19003 (B. H..W.), 22 Aug., 1004 (P. L. B.); Oxford, 21 May, 1904 (W. E. B.); Greenwich, 4 Nov., 1904 (W. E. B.); Norwalk, 13 Oct., 19004 (W. E. B.); Scotland, 25 July, 1904 (B, H. W.).: Wartiord, 19 October, 19004 (W. E. B.); New Canaan, 14 and 21 Sept., 1905, 10 Sept., 19008 (W. E. B.); West Haven, 27 June, 1905 (H. L. V.); Westville, 30 July, 1905 (W. E. B.); Mystic, 25 July, 1913 (M. P. Z.); Rainbow, 7 May, 1914 (M. P. Z.); Portland, 22 May, 1914 (B. A. W.):? Vorrmeton (RK. H.); Hamden, 18 June, 1915, (Q. S. L.); Wilton, 2 May, 1916 (M. P. Z.). 764 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. E. ictericus (Linnaeus). Cent. Ins., 16, 1763. Yellowish in shade, with irregularly arranged black punctation. Connexivum very faintly spotted. Body beneath yellowish, often distinctly greenish in the males. Juga often slightly longer than tylus. Pronotum broad, the lateral angles very prominent, acute, connected by an elevated impunctate ridge. Abdomen narrowed posteriorly; connexivum often a little exposed. Length 10.5-12 mm. Usually found in damp situations, where it feeds on Carex, Iris, and other marsh plants. | New Haven, 27 July, 1904 (P. L. B.), 24 Aug., 1914 (M. P. Z.); Bran- ford, 16 Sept., 1904, 1 and 3 July, 1905 (H. W. W.); Hamden, 24 July, rere Cb. HOW): Coenus Dallas. This genus, characterized by the regularly ovate form, reticu- lately veined membrane, large scutellum broadly rounded at apex, and corium with apical margin arcuate and outer angle obtuse, contains a single North American species. C. delius (Say). (PI. xvii, 15.) Het. New Harm., 8, 1831. Pale yellowish brown, with moderately dense large black punc- tures; median line of head and lateral margins of pronotum and hemielytra impunctate. Length 7.5-9.5mm. Commonly met with in sweeping; it usually feeds on the mullein. : Scotland, 25 July, 1904 (B. H. W.) ; New Haven, 6 July, 1904 (H. L. V.), 5 Sept., too05 (B. H. W.), 18 March, ror (A. B: CC) oO Magee (M. P. Z.); East Haven, 16 Aug., 1906 (P. L. B.); Meriden rosie, 1910 (W. E. B.); Thompson, 10 May, 1910 (B. H. W.); Yalesville, 6 Oct., 1910 (D. J. C.); 18 March, 1911 (A. B.C.) ; Stamford pee 1912 (W. E. B.); Farmington, 10 Aug., 1914 (W. M.); Milford, 30 Apr., 1920 (B. H. W.); Marlborough, 15 June, 1922 (W. E. B.). Hymenarcys Amyot and Serville. This genus exhibits some of the peculiarities of the preceding, but the scutellum is smaller and more constricted apically, this approaching the more usual Pentatomid form, and the corium extends further posteriorly, with the lateral angle acute. One species occurs within our limits. H. nervosa (Say). Het. New Harm., 9, 1832. Yellowish brown with dense black punctures, margins of prono- tum and hemielytra impunctate. Length 8.5-9.5 mm. This common southern form has been found in New England on only two occasions. No. 34.] HEMIPTERA OF CONNECTICUT: PENTATOMIDAE. 765 Neottiglossa Kirby. Small species having the head equilaterally triangular in outline and almost as broad as scutellum, which is rather large, broadly rounded at apex, and as long as corium. One species occurs in New England. N. undata (Say). Het. New Harm., 8, 1831. Pale brown, with black punctures gathered more densely on head, anterior portion of pronotum, and base of scutellum, and absent from tylus, median line of pronotum and scutellum, lateral margins of pronotum, and anterior angles of scutellum. Length 5 mm. This species feeds on mullein and hibernates as adult. North Haven, 3 Aug., 1905 (H. L. V.); Middlebury, 2 June, 1916 Om Py Z.). Cosmopepla Stal. Small convex species with head strongly deflexed, narrower than scutellum, sides parallel toward apex, juga and tylus about equal; scutellum rather large, broadly rounded at apex, frena short. One of the species is found within our limits. C. bimaculata (Thomas). (carnifex Fabricius.) (PI. xviti, 18.) Trans. Ill. St. Agr. Soc., v, 455, 1865. Black, strongly punctate, lateral margins of pronotum, hemi- elytra at base, and connexivum pale or reddish; pronotum with longitudinal and transverse red impunctate vittae; scutellum with a red spot on each side near apex; membrane hyaline. Some- times the front margins of head and thorax and edges of genital segment are also red. Length 5-6 mm. This pretty species, well known under the preoccupied name carnifex Fabricius, is often taken in sweeping various plants. It feeds on buttercup, figwort, etc., and hibernates as adult. Canaan, 19 Aug., 1894 (A. P. M.) ; Thompson, 11 July, 1905 (H. L. V.); Danbury, 15 June, 1909 (C. W. J.) ; Meriden, 3 June, 1910 (W. E. B.); Norfolk, 13 July, 1915, 5 June, r919 (M. P. Z.); Salisbury, 13 June, 1916 (M. P. Z.) ; New Haven, 16 July, 1920 (M. P. Z.) ; Cornwall, 2 June, 1920 (Roe). Menecles Stal. A monotypic genus characterized by the broad flattened form, rather elongate anteriorly narrowed head with juga and tylus equal, broad and laterally explanate pronotum with anterior border deeply emarginate, scutellum with long frena, and reticulately veined membrane. M. insertus (Say). (PI. xviii, 16.) Het. New Harm., 6, 1831. 766 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Pale yellowish brown, with very regular and dense black puncta- tion; pronotum and scutellum with a narrow impunctate median line becoming obsolescent posteriorly. Length 13-14 mm. This curious species is occasionally found resting on tree trunks, especially hickory. It has been reported as attacking the larvae of the gipsy moth. Wallingford, 10 Aug., 1911, 20 July, 1910, New London, 2 May, 1913 (D. J. C.).; Stonmegton, 16° June, 1914" (CL W222 Thyanta Stal. Species of moderate size having the orificial canal long and gradually tapering; tylus at least as long as juga; pronotal margins simple; the tibiae sulcate above. Key to Species. Form very broadly ovals length 9 mm. <..5.....2..¢o5eneeee calceata Form more elongate; length about 11 mm. .....:..-5.seeReee custator T. custator (Fabricius). Syst. Rhyng., 164, 1803. Color very variable, pale green to dark olive, sometimes with a purplish band across pronotum; median line of scutellum some- times pale; margins of pronotum and hemielytra sometimes red- dish yellow. Antennae reddish brown. Ventral surface pale. Surface densely and confluently punctate, except lateral margins of pronotum and hemielytra at base. Lateral pronotal angles prominent but not spinose. Male genital plate with slightly promi- nent lateral angles. Form rather elongate oval, sometimes variable. Length 9-11 mm. This species has been taken in Massachusetts and probably occurs in Connecticut, as it is common to the southward. T. calceata Say. Het. New Harm., 8, 1831. Differs from the preceding in its smaller size, shorter scutellum, constant form and coloration, the black markings on margin of head and pronotum, the purplish pronotal band, and the spots of the membrane being always present. The male genital plate is somewhat narrower, with very prominent lateral angles. Form broadly oval. Length 9 mm. A rare species, closely related to the preceding. New Canaan, 2 Oct., 1907 (B. H. W.). Murgantia Stal. A characteristically southern group of brightly colored species having the metasternal orifices inconspicuous, located near the coxae, not elevated, and without a prolonged canal, juga not longer No. 34.] HEMIPTERA OF CONNECTICUT: PENTATOMIDAE. 767 than tylus, frena long, and tibiae sulcate above. One species occasionally reaches our territory through commerce. M. histrionica (Hahn). Wanz. Ins., ii, 116, fig. 196, 1834. Black, conspicuously ornamented with irregular and variable red or pale markings. This is the destructive harlequin cabbage-bug, which is common throughout the southern states and has advanced northward to southern Ohio and Long Island. The species has not become established in New England; one of the two specimens so far discovered here was certainly brought in vegetables from the south, the other probably came in a similar manner. Meriden, 7 Apr., 1910 (H. L. J.). Acrosternum Fieber. This genus includes large green species having the juga not, or very slightly, longer than the tylus, first antennal segment not extending beyond apex of head, fifth antennal segment less than twice as long as second, second rostral segment not shorter than the third, orifices with a long tapering canal extending more than half way to pleural margin, and, in common with the succeeding genera, a spine at base of abdomen. Key to Species. Lateral margins of pronotum arcuate ............... pennsylvanicum Peart marcus Of pronotiim straight 2.0.0 56.0.6 ccs ccc ce ees hilare A. pennsylvanicum (DeGeer). Memoires, iii, 330, 1773. Green, ventral margins of head, third, fourth, and fifth antennal segments in part, abdominal spiracles, and small marginal spots of connexivum, black; mesosternum dark. Length 15 mm. This species is reported to frequent Ceanothus and small oak trees. Only three specimens are known to have been taken in New England. Stonington, 30 June, 1914 (I. W. D.). fe lace (Say). (Pl. xviii, 17.) Ins. of La., 9, 1832. Clear green, marked as in the preceding, except that the pro- notal and corial margins are sometimes narrowly pale. Length 15-18 mm. One of the largest and handsomest Pentatomids of our fauna, occasionally met with in sweeping underbrush in woods, and some- times occurring in large numbers on goldenrod. Westville, 10 Sept., 1904, 2 March, 1915 (W. E. B.); New Canaan, 15 Sept., 1905 (B. H. W.), 16 Sept. 1915 (I. W. D.); Poquonock, 27 June, 1905 (H. L. V.); New Haven, 23 June, 1905 (B. H. W.), 7 Sept., 1910 Ce. C7 19) Wer, 161r (W..EB. B.), 30 July; 19611 (A. B. C.), 25: June, 768 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. 1914 (W. E. B.); Lyme, 4 July, 1911 (A. B. C.) (H. B. K.); Farmington, 3 Sept., 1914 (W. M.); Meriden, 5 Sept., 1914 (H. L. J.) ; Sharon, 7 Oct., 1921 (W. E. B.); Middlebury, 2 June, 1916 (M. P. Z.); Southington, 2 July, so21) (MAP Ze. Banasa Stal. Species of moderate size having the fifth antennal segment more than twice as long as the second. This genus agrees with the pre- ceding in most of its characters but is very distinct in coloration and habitus. Key to Species. 1. Apical lateral angles of abdominal segments more obtuse, not much PFOVECUNT os 2 sc Pia Y's She laces ws olen eveieey ple eek alec laa Pe ee Apical lateral angles of abdominal segments acuminate, slightly projecting’: color brown) ...5242 34cm een ee eee eee sordida 2. Third antennal segment about twice the length of the second; head notinarrowed in front: sis ecios. es Bases oaeeee els Dee dimidiata Third antennal segment shorter; head distinctly narrowed ante- PHOT) Sie coals ale Sasa wate WM ateibial's bi sienleten 2 < latent cites tet al eae er calva B. dimidiata (Say). (PI. xviii, 19.) Het. New Harm., 7, 1831. Greenish, tinged with olive; head red, punctate with black; - pronotum purplish posteriorly; corium purplish, lateral margins green; scutellum pale at apex. Head broadly rounded at apex, sides of juga parallel. Lateral margins of pronotum straight, lateral angles rounded, prominent. Length 8-10 mm. } Taken frequently on cedar and reported from pine, birch, mountain ash, mullein, etc. New Haven, 28 June, 1920 (B. H. W.); Hartford, 19 Oct., 1906, 1 Nov., 1916 (W. E. B.); Wallingford, 28 June, 1911 (J. K. L.); Portland, 8 and 14 Aug., 1913, 5 June, 1914 (B. H. W.); Stonington, May, 12 June, 1914 (I. W. D.); Farmington, 14 June, 1914 (W. M.); Union, 26 May, 1916 (M. P. Z.): Norfolk, 19017 (E...M. Steddard); Canaan, 5, Jalyjiaere (M. P. Z.); Southington, 6 July, 1921 (M. P. Z.); Hamden, 6 Aug., 1922 (B. H. W.); Marlborough, 15 June, 1922 (W. E. B.). B. calva (Say). Het. New Harm., 7, 1832. Similar in general to the preceding. Coloration paler; margin of abdomen with conspicuous black dots; ventral punctures of abdomen fewer and paler; sides of juga convergent anteriorly. Length 9-11 mm. Occurs rarely in New England. Yalesville, 19 Oct., 1903 (H. L. V.). B. sordida (Uhler). Proc. Bost. Soc. Nat. Hist., xiv, 98, 1871. Brown, with green or yellow tinge, punctures darker. Lateral pronotal margins yellow, as is apex of scutellum; longitudinal line and discal spot of corium piceous; connexivum spotted. Length Io mm. No. 34.] HEMIPTERA OF CONNECTICUT: PENTATOMIDAE. 769 The only specimen known to have been taken in New England is a type in the Harris collection. Dendrocoris Bergroth. Small, broadly ovate species having the juga longer than the tylus, and usually contiguous before it; lateral pronotal margins more or less acute, without teeth, lateral angles rounded or obtuse; femora unarmed at apex; and tibiae sulcate. A single species occurs in our fauna. D. humeralis (Uhler). Bull. U. S. Geol. Geog. Surv. Terr., i1i, 400, 1877. Pale yellowish, with dark suffusion and dense black punctation. Length 6.5-7.7 mm. Usually taken in beating small oaks, also reported from Carya and white pine. Hubernates as adult. Meriden, 10 May, 1910 (A. B. C.); Portland, 12 Aug., 1913, 22 May, 1914 (B. H. W.), 21 May, to15 (F. W. Haasis) ; Stonington, 6 July, 1914 Cee) ictllingly, rr June, 19015 (W. E. B.). Subfamily ACANTHOSOMATINAE. In this subfamily the tarsi are two-segmented, and the frena usually extend almost to apex of scutellum. The few species representing the group in our region are rather elongate in shape and belong to the section having a large sternal keel and the abdomen carinate and armed at base with a very large spine. Key to Genera. Metasternal orifices with a short, broadly rounded canal ....Meadorus Metasternal orifices with a long, gradually tapering canal ....... Elasmostethus Meadorus Mulsant and Rey. This genus, containing a single North American species, is characterized by a depression and slight amplification of the pro- notal margin just behind the lateral angles, which are thus made to appear shallowly emarginate, and by the orificial structure noted in the key. M. lateralis (Say). (PI. xviti, 20.) Het. New Harm., 3, 1831. Brown, more or less tinged with red or green, coarsely punctate with black; apex of scutellum sometimes pale; connexivum spotted. Sternal ridge moderately raised, extending forward over prosternum and backward by tip of abdominal spine, which is long and acute. Abdomen with a strong obtuse percurrent carina. Length 7-9 mm. A very variably colored species, locally common. Canterbury, 14 Aug., 1905 (B. H. W.); Lyme, 29 May, 1910, 5 Aug., i9tt aan ToL ( A. C!); 4) Joly; rorr, (A. B, C.) (H. B. Ki); Port- 25 770 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. land) (#12) 13 Aue. sors. 1s May, 1914 (B. H. W.); Litchfield, 1 Sept., Tora Wh By: Wy s Union, 26 May, 1916 Oe P. Z.); Kent, 10 Aug., 1918 = fae ); Granby, 3 Aug., Toto (NLP. 2.) Colebrook, 19 June, 1920 Elasmostethus Fieber. This genus may be distinguished from the preceding by the simple pronotal angles and long narrow orificial canal. One species has been found in New England. CL eruciatus (Say). (Pi, xvii, 25.) Het, New Harm., 2, 1831. Yellowish brown, shining, with coarse dark punctation; base of pronotum and scutellum, clavus, and inner margin of corium, and apex of abdomen, reddish. Length 10-11 mm. Very rare in the southern parts of New England, common in the north, sometimes taken on the alder. Eastford, 15 June, 1916 (W. E. B.). Subfamily ASoPINAE. The species of this group have the rostrum inserted close to apex of tylus, the first segment strongly thickened and not embedded between the bucculae, which are small and convergent posteriorly; first antennal segment in general very short; male — genital plate reduced in size, not covering the copulatory apparatus. The nymphs are often of bright blue and red coloration even when the adults are of a uniform dull brown. This subfamily differs in habit from most of the other Pentatomidae, the species being car- nivorous and very voracious. Their activities are very beneficial to man, as many of the species attack such injurious forms as the potato beetle and various Lepidopterous larvae such as the gipsy and brown-tail caterpillars. The nymphs in earlier stages require vegetable food, becoming exclusively carnivorous in the last instar. Key to Genera. 1. Anterior femora armed with a spine or prominent tubercle near AR Ge cha Blo ate te UNAS EAs hare an Om Rey 2 Anterior femora umarmed 1) c's. gis)b es oisapae e sinc loie syn oreo 2. Scutellum large, broad, extending almost or quite to apex ye abdo- FAS ON aS cra io B Soe Te OE ane DE ORO em ee Stiretrus Scutellum moderate in size, narrowed apically ............... Perillus 3. Base of abdomen without ventral SPINE 2c. cane os sce 4 Base of abdomen with ventral spine or tubercle ...............-. 4. Tibiae sulcate above; lateral pronotal margins crenulate anteriorly Rhacognathus Tibiae not sulcate; pronotal margins entire ............e0008 Zicrona 5. Frena extending beyond middle of scutellum; bucculae slightly elevated, gradually decreasing in height posteriorly ............ Frena extending to middle of scutellum; bucculae strongly ele- vated, not decreasing posteriorly LIne aes CARON AGU ovo sa rr Mineus 6. Tylus generally shorter than juga; male with abdominal stridula- CORY \AreAS*) TALSEL SPECIES io ais Ganciaes wi bee eh eee Bek ce eee Apateticus Tylus as long as juga; areas absent; smaller species ...«..-. Podisus No. 34.] HEMIPTERA OF CONNECTICUT: PENTATOMIDAE. 771 Stiretrus Laporte. Species of oval, very convex form having the scutellum large, covering most of the abdomen; frena short, not extending beyond basal third of scutellum. One species occurs in North America. S. anchorago (Fabricius). Spec. Ins., ii, 341, 1781. Shining, strongly punctate; dark metallic green, head with anterior margin narrowly reddish; pronotum with large yellowish lateral patches, enclosing two or three green spots; scutellum margined with yellow except at base, median line yellow toward apex; hemielytra more or less broadly margined with yellow, membrane dark; connexivum spotted. Length 8mm. Rare. This species is very common in the southern states where it ' appears in a number of very different color varieties. The speci- mens taken in New England all belong to var. fimbriatus Say, to which the foregoing description applies. This species feeds on a variety of more or less injurious insects including the larvae of the gipsy moth. Evoic, 27 Aus., torr (A. B. C.). Perillus Stal. Rather broad, moderately convex species, having the scutellum moderate in size, narrowed apically, the frena extending to the middle; front femora armed with a subapical spine or tooth of variable size; tibiae shallowly sulcate toward apex, the anterior not dilated. Ventral spine of abdomen short, not passing the hind coxae. Key to Species. Anterior femora with a cylindrical blunt spine; color brown; length FLEE COATED GR, En IE eA ee eee a circumcinctus Anterior femora with a low conical tubercle; color otherwise; Sea CSaLTNCANO CEE MOL TELEMIL OF si 5) svete daira oi c -Pdiavane! cod akedh eral aiesdvars oun axepnalee exaptus Ee cireuimeinctus Stal. (Pi. xviii, 22.) Stett. Ent. Zeit., xxiii, 89, 1862. Brown, sometimes with reddish tinge, strongly and sparsely punctate, the punctures mostly dark; pronotum with anterior and lateral margins, and median stripe, pale yellowish, also margin and incomplete median stripe of scutellum; hemielytra and connexivum with lateral margins pale. Length 9-10 mm. Feeds especially upon the larvae and adults of the potato beetle, but seldom if ever becomes numerous enough in this region to render any conspicuous service in this regard. The size and shape of the femoral tooth is useful in separating this species from the next, but this structure is somewhat variable in both and cannot always be depended upon. 772 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Colebrook, 10 Aug., 1909 (W. E. Willis); Meriden, 3 May, 1914 (H. L. J.) ; Milford, 30 Apr., 1920 (B. H. W.); Durham, to Aug., 1922 (MSR. Z): P. exaptus (Say). (PI. xviii, 24.) Jour. Acad. Nat. Sci. Phila., iv, 313, 1825. Color very variable, entirely black to pale yellowish or red with black markings, in the latter case the black often distributed as follows: head except front margin, transverse bands on disk and hind margins of pronotum, median area of scutellum, hemielytra except costal margin. Length 5-7 mm. Several color varieties have been named but it is hardly worth while to enumerate them, as intermediate forms are more common | than those that fit the descriptions. Thompson, 13 July, 1894 (A. P. M.) ; New Haven, 26 Apr., 1908, 18 June, 1921 (B. H. W.); Gales Ferry, 26 Apr., 1913 (D. J. C.) ; Seymour, 21 Apr., ro1o. (A. B. C.); Meriden, 10 July, 1914. (H. L. J.) ; ) Pordand eae 1914 (M. P. Z.); Wilton, 2 May, 1916 (M. P. Z.). Rhacognathus Fieber. Dark, very strongly punctate species somewhat resembling Brochymena in general appearance; scutellum broadly rounded at tip, sides parallel in apical half; anterior tibiae unarmed, sulcate above; abdomen without basal spine; second rostral segment not shorter than the third and fourth together, third not longer than the fourth; bucculae strongly elevated; frena extending about to middle of scutellum; metasternal orifices small, canal obsolete; male without abdominal sericeous patches. This genus includes a single North American species. R. americanus Stal. Enum. Hemip., i, 77, 104, 1851. Pale yellowish brown in ground color, more or less suffused with black, surface with strong, black, more or less confluent punc- tation, producing a general dark effect; lateral pronotal margins, median line of pronotum and scutellum, base of third antennal segment, connexival bands, and markings of legs, pale; membrane black. Juga longer than tylus, contiguous in front. Lateral margins of pronotum straight, crenulate anteriorly; lateral angles promi- nent. Connexivum widely exposed. Form broadly oval. Length Q-II mm. This is a rare species, taken once in Massachusetts. Mineus Stal. This genus contains a single North American species, having the juga and tylus approximately equal; lateral pronotal margins nearly straight, obtuse, entire; scutellum rather narrowly rounded apically, the frena extending a little beyond the middle; tibiae No. 34.] HEMIPTERA OF CONNECTICUT: PENTATOMIDAE. 773 scarcely sulcate above, cylindrical in basal half ; metasternal orifices with a slightly curved canal; abdomen with a short basal spine and sericeous patches in the male. M. strigipes (Herrich-Schaeffer). Wanz. Ins., ix, 338, 1853. Bluish black, anterior and lateral margins and median line of pronotum, lateral margin of corium toward base, connexivum, and border of scutellum, red; membrane black. Length 8-9 mm. Occasionally taken in sweeping vegetation. The markings are moderately variable in shade and extent. New Canaan, 4 Sept., 1918 (M. P. Z.). Apateticus Dallas. Rather large species, having the frena extending beyond middle of scutellum; bucculae but slightly elevated, evanescent poste- riorly; juga generally longer than tylus, their inner apical angles sometimes acute; orificial canal long and slightly curved forward; apical angles of sixth ventral abdominal segment rounded, not prominent; and disk of abdomen in the male with sparsely _ pubescent stridulatory areas. Key to Species. Superior lateral process of male genitalia short and flat; ventral mate of semuale genitalia triangilar 2... 0... Tes cee cynicus Superior process long and slender; ventral plate quadrangular ... bracteatus A. cynicus (Say). (PI. xviii, 23.) (Figs. 168 and 169.) Het. New Harm., 3, 1831. Pale brown, with dark punctures and irregular reddish suffu- sion; pronotal calli more or less greenish; connexivum spotted. Lateral margins of pronotum curved, feebly crenulate ante- riorly; lateral angles acutely spinose. Ventral spine of abdomen large, extending between hind coxae. This and the following species are very similar in most respects, but are easily distinguished by the genital characters mentioned in the table of species. Durham, 1 Sept., 1909 (B. H. W.); New Canaan, 29 Sept., 1909 (ee &.). 20 Sept, rors (8B. H. W.): “Brookfield, 27 June, Io1o (E. L. D.); Portland, 15 Aug., 1913 (B. H. W.); Meriden, 13 July, 1913 CEP fe J). A. bracteatus (Fitch). ime Rept. frans: N. Y.'St. Agr. Soc., xvi, 336, 1856. Generally darker in color than the preceding, and otherwise distinguished by the less acute pronotal spines, the somewhat broader form, and the widely different genital characters men- tioned in the key. Length 13-18 mm. Sometimes taken in sweeping rank vegetation. 774 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Litchfield, 10 Aug., 1901 (L. B. W.); Prospect, 15 Aug. 1906 CW. EB.) Meriden, 2 Aug., 1913 (H. L. J.); New Haven, 24 Aug., 1914 (M. P. Z.); Madison, 24 Sept., 1922 (B. H. W.). Podisus Herrich-Schaeffer. Somewhat feebly distinguished from the preceding by the longer tylus, which equals or exceeds the juga, rather prominent and acute lateral angles of the sixth abdominal segment, absence of stridulatory areas in the male, and generally smaller size of the species. The members of this and the preceding genus hibernate in the adult condition. (For eggs, see pl. xix, 7.) Key to Species. 1. Membrane with a dark longitudinal stripe; lateral angles of prono- tum usually projecting, sometimes spinose, rarely rounded ...... 2 Membrane without stripe; pronotal angles rounded .......... placidus 2. Basal spine of abdomen long, extending between hind coxae ...... Basal spine short, not extending between hind coxae; lateral angles of pronotum not) spinose ...\.6 3). .vscewn {bles 2 eee 4 3. Lateral angles of pronotum prominent and acute, often spinose ... maculiventris Lateral angles rotinded .:. 0.302000. 2. oid. olen See fretus 4. Second antennal segment one-third longer than the third; lateral angles of pronotum not prominent; color grayish brown, corium with: aidark spotso2). abee rae te see ee serieventris Second antennal segment one-fourth longer than the third; pro- notal angles prominent; color generally pale reddish brown ... modestus P. fretus Olsen. Bull. Brook. Ent. Soc., xi, 82, 1916. Pale brown, profusely marked with red and reddish brown blotches ; connexivum spotted ; abdomen ventrally with lateral and median rows of reddish brown spots. 7 Length 12.5-14.1 mm. Occurs in Massachusetts and southward. P. maculiventris (Say). (Pl. xviii, 27 and 28; Pl saae) Ins:iot Tay a1; 1532: Brown, varying irregularly in shade from light to dark, generally with a grayish, not reddish tinge; abdomen with three discal rows of small black spots, the posterior spot of the median row large. Length 10-12.5 mm. This is the most abundant species of the genus in our territory. The present treatment of this species and serieventris is based on an examination of Uhler’s type specimen of the latter in the Harris collection. New Haven, 16 June, 1902 (E. J. S. M.); South Glastonbury, 18 Oct., 19004 (W. E. B.); Southington, 5 July, 1905 (B. H. W.); Cromwell, 29 Sept., 1905 (W. E. B.); Windsor, 26 July, 1905 (W. E. B.); Granby, 3 Oct., 1905; Branford, 18 July, 1908 (Mrs. A. J. Tenney) ; Winnipauk, 4 Aug., 1908 (C. W. J.); Portland, 14 Aug., 1913 (B. H. W.); Meriden, 6 July, 1914 (H. L. J.) ; Moosup, 29 July, 1914 (C. S. Miller) ; Pomfret, 14 No. 34.] HEMIPTERA OF CONNECTICUT: PENTATOMIDAE. 775 June, 1916 (W. E. B.); New Canaan, 17 Sept., 1918 (B. H. W.); Green- wich, 24 June, 1922 (W. E. B.). P. modestus (Dallas). (PI. xviii, 26.) List of Hemip., i, 101, 1851. Pale reddish brown, margins of head and pronotum, and base of scutellum somewhat darker. Body beneath pale, with numerous black spots; abdomen with five rows, the spots of the median row grading larger posteriorly. Lateral angles of pronotum prominent, rather acute, but not spinose; lateral margins angulate; Ventral spine short. Form oval, more elongate in male. Length 9-10.6 mm. Often taken in sweeping. This form, as understood here, is very variable in size, some of the females equalling those of. maculiventris, although the average is much smaller. Meriden, 29 May, 1915 (H. L. J.) ; Woodstock, 13 May, 1915 (W. E. B.); Canaan, 5 June, 1918, Kent, 10 Aug., 1918 (M. P. Z.) ; Lyme, 16 June, 1918 Gimus & W).); Norfolk, 5 June, 1919, Farmington, 19 June, 1919 (M. P. Z.) ; New Canaan, 17 Sept., 1919 (B. H. W.). Pemacius Uhler. (P1. xviii, 25.) Am. Ent., ii, 203, 1870. Brown, with darker punctation, variably mottled and suffused with red or piceous. Lateral margins of head narrowly black. Lateral margins of pronotum pale; membrane without dark stripe; connexivum spotted. Body beneath pale, with a few small black spots, irregularly arranged anteriorly and forming two rows on each side of abdomen. Ventral spine long, extending between hind coxae. Length g-11mm. Taken usually in beating trees. Stonington, 7 June, 1906 (W. E. B.), May, 1o14 (I. W. D.); Brookfield, 27 July, 1010 (E. L. D.); New Haven, 22 June, ro11 (A. B. C.), 24 Aug., 1g MY. Z.) : Litchfield, 23, Mus, ort Cl. B.. W.): Wallingford: 2011, 25 June, 29 July, 1912 (D. T C.).=" Weodbury,, 14 July, 1613, (Wo: Ee B.) ; Portland, 5 June, 19014 (M. P. Z.); North Stonington, 20 May, 1015 (I. W. D.); Killingly, 11 June, 1915 (W. E. B.); Rainbow, 24 May, 1915 (M. P. Z.); Lyme, 16 June, 1918 (M. P. Z.); Ansonia, 26 May, 1918 sos le A a Cornwall, 10 July, 1920 (K. F. C.); Middlebury, 9 May, 1910 PF serieventris Uhler. Peoe, ost, Soc. Nat. Hist., xiv, 94, 1871. Pale brown, tinged with gray; head, anterior and lateral regions of pronotum, base and middle of scutellum, and disk of corium with prominent black markings; connexivum spotted. Body beneath pale, with darker punctures more prominent anteriorly ; abdomen with five rows of black spots, the median row grading larger posteriorly. Lateral margins of pronotum impunctate, pale, somewhat angu- late at middle, irregularly crenulate anteriorly; lateral angles obtuse, slightly prominent. Ventral spine very short, not reaching hind coxae. Form oval. Length 1omm. 776 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. This species is occasionally met with in sweeping vegetation, especially trees. The form described here agrees with Uhler’s description and type, but it is not the serieventris of some authors. The black spot of the corium appears to be a constant feature, and, together with the rather blunt pronotal angles and short ventral spine will serve to distinguish this from the other members of the genus. In size it is often exceeded by females of modestus. Branford, 18 July, 1908 (Mrs. A. J. Tenney) ; Woodstock, 13 May, 1015 CW. Be: }; Zicrona Amyot and Serville. Tylus and juga of equal length; lateral margins of pronotum > entire, not carinate; scutellum rather large, broadly rounded at apex, the frena reaching to about the middle; bucculae small; femora unarmed; tibiae not sulcate above, flattened toward apex ; abdomen unarmed at base, the third, fourth, and fifth segments depressed along median line; sericeous patches lacking. A single species is known. Z. caerulea (Linnaeus). Syst. Nat., Edn. 10, 1, 445, 1758. Iridescent greenish blue; antennae black. Length 6-7 mm. This beautiful species has a very wide distribution, being found throughout Europe and Asia, in Japan, the Dutch East Indies, and North America. Within New England it has been met with very rarely, on the summit of Mount Washington and on the coast of Maine, but in the western states it is of common occurrence. Adventitious specimens have been taken in Connecticut in boxes of nursery stock imported from France. Family CYDNIDAE. By Howarp Mapison ParRSHLEY, Sc.D. This family comprises a moderate number of species small or medium in size and usually black in color, including those with the scutellum large and convex, formerly known as Corimelaenidae, as well as some with the scutellum smaller and flat, the Cydnids proper or burrowing bugs. Many of the species are retiring in habits, living obscurely in the ground, under stones, and in decay- ing wood, others frequent the leaves of plants, occasionally becom- ing injurious, and a few are found in more or less close association with ants. The tibiae are strongly spinose; antennae generally inserted near the base of the head and distant from the lateral margin; propleura convex in front, depressed behind; abdomen with five ventral segments visible in addition to the external geni- talia, the true first being hidden except for its narrow posterior margin. No. 34.] HEMIPTERA OF CONNECTICUT: CYDNIDAE. 777 Key to Subfamilies. Scutellum large and convex, covering the greater part of the abdo- men and wings; corium usually acute at apex, not reaching apex SEE SCASECUIUNED aca cow's 0 sos Sensei Peete ats steals wnrelwfeindeiayahad ae T HYREOCORINAE Scutellum smaller, flat and triangular, not reaching broad apex of SMM MNDOR ME Senay rene el Sie Pevensie a tre peeve Siaiei w widber 650} och ahih-k BOER CyYDNINAE Subfamily THYREOCORINAE. Small, usually black species, generally shining and sometimes inconspicuously marked with white or yellow. The large scutellum is shaped much as in the Scutelleridae and covers the hemielytra except the costal margin, which alone is strongly chitinized. The bugs belonging to this group are most often met with on plants, but are sometimes found under stones and in the excreta of: mammals. The species formerly placed in Thyreocoris Schrank undoubtedly form several groups of generic rank, and the forms occurring in our fauna may be placed according to the following synopsis. Key to Genera. Hemielytra with a groove near the costal margin; femora with SOMES! . 2s. oboe SS Sb 5a sag sta ad, ape tease dias oe Galgupha Hemielytra without costal groove; femora with a few fine bristles Corimelaena Galgupha Amyot and Serville. Black species having spined femora, hind tibiae with five series of spines and a longitudinal carina, and the margins of the body without setae. i Key to Species. Pronotum and scutellum (as viewed from the side) together evenly convex, their bases at same level; hemielytra without a distinct ete te SPLENDOR oie oa ao. b wenn sl sind swine aie araiesnie ate ete oes atra Pronotum and scutellum together not evenly convex, their bases meeting in a transverse groove: hemielytra with a distinct ridge PaSIMCN CUS FAL SEOUVE) 6.0 No cider Uk spr eee els des SS eile nitiduloides G. atra (Amyot and Serville). (Pl. xviii, 2.) Hemip., 68, 1843. Black, shining, antennae more or less reddish. Dorsal surface highly polished, with fine punctation becoming obsolete toward the middle. Form regularly oval. Length 4.8-6mm. Often taken in sweeping vegetation. New Haven, 16 Aug., 1904, 19 July, 1905 (B. H. W.); Guilford, 6 June, 19005 (W. E. B.); Westville, 9 Aug.,. 1906 (B. H. W.); Milldale, 21 May, 19060 (B. H. W.); Brookfield, 27 July, 1910 (E. L. D.); Southington, 9 June, 1910 (B. H. W.); Lyme, 14 May, 1911 (A. B. C.); Hamden, 23 May, 1919 (M. P. Z.). G. nitiduloides (Wolff). Tcon. Cimic, iii, 98, 1802. 778 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Black, shining, less highly polished than the preceding species, the punctures being much coarser and distributed over almost the entire surface. Form narrowed posteriorly. Length 4-5 mm. Reported as occurring on Ceanothus; often found in general sweeping. Litchfield, 7 Sept., 1901 (L. B. W.); Milldale, 21 May, 1906 (B. H. W.); Westville, 9 Aug., 1906 (B. H. W.); Salem, 10 July, 1914 (H. W. Foote) ; Meriden, 21 May, 1915 (H. L. J.). Corimelaena White. Species which are often marked with yellowish white, having the femora not spinose, hind tibiae with four series of spines and without longitudinal carina; margins of body without setae. : Key to Species. Pale border of hemielytra not broadened at base; length more than Feb TMM, ain 5.40.0 tyaie inca ake 5 5) Ake late Coes ata aie ee, lateralis Pale border broadened at base; length less than 3.5mm. ....pulicaria C. lateralis (Fabricius). Syst. Rhyng., 142, 1803. Black, shining, antennae paler; costal margin of hemielytra and edge of fifth ventral segment narrowly yellowish white. Surface coarsely punctate. Form broadly oval. Length 4mm. This species is occasionally taken in general sweeping. It is easily distinguished by the pale, narrow costal streak. Chapinville, 26 May, 1904 (W. E. B.); Winnipauk, 16 June, 10909 (C. W. J.); Milford, 14 June, 1918 (E. D. Brown); Hamden, 17 July, ro20" (OME Pi ZZ): | C. pulicaria (Germar). Zeit. i, Wat. 1, 30) 1830. Black, shining, antennae brown; exposed portion of hemielytra broadly pale, except for some black punctures; edges of fourth and fifth and posterior margin of terminal dorsal abdominal seg- ments reddish yellow. Surface punctured. Form rather broadly oval. Length 2.7-3.2 mm. The smallest and commonest species of the group. It is found in sweeping various plants, and frequents the flowers and fruit of strawberry, blackberry and raspberry to which it imparts an unpleasant taste. Litchfield, 3 Aug., 1901 (L. B. W.); Branford, 18 and 28 July, 1905 (H. L. V.); Stafford, 24 Aug., 1905, Westville, 3 Aug.,, 19005 (Wiese New Haven, 20 July, 1904 (W. E. B.), 19 July, 1905, 17 May, 1906, 20 July, 1908 (B. H. W.); Brookfield, 27 July, 1910 (E. L. D.); Hamden, 28 May, roze Cr G.). Subfamily CyDNINAE. Species of moderate or small size, with scutellum flat, triangular, much smaller than in the group preceding, and not extending to apex of corium; the latter broad at tip, and entirely exposed. No. 34.] HEMIPTERA OF CONNECTICUT: CYDNIDAE. 779 Key to Tribes. pert rantae DEOL OM Id Leck s pe SLs bes ooled caclebwaweees Cydnini Sutin sui Bhat eh 8 Ula’ MR EY Bi Sehirini Tube: CY DNINI. Species of black or rarely brown color living for the most part in the ground, under stones and in ant nests. The tibiae are thickly set with strong spines and long setae, inserted irregularly over the entire surface except on the front legs where the tibiae are flattened and the spines confined largely to the anterior edge and broad apex of the segment. These structures, and the entire ventral aspect of the insects in a general way, recall very strongly the corresponding parts as developed in the Histerid beetles, the apparent convergence extending even to the mode of attachment of the spines, which, in the Cydnines, are not continuous with the tibial surface but are set into cup-like elevations, after the manner of the “inserted denticles” of the beetles. This similarity in struc- ture may perhaps have arisen in connection with the similarity in habits of many of the species, which in both groups are more or less subterranean and myrmecophilous. But our knowledge of these most mysterious Hemiptera is very incomplete and further observations on their modes of life will be of the greatest interest. The species of this tribe are characteristically southern in distribution and they are rarely to be met with in New England. Key to Genera. Perec Gt ead toothed: color brown’ ............2.....¢- Amnestus Peano mead entire: color black ‘2. 1... 0. sec el ascueeee 2 2. Pronotum with an impressed line along anterior margin ....Pangaeus Procecan without impressed line). ..)0..03 2... 0a be oa eed Geotomus Pangaeus Stal. Head almost flat, anterior margins broadly rounded, narrowly reflexed; metasternal orifices with a narrow somewhat irregular canal. Anterior tibiae broadly flattened. Form oval, the margins ciliate with strong sparse setae. One species is reported from our territory. P. bilineatus (Say). Jour. Acad. Nat. Sci. Phila., 10, 1832. Black, shining, antennae and rostrum paler. Length 6.5-7.5 mm. Known to occur in New England only from Massachusetts and Connecticut records given by Uhler. Geotomus Mulsant and Rey. Head broadly rounded anteriorly, margins ciliate and narrowly reflexed; orificial canal broadly rounded at apex. Anterior tibiae moderately flattened. Form oval, margins ciliate. 780 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. G. robustus (Uhler). Bull. U. S. Geol. Geog. Sury. Terr., iii, 390, 1877. Black, shining ; antennae, rostrum, and legs dark reddish brown; corium sometimes reddish; membrane white, slightly tinged with brown. Length 3.7 mm. So te from New England only by Uhler’s Massachusetts record. Amnestus Dallas. Small, convex, brownish species having margin of head toothed ; metasternal orifices with long and scarcely curved canal. Scutel- lum triangular, almost equilateral, sides nearly straight. Corium broad, posterior margin sinuate; clavi contiguous behind scutel- | lum. The male genital segment is triangular with a tubercle at middle; the female ring-like, enclosing the smaller plates. Key to Species. 1. Length 4mm.; color dark; form strongly convex ......... spinifrons Length less than 3mm.; usually paler; less strongly convex .... 2 2. Juga with four teeth; disk of pronotum strongly punctate anter- Ar liye 03 Sh Sk SSS OS EL ee A Oe ec pusillus Juga with five teeth; disk of pronotum obsoletely or sparsely punctate ‘anteriorly... os. ow a setae +2 ee pallidus A. spinifrons (Say). (PI. xviii, 3.) Jour. Acad. Nat. Sci. Phila., iv, 316, 1825. Shining chestnut brown, corium a little paler; membrane trans- lucent white; antennae, rostrum, and legs reddish brown. Anterior femora in female armed with a large bifid spine. Length 4mm. A rather rare species, sometimes found under stones in spring, after hibernation in the adult condition. West Haven, 11 May, 1905 (B. H. W.); Yalesville, 26 May, 1908 (B. H. W.); Southington, 27 Apr., 1910 (W. E. B.); Orange, 21 May, to1r (B. H. W.); Meriden, 1 May, 1914 (H. L. J.). A. pusillus Uhler. Bull. U. S. Geol. Geog. Surv. Terr., i, 278, 1876. Reddish to pale brown, shining, corium lighter in color, mem- brane white. Anterior femora of the female without bifid spine. Length 2.25-2.75 mm. This species, occurring in Maine, has been confused with the following. A. pallidus Zimmer. Can. Ent., xlii, 166, 1910. Similar to the preceding but somewhat larger and having much finer and less regular punctation, the disk of the pronotum being almost impunctate before and behind the coarsely punctate trans- verse impression. Anterior femora in the female armed ventrally with a large bifid spine. Length 2.75 mm. No. 34.] HEMIPTERA OF CONNECTICUT: SCUTELLERIDAE. 781 Occasionally found under stones and by sifting. New Haven, 15 May, 1905, 24 May, 1921 (B. H. W.); Orange, 25 May, 1920 (B. H. W.). Tribe SEHIRINI. In the species of this tribe the head is destitute of marginal teeth or setae and the anterior tibiae are cylindrical toward base, becom- ing dilated and triangularly prismatic at apex. There is but one known North American species. Sehirus Amyot and Serville. Species of moderate size, having the juga extending slightly beyond apex of tylus; mesosternum with a fine median carina; scutellum elongate, the sides nearly straight; apical margin of corium oblique, nearly straight; anterior femora unarmed; and the orificial canal broad and flat. S. cinctus (Palisot de Beauvois). (PI. xviii, 4.) Ins. Rec. Air. Am., 114, 1805. Bluish black, lateral margin of corium and more or less of the connexival margin, outer face of tibiae, and usually a small spot at apex of corium white and impunctate; second antennal segment reddish; membrane brownish hyaline. Body beneath, black. Form oval, broadened posteriorly. Length 5.7 mm. Often taken in general sweeping and reported to feed on the wild raspberry. Hibernates as adult and is one of the first Hemiptera to become active in the spring. New Haven, 20 July, 1908, 9 July, 1911 (B. H. W.), 16 July, 1920 (ia >); Brookfield, 27 July, 1910 (E. L. D.).; New Canaan, 30 Apr., . iro PZ.) : Cornwall, 11 July, 1920 (K. F. C.). Family SCUTELLERIDAE. By Howarp Maptson ParsHLeEy, Sc.D. This extensive family is represented within our limits by but two species, neither of which exhibit the brilliancy of lustre and orna- mentation often characteristic of the forms inhabiting the warmer regions of the world. The more important characters of the group are as follows: hind wings with primary and subtended veins separated by a considerable area which is broadest at middle, pro- vided with a hamus; body convex, generally both above and below; scutellum without frena, very large and convex, covering almost all of the abdomen and leaving exposed only the costal edge of the corium when the wings are at rest; tibiae without spines; mesosternum longitudinally sulcate; abdomen with six visible ventral segments besides the external genitalia, which in the male consist of a single genital plate, in the female of several smaller plates accurately fitted together; ocelli present; rostrum four- 782 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. segmented ; tarsi three-segmented ; probably always phytophagous, but their habits and life histories are little known. Key to Subfamilies. Ventral aspect of abdomen with a finely striated stridulatory area on each side near the median line in both sexes; connexivum not prominently exposed inour species 22.0220. 0/920 eee TETYRINAE Abdomen without stridulatory areas; connexivum prominently exposed im our species... seek Se a een ODONTOTARSINAE Subfamily TETYRINAE. Most of the species of this group are very convex in form and many are of velvety appearance with frequently very variable markings. A single genus and species occurs in our fauna. - Homaemus Dallas. In this genus the species have the scutellum covering hemielytra except at base; connexivum narrowly exposed except at apex of abdomen; orifices situated near the coxae, extended in a long groove with narrow parallel raised margins, curved forward laterally ; and the tibiae sulcate above. H. aeneifrons (Say). (PI. xviii, 1.) Longs Exp. to St. Peters River, ii, 299, 1824. Velvety brown, very variable in shade, with indefinite darker markings on pronotum and scutellum which become scarcely appreciable in the darker specimens; head black with violaceous iridescence; connexivum spotted. Dorsal surface closely punc- tured; head with decumbent pale pubescence. Length 6.5-9 mm. I have taken this species in large numbers in late fall in the White Mountains by sweeping Solidago. It is very rare in the lowlands, but extends far to the south in mountainous regions. Thompson, 11 July, 1905 (H. L. V.); Scotland, 30 July, 1904, 10 Aug., 1905 (B. H. W.); Litchfield, 16 Sept., 19008 (L. B. W-.); Colebrookia Sept., 1911 (W. M. Wheeler). Subfamily ODONTOTARSINAE. In this group the abdomen is destitute of stridulatory areas, and many of the species are less convex than in the preceding, although generally equally rounded above and below. Of the few North American forms, one is found within our limits. Eurygaster Laporte. The species of this genus have the connexivum and costal margin of hemielytra exposed; orifices distant from the coxae, prolonged in a short straight groove, and the tibiae sulcate above. E. alternata (Say). (Pl. xviir5-) Am. Ent., iii, pl. 43, 1828. No. 34.] HEMIPTERA OF CONNECTICUT: SCUTELLERIDAE. 783 Light to dark brown, variably marked, the median line with a more or less prominent pale streak widening posteriorly, two short vittae at base of scutellum and margin of corium more or less pale; dorsal punctures more or less blackened; connexivum spotted; tibiae minutely spinulose. Length 7-10 mm. Taken by sweeping Carex and other plants, generally in swampy places. Thompson, 3 Aug., 1892 (A. P. M.); New Haven, 18 June, 1902 (E. J. S. M:), 8 June, 1904 (W. E. B.), 4 Aug., 19004 (H. L. V.), 9 June, 1905, 17 July, 1908, 18 June, 1911 (B. H. W.); Scotland, 25 July, 1904, Portland, 15 Aug., 1913 (B. H. W.); Litchfield, 31 May, 1913 (L. B. W.); Meriden, 19 June, 1914 (H. L. J.) ; Cornwall, 9 June, 1920 (K. F. C.). aoe : “ } +) rn - J 4 WE ST : HT tea at: INDEX abbas, 742, 745. abbotii, 43, 44. abbreviata, 202, 203. abbreviatus, 720. abdominalis (Deltocephalus), 106, EI2. (Eugnathodus), 146. (Melanolestes), 682, 683. abieticolens, 330. abietinus, 328. abietis (Aspidiotus), 371, 372. (Chermes), 329. (Lachnus), 262. abjecta, 228. abnormis (Dikraneura), 149. (Euhaematopinus), 22. abutilonea, 340. Acalypta, 696, 698. Acanalonia, 38. Acanaloniinae, 26, 38. Acanthia, 412. Acanthiidae, 408. Acanthocephala, 747. Acanthocephalini, 747. acanthopus var. americanus, 21. Acanthosomatinae, 753, 769. acericola (Phenacoccus), 352. (Pulvinaria), 355, 350. acerifoliae, : aceris (Aleurodes), 336. (Neoprociphilus), 324. Achilinae, 26, 20. Acholla, 686, 689. Acinopterus, 90, 133. Aconura, 90, 116. Acrosternum, 759, 767. acteae, 344. Acucephalini, 85. Acucephalus, 85, 86. acuminatus (Acinopterus), 133. (Evacanthus), 80. (Glossonotus), 184, 185. (Oncerotrachelus), 678. acus, 106, II5. Acutalis, 172, 180. acuticauda, 116. acutus (Aradus), 741, 744. (Platymetopius), 100, 102. Adelphocoris, 561, 610. adonidum, 354. adustus, 611, 612. aeneifrons, 782. aequalis, 741, 742. Agallia, 50. agilis (Dicyphus), 476, 477. (Eulachnus), 270. agrestis, 85. albatus, 433, 445. var. albatus, 433, 445. similis, 433, 445. vittiscutis, 433, 445. albescens, 175. albifrons (Acucephalus), 86. (Macrosiphum), 305, 306. albigulus, 492, 493. alboneura, 152, 154. albonotata, 419, 420. albonotatus, 432, 437. var. albonotatus, 432, 437. compar, 433, 438. tinctus, 432, 437. alboradialis, 432, 430. albostriella, 147. var. sana! 148. wahlbergi, 147, 148. Alebra, 147. aeraiat We Alepidia, 537. Aleurochiton, 335, 336. Aleuroplatus, 335, 338. Aleyrodes, 335, 344. Aleyrodidae, 23, 335. Aligia, 90. alliariae, 308. alni (Calaphis), 275, 277. (Neolygus), 580, 584. (Orthotylus), 512, 521. alnicenatus, 463, 466. alnicola (Deraeocoris), 487, 480. (Psallus), 462, 468. alnifoliae, 280. alternata (Arctocorisa), 387, 380. (Eurygaster), 782. alternatus (Archimerus), 748. (Idiocerus), 62. Alveotingis, 698, 707. Alydidae, 385, 749. Alydini, 749, 750. Alydus, 750. Amalopota, 40, 4I. ambrosiae, 300. 786 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. amelanchiericolens, 305, 306. americana (Chionaspis), 362. (Eriosoma), 313. (Microvelia), 419, 420. (Orthezia), 348. (Penthimia), 81. (Ranatra), 401. (Tetraphleps), 668. americanae, 352, 353. americanum, 312, 313. americanus (Lethocerus), 397. (Ochterus), 391. (Periphyllus), 285. (Rhacognathus), 772. (Saltusaphis), 290. (Symydobius), 281. Amnestus, 779, 780. amoenus (Macrotylus), 474. (Neoborus), 561, 562. var. amoenus, 561. scutellaris, 562, 563. signatus, 5062. (Pilophorus), 538, 542. ampelopsidis, 187, 189. Amphiscepa, 38. Amphorophora, 255, 301. amyotii, 43, 45. Anasa, 748. anchorago, 771. ancorifer, 463. ancylus, 371, 372. Aneurus, 739. angulata (Aphrophora), 212, 213. (Gargaphia), 704. angulifera (Draeculacephala), 78. (Lepyronia), 221, 224. angustatus (Cymus), 716, 717. (Platymetopius), 100, 102. (Scolops), 28. angustulus, 632, 635. Anisops, 407. Anisoscelini, 747. annulata (Aphrophora), 212, 2109. (Calaphis), 275, 277. (Psylla), 248, 240. annulatus (Nabis), 672, 673. (Plagiognathus), 431, 442. var. cuneatus, 431, 442. nigrofemoratus, 432, 443. annulicornis, 688. annulipes, 690, 601. Anoecia, 254, 256, 258. Anotia, 40, 42. Antarctophthirus, 23. antennalis, 616, 624. antennata, 707. antennator, 748. antennatus, 22. Anthocoridae, 384, 665. Anthocorinae, 666, 667. Anthocoris, 667. anthracina, 416. anthracinus, 118, 121. Antillocoris, 730, 731. Anuraphis, 255, 290, 208. aonidum, 376. Apateticus, 770, 773. Aphalara, 243, 244. Aphanus, 732, 733. apterus (Halticus), 499. (Phlepsius), 126, 120. Aphelonema, 36, 37. Aphid, apple grain, 300. cabbage, 208. choke cherry, 293. corn leaf, 294. green apple, 295. hickory gall, 330. hop, 304. pineapple gall, 320. pine bark, 330. potato, 309. rose, 300. rosy apple, 208. Spiraea, 297. spruce gall, 320. strawberry, 303. turnip, 295. viburnum, 297. willow, 296, 307. woolly, 251. Aphididae, 23, 250, 253. Aphidini, 253, 255, 200. aphidioides, 49, 50. aphidiphagus, 487, 480. Aphis, 255, 279, 200, 293, 303. Aphrophora, 211. Aphrophorinae, 2009, 211. apicalis (Barberiella), 657. (Crsius), 25: (Lygus), 573, 578. _ (Stachyocnemus), 751. apicatus, I05, III. apiculata, 3090. Apiomerinae, 677, 684. Apiomerus, 684. appalachianus, 402. approximatus (Aradus), 741, 744. (Lygus), 573, 574. (Prociphilus), 322, 323. aptera, 688. Apterus, 490. Aquarius, 650, 660. aquaticus, 300. Aradidae, 384, 738. Aradinae, 738. Aradus, 740. arborea, 757. [ Bull. No. 34.] Archasia, 172, 192. Archimerus, 748. Arctocorisa, 387. arctostaphyli, 118, 121. arcuata (Cicadula), 143, 144. (Corythucha), 700, 702. var. arcuata, 700, 702. mali, 700, 702. arcuatus, 193, 195. areolatus, 104, 106. argenticollis, 661. Arilus, 686, 680. armigera, 740. arquata, 204. artemisicola, 306. arundinis, 291, 290. asarumis, 344. asclepiadifolii, 305, 307. asclepiadis (Aphis), 293. (Myzocallis), 280. asini, 20. Asiphum, 320. Asopinae, 753, 770. Aspidiotus, 360, 371. aspidistrae, 366. associata, 700. associatus, 430. Asterodiaspis, 340. Asterolecanium, 349. Asthenidea, 666. Atarsos, 253. ater (Capsus), 571. var. semiflavus, 572. tyrannus, 572. (Pissonotus), 40. atlantica, 260, 264. atlanticus, 735, 7306. atra (Galgupha), 777. (Phylloscelis), 28. var. albovenosa, 28, 20. Atractotomus, 420, 461. atrinotatus, 582, 580. atriplicis, 2091, 208. atritylus, 581, 584. atrolabes, 152, 153. atropunctatus, 127, 131. attenuatus, 324. Atymna, 172, 108. audax, 687. Aulacaspis, 360, 360. Aulacizes, 73, 75. auletes, 230. aurantii, 376, 377. aureoviridis, I51, 153. auronitens, 95, 96. australis, 417. avenae, 290, 300. axialis, 47. azaleae, 351. HEMIPTERA OF CONNECTICUT: INDEX. Back-swimmers, 404. bactriana, 205. bakeri, 291, 208. Balclutha, 91, 145. balli (Chlorotettix), 139, 140. (Deltocephalus), 106, 116. (Thripsaphis), 290. Banasa, 759, 768. banksi, 301. barbata, 186, 187. barberi (Gelastocoris), 393. (Pselliopus), 686. Barberiella, 655, 657. Barce, 600. basalis (Aradus), 741, 743. (Ceresa), 175, 176. ( Cis) 33. (Macropsis), 67, 68. (Orthaea), 727. (Polymerus), 598, 599. basicornis, 512, 515. basivitta, 53. beckii, 378. belfragei (Archasia), 192. (Protenor), 740. belfragii (Lygus), 580, 593. (Metatropiphorus), 674. belli, 133, 136. bellus, 281. Belonochilus, 712, 715. Belostoma, 396, 307. Belostomatidae, 383, 306. Benacus, 396, 307. Beosini, 722, 732. berberidis, 300. betuella, 275, 277. betulae (Deraeocoris), 486, 480. (Euceraphis), 277, 270. betulaecolens, 275, 277. biceps, 604. bicincta, 210. bicolor, 280. bifasciata, 67, 68. bifida, 76. biguttatus, 684. bilineata, 228, 220. var. infuscatus, 230. pallidus, 230. bilineatus, 770. bimaculata (Cosmopepla), 76s. (Gypona), 83, 84. (Thelia), 183. binotata, 174. binotatus, 614. bipunctulata, 83. birdii, 152, 155: bisignata, 675. bivittata, 38. blatchleyi, 432, 444. 787 788 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. var. blatchleyi, 432, 444. nubilus, 432, 444. Blepharidopterus, 500. Blissinae, 711, 717. Blissus, 717, 718. Boat-flies, 404. bohemani, 752. bohemanni, 460. boisduvali, 366, 367. bonnetii, 42. borealis (Anthocoris), 667. (Aradus), 742, 744. (Ceresa), 175, 176. (Deraeocoris), 486, 487. (Microvelia), 419, 421. (Oecleus), 34. (Platytylellus), 552, 553. bracteatus, 773. braggii, 302, 303. brassicae, 201, 208. brevicornis, 175, 178. Brevicoryne, 255, 290, 2098. brevifurcatus, 632, 634. brevipennis, 692. brevipes, 548. brevirostris (Physatocheila), 705, 700. (Plagiognathus), 432, 441. brevis (Ceresa), 175, 178. (Euceraphis), 279. (Nabis), 673. brittannicus, 371, 372. brittoni (Epiptera), 29. (Thamnotettix), 133, 134. Brochymena, 757. bromeliae (Diaspis), 366, 367. (Pseudococcus), 354. Bruchomorpha, 36. brunnea, 676. brunneus (Fulvius), 480. (Pilophorus), 538, 544. (Pissonotus), 49, 50. (Xestocephalus), 87, 88. Bryocorinae, 428, 478. bubalus, 175, 177. Buenoa, 404, 407. buenoi (Gerris), 661. (Microvelia), 419, 421. (Palmacorixa), 390. (Phytocoris), 632, 640. Buffalo tree hopper, 177. Bug, bed, 660. chinch, 718. clover root mealy, 354. common mealy, 354. false chinch, 718. four-lined, 607. grass spittle, 227. harlequin cabbage, 767. [ Bull. lace, 695. light apple red, 571. long-tailed mealy, 354. mealy, 354. squash, 740. tarnished plant, 575. wheel, 680. bullata, 37, 38. bullatus, 710. var. discopterus, 710. burmeisteri, 676. burnetii, 42. bursarius, 327. buxi (Pinnaspis), 370. (Psylla), 248, 240. Bythoscopinae, 58. Bythoscopus, 59. caerulea, 776. caesar, 505. Calacanthia, 400. Calaphis, 274, 275. calceata, 766. californicum, 305, 307. californicus, 714. Caliscelini, 35. Callicorixa, 387, 300. Callipterina, 254, 273, 274. Callipterini, 254, 271. Callipterus, 281. Calocoris, 561, 610. Calophya, 244, 246. calthae, 245. calva (Banasa), 768. (Micrutalis), 181. camelus, 192. var. viridis, 193. campestris (Liburnia), 53, 55. (Lygus), 573, 575. Camptobrochis, 484. Campylenchia, 171, 173. Campylomma, 429, 430. canadensis (Lygus), 580, 595. var. binotatus, 582, 595. (Macropsis), 67, 68. (Neoborus), 562, 565. (Pseudocnemodus), 720. canaliculatus, 661, 662. candidatus, 512, 517. canicularis, 239, 240. Capitata, 1522: capitis, 18. capreae, 200, 301. Capsidae, 422. Capsinae, 428, 550. Capsini, 550, 560. Capsus, 560, 571. cardinalis, 561. cardui, 201, 293. No. 34.] caricis var. vagus, 5II. carinata, 684. carinatus, 96, 98. carolinensis (Brochymena), 757. (Narvesus), 680. carpinicola, 248, 249. carpinicolens, 304, 307. carueli, 366, 367. _ caryae (Chionaspis) 362, 363. (Lecanium), 357, 358. (Longistigma), 257. (Lygus), 582, 588. var. subfuscus, 582, 588. (Microcentrus), 172. (Monellia), 279. (Phytocoris), 645, 652. (Plagiognathus), 433, 448. caryaecaulis, 330. caryella, 270. Carynota, 172, 182. castaneae (Atymna), 199. (Calaphis ),.275, 277. (Phylloxera), 330, 331. castaneoides, 275, 277. Catonia, 20, 30. catulus, 512, 513. celtidis-gemma, 246, 247. celtidis-mamma, 246, 247. celtidis-vesiculum, 246, 247. Cenchrea, 40, AI. Centromelus, 678. Centrotinae, I71. cephalanthi, 203. cerasi (Myzus), 302, 303. (Psylla) 248, 240. cerasifoliae, 292, 203. Ceratocapsini, 497, 524. Ceratocapsus, 524, 525. Cercopidae, 24, 206. Cercopinae, 200. Ceresa, 172, 175. Chaitophorina, 254, 273, 281. Chaitophorus, 255, 281. Chariesterini, 747, 748. Chariesterus, 748. Chartoscirta, 410. Chermes, 253, 320. Chermesidae, 253, 320. Chermidae, 243. Chiloxanthus, 400. Chinch bug, 718. Chionaspis, 361. Chlamydatus, 429, 430. chlamydatus, 134, 136. chlorionis, 512, 514. Chlorochroa, 750, 760. chloromera, 230, 241. Chlorotettix, 90, 138. chrysanthemi, 433, 444. HEMIPTERA OF CONNECTICUT: INDEX. 789 chrysanthemicola, 2096. Chrysomphalus, 360, 376. Cicadella, 74, 76. Cicadellidae, 24, 56. Cicadellinae, 58, 73. Cicadidae, 23, 238. Cicadula, 91, 142. cicutae, 299. etliata, 700; 702: ciliatus, 134, 136. Cimex, 669. Cimicidae, 384, 668. Cimicinae, 660. cinctifrons, 30, 31. cinctipes, 755. cinctus (Cyrtolobus), 194, 197. (Eutettix), 123, 124. (Pselliopus), 686. (Sehirus), 781. cinerea (Gypona), 81, 83. (Piesma), 6094. cinereus, 193, 195. cinnamomeus (Aradus), 740, 745. (Ohards)? 32: 33) cinnamopterus, 538. circumcinctus (Perillus), 771. (Platytylellus), 552, 555. circumflexum, 302, 303. citri (Halticus), 499. _ (Pseudococcus), 354. Cixiinae, 26, 32. Cixius, 20" 32" 34: clandestina, 550. var. dorsalis, 550, 551. ventralis, 550, 551. claricornis, 470, 471. Clastoptera, 211, 230. clavata, 706. clavatus, 538, 544. clavigenitalis, 580, 581, 593. claviger, 354. clavigera, 728. clitellarius, 134, 135. clitoriae, 704. Clivineminae, 427, 480. Cnemodus, 724, 720. cnici, 306, 307. Coccidae, 23, 346. Coccinae, 347, 354. coccinea (Empoasca), 152, 154. (Graphocephala), 77. var. teliformis, 78. Coccobaphes, 560, 571. Coccus, 355, 350. cockerelli, 354. Coenus, 758, 764. cognatus (Idiocerus), 62. (Oncopsis), 70, 72. Collaria, 546, 547. 790 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. collaris, 134, 135. collina, 155. collitus, 126, 128. coloepium, 33, 34. colon, 611, 614. var. amiculus, 614. castus, 614. colon, 614. colonus, 614. Colopha, 315, 316. colophoidea, 316. colorata, 30. comes, 160 var. basilaris, 150, 161. infuscata, 161. maculata, 161. rubra, 161. scutellaris, 161. vitis, 161. ziczac, 161. commissuralis, 567. communis (Helochara), Fri (Lygus), 582, 590. compactus, 105, IIO. compressa, 387, 390. comstocki, 371, 373. concava, 200. concolor, 511, 514. configuratus, 105, 108. confluens (Phytocoris), 644, 650. (Lopidea), 502. confluenta (Capsus), 502. (Saldula), 413. conformis, 660. confusus (Lygus), 580, 584. (Trigonotylus), 548. conica, 38. consolidatus, 320, 330. consors (Aradus), 741, 743. (Scaphoideus), 95, 97. conspersipes, 641, 643. conspersus, 750. conspicuus, 29. conspurcatus, 616, 626. constans, 175, 178. constricta, 60. constrictus, 727. contracta, 700, 7OI. cooleyi, 320, 330. Cootie, 18. coquebertii, 43, 44. Coquillettia, 474, 475. corculus, 747, 748. cordata, 283. Coreidae, 385, 746. Coreinae, 746. Coreini, 747, 748. coreopsidis, 292, 293. coriacea, 415, 416. Corimelaena, 777, 778. Corixa, 387, 390. Corixidae, 383, 386. Corizidae, 385, 751. Corizini, 751, 752. Corizus, 752. Cornaphis, 320, 321. corni (Anoecia), 258. (Chionaspis), 362, 363. (Lecanium), 358. cornicola, 433, 450. cornifoliae, 293. cornuparvum, 357. corporis, 18. corrugatans, 322. corticevivens, 617, 620. cortitectus, 632, 638. coryli (Macrosiphum), 305, 307. (Myzocallis), 280. (Trialeurodes), 340, 341. Corythucha, 608, 690. Cosmopepla, 758, 765. costalis (Monellia), 279. (Zeridoneus), 727. coweni, 287, 288. crassicornis (Corizus), 752. (Lampracanthia), 415, 416. crassipes (Apiomerus), 684. (Pilophorus), 538, 542. crassus, 734. crataegi (Eriosoma), 313. (Glossonotus ), 184, 185. (Idiocerus), 62, 63. (Macrosiphum), 306, 307. crataegifoliae, 291, 208 crenatus, 741, 742. crevecoeuri, 159, 163. Criocoris, 420, 460. Criomorphus, 20. cristata, 186. cristatus, 680. crocea, 47. Crophius, 721. crotonis, 380. cruciata, 684. cruciatus (Elasmostethus), 770. (Orthotylus), 512, 516. (Scaphoideus), 95, 96. cruentata, 148, 140. Cryphula, 734, 736. Cuckoo-spit, 206. culiciformis, 680. cuneata, 504. cuneatus, 118, I10. cuprescens, I00, 102. cursitans, 666 curtisii, 118, 122. curtulus (Mesomiris), 549. (Tollius), 751. [ Bull. No. 34. | curvipes, 260, 267. custator, 766. cyanophylli, 371, 373. Cyclokara, 40, 4I. Cydnidae, 385, 776. Cydninae, 777, 778. Cydnini, 779. cydoniae, 700, 7OI. Cylapinae, 427, 479. Cylapini, 479, 480. Cylapus, 480. Cyminae, 711, 715. Cymimi, 7106. Cymus, 7106. cynicus, 773. cypraceus, 134, 138. Cyrtolobus, 172, 193. Cyrtopeltis, 476. Cyrtorhinus, 500, 511. Dactylopiinae, 347, 348. davisi (Aphis), 292, 293. (Deraeocoris), 487, 491. (Largidea), 480. (Lopidea), 502. (Megamelus), 48. (Pamillia), 535. (Phytocoris), 616, 624. (Plagiognathus), 433, 452. debilis, 105, 112. decipiens, 134, 137. declivata, 186, 187. decolor, 474. decorata, 187, 101. decorus, 126, 127. deducta, 270. degeeri, 43. delicata (Clastoptera), 231, 232. var. binotata, 233. lineata, 232. (Gypona), 83. delicatus (Pissonotus), 49, 50. (Plagiognathus), 433, 448. delius, 764. Delphacinae, 26, 45. Deltocephalus, 90, 104. Dendrocoris, 759, 760. depictus (Ligyrocoris), 725. (Phytocoris), 645, 654. (Pilophorus), 538, 539. Deraeocorinae, 427, 481. Deraeocoris, 481, 484. Derbinae, 26, 30. destructor, 300. detecta, 52, 54. diadema, 680. Diaditus, 678, 680. dianthi, 303. Diaphnidia, 509, 522. HEMIPTERA OF CONNECTICUT: INDEX. Diaspinae, 347, 360. Diaspis, 360, 366. diceros, 175. Dichrooscytus, 561, 597. Dictyonota, 696, 699. Dictyophora, 27. Dictyophorinae, 26, 27. dictyospermi, 376, 377. Dicyphinae, 427, 476. Dicyphus, 476. diervillae, 305, 307. diffidens, 735. diffusus, 725. digitulus, 526, 533. Dikraneura, 147, 148. Dilachnus, 257, 260. dilatus, 479. dimidiata (Banasa), 768. (Catonia), 30. dimidiatus, 617, 630. Diplodus, 686. dirhodum, 305, 307. discoidalis, 194, 108. discolor (Myzocallis), 280. (Teratocoris), 547. disconotus, 721. discors, 716, 717. discrepans, 476, 477. dislocatus, 607, 608. var. affinis, 608, 609. coccineus, 607, 608. flavidus, 608, 6009. goniphorus, 607, 608. gradus, 607, 600. limbatellus, 607, 609. marginalis, 608, 600. nigriclavus, 607, 600. nigritus, 608, 610. pallipes, 608, 610. residuus, 607, 600. rubellus, 607, 608. scutatus, 607, 609. dispar (Globiceps), 510. (Myzus), 302, 303. distinctus (Megamelus), 20. (Merocoris), 746. (Oncopsis), 70, 73. distinguendus, 62. diversus, 641, 642. dolabratus, 547. dorsalis (Micrutalis), 181. (Oedancala), 721. (Orthotylus), 513, 520. (Pissonotus), 49, 50. (Stenocranus), 46. var. vittatus, 46. dorsata, 36. Dorydiella, 89, 91. Draeculacephala, 73, 78. Li 792 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. drakei (Ceratocapsus), 525, 533. (Psallus), 463, 464. Drakella, 696. Drepanaphis, 254, 286. Drepanosiphina, 273, 285. Drepanosiphum, 254, 286. Driotura, 90, 117. Drymus 733, 734. dubiosa 186, 192. duplex, 382. duzeei (Aradus), 741, 743. (Idiocerus), 62, 63. eburatus, 133, 135. echinocacti var. cacti, 366, 368. Echinophthirus, 23. Echinopthiridae, 18, 23. Ectrichodiinae, 677, 684. edentula, 40, 41. elaeagni, 303. Elasmostethus, 760, 770. Electric light bugs, 396. elegans (Buenoa), 407. (Corythucha), 700, 702. (Dichrooscytus), 597. elephantis, 18. Elidiptera, 29. elliptica, 37, 38. elongatus (Coccus), 356. (Euscelis), 118, 122. (Microphylellus), 455, 458. (Saltusaphis), 290. Emblethis, 733. Emesa, 690, 602. Emesinae, 677, 690. Empoa, 147, 157. Empoasca, 147, 151. Enchenopa, 171, 174. Enderleinellus, 19, 22. Enicocephalidae, 384, 603. Entylia, 172, 205. Epidiaspis, 360, 368. Epiptera, 20. eragrostidis, 316. erectus, 632, 640. Eremocoris, 734, 735. ericae, 714, 715. erigeronensis, 306, 307. Eriococcus, 349, 351. Eriosoma, 312. Eriosomatini, 311, 312. erosa, 603. errabunda, 690. erratica, 21. Erythroneura, 147, 159. Essigella, 257, 271. Euarmosus, 484. Eucalymnatus, 355, 356. Euceraphis, 274, 277. [Bull. Eugnathodus, 91, 146. Euhaematopinus, 20, 22. Eulachnus, 257, 270. euonymi, 362, 363. eupatoricolens, 306, 307. eupatorii, 307. Eupteryginae, 147. eurinus, 750. Eurychilopterella, 481, 484. Eurygaster, 782. eurysternus, 20. Euscelis, 90, 117. euschistoides, 762. Euschistus, 759, 761. Eustictus, 481. Eutettix, 90, 122. Euthochtha, 748. Evacanthus, 73, 80. exaptus, 771, 772 excultus, 126, 127. eximius, 632. exitiosus, 118, II9. exsanguis, 687. extrema, 187, 188. extrusus, 118, 120. fabae, 157, 158. fagi (Lygus), 581, 583. (Phyllaphis), 287. Fahrenholzi, 20. falicus, 718. falleni, 742, 745. famelicus, 476, 477. fasciatus (Ceratocapsus), 525, 5260. (Lygus), 573, 579. var. fasciatus, 573. viridiusculus, 573, 580. (Oncopeltus), 712. fasciolus, 486, 487. var. castus, 487, 480. fascipennis, 245. felti, 46. femoratus, 402. fenestratus, 193, 194. fernaldi, 344, 345. ferrugineoides, 67, 60. ferus (Eremocoris), 735. (Nabis), 672, 673. fieberi, 149, I5I. filicis, 479. Fiorina, 361, 370. floriniae, 370. fiskei, 739. Fitchia, 686, 688. fitchi (Aleyrodes), 340. (Amalopota), 41, 42. (Idiocerus), 62, 63. (Oncopsis), 70, 72. Fitchiella, 36. No. 34.] fitchii (Aphis), 300. (Thamnotettix), 134, 137. flabellatus, 50, 51. Flatinae, 26, 39. flava, 202. flavescens, 152, 154. flavicephala, 202. flavicornis, 433, 436. flavicosta, 105, III. flavida, 246. flaviguttula, 202, 203. var. definita, 203. flavipennis, 140. flavomarginatus, 672, 673. flavoscuta, 155, 156. fiavoscutellatus, 431, 440. flavosparsus, 5II, 513. fletcheri, 357, 358. floccosa, 248, 240. flocculosum, 288, 280. floccus, 320, 330. floridana, 91. flumineum, 308. fodiens, 314. folsomi, 291, 293. fonscolombii, 247. fontinalis, 419, 420. forbesi (Aphis), 291, 203. (Aspidiotus), 371, 373. forbesii, 336. Forda, 256. foveata (Liburnia), 53, 54. (Merragata), 676. foveola, 330, 331. francilloni, 43, 44. franciscanus, 32. fraterna, 690, 601. fraternus (Peritrechus), 731. (Plagiognathus), 431, 4309. (Platytylellus), 552, 557. var. discifer, 552, 550. regalis, 552, 550. rubromarginatus, 552, 558. fraxinicola, 250. fraxinifolii, 322. fretus, 774. Frog-hoppers, 206. frontalis, 100, 103. var. nigrifrons, 103. Fulgoridae, 23, 24. fuliginosus, 193, 194. Fulgorinae, 26. Fullawaya, 288. Fullawayina, 254, 273, 288. fulvicornis, 747. fulvidorsum, 126, 130. fulvidus, 432, 447. Fulvini, 480. fulvipes, 508, 603. HEMIPTERA OF CONNECTICUT: INDEX. 793 Fulvius, 480. fulvus (Myndus), 35. (Phytocoris), 641, 642. (Platymetopius), 100, 102. fumatus, 617, 629. fumida, 147, 148. fumidus (Alebra), 147, 148. (Noctuocoris), 523. fumipenellus, 280. funestus, 742, 744. furcata, 292, 204. furfura, 362, 364. furvus, 538, 539. fusca (Pagasa), 671. (Ranatra), 402. fuscinus, 525, 531. fuscipennis (Cyrtolobus), 193, 195. ° (Phlepsius), 126, 128. © fusiformis, 615. galbanatus, 139, 140. galeaformis, 248, 249. galeator, 748. Galeatus, 606, 703. galeopsidis, 303. Galgulus, 392. Galgupha, 777. galliformis, 350. gammaroides, I17. Garganus, 560, 615. Gargaphia, 6098, 704. Gareata, 171,372: gaurae, 305, 307. gaurina, 307. Gelastocoridae, 383, 392. Gelastocoris, 392. Gelchossa, 608, 704. geminatus, 716. geminus, 561, 562. geneseensis, 581, 585. genistae, 172. Geocorinae, 712, 718. Geocoris, 718, 719. Geoica, 318. Geoiciini, 311, 318. Georgia, 312, 314. Geotomus, 779. gerhardi, 598, 606. Gerridae, 383, 658. Gerrini, 650. . Gerris, 659. gibbosa, 221, 223. gilvipes, 510. elaber, 561, 563. glandulosus, 306. gleditschiae, 67. Globiceps, 500, 510. Glossonotus, 172, 184. gloverii, 378. 794 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. glyceriae, 285. Gobiashia, 315, 316. godingi, 184. Gonianotini, 722, 733. Gossyparia, 349. gossypii, 292, 204. gothica, 76. gracilis (Alepidia), 537. (Dilachnus), 260, 263. (Mimoceps), 546. graminis, 315, 316. graminum, 302. granarium, 305, 307. grandis, 486, 480 granulata, 740. Graphocephala, 73, 77. Graphosomatinae, 753, 754. Grass spittle bug, 227. ante (Macrosiphum), 306, 308. (Thecabius), 325. Greenhouse Orthezia, 348. grisea (Catonia), 30, 31. _ (Ophiderma), 202, 204. griseus, 397. grossocerata, 707. grossus, 481, 484. guttatus, 49, 50. guttulatus, 655. Gypona, 81. Gyponinae, 58, 80. Hadronema, 501. Haematomyzidae, 18. Haematomyzus, 18. Haematopinidae, 18, 109. Haematopinoides, 20. Haematopinus, 19, 20, 22. Haemodipsus, 10, 22. Hallodapini, 428, 474. Halobates, 662, 663. Hallobatini, 659, 662. Halosalda, 4009. Halticini, 497, 408. Halticus, 498, 400. Falyini, 755, 750. hamamelidis, 328. Hamamelistes, 256, 328. Hammatocerinae, 677. Harmostes, 751. Harmostini, 751. harnedi, 408. hartigii, 248. hartii, 159, 160. Harvest flies, 238. hawleyi, 611, 613. var. ancora, 613. fissus, 613. hawleyi, 613. pallidulus, 613. Hebridae, 383, 675. hebroides, 676. Hecalus, 89, 91. hederae, 371, 373. heidemanni (Corythucha), 700, 7orI. (Gelchossa), 704, 705. (Hesperophylum), 665. (Lopidea), 503. (Paracalocoris), 611. (Pilophorus), 538. ( Sericophanes), 545. helena, 199, 200. helianthi, 202, 204. Heliria, 172, 185. Helochara, 7A). 77, Hemichionaspis, 361, 366. hemisphaerica, 359. Heraeus, 723, 725. Herpis, 20. hesione, 662. hesperidum, 356. hesperius, 662. hesperomydis, 21. Hesperophylum, 665. Hesperotingis, 698, 707. Heterocordylus, 500, 524. Heteroptera, 17, 383. Hickory lecanium, 358. hieracii, 306, 308. hilare, 767. hinei, 419, 421. hippophaes, 302, 303. hirta, 410, 411. hirticulus, 581, 504. hirtum, 408. hirtus (Corizus), 752, 753. (Labops), 501. histrio, 485, 486. histrionica (Aphelonema), 37- (Murgantia), 767 Homaemus, 782. Homoptera, 17, 23. Hoplopleura, 19, 21. Horcias, 561, 607. Hormaphidinae, 256, 328. Hormaphis, 256, 328. howardii, 302. humeralis, 769. humilis (Micracanthia), 415. (Oliarus), 32. humuli, 304. husseyi, 631, 639. Hyadaphis, 255, 290. hyalinus (Corizus), 752, 753. (Platymetopius), 100. Hyaliodes, 476, 478. Hyalopterus, 255, 290, 209. Hydrometra, 664. No. 34.] HEMIPTERA OF CONNECTICUT: INDEX. 795 Hydrometridae, 383, 663. (Aulacizes), 75. Hygrotrechus, 659. (Notonecta), 405, 406. Hymenarcys, 758, 764. (Reuteria), 523. Hypogeocoris, 718, 719. irroratus, 126, 128. Ischnaspis, 361, 370. Icerya, 382. Ischnodemus, 717, 718. ictericus, 762, 764. Ischnorhynchini, 716. Idiocerus, 59, 61. Ischnorhynchus, 716. illinoiensis (Erythroneura), 1590, 162. Isometopidae, 385. (Macrosiphum), 306, 308. Issinae, 26, 35. Ilnacora, 501. Issini, 35, 37. imbecilus, 480. Isthmocoris, 710. imbricator, 322, 323. immistus, 96, 90. Jalysus, 738. impatiensicolens, 305, 308. japonica, 370. impatientis, 204. japonicus, 285. impicta, 145, 146. Jar-flies, 238. implanus, 741, 743. Jassina, 56. impunctata, 30, 31. Jassinae, 58, 85. incisa, 29. Jassini, 85, 80. incisus (Ceratocapsus), 526, 532. Jassoidea, 56. (Phlepsius), 126, 127. Jassus, 90, I4I. inconspicuus, 580, 587. johnsoni (Eutettix), 123, 124. inconstans, 739. (Lygus), 582, 593. inermis (Cyrtolobus), 193, 194, 196. jucundus, 95, 96. (Stictocephala), 179. juglandis, 700, 701. infirma, 678, 670. juglans-regiae, 371, 374. inflatus, 104, 106. junceus, 617, 621. infuscatus, 645, 646. juniperi (Parthenicus), 499. inimicus, 105, III. (Pilophorus), 538, 543. innumerabilis, 356. juniperivora, 268. inoptis, 260. inornata, 199, 200. kalmii, 713. inornatus (Aradus), 741, 744. kaltenbachii, 306, 308. (Thamnotettix), 134, 138. Kelisia, 45, 46. inscripta (Draeculacephala), 78, 79. kennicotti (Deraeocoris), 492, 493. (Typhlocyba), 155, 156. (Thamnotettix), 133, 134. inscriptus, 672, 674. kennicottii, 387, 380. insertus, 765. Kermes, 340, 350. insidiosa, 668. kingii, 350. insignis (Orthezia), 348. kilmani, 53, 54. (Platytylellus), 552, 554. kirbyii, 43, 44. var. insignis, 552. kirkaldyi, 401, 402. fraterculus, 552, 554. knighti, 512, 516. (Sixeonotus), 4709. Kolenetrus, 724, 728. insignitus, 742, 744. Kolla, 74, 76. insitivus, 551, 556. var. ‘angusticollis, 551, 550. Labops, 501. instabilis, 508. Labopini, 497, 501. insulata, 405, 407. laburni, 202, 294. intermedius (Cyrtolobus), 194, 197. Laccocera, 46, 51. (Halticus), 500. Lachniella, 257, 268. interstitialis, 413. Lachnini, 254, 256. interrupta, 387. Lachnus, 262. interruptus, 105, 100. lachrymalis, 62, 63. intricatus, 95, 08. lactucae (Amphorophora), 301. invitus, 581, 583. (Macrosiphum), 308 loscytus, 409. lacunosus, 632, 638. irrorata (Aphrophora), 212, 216. laetus, 538, 543. 7096 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Lamenia, 40. Lampracanthia, 410, 415. lanceolatum, 308. languida, 678, 670. lanigerum, 313. lanuginosa, 314. Largidea, 480. lariciatus, 320, 330. laricicola (Deraeocoris), 492, 493. (Plagiognathus), 432, 452. laricis, 260, 265. Lasiochilus, 666. lasiomerus, 616, 617. lateralis (Corimelaena), 778. (Corizus), 752, 753. (Liburnia), 53, 54. (Meadorus), 760. (Oncometopia), 74. var. limbata, 74. (Xantholobus), 201. latipes, 173. laureae, 582, 597. Leafhoppers, 56, 206. apple, 154. bean-vine, 158. elm, 158. grapevine, 160. oak, 157. rose, 158. three-banded, 160. Lecanium, 355, 357. lectularius, 660. lepida, 143, 144. Lepidopsallus, 429, 470. Lepidosaphes, 361, 378. Leptobyrsa, 608, 703. Leptoglossus, 747. Leptostyla, 704. Leptoypha, 698, 706. Lepyronia, 211, 220. Lethaeini, 722, 733. lethierryi, 157, 158. Lethocerus, 396, 307. Leucaspis, 361, 370. leucopterus, 718. Liburnia, 29, 46, 52. Liburniella, 46, 52. ligata, 410, 4II. Ligyrocoris, 723, 725. lillianis, 608. lilii, 305, 308. limbatus, 672, 673. limbolarius, 759. limbus, 611, 613. Limnobates, 664. Limnogonus, 6509. Limnoporus, 6509. Limnotrechus, 650. lineatipes, 53, 55. lineatocollis, 233. lineatus (Hecalus), or. (Philaenus), 225, 227. (Poecilocapsus), 607. lingula, 27. linnei, 239, 240. Linognathoides, Io. Linognathus, 19, 20. lintneri, 362, 364. Liosomaphis, 255, 200, 300. liriodendri (Macrosiphum), 305, 308. (Toumeyella), 357. littoralis (Deltocephalus), 106, 114. (Salda), 412. Livia, 243, 244. lobata, 740. lobatus (Phlepsius), 126, 129. (Scaphoideus), 95, 97. Locust, 238. longicornus, 327. longirostris (Ischnaspis), 379. (Microphylellus), 455, 458. Longistigma, 254, 256, 257. Lopidea, 501, 502. Lopidini, 497, 501. Lopus, 473, 474. Louse, body, 18. crab, 19. dog, 21. elephant, 18. head, 18. hog, 20. horse, 20. jumping plant, 243. long-nosed ox, 20. short-nosed ox, 20. lucida, 387, 380. lugens, 761. lugubris, 742, 745. luridula, 484. luridus (Cymus), 716, 717. (Eutettix), 123. (Platylygus), 572. lusorius, 130, I4I. lutarium, 308. lutea, 179, 180. luteola, 306, 308. luteolus (Phytocoris), 644, 649. (Scaphoideus), 95, 90. lutescens (Aphis), 204. (Ceratocapsus), 525, 527. luteum, 304. luteus, 525, 527. lutulenta, 53, 55. Lyctocorinae, 666. Lyctocoris, 666. Lygaeidae, 385, 708. Lygaeinae, 7II, 712. Lygaeini, 712. No. 34.] Lygaeus, 712, 713. Lygidea, 560, 569. Lygus, 560, 572. lyricen, 239, 240. var. engelhardti, 241. lyropicta, 285. Macrolophus, 476, 478. Macropsis, 59, 66 Macrosiphini, 254, 301. Macrosiphum, 255, 304. Macrotracheliella, 667. Macrotylus, 473, 474. maculata (Lamenia), 40, 41. (Telamona), 186, 188. maculifrontis, 193, 198. maculipennis (Livia), 244. (Macrophylellus), 455, 456. var. fuscicornis, 455, 457. maculipennis, 455, 456. maculiventris, 774. maerkeli, 546. magdalensis, 100, 103. magnicornis, 461. var. buenoi, 461. maidiradicis, 202, 294. maidis, 292, 204. majestus, 126, 127. major (Parabolocratus), 93, 94. (Saldula), 413. (Xerophloea), 84. mali (Dikraneura), 149. (Empoasca), 152, 154. malina, 501. malinus, 524. margaritacea, 407. marginalis, 508. marginata (Livia), 244. (Prokelisia), 47. marginatus (Gerris), 661. (Pissonotus), 40. marmorata, 700, 702. var. informis, 700, 702. marmorata, 700, 702. marmoratus, 123. martini, 664. Masked bed-bug hunter, 681. Mastopoda, 253, 311. mavortius, 720. Meadorus, 760. Mealy bugs, 353. Mecomma, 509, 510. media, 505. medicaginis, 292, 204. medium, 288, 289 Megalocoleus, 473. Megalotomus, 750. Megamelanus, 45, 47. Megamelus, 29, 45, 46, 48. HEMIPTERA OF CONNECTICUT: INDEX. meilleurii, 547. melanogaster, 134, 136. Melanolestes, 682. Melanorhopala, 698, 706. melanota, 81, 83. melanotus, 96, 99. Melanoxantherium, 288. Melaphini, 311, 317. Melaphis, 317. melissae, 155. melsheimerii, 105, 114. Membracidae, 24, 163. Membracinae, 171. mendax, 560, 571. Menecles, 758, 765. mera, 182. Merocorinae, 746. Merocoris, 746. Merragata, 675, 676. Mesamia, 90, 94. Mesomiris, 546, 540. Mesovelia, 675. Mesoveliidae, 384, 674. Metacanthinae, 737, 738. Metatropiphorus, 671. Metrobates, 662. Mezira, 739, 740. Mezirinae, 738, 739. micans, 663. Micracanthia, 410, 415. Micrelytrini, 749. Microcentrus, 171, 172. Microparsus, 254, 311. microphthalmus, 756. Microphylellus, 439, 454. microrhina, 27. Microsynamma, 420, 460. Microvelia, 416, 419. Micrutalis, 172, 181. Mictini, 747, 748. militaris, 501. mimetica, 475. Mimoceps, 546. Mindarinae, 254, 328. Mindarus, 254, 328. Mineus, 770, 772. miniatus, 459, 460. minimus, 105, 113. minor (Draeculacephala), Say 70}: (Oncopsis), 70, 72. minusculus, 470, 472. minutulus, 616, 622. minutus, 317. Miridae, 384, 422. Mirinae, 428, 545. Miris, 546, 547. miscellus, 33. misellus, 105, 100. modesta, 83. 797 798 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. modestus (Ceratocapsus), 525, 527. (Microphylellus), 455. (Orthotylus), 513, 510. var. immaculatus, 512, 520. (Podisus), 774, 775. mollicula, 700, 701. molliculus, 473. mollipes, 78, 70. Monalocoris, 479. Monaphidina, 254, 273. monardae, 292, 204. Monecphora, 2009. monelli, 286. Monellia, 254, 274, 270. monticola, 187, 180. Mordwilkoja, 320, 325. mori, 337. var. maculata, 338. Mormidea, 750, 761. morrilli, 340, 341. morrisoni, 463, 464. morsei, 133, 135. mucida, 277, 270. multisignatus, 611. multispinosa, 680. mundus, 641. Murgantia, 758, 766. mutabilis, 500. mutica, 7006. muticus (Neides), 737. (Xantholobus), 201. Myndus, 32, 34. Myodochini, 722, 723. Myodochus, 723, 724. myricae, 275. Myrmecorini, 550, 655. Myzocallis, 274, 270. Myzus, 255, 302, 303. nabali, 301, 302. Nabidae, 385, 670. Nabinae, 671. Nabini, 671. Nabis, 671. Naeogeidae, 383, 675. Naeogeus, 675. Narvesus, 678, 680. Naucoridae, 383, 402. naya,,30, 31: nebulosus (Deraeocoris), 485. (Phlepsius), 127, 130. (Sphragisticus), 732. necopinus (Eustictus), 481. var. discretus, 481, 482. necopinus, 481. (Orthotylus), 512, 517. Nectarophora, 309. Nectarosiphon, 255, 310. neglectus (Lygus), 580, 590. [ Bull. (Orthotylus), 513, 515. (Phytocoris), 632, 634. (Xenoborus), 567, 568. negundinis (Periphyllus), 285. (Psylla), 248, 240. Neides, 737. Neididae, 385, 737. Neidinae, 737. Neoborus, 560, 561. Neocoelidia, 90, 142. Neohaematopinus, 19, 22. Neolecanium, 357. Neoprociphilus, 320, 323. Neothomasia, 255, 281, 283. Neottiglossa, 758, 765. Nepa, 399. Nepidae, 383, 309. nerii, 205. Nerthridae, 383, 302. nervatus (Idiocerus), 61, 65. (Phyllodinus), 50, 51. nervosa, 764. nervosus, 86. Neurocolpus, 560, 615. Neuroctenus, 739. newsteadi, 378, 379. nigellus, 525, 528. niger, 740, 745. _ nigra (Macrotracheliella), 667. (Saissetia), 359. (Typhlocyba), 155, 156. nigrae, 283. nigricollis (Phytocoris), 631, 636. (Platytylellus), 551, 553. nigricornis, 455, 457. nigridorsum, 94. nigrifrons (Then 134) 137: (Xestocephalus), nigrinasi, 70, 72. nigripennis, 246. nigritulus, AQ2, 403. nigritus, 432, 441. nigrocephalus, 525, 534. nigrofasciatum, 357, 358. nigrolineatus, 431, 443. nigronitens, 432, 435. nigropallidus, 598, 599. nigroscutellatus, 551, 557. Nionia, 85, 89 nipae, 354. Nippolachnus, 256, 258. nitenatus, 487, 491. nitens, 736. nitida, 387, 380. nitiduloides, 777. nivalis, 350, 351. Noctuocoris, 510, 523. nodosa, 728. nominatus, 105, I13. No. 34.] norvegicus, 610. Notonecta, 404. Notonectidae, 383, 404. Notonectinae, 404. notulus, 48. noveboracensis, 78, 80. novella, 60. nubilus (Deraeocoris), 485, 486. (Neurocolpus), 615. nudatus, 139, I4I1. numenius, 715. nymphaeae, 299, 300. Nysius, 712, 714. nyssae, 581, 500. obesa, 418. obliqua, 159, 162. var. dorsalis, 162. fumida, 160, 162. noevus, 162. obliquus, 475. var. ferrugineous, 475. oblonga, 704. obscura (Lamenia), 40. (Lygidea), 569, 570. obscurus (Chrysomphalus), 376, 377. (Lethocerus), 397. (Plagiognathus), 431, 438. var. albocuneatus, 432, 438. obtectus (Deltocephalus), 105, 110. (Phytocoris), 632, 641. obtusa (Clastoptera), 231, 235. var. achatina, 236. obtusa, 236. testacea, 236. (Empoasca), 152, 153. (Trioza), 245, 246. ochraceus, 95, 98. Ochteridae, 383, 391- Ochterus, 391. octolineata, 81, 82. var. octolineata, 82. striata, 81, 82. oculata (Agallia), 50, 60. (Bruchomorpha), 36. oculatus (Collaria), 547. (Gelastocoris), 393. Odontotarsinae, 782. Oeciacus, 669, 670. Oecleus, 32, 34. Oedancala, 720, 721. Okanagana, 239, 242. oleae, 350, 360. Oliarus, 32. olitorius, 141. olseni_(Lepidopsallus), 470, 473. (Phytocoris), 645, 647. omnivagus, 581, 502. onagrae, 305, 308. HEMIPTERA OF CONNECTICUT: INDEX. Oncerotrachelus, 678. Oncocephalus, 678, 680. Oncometopia, 73, 74. Oncopeltus, 712. Oncopsis, 50, 60. Oncotylini, 428, 473. ononidis, 281. onustus, 632, 638. opaca, 20, 30. opacula, 413, 414. opacus, 5098, 604. opalinus, 95, 100. Ophiderma, 172, 202. Opistheuria, 550. orbiculata, 413. Orectoderus, 474, 475. oriander, 418. Ormenis, 39. ornata (Arctocorisa), 387, 380. (Liburniella), 52. ornatus (Aradus), 741, 742. (Orthotylus), 513, 519. (Reuteroscopus), 462. Orsillini, 712. Osthaea, 723). 727. Ortheziinae, 347. Orthezia, 347. Orthocephalus, 498, 500. ortholobis, 362, 364. Ortholomus, 712, 714. Orthophrys, 409. Orthotylinae, 428, 497. Orthotylini, 498, 509. Orthotylus, 500, 511. osborni (Aspidiotus), 371, 374. (Balclutha), 145, 146. (Clastoptera), 231. (Deltocephalus), 106, 116. (Liburnia), 53, 54. ostreaeformis, 371, 374. ostryae, 581, 595. Otiocerus, 40, 43. ovatus, 193, 194. Oxycareninae, 712, 721. Ozophora, 730. pabulinus, 573, 579. Pachygronthinae, 712, 720. Pachypappella, 320. Pachypsylla, 244, 246. packardi, 340, 342. Pagasa, 671. pallescens, 28, 20. pallida (Corythucha), 700, 702. (Epiptera), 29, 30. (Stobaera), 51, 52. pallidicornis, 616, 618. pallidus (Amnestus), 780. (Antillocoris), 731. 799 800 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. (Idiocerus), 62, 65. pallipes (Corythucha), 700, 7ot. (Pissonotus), 49. (Saldula), 473, 404: Palmacorixa, 387, 390. palmeri (Ceresa), 175, 176. (Neoborus), 561, 563. (Nionia), 80. (Phytocoris), 616, 621. paludemaris, 731. paludum, 548. Pamillia, 524, 535. Pangaeus, 779. papyraceae, 328. Parabolocratus, 89, 93. Paracalocoris, 560, 610. Paracoelidea, 90, 142. parallela, 212, 214. parallelus (Euscelis), 118, 119. (Philaenus), 225, 226. parallelogramma, 736. Parasitica, 17. Paraxenetus, 655. Parlatoria, 360, 380. parrotti, 582, 586. parshleyi (Arctocorisa), 387, 3869. (Lygus), 582, 586 (Psallus), 463, 465. var. fuscatus, 463, 466. parshleyi, 463, 465. Parthenicus, 408. parvula, 755. parvus, 269. pascuellus, 105, I12. pastinaceae, 290, 301. Pear psylla, 248. peckhami, 703. pectoralis, 670. pedalis, 20. Pedicinae, 18. Pedicinus, 18, 19. Pediculidae, 18. Pediculinae, 18. Pediculus, 18. pelargonii, 306, 308. pellita, 410, 411. pellucida (Diaphnidia), 522. (Liburnia), 52, 53. Pelocoris, 402. Pemphiginae, 256, 311. Pemphigini, 311, 319. Pemphigus, 320, 326. penipecten, 632, 640. pennsylvanicum, 767. Pentacora, 409, 410. pentagona, 360. Pentagramma, 46. Pentatomidae, 385, 753. Pentatominae, 753, 755. Pentatomini, 755, 758. Penthimia, 81. perdix, 28. pergandei (Corythucha), 700, 702. (Empoasca), 152, 153. pergandii ( Dilachnus), 260, 264. (Parlatoria), 380. Peribalus, 759. Perigenes, 724, 727. Perillus, 770; 774. Periodical cicada, 238, 241. Periphyllus, 255, 281, 283. Peritrechus, 730, 731: perlargonii, 306, 308. permutata, 212, 217. perniciosus, 371, 375. perplexus (Idiocerus), 63. (Pilophorus), 538, 544. perryl, 350, 351. persicae, 302, 303. persicae-niger, 291, 295. personatus, 681. pettiti (Kermes), 350, 351. (Xenoborus), 567, 568. phaseoli, 310. Phenacoccus, 349, 352. Philaenus, 211, 224. Philaronia, 211, 228. Phlegyas, 720. Phlepsius, 90, 125. phocae, 23. Phorodon, 255, 303, 304. Phthirius, 18, 10: Phthirpedicinus, 18, 10. Phylinae, 427, 428. Phylini, 428, 429. Phyllaphidina, 273, 287. Phyllaphis, 254, 287. Phyllodinus, 45, 50. phyllopus, 747. Phylloscelis, 27, 28. Phylloxera, 253, 330. Phylloxeridae, 253. Phymata, 6092. Phymatidae, 384, 602. Phymatinae, 692. Physatocheila, 698, 705. Physokermes, 355, 360. Phytocoris, 560, 615 piceae, 360. piceicola, 463, A460. piceus (Hyper 710: (Megamelus), 48. picipes, 682. picta; 30, 31. pictifrons, 35. picturata, 730. pictus (Deltocephalus), 104, 108. (Trepobates), 663. [ Bull. No. 34. | Piesma, 694. Piesmidae, 384, 694. pilferus, 21. Pilophorini, 497, 537. Pilophorus, 537, 538. pilosellus, ; pilosulus (Alydus), 750. (Antillocoris), 732. pilosus, 525, 520. Pindus, 686, 687. pineti, 260. pini (Cixius), 33, 34. (Dilachnus), 260, 261. (Essigella), 271. pinicola (Deraeocoris), 492, 493. (Dilachnus), 260, 262. (Phytocoris), 641, 642. (Schizoneura), 328. pinicorticis, 320, 330. pinifoliae (Chermes), 329, 330. (Chionaspis), 362, 365. var. heterophyllae, 362, 365. pinivora, 260, 267. Pinnaspis, 361, 370. Piratinae, 677, 682. piricola, 368. Ppisi, 306, 309. Pissonotus, 45, 48. Pithanus, 540. placidus (Podisus), 774, 775. (Thamnotettix), 134, 138. plagiatus, 573, 578. plagifer, 567, 568. Plagiognathus, 420, 431. platanoides, 286. platycnemis, 407. Platylygus, 560, 572. Platymetopius, 90, 100. Platytylellus, 550, 551. Plea, 408. plebejus, 725. Pleinae, 404, 407. plenus, 728. plexa, 705. Ploiaria, 690. Ploiariola, 690. plumbea, 418. plumosus, 339. Pnirontis, 678. Podisus, 770, 774. Podopini, 755. Podops, 755. Poecilocapsus, 561, 607. poecilus, 485. politus (Euschistus), 762. (Plagiognathus), 431, 434. var. flaveolus, 431, 434. pallidicornis, 433, 435. Polymerus, 561, 508. HEMIPTERA OF CONNECTICUT: INDEX. Sol Polyplax, 19, 21. pomi, 292, 295. populi, 321. populi-caulis, 327. populicola, 283. populi-conduplifolius, 324, 325. populifoliae, 2809. populi-globuli, 327. populi-monilis, 325. populi-transversus, 326, 327. populi-venae, 327. porosus, 302, 303. porphyrea, 182. potoria, 143, 145. praeusta, 390. pratensis, 573. var. oblineatus, 573, 575. rubidus, 574, 577. rubrosignatus, 574, 576. strigulatus, 573, 576. proboscideus, 741, 743. Prociphilus, 320, 321. productus, 96, 98. Prokelisia, 45, 47. propinquus, 672, 673. Prostemminae, 671. Protenor, 740. protensa, 401, 402. proteus (Clastoptera), 231, 234. var. pini, 234. Saint-cyri, 234. vittata, 234. (Parlatoria), 380, 381. provancheri (Diaphnidia), 522. (Idiocerus), 62, 65. proximus, 598, 601. pruinosa, 30. pruinosum, 358, 350. prunastri, 358. pruni (Corythucha), 700, 7o1. (Oncopsis), 70, 72. (Phorodon), 304. prunifoliae, 209, 300. Psallus, 420, 462. Pselliopus, 686. Pseudaonidia, 382. pseudoavenae, 292, 205. pseudobrassicae, 292, 295. pseudobyrsa, 321. Pseudocnemodus, 724, 720. Pseudococcus, 349, 353. pseudocoryli, 305, 300. pseudodirhodum, 305, 300. pseudorosae, 306, 300. Pseudoxenetus, 537. Psylla, 244, 247. Psyllidae, 23, 243. Psyllopsis, 244, 250. ptericolens, 305, 300. 802 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. pteridis, 311. Pterocomma, 288, 289. Pterocommina, 254, 273, 288. Ptochiomera, 724, 728. pubescens (Kermes), 350, 351. (Neoborus), 562, 500. (Ophiderma), 202, 203. pubis, 19. Publilia, 172, 206. puella (Liburnia), 52, 53. (Phytocoris), 644, 645, 653- pugnax, 761. pulicaria, 778. pulicarius (Chlamydatus), 430. (Xestocephalus), 87. Pulvinaria, 355. pumila, 30, 31. pumilus, 525, 531. punctata, 145. punctatellus, 280. punctatipes, 433, 450. var. dispar, 433, 451. punctatipes, 433, 450. punctatus, 257- punctifrons, 143. var. repleta, 143. punctipes, 598, 602. purchasi, 382. purpurascens, 306, 309. pusillus (Amnestus ), 780. (Phlepsius), 126, 129. Pycnoderes, 479. Pygolampis, 678, 679. pyricola (Eriosoma), 312, 314- (Psylla), 248. pyrioides, 704. Pyrrhocoridae, 384. quadrangularis, 221. quadridentata, 401. quadrilineatus, 741, 742. quadrinotata, 212, 213. quadri-punctata, 59, 60. quadripustulata, 757. quercalbae, 581, 591. querci (Anoecia), 258, 259. (Atymna), 199. (Empoa), 157. var. gillettei, 157. (Telamona), 187, 190. quercicola (Deraeocoris), 487, 401. var. pallens, 487, 491. (Phytocoris), 644, 645. quercifex, 357, 359. quercifoliae, 287. quercus, 351, 352. quinquelineatus, 32. quinquespinosus, 750. [ Bull. radicicola, 319. raleighi, 404, 405. ramosa, 83. ramosus, 127, 131. Ranatra, 399, 400. rapidus, 610. Rasahus, 682, 684. reclivata, 187, 190. Reduviidae, 384, 677. Reduviinae, 677, 680. Reduvius, 680, 681. reflexulus, 751. regalis, 537. relativus, 118, 120. -remigis, 660. reperta, 413, 414. repetita, 749. repetitus, 431, 453. repletus, 433, 449. var.apicatus, 433, 4 Resthenini, 550. bist reuteri, 500. Reuteria, 509, 523. Reuteroscopus, 429, 462. Rhacognathus, 770, 772. Rhagovelia, 416, 417. Rheumatobates, 662, 663. Rhiginia, 684. Rhinocapsus, 429, 459. rhododendri, 703. - rhois (Amphorophora), 301, 302. (Melaphis), 317. Rhopalosiphum, 255, 299, 300. Rhyparochrominae, 711, 722. Rhyparochromini, 722, 730. Rhytidolomia, 759, 760. ribis, 302, 304. Ricaniinae, 20. rileyi, 663. rileyii, 313, 314. rimosa, 242. robertsoni, 36. robiniae, 505. robustus (Aradus), 741, 742. (Geotomus), 780. Rocconota, 686, 688. rosacea, 509, 570. rosae (Aulacaspis), 369. (Empoa), 157, 158. (Macrosiphum), 305, 309. (Nippolachnus), 258. rosarum, 302, 304. roseipennis, 673, 674. roseus, 291, 208. rosicola, 432, 446. rostratus, 470. rubellicollis, 552, 555- var. confluens, 552, 556. rubellicollis, 552. No. 34. | vittiscutis, 552, 550. ruber, 406. var. bicolor, 496. concolor, 496. danicus, 496. segusinus, 496, 497. rubi, 310. rubicola, 310. rubicundus, 573, 575. rubidus, 470, 471. var. atricolor, 470, 472. rubiphila, 292, 205. rubricans, 450. rubropictus, 616, 619. rubrovittatus, 551, 552. rudbeckiae, 306, 300. ruficornis, 548, 549. rufomaculata, 292, 206. rufoscutellatus, 662. rufusculus (Nabis), 673, 674. (Neoborus), 562, 564. rugosa, 81, 83. rumexicolens, 291, 200. rumicis, 292, 206. sacculi, 321. Saicinae, 677. Saissetia, 355, 350. salamandra, 202, 203. Salda, 409, 412. Saldidae, 384, 408. Saldula, 400, 412. saliceti, 291, 206. salicicola (Aphis), 292, 206. (Eustictus), 481, 482. saliciradicis, 288. salicis (Lopidea), 504. (Melanoxantherium), 289. (Phytocoris), 632, 639. salicis-nigrae, 362, 365. saliens, 460. saltatoria, 413, 415. Saltusaphidina, 254, 273, 280. Saltusaphis, 2809. sanborni (Aphis), 292, 206. (Macrosiphum), 306, 300. sandersi, 104, 107. sanguinareus, 571. sanguinolenta, 59, 61. sanguisuga, 682. saratogensis, 212, 218. Sassceri, 350, 351. saucia, 760. sayi (Anotia), 42. (Deltocephalus), 105, 108. (Deraeocoris), 495, 406. var. costalis, 495, 496. femoralis, 495. frontalis, 495. HEMIPTERA OF CONNECTICUT: INDEX. marginatus, 495. unicolor, 495. scabra, 387, 390. scalaris (Heliria), 186. (Scaphoideus), 95, 97. Scale, azalea bark, 351. black 359. cactus, 368. camphor, 382. chaff, 380. cherry, 373. circular, 376. cottony maple, 356. elm, 349. English walnut, 374. euonymus, 363. European fruit, 374. false maple, 352. fig, 376. fluted, 382. frosted, 359. globular, 358. Glover’s, 378. grape, 375. hemispherical, 359. hemlock, 372. Italian pear, 368. juniper, 307. Morgan’s, 377. oak Lecanium, 359. oleander, 373. olive, 360. orange-red, 377. oyster-shell, 379. pear tree oyster, 374. pernicious, 375. pine leaf, 365. pitted oak, 349. purple, 378. Putnam’s, 372. rose, 360. San José, 375. scurfy, 364. soft, 356. spruce, 360. terrapin, 358. thread, 379. tulip-tree, 357. West Indian peach, 369. white, 373. white elm, 362. woolly maple leaf, 352. Scaphoideus, 90, 95. scarlatina, 82, 83. var. pectoralis, 82, 84. scarlatina, 83. schellenbergii, 43, 44. Schizolachnus, 257, 260. Schizoneura, 314, 328. 803 804 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [ Bull. Schumannia, 678, 680. Sciocorini, 755. Sciocoris, 756. Sciodopterus, 412. Scipio, 19. sciuropteri, 22. scolopax, 714. Scolopostethus, 734, 735. Scolops, 27. scrupeus, 610, 612. var. ardens, 611, 612. bicolor, 612. bidens, 612. compar, O11. cunealis, 612. delta, 611, 612. diops, O61T. lucidus, 612. nubilus, 612. par, 612. percursus, 611. rubidus, 611. scrupeus, 611, 612. sordidus, 612. triops, OII. varius, 612. sculptus, 193, 197. scurra, 62, 65. scutellatus, 537. Scutelleridae, 385, 781. sedi, 292, 206. Sehirini, 779, 781. Sehirus, 781. semicrema, 180. Semiini, 497, 408. seminudus, 123, 124. Semium, 408. semivittata, 759. semivittatus, 582, 502. senilis, 760. separata, 413, 414. separatus, 478. septendecim, 241. var. cassinil, 242. septentrionalis, 30. seriata, 387, 390. sericea, 679. Sericophanes, 545. sericus, 525, 530. seriventris, 774, 775. serotinae, 299, 300. serripes, 724. serus, 512, 522. setariae, 290, 207. setigera, 47. setosus, 525, 535. Seventeen-year locust, 241. sexguttatus, 474. sexnotata, 143, 144. shermani, 741, 743. signoreti, 212, 210. signoretii (Otiocerus), 43, 45. (Pentacora), 410. similis (Aradus), 741, 743. (Chermes), 329, 330. simplex (Aneurus), 7309. (Aphelonema), 37. (Deltocephalus), 106, 115. (Neuroctenus), 740, (Thionia), 37, 38. simplicipes, 690. Sinea, 686, 680. _ Singers, 238. sinuata, 187, IOI. Sipha, 254, 281, 285. Siphocoryne, 255,.209, 301. Siphonophora, 307. Sirthenea, 682, 684. Sixeonotus, 470. slossoni (Cicadula), 143, 145. (Eutettix), 123, 124. smaragdula, I5I, 152. Smilhia: 172 7102, Smiliinae, 171. smithiae, 288, 280. smithi, 134, 137. snowi, 62, 66. sobrius, 70, 71. solani, 704. solanifolii, 305, 300. Solenoptes, 10. solidaginis, 127, 131. Solubea, 759, 761. sonchi, 300. sordida (Banasa), 768. (Macropsis), 67, 69. sordidipennis, 35. sordidus, 672, 673. sorghiellus, 354. var. kingii, 354. southwicki, 123. Spangbergiella, 89, 93. Spanioneura, 244, 247. spartini, 47. spatulatus, 139. sphacelata, 410, 412. Sphragisticus, 732. spicatus, 632, 638. spinifrons, 780. spinipes, 689. spinosus (Hamamelistes), 328. (Jalysus), 738. spinulosa (Fitchia), 688. (Polyplax), 21. spiraecola (Aphis), 292, 207. (Nectarosiphon), 310. spiraephila, 291, 207. spissipes, 684, 685. No. 34.] HEMIPTERA OF CONNECTICUT: INDEX. Spittle insects, 206. spumarius, 225. var. fasciatus, 225. lateralis, 226. leucocephalus, 226. leucopthalmus, 226. lineatus, 226. marginellus, 226. pallidus, 226. ustulatus, 225. spurcus, 28. spuria, 340. squamosa, 318. Stachyocnemus, 750, 751. stagnalis, 417. stalii, 502. staphyleae, 507. var. sanguinea, 507. Stenocranus, 45, 46. Stenodema, 546, 540. Stenopoda, 678, 680. Stenopodinae, 677, 678. stenopsis, 21. Stenotus, 560, 614. Stephanitis, 698, 703. stevensis, 283. Stictocephala, 172, 170. Stiretrus, 770, 771. Stobaera, 45, 51. stollii, 43, 44. striata, 248, 240. Striatulus, 118, 122. striatus, 106, 113. strigipes, 773. striola, 408. striolus, 118, 1109. strobi (Dilachnus), 260, 266. (Enutettix), 123, 125. strobilobius, 320, 330. strobicola, 462, 467. Stroggylocephalus, 85. Strongylocoris, 498, 500. stupida, 182, 183. stygica, 500. suavis, 430. subcoleoptratus, 672, 673. subfalcata, 186, 187. submarginatus, 512, 518. suffuscipennis, 432, 454. suis, 20. sulcatus, 617, 626. sulcipes, 27, 28. sulphureus, 462. superbus, 87. suspectus, 597. suturalis (Enderleinellus), 22. (Idiocerus), 61, 66. var. lunaris, 66. (Macropsis), 67, 68. sylvestris (Deltocephalus), 106, 115. (Ligyrocoris), 725, 720. symphoricarpae, 118, 121. symphoricarpi, 291, 207. Symydobius, 254, 274, 280. Systelloderes, 694. Systellonotini, 497, 545. Tamelia, 254, 287. tanaceti, 306, 310. taraxaci, 306, 310. tarsalis, 548. tartarea, 180. taurina, 175, 177. Telamona, 172, 186. Teleorhinus, 474, 476. Teloleuca, 410. tenebrosus, 479. tenerrima, 157, 158. tenuicornis, 480. tenuipes, 663. tephrosicola, 476. Teratocoris, 546, 547. tergatus, 130, 140. Termatophylidae, 385, 665. terminalis, 747. tessellata, 322, 323, tessellatus, 356. testaceum, 308, 390. Tetraleurodes, 335, 337. Tetraneura, 315. Tetraneurini, 311, 315. Tetraphleps, 667. Tetyrinae, 782. Thamnotettix, 90, 133. Thecabius, 320, 324. Thelia, 172, 183. Therioaphis, 274, 281. Thionia, 37. Thomasia, 283. thompsonii, 698, 6090. thomsoni, 735, 736. Thripsaphis, 289, 290. Thyanta, 750, 766. thymi, 714, 715. Thyreocorinae, 777: tibialis, 645, 649. Tibicen, 239. Tibicina, 239, 241. tiliae (Gargaphia), 704. (Lygus), 580, 582, 587. (Therioaphis), 281. tinctipes, 598, 600. Tingidae, 384, 605. Tingini, 696. Tollius, 750, 751. Toumeyella, 355, 350. Toxoptera, 254, 302. Trama, 254, 250. 806 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. tremulae, 321. Trepobates, 662, 663. Trialeurodes, 335, 339. Triatoma, 680, 682. tricarinata, 51. trichechi, 23. Trichopepla, 758, 750. tricincta, 159, 160. tricolor, 562, 567. tricornis, 699. var. americana, 690. trifasciata (Empoasca), 151, 152. (Erythroneura), 159, 160. Trifidaphis, 318, 310. Trifidini, 311, 318. trifolii (Callipterus), 281. (Pseudococcus), 354. Trigonotylus, 546, 548. trilineata, 387, 380. trimaculata, 67, 60. trinotatus, 350, 351. Trioza, 244, 245. Triphleps, 667, 668. tripunctata (Kolla), 76, 77. (Trioza), 245. tripunctatus, 713. trispinosum, 5490. tristigmus, 762, 763. tristis (Anasa), 740. (Bruchomorpha), 36, 37. (Telamona), 187, 180. Tropidosteptes, 560, 561. Tropiduchinae, 26. truncatus, 126, 120. tsugae, 455, 450. tuberculata (Aphis), 291, 297. (Paracoelidea), 142. (Ploiariola), 690. tuberculatus, 617, 628. tuberculifer, 742, 744. Tuberolachnus, 256, 257. tuberosus, 193, I95. tulipae, 291, 208. tullahomi, 126, 130. Tullgrenia, 318, 31 9. tumidifrons (Microphylellus), 455. (Neocoelidia), 142. (Oncopsis), 70. tunicarubra, 159, 160. turcicus, 713. Typhlocyba, 147, 155. Typhlocybini, 58, 85, 147. uhleri (Amalopota), 41. (Barce), 690, 602. (Cenchrea), 41. (Chlorochroa), 760. (Euscelis), 118, 121. (Lethocerus), 397. [ Bull. (Notonecta), 405. (Pilophorus), 538, 541. (Trigonotylus), 548, 540. uliginosus, 7109. var. lateralis, 720. limbatus, 720. speculator, 720. uliginosus, 720. ulmi (Aspidiotus), 371, 375. (Corythucha), 700, 702. _(Empoa), 157, 158. (Eriosoma), 312, 314. (Lepidosaphes), 378, 379. (Phytocoris), 616, 620. ulmicola, 316. ulmifolii, 280. ulmifusus, 317. ulmisacculi, 315. umbrosus, 733. undata (Nottiglossa), 765. (Oncometopia), 74. undulata, 404, 405. inuroneape ee 745. unica, I51, unicolor (Chicrotettix), 139. (Empoasca), 152. (Gypona), 83. (Scaphoideus), 95, 96. (Telamona), 187, 1 unifasciatus, 5098. var. lateralis, 601. uniformis (Aradus), 742, 744. (Phytocoris), 641, 643 (Tetraphleps), 668. Unilachnus, 257, 260. univittatus (Glossonotus), (Lygus), 582, 501. unus, 734. uvae, 371, 375. vaccini, 498. vaccinil, 118, 122. vagabundus, 325. Vanduzea, 172, 204. vanduzeei (Liburnia), 53, 55: (Lygus), 574, 577. var. rubroclarus, 574, 577. vanduzeei, 574. (Pilophorus), 538, 540. vanduzei (Cyclokara), 41. (Typhlocyba), 155, 156. _ vanduzeti, 459. vaporariorum, 340, 342. variabilis (Microparsus), 311. (Notonecta), 404, 405. (Oncopsis), 70. varians, 291, 297. variata, 143. No. 34.] variegata (Epiptera), 209, 30. Physatocheila), 705. variolarius, 762, 763. variolosum, 349. varus, 118, 120. vastatrix, 331. vau, 193, 190. veaziei, 245. Velia, 416, 417. Veliidae, 383, 416. venaefuscae, 305. venafuscus, 322, 323. venaticus, 598, 604. venatorius, 481, 483. ventralis, 684, 685. ventricosus, 22. venusta, 246, 247. venustus (Phytocoris), 645, 651. (Polymerus), 508, 605. verbasci, 430. vernalis, 244. vernoniae, 207. verticalis, 390. verticis, 62, 66. viburni (Lygidea), 560. (Lygus), 581, 585. viburnicola, 291, 297. viburniphila, 291, 297. vicarius (Emblethis), 733. (Oeciacus), 670. vicina, 693. vicinum, 549. vicinus, 525, 520. viminalis, 283. vinnulus, 105, I10. violae, 302, 304. virescens var. graminea, 67. viridescens, 152, 154. viridicans, 597. viridis (Macropsis), 67, 68. (Orthotylus), 512, 510. (Parabolocratus), 93. (Xerophloea), 84. viridius, 139, 140. HEMIPTERA OF CONNECTICUT: INDEX. vitellina, 94. vitifoliae, 330, 331. Vitis, 355, 350. vitripennis, 478. vittatus, 617, 627. vitticollis, 582, 580. vittipennis, 51. vittiscutis, 562, 566. vituli, 20. vulgaris, 40. 807 vulnerata (Erythroneura), 160, 162. var. nigra, 160, 163. (Spangbergiella), 93. waldeni (Kermes), 350, 351. (Liburnia), 209. (Psallus), 463, 468. (Trialeurodes), 340, 343. walshi, 538. Water-striders, 658. weedi, 105, 100. westwoodi, 42. wolfii, 43, 44. xanthocephala, 231, 235. var. glauca, 235. xanthochila, 412, 414. Xantholobus, 172, 201. Xenoborus, 560, 567. Xerophloea, 80, 84. Xestocephalus, 85, 87. Xestocoris, 734, 730. Xylocoris, 666. xylostei (Prociphilus), 322, 323. (Siphocoryne), 200, 301. yuccae, 297. zamiae, 366, 368. Zelinae, 677, 685. Zelus, 685, 687. Zeridoneus, 723, 727. Zicrotia, 770, 776: zizyphi, 380, 381. RAS Se Ole PLATE. 1. PARASITIC” Pediculus capstis DeGeer,—head louse of man, x 16. Pediculus corporis DeGeer,—cootie, or body louse of man, x. 12, Linognathus pusferus Burmeister,—dog louse, x 21. 3. Linognathus vituls Linnaeus,—long-nosed ox louse, x 18. 4. Linognathus vstuls Linnaeus,—eggs, x II. 3.. Haematopinus eurysternus Nitzsch,—short-nosed ox louse, x. 14 Haematopinus suss Linnaeus,—hog louse, x 9. 2. Phthirus pubis Linnaeus,—crab louse of man, x 16. 7. Photographs, 8 by H. A. Doty; others by B. H. Walden. PLATE 1, PLA, ee; —S tere eevee = ae el NNO Rae gd “fi a | 2 a < Ttoe ee ee SAAS AA SSS SS TA, eae ee ee PLATE iL.” CIcapeLeipar, Kolla tripunctata Fitch. Kolla bifida Say. Platymetopius acutus Say. Eutettix cinctus Osborn and Ball. Eutettix seminudus Say. Phlepsius fulvidorsum Fitch. Scaphoideus lobatus Van Duzee. Phlepswms atropunctatus DeLong. Thamnotettix collaris Ball. All greatly enlarged. Photographs by J. G. Sanders and D. M. DeLong. or a PLATE HIM GQicsperimas: Deltocephalus areolatus Ball. Deltocephalus sayt Fitch. Deltocephalus obtectus Osborn and Ball. Deltocephalus configuratus Uhler. Deltocephalus striatus Linnaeus. Deltocephalus sylvestris Osborn and Ball. Scaphoideus sanctus Say. Mesamia nigridorsum Ball. Euscelis curtisu Fitch. All greatly enlarged. Photographs by J. G. Sanders and D. M. DeLong. alleen steel Ml Hig PLA Iv Be Pe OR ear PLATE IV. FutcoripAr, MEMBRACIDAE, CERCOPIDAE. Scolops sulcipes Say. Oliarus humilis Say. Acanalonia bivittata Say. Ormenis pruinosa Say. Phylloscelis atra Germar. Orments septentrionalis Spinola. Ceresa taurina Fitch. Ceresa bubalus Fabricius. Ceresa diceros Say. Stictocephala lutea Walker. Micrutalis calva Say. Carynota mera Say. Glossonotus acuminatus Fabricius. Thelia bimaculata Fabricius,—female. Thelia bimaculata Fabricius,—male, front. Thelia bimaculata Fabricius,—male, lateral view. Telamona maculata Van Duzee. Telamona quercs Fitch. Telamona unicolor Fitch,—female. Telamona unicolor Fitch,—male. Smilia camelus Fabricius. Cyrtolobus vau Say. Atymna castaneae Fitch. Entylia carinata Forster (bactriana Germar). Enchenopa binotata Say. Monecphora bicincta var. ignipecta Fitch. A phrophora parallela Say. Aphrophora saratogensis Fitch. Philaenus lineatus Linnaeus. Clastoptera proteus Fitch. Lepyronia quadrangularis Say. All twice natural size. Photographs by B. H. Walden. ~ Shan PLATE V..° CicaAmipxg, Tibicina septendecim Linnaeus,—periodical cicada or seventeen year locust, adult and pupa skin. Tibicina septendecim Linnaeus. Tibicen lyricen DeGeer. Tibicen linnet Smith and Grossbeck. Tibicen cantcularis Harris. Tibicen chloromera Walker,—male, underside. Tibicen auletes Germar,—pupa skin. Tibicen auletes Germar. All natural size. Photographs by B. H. Walden. PLATE. Vv. PEAS ees . . wey * os ae, nee < he ae PATE VI. « PS¥LLIDAE. Livia maculipenms Fitch, x 12. Psylla pyricola Foerster,—pear psylla, x 12. Livia vernalis Fitch, x 12. Pachypsylla celtidis-mamma Ruiley,—galls on hackberry leaf, > San Pachypsylla celtidis-gemma Riley,—galls on hackberry twig, >a Calophya flavida Schwarz,—pupae on stem of Rhus glabra, — a 1. Psyllopsis fraxinicola Foerster, x I. Photographs 6 and 7 by W. E. Britton; others by B. H. Walden. oa ee eters PLATE VII. APpHtpImDAE. Longistigma (Lachnus) caryae Harris,—apterous form, x I. Aphis poms DeGeer,—green apple aphid, x 2. Aphis pseudobrassicae Davis,—turnip aphid, x I. Anuraphis tulipae Boyer, x I. Brevicoryne brassicae Linnaeus,—cabbage aphid, x 1. Amphorophora rhots Monell, x I. Photographs by B. H. Walden. PE GE Ve PAE WE Pe ae BEATE VIL. Apeipipan; Macrosiphum rudbeckiae Fitch, x 1. Macrosiphum solanifolis Ashmead,—potato aphid, x 1. Eriosoma lanigerum Hausman,—woolly apple aphid, x I. Prociphilus tessellata Fitch, x 1. Chermes pintcorticis Fitch,—pine bark aphid, x 1. Chermes strobilobius Kaltenbach,—woolly larch aphid, x 1. Photographs by B. H. Walden. Ce I Pees an oe PLATE IX. ApHIpDIDAE Saltusaphis americanus Baker. Thripsaplis ball: Gillette. Saltusaphis elongatus Baker. Saltusaphis flabellus Sanborn. Saltusaphis scirpus Theobald. Saltusaphis virgimicus Baker. All greatly enlarged. (From Canadian Entomologist. ) Photographs by Dr. A. C. Baker. PEATE AX. Pb Aan oe PLATE X. APpuHIDIDAE. 1. Tamelia coweni Cockerell,—blackberry gall aphid, showing galls formed on the leaves of bearberry. Normal leaf at left. 2. Tamelia quercifoliae Gillette——woolly oak aphid, showing appearance on oak leaf. 3. Phyllaphis fagi Linnaeus,—woolly beech aphid, showing colo- nies on leaf of copper beech. All natural size. Photographed by Dr. A. C. Baker. Oe oe er PUATE XI, .Aperm GALES, Mordwilkoja vagabundus Walsh,—vagabond poplar gall, x 1. Pemphigus populicaulis Fitch, x I. Hamamelistes spinosus Shimer, x I. Hormaphis hamamelidis Fitch, x 1. Phylloxera caryaecaulis Fitch,—hickory aphid gall, x 1. Chermes cooleyt Gillette, x 1. Chermes abietis Linnaeus,—spruce aphid gall, x 1. Photographs by B. H. Walden. PU EE: PEALE Sat. PLATE XII. ALEYRODIDAE. Trialeurodes coryli Britton,—larvae, x 1. Trialeurodes morrills Britton,—larvae, x I. Aleuroplatus plumosus Quaintance,—larvae and pupae, x Io. Aleyrodes asarumis Shimer,—larvae, pupae and adults, x 4. Trialeurodes vaporariorum Westwood,—greenhouse white fly, larvae and pupae, x 4. Trialeurodes vaporariorum Westwood,—pupae and adults, x 4. Photographs: 1 and 2 by W. E. Britton; 3 and 4 by B. H. Walden; 5 and 6 by H. A. Doty. PLATE XIII. -Coccmpar, Scare Inseers Orthezia insigms Douglas,—greenhouse orthezia, x 2.5. Asterolecanium variolosum Ratzeburg,—pit-making oak scale, ere Gossyparia spuria Modeer,—elm scale, x I. Kermes sasscert King, x 2. Phenacoccus acericola King,—woolly maple leaf scale, males on bark, x 1; Phenacoccus acericola King,—females, x I. Pseudococcus citri Risso,—common mealy bug, x I. Lecanium corns Bouché,—European fruit lecanium, x I. Pulvinaria vitis Linnaeus,—cottony maple scale, x I. Photographs: 3 and 5 by W. E. Britton; others by B. H. Walden. PLATE. XT. PLATE XIV. Nr ice ord PEATE XIV; CoccipaAr, SCALE INSECTS. Lecanium nmigrofasciatum Pergande,—terrapin scale, x I. Toumeyella liriodendrs Gmelin,—tulip tree scale, x I. Saissetia hemisphaerica Targioni-Tozzettii—hemispherical scale, x I. Chionaspis furfura Fitch,—scurfy scale, x I. Chionaspis pintfoliae Fitch,—pine leaf scale, x 2. Chionaspis euonymt Comstock,—euonymus scale, x I. Chionaspis cornt Cooley, x I. Pe ecachis rosae Bouché,—rose scale, x 2. Aulacaspis pentagona Targioni-Tozzettii—West Indian peach scale, x 2. Photographs: 2 by H. A. Doty; others by B. H. Walden. eee PLATE XV; . Coccipan, Scare, INSEeRe: Diaspis echinocacts Bouché ey cactt Comstock, x I. Hemuichionaspis aspidistrae Signoret, x about 3. Leucaspis japonica Cockerell, x 1. Aspidiotus perniciosus Comstock,—San José scale, x I. Aspidiotus hederae Vallot,—white or oleander scale, x 2. Chrysomphalus aonidum Linnaeus,—circular or fig scale, x I. Lepidosaphes newsteadi Sulc, x 4. Lepidosaphes ulmi Linnaeus,—oyster-shell scale, x I. Ischnaspis longirostris Signoret,—thread scale, x 2. Photographs by B. H. Walden. Pa ae ov: Pi AT eye ba send la A pa le Porte V1: Nepa apiculata Uhler. Arctocorixa wnterrupta Say. Pelocoris femoratus Palisot de Beauvois. Lethocerus americanus Leidy. Notonecta variabilis Fieber. Belostoma flumineum Say. Notonecta irrorata Uhler. Notonecta insulata Kirby. Gerris conformis Uhler. Gerris rufoscutellatus Latreille. Gerris marginatus Say. Gerris remigis Say. Pseudoxenetus scutellatus Uhler. Lopidea robimae Uhler. Lygus pratensis Linnaeus var. oblineatus Say,—tarnished plant bug. Lygidea mendax Reuter. Coccobaphes sanguinareus Uhler. Poeciocapsus lineatus Fabricius,—four-lined leaf bug. Horctias dislocatus Say. Stenotus binotatus Fabricius. Adelphocoris rapidus Say. Stenodema trispinosum Reuter. Miris dolabratus Linnaeus. Phlegyas abbreviatus Uhler. Nysius ericae Schilling. Eremocoris ferus Say. Oedancala dorsalis Say. Cnemodus mavortius Say. Myodocha serripes Olivier. Lygaeus kalmu Stal. Emblethis vicarius Horvath. Cimex leciularius Linnaeus. Nabis ferus Linnaeus. Phymata erosa Linnaeus. Sinea diadema Fabricius. Reduvius personatus Linnaeus. Melanolestes abdominalis Herrich-Schaeffer. Zelus exsanguis Stal. Pselliopus cinctus Fabricius. Fitchia aptera Stal. Acholla multispinosa DeGeer. All natural size. Photographs by B. H. Walden. See ee PLATE XVII. REbDUVIIDAE AND TINGIDAE. Emesa brevipennis Say, x I. Piesma cinera Say, x 8. Melanorhopala clavata Stal, x 8. Physatocheila, x 8. Gelchossa heidemanns Osborn and Drake, x 8. Corythucha marmorata Uhler, x 8. | Gargaphia angulata Heidemann, x 8. Stephanitis pyrioides Scott, x 8. Photographs by B. H. Walden. PEAT Hs XVI. PLATE: XVII: = 2 Se eer PEATE, XVIII. Homaemus aenetfrons Say. Galgupha atra Amyot and Serville. Amnestus spinifrons Say. Sehirus cinctus Palisot de Beauvois. Eurygaster alternata Say. Brochymena quadripustulata Fabricius. Brochymena arborea Say. Peribalus limbolarius Say. Rhytidolomia saucia Say. Rhytidolomia senilis Say. Chlorochroa uhlers Stal. Mormidea lugens Fabricius. Euschistus variolarus Palisot de Beauvois. Euschistus euschistoides Vollenhoven. Coenus delius Say. Menecles insertus Say. Acrosternum hilare Say. Cosmopepla bimaculata Thomas. Banasa dimidiata Say. Meadorus lateralis Say. Elasmostethus cruciatus Say. Perillus circumcinctus Stal. A pateticus cynicus Say. Perillus exaptus Say. Podisus placidus Uhler. Podisus modestus Dallas. Podisus maculiventris Say—dorsal view. Podisus maculiventris Say,—lateral view. Corizus lateralis Say. Harmostes reflexulus Stal. Euthochtha galeator Fabricius. Megalotomus quinquespinosus Say. Acanthocephala terminalis Dallas. Anasa repetita Heidemann. Anasa tristis DeGeer,—squash bug. Merocoris distinctus Dallas. Protenor belfrage: Haglund. Alydus pilosulus Herrich-Schaeffer. Alydus eurinus Say. Aradus quadrilineatus Say. All natural size. Photographs by B. H. Walden. IO. PLATE XIX. Hemiprerous® Hees: Eggs of Acholla multispinosa DeGeer, on apple, x 2. Eeg scars of Tibicina septendecim Linnaeus, x I. Eggs of the squash bug, Anasa tristis DeGeer, on squash leaf, baie Os Belostoma lutarium Stal,—eggs on back of male, x I. Ceresa bubalus Fabricius,—egg scars in apple twigs, x I. Eggs of Lethocerus sp., x I. Eggs of Podisus sp., x I. Eggs of oyster-shell scale, Lepidosaphes ulmi Linnaeus, under shell of female, x 6. Eggs of green apple aphis, Aphis poms DeGeer, on apple twig, X 2. Eggs of Dilachnus strobi Fitch, on white pine, x 1. Photographs by B. H. Walden. PLATE KI PLS eee PLATE XX. Injury CAusEeD By HEMIPTERA. Work of leafhoppers on currant leaf. Potato leaf injured by Poecilocapsus lineatus Fabricius. Injury to pears by Lygus pratensis Linnaeus. Podisus placidus Uhler feeding on currant worm, x 2. Apple leaves curled by the light red bug, Lygidea mendax Reuter. Froth mass of Aphrophora parallela Say. All others natural size. Photographs by B. H. Walden. BULLETINS OF THE State Geological and Natural History Survey of Connecticut | 1. First Biennial Report of the Commissioners of the State Geological and Natural History Survey, 1903-1904. 2. A Preliminary Report on the Protozoa of the Fresh Waters of Connecticut: by Herbert William Conn. (Out of print. To be obtained only in Vol. 1, containing Bulletins 1-5. Price $1.50, postpaid. ) . A Preliminary Report on the Hymeniales of Connecticut: by Edward Albert White. 4. The Clays and Clay Industries of Connecticut: by Gerald Francis Loughlin. The Ustilaginez, or Smuts, of Connecticut: by George Perkins Clinton. 6. Manual of the Geology of Connecticut: by William North intee and Herbert Ernest Gregory. (Out of print. To be obtained only in Vol. II, containing Bulletins 6-12. Price $2.45, postpaid. ) 7. Preliminary Geological Map of Connecticut: by Herbert Ernest Gregory and Henry Hollister Robinson. 8. Bibliography of Connecticut Geology: by Herbert Ernest Gregory. g. Second Biennial Report of the Commissioners of the State Geological and Natural History Survey, 1905-1906. 10. A Preliminary Report on the Algz of the Fresh Waters of Connecticut: by Herbert William Conn and Lucia Washburn (Hazen) Webster. 11. The Bryophytes of Connecticut: by Alexander William Evans and George Elwood Nichols. 12. Third Biennial Report of the Commissioners of the State Geological and Natural History Survey, 1907-1908. 13. The Lithology of Connecticut: by Joseph Barrell and Gerald Francis Loughlin. 14. Catalogue of the Flowering Plants and Ferns of Con- necticut growing without cultivation: by a committee of the Con- necticut Botanical Society. 15. Second Report on the Hymeniales of Connecticut: by Edward Albert White. 16. Guide to the Insects of Connecticut: prepared under the direction of Wilton Everett Britton. Part I. General Introduc- tion: by Wilton Everett Britton. Part II. The Euplexoptera and Orthoptera of Connecticut: by Benjamin Hovey Walden. 17. Fourth Biennial Report of the Commissioners of the State Geological and Natural History Survey, 1909-10. 18. Triassic Fishes of Connecticut: by Charles Rochester Eastman. 19. Echinoderms of Connecticut: by Wesley Roscoe Coe. 20. The Birds of Connecticut: by John Hall Sage and Louis Bennett Bishop, assisted by Walter Parks Bliss. 21. Fifth Biennial Report of the Commissioners of the State Geological and Natural History Survey, 1911-1912. 22. Guide to the Insects of Connecticut: prepared under the direction of Wilton Everett Britton. Part III. The Hymen- optera, or Wasp-like Insects, of Connecticut: by Henry Lorenz Viereck, with the collaboration of Alexander Dyer MacGillivray, Charles Thomas Brues, William Morton Wheeler, and Sievert Allen Rohwer. 23. Central Connecticut in the Geologic Past: by Joseph Barrell. 24. Triassic Life of the Connecticut Valley: by Richard Swann Lull. 25. Sixth Biennial Report of the Commissioners of the State Geological and Natural History Survey, 1913-1914. 26. The Arthrostraca of Connecticut: by Beverly Waugh Kunkel. 27. Seventh Biennial Report of the Commissioners of the State Geological and Natural History Survey, 1915-1916. 28. Eighth Biennial Report of the Commissioners of the State Geological and Natural History Survey, 1917-1918. 29. The Quaternary Geology of the New Haven Region, Connecticut: by Freeman Ward, Ph.D. 30. Drainage, Modification and Glaciation in the Danbury Region, Connecticut: by Ruth Sawyer Harvey, Ph.D. ar. Check List of the Insects of Connecticut:’ byy Vi arom Everett Britton, Ph.D. 32. Ninth Biennial Report of the Commissioners of the State Geological and Natural History Survey, 1919-1920. 33. Geology of the Stonington Region, Connecticut: by Laura Hatch; Ph.D; (in press?) 34. Guide to the Insects of Connecticut: prepared under the direction of Wilton Everett Britton, Ph.D. Part IV. The Hemiptera or Sucking Insects of Connecticut: by Wilton Everett Britton, Ph.D., with the collaboration of James Francis Abbott, Arthur Challen Baker, Harry Gardner Barber, William Thompson Davis, Dwight Moore Delong, William Delbert Funkhouser, Harry Hazleton Knight, Asa Chandler Maxson, Herbert Osborn, Howard Madison Parshley, Edith Marion Patch, Louis Agassiz Stearns, José Rollin de la Torre-Bueno, Edward Payson Van Duzee, Harley Frost Wilson. 35. Tenth Biennial Report of the Commissioners of the State Geological and Natural History Survey, 1921-1922. (In press.) Bulletins 1, 9, 12, 17, 21, 25, 27, 28, 32 and 35 are administrative reports containing no scientific matter. The other bulletins may be classified as follows: Seslaey: Bulletins 4,6, 7, 8, 13, 18, 23, 24, 20, 30, 33. Perany: Bulletins 3,5, 10, 11, 14, 15. Zooiosy: Bulletins 2, 16, 19, 20, 22, 26, 31, 34. 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Postage, when bulletins are sent by mail, is as follows: New| $0.01 Nios 147 "$0108 No..22 “$0.02 3 .08 14 .08 24 .10 4 .06 15 .06 25 02 5 03 16 107; 26 .06 v7 .06 Ly 02 27 02 8 05 18 O77 28 .02 9 02 19 08 29 02 IO 08 20 14 30 108 ig .07 21 102 aa .06 12 .02 22 .08 22 02 The prices when the bulletins are sold are as follows, postpaid: Nowe $0.05 Nori 3°)'S0:40 INO! 223) ) S605 3 .40 14 75 24 65 + -30 T5 “35 25 05 5 a5 16 35 26 .80 7 .60 17 05 27 05 8 .20 18 25 28 05 9 05 19 45 29 -50 10 35 20 .50 30 45 ipa 120 21 .05 21 .50 12 105 22 2.00 22 .05 Parts of the editions of these Bulletins have been assembled in volumes substantially bound in cloth, plainly lettered, and sell for the following prices, postpaid: Volume I, containing Bulletins 1-5 $1.50 Volume II, containing Bulletins 6-12 2.45 Volume III, containing Bulletins 13-15 2.50 Volume IV, containing Bulletins 16-21 2.15 Volume V, containing Bulletin 22 2.50 _ It is intended to follow a liberal policy in gratuitously distribut- ing these publications to public libraries, colleges, and scientific institutions, and to scientific men, teachers, and others who require particular bulletins for their work, especially to those who are citi- zens of Connecticut. Applications or inquiries should be addressed to GEORGE S. GODDARD, State Librarian, Hartford, Conn. In addition to the bulletins above named, published by the State survey, attention is called to three publications of the United States Geological Survey prepared in cooperation with the Geo- logical and Natural History pe of Connecticut. These are the following: ; Bulletin 484. The Granites of Connecticut: by T. Nelson Dale and Herbert E. Gregory. Water-Supply Paper 374. Ground Water in the Hartford, Stamford, Salisbury, Willimantic and Saybrook Areas, Connecticut: by Herbert E. Gregory and Arthur J. Ellis. Water-Supply Paper 397. Ground Water in the Waterbury Area, Connecticut: by Arthur J. Ellis, under the direc- tion of Herbert E. Gregory. These papers may be obtained from the Director of the United States Geological Survey at Washington. CO ————————— _——— CATALOGUE SLIPS Connecticut. State geological and natural history survey. Bulletin No. 34. Guide to the insects of Connecticut. Prepared under the direction of W. E. Britton. Part IV. The Hemiptera or sucking insects of Connecticut. By W. E. Britton, with the EGianerdtion of |. F. Abbott, A. C. Baker, H. G. Barber, W. T. Davis, D. M. DeLong, W. D. Funkhouser, H. H. Knight, A. C. Messen, Ei. Osborn, H. M. Parshley, FE. M. Patch, L. A. Stearns, J. R. de la Torre-Bueno, E. P. Van Duzee and H. F. Wilson. Hartford, 1923. 807 pp., 20 pls., 169 figs., 23°™. Britton, Wilton Everett, 1868. Guide to the insects of Connecticut. Prepared under the direc- tion of W. E. Britton, editor and author of families Aleyrodidae and Coccidae, pp. 335-382. Part IV. The Hemiptera or sucking insects of Connecticut. By W. E. Britton, with the collaboration Hoieeeebett, x. C, Baker, H. G. Barber, W: T: Davis, D. M. DeLong, W. D. Funkhouser, H. H. Knight, A. C. Maxson, H. Webern, EM. Patshley, E.. M. Patch, L. A. Stearns, J. R.-de la Torro-Bueno, E. P. Van Duzee and H. F. Wilson. Hartford, 1923. 807 pp., 20 pls., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) Abbott, James Francis, 1876. Guide to the insects of Connecticut. Prepared under the direc- tion of W. E. Britton. Part IV. The Hemiptera or sucking insects of Connecticut: family Corixidae, pp. 386-390, Hartford, 1923; 807 pp., 20 pls., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) CATALOGUE SLIPS Baker, Arthur Challen, 1885. Guide to the insects of Connecticut. Prepared under the direc- Homer VW. E. Britton. Part 1V. The Hemiptera or sucking insects of Connecticut: family Aphididae (Tribe Callipterini), pp. 271-290, Hartford, 1923. 807 pp., 20 pls., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) Barber, Harry Gardner, 1871. Guide to the insects of Connecticut. Prepared under the direc- mameoraV. . Britton. Part IV. The Hemiptera or sucking insects of Connecticut: family Lygaeidae, pp. 708-737, Hartford, 1923. 807 pp., 20 pls., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) Davis, Wiliam Thompson, 1862. Guide to the insects of Connecticut. Prepared under the direc- tion of W. E. Britton. Part IV. The Hemiptera or sucking insects of Connecticut: family Cicadidae, pp. 238-242, Hartford, 1922. 807 pp., 20 pls., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) DeLong, Dwight Moore, 1892. Guide to the insects of Connecticut. Prepared under the direc- tion of W. E. Britton. Part IV. The Hemiptera or sucking insects of Connecticut: family Cicadellidae, pp. 56-163, Hartford, 1923. 807 pp., 20 pls., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) CATALOGUE SLIPS Funkhouser, William Delbert, 1881. Guide to the insects of Connecticut. Prepared under the direc- tion of W. E. Britton. Part IV. The Hemiptera or sucking insects of Connecticut: family Membracidae, pp. 163-206, Hartford, 1923. 807 pp., 20 pls., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) Knight, Harry Hazleton, 1889. Guide to the insects of Connecticut. Prepared under the direc- tion of W. E. Britton. Part IV. The Hemiptera or sucking insects of Connecticut: family Miridae, pp. 422-658, Hartford, 1923. Saype.. 20 pis., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) Maxson, Asa Chandler, 1875. Guide to the insects of Connecticut. Prepared under the direc- tion of W. E. Britton. Part IV. The Hemiptera or sucking insects of Connecticut: family Aphididae (subfamily Pem- phiginae), pp. 311-329, Hartford, 1923. 807 pp., 20 pls., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) Osborn, Herbert, 1856. Guide to the insects of Connecticut. Prepared under the direc- tion of W. E. Britton. Part [V. The Hemiptera or sucking insects of Connecticut: suborder Parasitica, pp. 17-23, Hartford, 1923. 807 pp., 20 pls., 169 figs., 23™. (Bulletin No. 34, Connecticut geological and natural history survey.) CATALOGUE SLIPS Parshley, Howard Madtson, 1884. Guide to the insects of Connecticut. Prepared under the direc- fem ot VW. E. Britton. Part 1V. The Hemiptera or sucking insects of Connecticut: keys to families of Heteroptera, pp. 383- 385, families Termatophylidae, Anchoridae, Cimicidae and Nabidae, pp. 665-674, Phymatidae, Enicocephalidae, Piesmidae and Tingidae,, pp. 692-707, Neididae, Aradidae, Coreidae, Alydidae, Corizidae, Pentatomidae, Cydnidae and Scutelleridae, pp. 737-783, Hartford, 1923. 807 pp., 20 pls., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) Patch, Edith Marion, 1876. Guide to the insects of Connecticut. Prepared under the direc- Genser VW. E: Britton. Part IV. The Hemiptera or sucking _ insects of Connecticut: families Psyllidae, Aphididae (in part) and Chermesidae, pp. 243-256, 290-311, 329-335, Hartford, 1923. 807 pp., 20 pls., 169 figs., 23™. (Bulletin No. 34, Connecticut geological and natural history survey.) Stearns, Louis Agassiz, 1892. Guide to the insects of Connecticut. Prepared under the direc- tion of W. E. Britton. Part IV. The Hemiptera or sucking insects of Connecticut: family Cercopidae, pp. 206-238, Hartford, 1923. 807 pp., 20 pls., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) a i aaa r 1? : 4 ~ ; rhe va r] ‘ mp on SS ante har - . R re i bs : r 4 + . ¢ 7. e ‘1 } y oF en se Oe : : : % a, ae i % . ss Py ee } ri on i ‘ ‘ y ey Lae? pp we ia i ’ d 4 + 7 : ) 4 a i i 5 oy Pere ; : +, 2 Lak Cpe fc * " ar. < < wy ‘ ‘ - CATALOGUE SLIPS Torre-Bueno, José Rollin de la, 1871. Guide to the insects of Connecticut. Prepared under the direc- tion of W. E. Britton. Part IV. The Hemiptera or sucking insects of Connecticut: families Ochteridae, Nerthridae, Belosto- matidae, Nepidae, Naucoridae, Notonectidae, Saldidae and Veltidae, pp. 391-421, Gerridae and Hydrometridae, pp. 658-665, Meso- veliidae, Naeogeidae and Reduviidae, pp. 674-692, Hartford, 1923. 807 pp., 20 pls., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) Van Duzee, Edward Payson, 1861. Guide to the insects of Connecticut. Prepared under the direc- tion of W. E. Britton. Part IV. The Hemiptera or sucking insects of Connecticut: family Fulgoridae, pp. 24-55, Hartford, 1923. 807 pp., 20 pls., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) Wilson, Harley Frost, 1883. Guide to the insects of Connecticut. Prepared under the direc- ton et VW. E. Britton. Part I1V.. The Hemiptera or sucking insects of Connecticut: family Aphididae (Tribe Lachnini), pp. 256-271, Hartford, 1923. 807 pp., 20 pls., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) : 7, - a ia ne = “2 CATALOGUE SLIPS Zoology. matron, WV. E., Abbott, |. F., Baker, A. C., Barber, H..G., Davis, ive fs DeLonge, D. M., Funkhouser, W. D., Knight, H. H., Max- fee ©. Osborn, H., Parshley, H. M., Patch, E. M., Stearns, fee Lorre-Bbueno, J. R., Van Duzee, E. P.; and Wilson, H. F. Guide to the insects of Connecticut. Prepared under the direction fey. B. Britton. Part 1V. The Hemiptera or sucking insects of Connecticut, Hartford, 1923. 807 pp., 20 pls., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) Insects. Guide to the insects of Connecticut. Prepared under the direc- Pomapea vy. E. Britton. Part 1V. The Hemiptera or sucking insects of Connecticut. By W. E. Britton, with the collaboration Gap Abbott, x. C. Baker, Ei. G. Barber, W. T. Davis, D. M. Wemeds, VW. WD: Punkhouser, H. H: Knight, A. C.. Maxson, Eee siarn. i. MM? Parshley, E. M. Patch, L. A. Stearns, J. R. de la Torre-Bueno, E. P. Van Duzee, and H. F. Wilson, Hartford, © 1023. 807 pp., 20 pls., 169 figs., 23°™. (Bulletin No. 34, Connecticut geological and natural history survey.) x ‘SMITHSONIAN INSTITUTION LIBRARIES 39 rm 9088 01267 1665 ”~