a fe yn ge ; Pet 5 = = TS5tie a Seen Ses SS ee ere en Se ee es SS : : = Seer —— cee Nal ALE yh y Ve AAS an ven ORAS uJ ry peta at 4 H SPN va . . 4 - 7 > aiAU = : = 2 i 7 vie : \\ oS Lan | 2 ~~ ¢? rt : r [ow i i Pa ee *, a ; as 7 7 % 7 Lis 7 7 a) i re) ee 5 : 7 Mare : fo ' - Laas ts ; A ' iT — 7 : _ if A: : , yr ay: ae Re a ‘= § n it 6 - - 7 : _ fl ; i A 7 7 8 , | in Ae : Nj an n ’ — 2 ws 7 a fh al se ia iy Oe ee | vo ¢ 5 D ‘ : ne 7 yi i _ 3 i 7 . moun) ‘ , ns _ _ : i: 7 “i 7 7 I 7 i 7 (a a a war sr) mm 4: 7 I : i i 7 7 F 7 ] a ’ a a 2 ‘ -_ nu a rt mi: 7 srt a) : i | 4 lm Y ? i Va - ni Na ( "wn fae hs — iv aor i - i fF - “ i i 7 - : Hh 7 Lay , an Y ih + EN 351605 Wis VoL. I, PP. 1-12. SEPTEMBER 15. 1903. INVERTEBRATA PACIFICA ave ; Contributions from and through Department of Biology, Pomona Coilege. EDITED By C. F. BAKER, CLAREMONT, CALIFORNIA. HOMOPTERA ON THE GNATHODUS SPECIES OF THE ABDOM- INALIS GROUP. Cab BAKER. Gnathodus abdominalis is one of the commonest species of the group in the United States, being especially well distributed in the southern two-thirds of this area. It is the type form of a group of the old genus in which the head is as wide or wider than the pronotum, and the ocelli approach very closely to the eyes. These characters give it an aspect very different from that of the original type of Gnathodus. I propose to here separate abdominalis as the type of a new genus—Eugnathodus. In western Nevada I found a new Eugnathodus, differing remarkably from abdominalis in that the vertex was considerably produced. In western Nicaragua I found the genus well represented, while ex- tensive collecting failed to turn up a single true Gnathodus. The genitalia are very similar in all the species, in the female the hind margin of last ventral segment being simply truncate, so far as observed. Genus Eugnathodus. SvNOPSIS OF SPECIES. er, (a) Vertex strongly produced at middle; color pale ™ olive, the head fuscous and the elytra whitish trans- lucent; length 3 mm Mountains bordering Lake ifanoeins Nevada (io restesta ieee ose... .'... NEVADENSIS D. (sp. H aioe? ] 4 (va) Vertex about as long orshorter at middle than at eyes. (6) Propleura behind eye so narrow that hind mar- gin almost touches eye; body small, short, and thick set; color opaquc yellowish throughout; length 2.5mm, Managua. Nicaragua......FLAVESCENS n. sp, (66) Propleura behind eye broad, of the abdominalis ty pe. (c) Head and prothorax sordid whitish or yel- lowish, or if greenish then with dark dots; anterior margin of prothorax broadly evenly rounded. (dq) Head and pronotum usually more or less fuscous tinted, and with more or less distinct fuscous markings. (¢) Pronotum sordid greenish with nu- merous dark vermiculate dots; elytra whitish translucent, the tip including appendix and apical cells obliquely smoky; length 3 mm. Managua, INicara pula’. = ein seiese coe VERMICULATUS n. sp. (ee) Pronotum sordid whitish with more or less well defined longitudinal bands; elytra translucent whitish; head ful- vous tinted with more or less distinct darker markings. (7) Length 3-3.5 mm. United States COMIN Cara Dale ene ABDOMINALIS Van D. (//) Length 4-4.25mm. San Marcos, Nicaragua..ABDOMINALIS, var. MAGNUS n. var. (d¢@) Head and pronotum sordid whitish or greenish and entirely without fuscous markings, (e) Size very small; elytra nearly trans- Incent; length 2.5 mm. Managua, Nicanagiia sc scncte gemoene aee DELICATUS n. Sp. (ee) Size medium, length 3.5 mm., head and pronotum yellowish white; elytra translucent milky white. Managua, INiCarag ia. 4 fis hs ee ee eee LACTEUS n. sp. (cc) Headand pronotum pale green, the former slightly pointed and decidedly tumid; elytra ncarly decolored, all translucent and appar- ently minutely roughened except two inner apical cells which are clear. Uength 2.75 mm. Champerico, Guatemala.............. TUMIDUS n. sp. i>) AONE W GENUS OF PH TYPHLOCYBINI. (OR 1 BVA OI Ree In Typhlocybids with margined wings we find one genus with three apical cells, two with two apicals, and one with one. In those without a marginal vein we have had cases of three cells (Eupteryx) and of two cells (Typhlo- cyba) in the wing. To complete this parallel series now comes a little Typhlocybid from Nicaragua, the smallest, slenderest species I have seen in the tribe or even in the family. This insect has the aspect of Typhlocyba and but a single apical cell in a wing without a margin. The elytron is altogether unique for it is angled at the apex, making the large stalked second apical cell diamond- shaped. I name the new genus Typhlocybella. Typhlocybella minima n. sp. Length 2.25 mm. Color sordid white with fine olive markings. Face darker, with a tranverse line above. An irregular line runs around apical and lateral margins of vertex within the border. The pronotum bears four more or less distinct longitudinal olive lines. Elytron transparent, the veins margined with smoky and_the apical cells suffused with smoky. A golden cloud occurs near base of corium. Tergum and venter mostly black. Collected at Managua, Nicaragua by the author. THE GENUS ERYTHRIA IN AMERICA. (Oz ING MVE ace In Nicaragua I found a number of small, thick set, highly colored Typhlocybids, which have the venation of Dicraneura, but differ widely from that genus in character- istic proportions of body. They are exactly congeneric with the European species of Erythria, and i shall de- scribe them under that name, although none have yet been described from America. I called attention to the possible status of this genus.in ‘‘Psyche” several years ago, Erythria Donaldsoni n. sp. Length 3 mm. Color sordid yellowish with fine olive lineations - and mottlings. Front with interrupted brown arcs below, above with two olive loops extending over from vertex. Vertex witha median line and two twice looped lateral lines which connect with the median line on anterior margin. Anterior margin of pronotum yellowish with four dark dots, the remainder mottled olive. Scutel yellowish with two dark median dots anteriorly andtwo faint longi- tudinal lines posteriorly. Elytron, except costal celt, nearly to cross neryures finely yellow mottled on an olive background. Two spots on claval margin distad of a ngle, and extreme apex of clavus white. Apical third of elytron fuliginous, the veins white. Small transparent spots in apical cells and larger ones in anteapical cells, Collected at Managua, Nicaragua, by the author and named for Hon. Chester Donaldson, U. S. consul there, and a thorough Amer- ican gentleman, keenly alive to the interests of fellow countrymen. Erythria Guzmani n. sp. Length 2.75 mm. Sordid yellowish with lower part of face, venter, and tergum black. Front with interrupted brown arcs. Vertex with a brownish half loop on either side of front margin and a fainter transverse line posteriorly. Pronotum with a group of several brown dots on either side near front margin; most of disc olive and hind margin whitish. Elytra with veins whitish translucent, distally the veins are margined with fuliginous which color entirely fills the inner and outer apical cells. Two yellow areas in the clavus, one in the brachial cell, and two in the basal cell. are narrowly margined with smoky. About midway in the costal margin isa yellow elliptical ring, the breadth of which ex- tends from costa across radial cell, and which is crossed length- wise by a yellow line on the cubital nerve. At each end of this ring is an irregular blackish area. Collected at San Marcos by the author. Named for Dr. Guz- man, the Director of the Nicaraguan National Museumat Managua. Erythria Montealegrei n. sp. Length 3mm. Face almost entirely black. Anterior margin of vertex and upper margin of face broadly yellow. The vertex is strongly produced. Passing across its middle from eye to eye and arched cephalad is a narrow somewhat irregular blue-black band. In front of this band the vertex is orange, behind it reddish. The pronotum is orange colored with an irregular blue-black band just within anterior margin The scutel is orange with a very broad longitudinal blue-black band. Basal two-thirds of elytra orange, the remainder faintly tinged with lemon yellow. On the elytra are blue or blue-black markings as follows: A small spot at base of | On clavus, two large spots near middle which run together on clayal suture, a spot at base of corium, a narrow band which starts on basal fourth of costa, passes obliquely inward and distad to radial cell, thence obliquely outward and distad to costa. from which point a broad band crosses the elytron to apex of Clavus. Collected at Champerico, Guatemala, and at Managua, Nica- ragua, by the author. One of the most beautiful Typhlocybids seen in Central America. Named for Senor Don Abraham Montealegre, a Nicaraguan gentleman living in Chinandega, and former Italian vice-consul, with whom I lived for a time and from: whom I had many favors. Erythria Deschoni n. sp. Length 3mm. Headand thorax pale brown, the anterior mar- gin of the strongly produced vertex yellowish. The vertex has three faint whitish longitudinal lines, one median, and two lateral oblique ones near it. Around anterior margin of pronotum are a numober of minute white dots. The scutel also shows faint white lines as on vertex. The elytra are clear yellowish brown through- out, the clavus along ciaval suture being somewhat decolored. Venter yellowish. Tergum black. Collected at Managua, Nicaragua, by the author. Named for Mr. Edward Deschon who, although a Nicaraguan gentleman by birth, was educated inthe United States. To him I am indebted for many kindnesses and much valuable information. NEW TYPHLOCYBINI. C. F. BAKER. Alebra sanguinolinea n. sp. Length 3.25 mm. Head large, somewhat tumid, strongly pointed in front, the vertex rather narrrw, longer than wide. Color pale yellowish with intensely blood-red markings. Vertex with two small golden arcs just before apex. Propleura and costa near base each with a small red dot. A broad red band extends entirely around anterior and lateral borders of pronotum, then follows claval suture half its length, where the two limbs cross the clavus and join at the commissure. A red band starts near base of clavus and extends to near middle of claval suture where itis clavate. A third red band starts near middle of costa and extends obliquely to near distal end of brachial cell. The transverse veins between apical and anteapical cells are red. The apical cells are smoky with a single transparent spot in each. There 6 are transpirent, sm>ky bordered spots in apical portion of each anteapical cell. Near the middle of the costa between the lateral red bands is a lemon yellow area, and another occurs in apical por- tion of clavus. The tergum, except for small lateral portions, is black. Collected at San Marcos, Nicaragua, by the author. Protalebra Nicaraguensis n. sp. Length 3.5mm. Vertex strongly angled in front. Hind mar- gin of last ventral segment of female broadly notched, with a large rectangular tooth which does not exceed lateral angles of the seg- ment. Color lemon yellow, paler on face and margins of vertex, and on lateral angles of pronotum. The scutel becomes white eaudad, the extreme apex black. ‘The elytra are glistening yellow- ish, more transparent apically where the margin is narrowly smoky. A round dot on cubital nerve, a transverse stripe on middle of clavus, a transverse band at apex of brachial area, and another still larger transverse band across the two inner apical cejls, fuliginous. Collected at San Marcos, Nicaragua, by the author. Protalebra transversalis n. sp. Length3 mm. Head pale yellowish. Pronotum, except lateral angles, pale brown. Elytra glistening yellowish to the transverse veins. Starting at middle of costa, a fuliginous band extends entirely across both elytra. This band is narrow and deeply colored at the costa, paler and much broader within where it is extended along the inner margin of clavus to and around the basal angle. The area of the apical cells is fuliginous, with a transverse band just back of apex and a spot at base of inner apical cell trans- parent. The form of the apical cells is quite peculiar. The inner terminal vein is lacking, throwing the two inner apical cells together in one very large cell. Collected at Acapulco, Mexico, by the author. Protalebra maculata n. sp. Length 2.5 mm. Blackish, with ivory white or yellowish markings. Vertex broad and obtusely angled in front. Hind margin of last ventral segment of female truncate. Face dark brown below, black above where there are two trans- verse yellow stripes, the lower passing on to basal joiuts of an- tennae, and having, where it crosses the front, several brown dots. The apex of vertex is black; back of this black apex is a transverse yellow band enlarged at center into a diamond shape, and at sides - passing down to join the upper band on face. There are two large yellow spots at posterior angles of vertex. The pronotum is black with a narrow white margin Onits disc anteriorly is a large rounded white spot, and on either side of center are two more, connected by a lozenge shap2d white spot. The scutel, except lateral angles and a median spot next pronotum, is white. The elytra are dark fuliginous. In basal half of clavus are three white spots, the middle largest, the distal sometimes broken in two. There is asmall white dot at the apex of theclavus, another just beyond tip of clavus, a large one on distal end of brachial vein and a smailer one at proximal end of the anteapical cell. The veins surrounding the middle anteapical cell are white. A small area across the two inner anteapical cells. a small area in each of the two outer apicals and the outer anteapical cell, trans- parent. A small space at apex of elytra and three small spaces along the costa proximally, white. Collected by the author at San Marcos and at Managua in Western Nicaragua. Protalebra octolineata n. sp Length 3 mm. Pale golden yellow above, whitish beneath. Head without markings. Three more or less distinct longitudinal lines on pronotum, the middle extending on to scutel where it is much more deeply coloured. The elytra are unevenly glistening yellow proximally, transparent distally. Kach elytron on basal two-thirds bears four dark longitudinal lines about equidistant, one passiny along costa, one along cubital vein, one through the clayus and one along outer claval margin; the twoinner curve toward each ‘other distally and join, asdo also the two outer. Area of apical celis slightly smoky, with two narrow darker bands apically; one spot in outer and another in inner apical cell, dark brown. Hind margin of last ventral segment truncate with a transverse black mark at center. Collected in considerable numbers at San Marcos and Managua in Nicaragua and at Champerico, Guatemala, by the author. Eualebra notata n. sp. Length 3 mm. Golden yellow, the face brownish, and the anterior margin of vertex lighter laterally. At base of vertex on the median line is a large rounded black spot. On either side of the paler apex of the scuteJlum is a small black dot. Another black dot occurs at extreme base of elytron. Elytra very pale smoky with pinkish suffusions especially along the principal veins. Collected at Champerico, Guatemala, by the author. Empoasca lineata n. sp. Lenyth 3.5mm. Vertex rather strongly obtusely angled. Color pale green, the legs bluish green distally. Two broad golden yel- low bands cross the vertex longitudinally next the eyes and pass caudad across the pronotum; a band follows the claval margin of elytra from base, around the angle, and to two-thirds its length. Another broad golden yellow band passes along the claval suture. Another band, very indistinct, appears onthe middle of the corium. The elytra, except veins, become transparent distally. Collected at San Marcos, Nicaragua, by the author. Eupteryx quinquemaculata n. sp. Length 3.25mm. Sordid white, yellowish on face, middle of vertex, scutel and bases of elytra. The front below has many broadly inter-npted brown arcs and above near center two round black spots. A round black spot occurs on either side of apex of vertex and another on the median line near base. Twosmall black dots occur near middle of anterior margin of pronotum and two still smaller occur on either sidecaudad of these. A large area in middle of pronotum posteriorly, isdarkened. The elytra are nearly transparent with the veins smoky margined. ‘Three small fuligi- nous areas occur in the clavus and another at the middle of the brachial cell. There are two small dirk dots near the costa prox- imally, two larger still darker ones near costa at middle, and one small one at tip of middle apical cell. Collected at Stanford University, California, by the author. This is the third American sp:cies of this genus. Typhlocyba pseudo-maculata n. sp. Length 2.5mm. With the general appearance of maculata, but much smaller, the vertex much narrower and far more strongly produced. Color milky white, with golden markings. On the vertex there are two longitudinal bands next the eyes, which do not join at the apex. On the pronotum there are four longitudinal bands, two on sides and two near the middle, the latter converging toward the hind margin. Lateral angles of scutel golden. Three spots on claval margin, one before the angle and two beyond. On the corium occur two oblique golden stripes, one at basal fourth and one at half the length, both extending from costa inward and back- ward. ‘The veins apically are faintly smoky margined, and at base of middle apical cell occurs a round black dot. Coiected at Champerico, Guatemala, by the author. Typhlocyba verticis n. sp. Length 3mm. Peculiar among Typhlocybids because of the extensive vertex, which is not only broad but strongly angularly produced as in Deltocephalus. Color pale yellowish, the head and pronotum without markings. Clavus and corium at base, golden. On middle of corium is a large g rounded milk white area partly surrounded by a more or less imper- fect carmine border which is more distinct near the costa. Some of the apical veins are smoky bordered and at the base of one ot fhe apical cells is a large round black dot. Collected at Managua, Nicaragua, by the author. Typhlocyba pseudo-obliqua n. sp. Length 3.5mm. Color very pale yellowish with red markings. Two separate longitudinal bands on vertex next eyes are extended straight caudad across pronotum. Lateral margins of pronotum red. Lateral angles of scutel and a median line red. A transverse red band passes across Clavus just proximad of the angle. An ob- lique red stripe starts from basal fourth of costa and passes across apical third of clavus. Another red stripe starts from half of costa and runs obliquely to distal point of clavus. Elytra translucent proximally, but transparent distally. ‘Collected at Managua, Nicaragua, by the author. Like obliqua in general appearance, but smaller, and the markings arranged very differently. Fyphlocyba bimaculata n sp. I had set this species aside as a Cicadula. It had the general habitus of that genus, also the general color of some Cicadul/a, and seemed too large and coarse for a Typhlocybid. But the venation is that of 7yphlocyba, even to the absence of a marginal vein in the wings. Length 3.5 mm. Color yellowish, the pronotum darker. Two large round black spots occur on the short, broadly rounded vertex. Two rounded black spots occur near basal angles of scutel. Area of apical cells transparent; the rest of the elytron golden translu- cent. Tergum mostly black. Hind margin of last ventral segment of female roundly produced at middle where it is brown. Collected at Champerico, Guatemala, and at Acapulco, Mexico, by the author. NOTES ON MACROPSIS. C.oh. BARKER: In Psyche, Vol. IX, p. 55, I described Macropsis idio- ceroides, which of known genera could only be placed in Macropsis. From that genus it differed in some very striking characters, notably in the position of the lateral pronotal carina, which does not reach the eye but curves far down on to the pleura. The head is very little, if any, narrower than pronotum. ‘The clypleus is strongly convex, very broad at base, suddenly strongly narrowed beyond the middle to the rounded apex. In these characters it is entirely distinct from all true Macropsis and I here separate it as the type of a new genus, Straganiopsis. Since writing on Macropsis in Psyche, I have collected considerable additional material in Nevada, California and Central America. I have already presented a reply to Ball’s criticism of my paper. Further study of mew ma- terial has afforded abundant additional evidence that some of Ball’s speculations concerning the species are most ill- founded. The species humilis and misella were described by Stal from Mexico, the latter from Vera Cruz. No structural characters of specific value are given in the descriptions. The length of both species is given as 4 mm. Colors only are described and these are certainly somewhat variable in this genus as in most Jassid@ just as Ball says. The types are probably in existence and should be given careful examination and description. Ball’s reference of rufoscu- tellata to misella would also warrant, and more plausibly, the reduction of some forms of robusta also. In 1902 I collected in Nevada a good series of rufoscutellata fairly typical and uniform in characters, and I again insist that there is no evidence whatever to indicate that it is more closely related to misel/a than are several other species. The reference of atra, magna and Californica to humilis is still more uncertain and ill-advised and would suggest the possibility of aggregating all Macropsis into one species. Not only are atra, magna and Californica widely distinct from each other and from pymilis in coloration, but the three former present a number of pronounced structural differences, and are very dissimilar in size. Humilis is characterized by colors only, with a length of 4 mm. ‘There would be far better reason for reducing Stal’s pallescens (which I have collected in Nicaragua) to humilis, and Ball should have done it, to be consistent. It becomes bl somewhat humorous, when, after indicating that the three species in question bave not even specific value, he de- scribes a var. paeta, ‘suffused with reddish,” of the species laeta. Just so we might have a var. nigra of many Jassids and a var. albiflora of most plants with colored flowers. For any who may wish to compare the species atra, magna and Californica with each other and with the descriptions of humilis and misella, | transcribe these latter from the original source. “313 Stragania humilis Stal. Griseo-albida; fronte, loris, medio verticis thoracisque, scutello, apice excepto, macula magna laterali mesostethii basique coxarum posticarum nigris; tegminibus breviter fusco-pilosis; capite thorace vix angustiore. Fem. Long. 4 mill. (Coll. Signoret.) 514 Stragania misella Stal. Flayo-testacea, subtus cum pedibus stramineo-albida; tegmin- ibus sordide hyalinis, fusco-pilosulis, scutello, clavo. apiee excepto, maculaque subapicali dorsi abdominis nigris; scutelli maculis discvidalibus flayo-testaceis; capite thoracis parte posteriore paullo angustiore. Mas. Long. 4 mill. Vera Crus. (Mus. Holm,)”’ Macropsis Nicaraguensis n. sp. Female. Length 4.5 mm. Vertex evenly rounded, of equal length throughout its breadth. Clypeus parallel sided, the apex broadly rounded. Margins of ledges over antennal grooves strongly oblique. Front just above clypeus nearly smooth. Pronotum with the usual aciculations. Hairs on basal third of elytra very pale brownish and rather weak, on apical two-thirds (except area of apical cells) much stronger and black. Color very variable. Ground color sordid straw color, some- times somewhat greenish. A small areaon hind margin of prono- tum usually darker, sometimes even black. Basal angles of scutel dark, sometimes blackish. A spot at miéedle of claval margin and sometimes whole basal half of clavus brown to black. Extreme tip of clavus usually dark. Last ventral segment with a broad deep evenly rounded emar- gination, at the center of which isa slight rounded projection which with adjacent margin is red brown. Collected at San Marcos, Nicaragua, by the author. =< | bo Macropsis Franciscana n. sp. Female. Length 4.25 mm. Resembling su/oscutellata, but shorter for the breadth. Vertex slightly produced at middle. Clypeus with sides gradually converging towards apex. Margins of ledges over antennal grooves nearly in a straight line, but slightly oblique. Front just above clypeus distinctly aciculate. Pronotum with the usualaciculations. Impressed line on middle of scutel gently curved, not angled at middle. Basal half of clavus with adjoining portion of brachial cell, bearing numerous minute white hairs. The remainder of corium, except apical cells, bears black hairs. ‘The first (inner) apical cell is smaller than second. Color pale green with a yellowish tinge. Scutel yellowish, the impressed line often darker. Clavus bordering scutel and to beyond inner angle, red brown. Last ventral segment broadly, evenly, deeply emarginate, with a small triangular projection at center. Collected at various points in San Mateo and Santa Clara counties in California, by the author. Evidently the West Coast representative of 7u/oscutellata but of different proportions, details of structure, and color. ZAMTHSON 4 W DEC 20 1954 LIBRARY POMONA COLLEGE PUBLICATIONS No. 2 Voce. 1, PP¥ 13-16. NOVEMBER 30, 1903 INVERTEBRATA PACIFICA: Contributions from and.throuzh Department of Biolozy, Pomona College. EDITED By C. F. BAKER, CLAREMONT, CAL. ORTHOPTERA FIRST DECADE OF ORTHOPTERA ISSUED IN THE “INVERTEBRATA. PACIFICA” SERIES: Cai k: BAKE Re The. first decade of Orthoptera now being issued to subscribers contains four new species, Professor Morse’s descriptions of which are quoted in this paper. He is also authority for all the determinations. All the material for this first decade was collected in Ormsby county, Nevada, by my wife and myself. We took all these, together with others, in the lower edge of the pine zone west of Carson City, among pine groves and sage brush openings at from 1700 to 2000 metres. This first decade is as follows: 17. Cordillacris affinis Morse n. sp. 15. Stenobothrus acutus Morse n. sp. 20. Bruneria shastana Scud. 310. Aulocara elliottii Thos. 307. Hippiscus neglectus Thos. 5. Trimerotropis juliana Scudd. 6. Trimerotropis bifasciata. Mc N. 8. Hesperotettix Nevadensis Morse n. sp. 19. OUedaleonotus enigma Scudd. 24. Bradynotes compacta Morse n. sp. Of these No. 310 was abundant, Nos. 6, 307 and 19 were fairly common, Nos. 17, 15,.20, 5-and.18 were infre- quent and local. Perhaps the most: interesting species is 14 No. 24, the new Bradynotes. This was found common in the sage brush after we became familiar with its habits. It is wingless and a poor jumper, but expert at ‘“‘playing possum.” When the bushis jarred it drops at once and lies on the ground with legs folded against the body. In this condition it is very difficult to find. ADDITIONAL NOTEHS JON. PACIFIC CONSE ORTHOPTERA. Cob BAKER: Of the past year’s collecting in Nevada, Middle West- ern California, Southern California and Western Nicara- gua, but a small number of species have been determined, though practicaliy all are in the hands of specialists. Besides the Nevada species to be issued in the first de- cade, there were also collected in the same locality Camnula pellucida Scudd., very common; one of the ‘*Jerusalem Crickets”, Cacopteris inermis Scudd.common; Trimerotropis fallax Sauss., and Niphidium occidentale Morse, occasional; under boards, logs, and stones the curious Stenopelmatus longispina Brunn., occurred frequently. Some of the Ne- vada Melanopli are still undetermined. At Stanford University, California, I found Welanoplus - devastator Scudd., and M. nanus Scudd. fairly common and in about equal numbers. Yiphidium occidentale Morse is also not uncommon there. Under boards, logs and stones at Stanford there may frequently be found the very inter- esting Ceuthophili—c. pacificus Thom., and C. henshawii Scudd. NEW ORTHOPTERA FROM NEVADA. ALBERT P. MORSE, WELLESLEY, MASS. (This article appeared originally in Psyche, Vol. X., INo.8323; penis, Jane. 1903; **CORDILLACRIS AFFINIS, Sp. nov. One male, five females, Ormsby Co., Nev., July 6. These spec- imens agree in size, general form, proportions, and markings with PS C. occipitalis, but differ as follows: the front margin of the scutel- lum of the vertex is farther removed from the apex and external margin of the vertex, being nearer a line drawn at the level of the front margin of the eyes than to the apex of the vertex—in occipi- talis the reverse is true,—and the fuscous stripe on the dorsal part of the outer face of the hind femora is broken up into narrow trans- verse fasciae. "The name CORDILLACRIS has been proposed by Rehn (Can. ent., vol. 33, p. 271) to replace ALPHA (Brunner, Rev. syst. orth., p. 121, 1893) which is preoccupied in Hymenoptera. STENOBOTHRUS ACUTUS, sp. noy. Five males, Ormsby Co., Nev., July 6. Closely allied to S¢#. cnrtipennis but differing in having the vertex more produced and the angle of its sides more acute; the facial costa is also wider and scarcely or not at all narrowed opposite the median ocellus. ‘The lateral foveolae are deep and very distinct, and the antennae aver- age shorter (in the specimens seen). Possibly it is but a geograpi- cal race but in either case it seems worthy of a name. Antenna, 8.5-9.5; hind fem.: 11-12; tegmina: 10-12; total length: 16-17.5 mm. The tegmina equal the abdomen. HESPEROTETTIX NEVADENSIS, Sp. nov. Three males, three females, Ormsby Co., Nev., July 6. Very similar to A. brevipennis, the female somewhat smaller, differing in ornamentation and slightly in structure, the vertex being a very little narrower between the eyes,and the tegmina relatively shorter, especially in the male. ‘The tegmina in both sexes are about one and one-third times as long as the exposed portion of the abdomen (in bdbrevipennis nearly or quite covering abdomen, particularly in male). General color pea-green, ranging (in-male at least) to rusty brown, and varied with pale yellow stripes on mid-carina and on anterior portion of lateral carinae of pronotum, on meso- and me- tapleura, lower margin of genae, lower margin of outer face of hind femora, and on the veins of the tegmina, especially the poste_ rior ulnar. Hind femora with ferruginous annulus above knee, in brown male showing indications of two obliquely transverse fus- cous fasciae. Hind tibiae bluish green, palerat tip. Fuscous mark- ing and cloudings are also present in varying degree on the lateral lobes of the pronotum and along the margins of the median dorsal pale stripe. on the vertex and occiput, the meso- and metapleura, andthe geniculations of the hind femora. The anterior and middle femora are ferruginous. Antenna: male, 7; female, 7; hind fem: male, 9; female, 11.5- 12.5; tegmina: male, 6.3-6.7; female, 8.5-9; total length: male, 16; female, 21 mm. BRADYNOTES COMPACTA, Sp. nov. Four males, four females, Ormsby Co., Nev., July 6. Nearly allied to #%. odesa, differing from that species in its smaller size, the structure of the pronotum, the less upturned end 16 of the abdomen, and in the form of the supra-anal plate of the male. In odesa this plate is as wideas long, in’ compacta it is dis- tinctly longer than wide. The lateral carinae:of ‘the pronotum are: equally as distinct or even better developed than in odésa and less irregular in course, in obesa being broken or angulate at the anterior and middle sulei, formmg two pairs of lines; diverging posteriorly, while in compacta they form essentially but one pair of divergent lines though somewhat sinuous (female) or subangulate (male) at the crossing of the sulci. Antenna: male, 7; female, 7; hind fem.; male, 10-10.6;° female, 10.5-11.5; pronotum: male, 3.7-4.2; female, 4.2-4.5; . total length: male. 18-19:5; female, 20-25 mm.?’ Pages 1-12 of Volume I relate wholly to the Homop- tera and contain the following articles: 1. On the Gnathodus species of the abdominalis group. 2. A new genus of the Typhlocybini. 3. The genus Erythria in America. 4. New Typhlocybin1. 5. Notes on Macropsis. ALL BY C.F... BAKER. Three new genera are characterized and twenty-six: new species described. The price of this part is twenty- five cents. The price of the present part, pages 13-16, is tencents. DEC 20 1954 LIBRARY ———— FEBRUARY 10, 1904. INVERTEBRATA PACIFICA VOoL.1, PP. 17-40. Contributions from and through Department of Biology, Pomona College. EDITED BY C. F. BAKER, CLAREMONT, CALIFORNIA. DIPTERA REPORTS ON CALIFORNIAN AND NEVADAN DIPTERA i: Cc. F. BAKER. Only through the kindly interest of Mr. D. W. Coquil- let of the National Museum, does it become possible to publish these first results of the collection of the past year, at this time. Acknowledgments are also due Prof. J. M. Aldrich for the determination of most of the Dolichopo- didae. The material recorded herein was all collected in three regions, Ormsby County, Nevada, the vicinity of Stanford University, California, and about Claremont, Los Angeles County, California. The work done so far has been any- thing but thorough, and taken all together represents but very few hours actual labor. Indeed, the results are but a by-product of other very pressing work. It will be noted that the Stanford material is composed entirely of vernal and autumnal species, since I have never been there through the midsummer, All the Nevadan material was taken by my wife or myself about our summer camp in the head of King’s Canyon west of Carson City. The tents were placed just within the pines. Near them, in a tangled patch of wil- lows and alders, welled upa smallspring which supplieda few acres of meadow on the hillside below. Quite a variety of herbaceous plants grew in this vicinity. On the other side a few steps carried one among the sage and rabbit- brush (Chrysothamnus). Even though so manifestly in- complete, still the comparison of these collections is very 18 interesting, the Californian from west of the Sierras and the Nevadan from close up on the eastern slope. The vicinity of Stanford University furnishes a wealth of Diptera which I have not seen equalled anywhere in the West. There are ponds, streams, rich woods, pastures, and finally salt marshes, all near by. ‘The richness of the region may be inferred from the large number of new species resulting from the small amount of very superficial work done by me. At Claremont and vicinity, in the typical Southern California country, work has just begun. It will be con- tinued with unremitting perseverance in both California and Nevada.* MYCETOPHILIDAE. 1728 BOLITOPHILA HYBRIDA Meig. Stanford University. 82 MYCETOPHILA OBSCURA Walk Stanford University. This Species was abundant about Lagunita in the early spring. 1729 Mycetophila trifasciata Coquillet, new species. Head black, antennae brown, the base yellow. Mesonotum reddish brown, opaque, the narrow front margin and broad front angles yellow, its short hairs yellow, the lateral bristles brown, pleura black and with a few small yellow spots, pteropleura bearing a row of black bristles, scutellum chiefly yellow. Abdomen black, the genitalia yellow. Legs and halteres yellow, apices of tarsi, of middle and hind coxae and of their tibiae, also apices of hind femora, black; middle and hind tibiae bearing two rows of black bristles on their outer sides, the middle tibiae with two long bristles near the middle of the inner side. Wings hyaline, and marked with three brown cross-bands; the first band begins on the costa and extends into the second basal cell, passing over the small crossvein; a large brownish spot behind the fifth vein appears to represent the continuation of this band; the second band crosses the wing from just before apex of the first vein to apices of forks of the fifth vein, filling the cell formed by these forks, behind which it is abruptly narrowed to about half its previous width; the third band fills the apex of the wing from a short distance beyond apex of first vein to apex of upper branch of fifth vein; the latter vein forks far beyond the forking of the fourth, its forks rather narrowly sepa- *A list of the first century of Diptera to be issued in the Inver- tebrata Pacifica series will be published before long, with the first report on Nicaraguan Diptera collected last winter. 19 rated, converging toward their apices. Length 2.5 mm. Five males. Stanford University, California. Type‘No. 7665, U.S. National Museum. 1730 Mycetophila fenestrata Coquillet, new species. Near ¢rifasciata, but differing as follows: No brown coloring at apex of any coxa or femur, inner side of middle tibiae with a single short bristle near the middle. Wings having the first brown band not beginning at the costa, but at the first vein, the brown spot behind the fifth vein very faint, the second band coalesces with the third along the costa and again aiong the forks of the fourth vein, enclosing an oval hyaline spot just below the third vein; neither of these two bands pass beyond the lower fork of the fourth vein, although the wing is faintly bordered with gray from the apex of this fork to a short distance beyond apex of lower fork of fifth vein; the latter vein forks only a short distance beyond the forking of the fourth, its two forks widely separated and not con- verging toward their apices. Length 3mm. A single specimen. Stanford University, California. Type No. 7666, U. S. National Museum. 1731 Neoempheria pullata Coquillet, new species. Brown, the first two joints of antennae, humeri, genitalia and legs, yellow, the latter changing to brownish toward apices of tarsi; antennae over twice as long as the head and thorax, joints of flagellum very elongate, the third joint of attennae about five times as long as wide; body opaque, the hairs and bristles black; bristles of tibiae shorter than greatest diameter of the latter; wings hyaline, pubescent, auxiliary vein terminates in the first slightly before middle of marginal cell, this cell about three times as long as wide, third vein strongly bowed forward, peduncle of second posterior cell about five times as long as the small crossvein, fifth vein forks at about one-fourth of distance from its base to the small crossvein. Length 3.5mm. A male specimen. Stanford University, Califor- nia. Type No. 7667, U. S. National Museum. 1732 Sciophila calcarata Coquillet, new species. Black, the extreme base of third joint of antennae, halteres, genitalia largely, femora, tibiae and base of first joint of tarsi, yellow; third joint of attennae nearly three times as long as broad, the following joints longer than wide; body opaque, gray pruinose, mesonotum marked with three black vittae, the middte one divided medially by a gray line, hairs and bristles of thorax black; middle coxae bearing at apex of front side a forwardly directed, two-pointed spur which is almost half as long as the coxae; bristles of tibiae shorter than the greatest diameter of the latter; wings pubescent, hyaline, auxiliary vein terminates near middle of marginal cell, the subcostal crossvein slightly before the middle of this cell, the latter about one and one-half times as long 20 as broad, first and third veins strongly bowed forward, peduncle of second posterior cell about half as long as the anterior branch of the fourth vein, fifth vein forks slightly before base of first pos- terior cell. Length 4 mm. Ten males. Stanford University, California. Type No. 7668, U. S. National Museum. CULICIDAE. 154 CULEX INCIDENS Thom. Ormsby County, Nevada. 957 CULEX CONSOBRINUS Desy. Ormsby County, Nevada. 958 CULEX TARSALIS Coq. Ormsby County, Nevada. TIPULIDAE. 102 HoLORUSIA GRANDIS Bergroth. Ormsby County, Nevada. Common. BIBIONIDAE. 566 BIBIO HIRTUS Lw. Stanford University. 1733 SCATOPSE NOTATA L. Stanford University. 129 DILOPHUS BREVICEPS Lw. Ormsby County, Nevada. 1734 Dilophus occipitalis Coquillet, new species. Black, a few indistinct spots on lower part of head, extreme base of antennae, prothorax except a streak each Side, mesonotum, pleura except one or two spots and the lower portion, coxae and femora, yellow, stalks of halteres whitish; head narrow and elon- gate, about three-fourths as long as the thorax, cheeks about as wide as height of eyes, distance from upper end of eyes to highest point on the occiput about half the height of the eyes; body pol- ished; hairs chiefly whitish; wings hyaline, stigma black; front tibiae bearing two whorls of spines, one above the middle, the other at the apex. Length3mm. A female specimen. Claremont, Los Angeles County, California. Type No. 7669, U.S. National Museum. 128 DILOPHUS SERRATICOLLIS Wlk. Ormsby County, Nevada. LEPTIDAE. 1735 SYMPHOROMYIA JOHNSONI Coq. Ormsby County, Nevada. 1736 SYMPHOROMVIA LATIPALPIS Bigot. Ormsby County, Nevada. 88 CHRYSOPILA PROXIMA WI1k. Ormsby County, Nevada. 1737 CHRYSOPILA TESTACEIPES Bigot. Ormsby County, Nevada. 1738 Leptis flavonigra Coquillet, new species. Black, the apex of scutellum, halteres, tibiae, apices of front and middle femora and bases of their tarsi, also the abdomen, yellow, alarge spot on sides of the fourth and fifth segments, the ventral portion of these segments and nearly the whole of the fol- 21 lowing segments, black; sides of face. whitish pilose, hairs of body chiefly black; mesonotum dark gray pruinose, two vittae and the lateral margins whitish gray pruinose; wings hyaline, tinged with yellowish at base and along the costa, stigma brownish. Length 7 mm. A female specimen. Type No. 6708. U.S. National Museum. Ormsby County, Nevada. 565 LEPTIS INcISA Lw. Stanford University. - 1739 Pheneus opacus Coquillet, new species. Black, the first two joints of attennae, proboscis, bases of seg- ments two to six of abdomen, stems of halteres, coxae, front and middle femora and their tibiae, also bases of tarsi, yellow, the very elongate hind femora and tibiae dark brown; head gray pruinose, face and lower part of front slightly over twice as wide as distance between the posterior ocelli, front greatly widening towards the vertex, at the lowest ocellus twice as wide as at lower edge; first joint of antennae one and one-half times as long as the second, the latter almost as long as the third, the two last mentioned joints slightly wider than long, arista nearly one and one-half times as long as the antennae proper, indistinctly three-jointed, the first joint twice as long as wide, the second slightly over twice as long as the first, the two together two-thirds as long as remainder of arista; occiput strongly convex; thorax opaque, grayish pruinose, mesonotum marked with three blackish vittae, the median one divided by a gray line; abdomen polished; wings hyaline, veins black, fourth posterior cell closed in one wing but distinctly open on the other, anal cell narrowly open. Length 5mm. A male specimen. Type No. 6707, U. S. National Museum. Ormsby County, Nevada. STRATIOMYIDAE. 133 SARGUS VIRIDIS Say. Ormsby County, Nevada and Stanford University. 134 BERIS ANNULIFERA Bigot. Ormsby County. Nevada. 738 SYRATIOMYS MACULOSA Lw. Ormsby County, Nevada: 24 ODONTOMYIA ARCUATA Say. Stanford University. 736 ODONTOMYVIA BINOTATA Lw. Stanford University. 970 ODONTOMYVIA INAEQUALIS Lw. Stanford University. 38 NEMOTELUS TRISTIS Bigot. Stanford University. TABANIDAE. 1740 CHRYSOPS NOCTIFER OS. Stanford University. 109 CHRyYSOPS SURDUS OS. Ormsby County, Nevada. 1741 Tabanus opacus Coquillet, new species. Near rhombicus, but the frontal subcallus is gray pruinose, the gray spots of abdomen greater in number and extent, etc. Black, 22 the base of the third antennal joint and antealar callosity reddish yellow, broad sides of second. third and fourth abdominal segments except a large spot on each, also a large portion of the venter and the tibiae except apical half of front ones, yellowish, palpi and knobs of halteres whitish; head wider than thorax, front of female strongly narrowed below, gray pruinose, the callous polished, shield shaped, a partially denuded oval spot above it connected by a narrow line, ocellar spot somewhat denuded but not elevated, eyes pubescent, purplish, each marked with two or three greenish bands, third joint of antennae broad, the upper angle blunt, palpi rather short and very robust, hairs of last joint chiefly black in the female, white in the male; mesonotum gray pruinose, marked with six black vittae, the hairs black and mixed with a few yellowish ones, hairs of pleura white, many black ones on the upper portion; segments two to six of abdomen each marked with three gray pruinose spots contiguous to the narrow gray hind margin, each spot extending across, or nearly across, the segment; wings sub- hyaline, a small faint brownish cloud at forking of the third vein, this fork not appendiculate, outer portion of first posterior cell with parallel sides. Length, male 12, female 15 mm. A specimen of each sex. Ormsby County, Nevada. Type No. 7319, U. S. National Museum. 114 TABANUS PUNCTIFER OS. Ormsby County, Nevada. ASILIDAE. 155 DioctTrRIaA pusIO OS. Ormsby County, Nevada. 974 SCLEROPOGON INQUINATUS Lw. Ormsby County, Nevada. 104 Erax puBIus Will. Ormsby County, Nevada. 105 AsILUS CALLIDUS Will. Ormsby County, Nevada. 1742 ASILUS ANGUSTIFRONS Will. Ormsby County, Nevada. 1018 MALLOPHORA FAUTRIX OS. Claremont, Los Angeles County, California. BOMBYLIDAE. 1743 EXOPROSOPA TITUBANS OS. Ormsby County, Nevada. 1744 SySTOECHUS OREAS OS. Ormsby County, Nevada. 116 ANTHRAX MoRIO L.. ,Ormsby County, Nevada. 1204 PHTHIRIA SULPHUREA Uw. Claremont, California and also in Ormsby County, Nevada. 1745 GERON SUBAURATUS Lw. Ormsby County, Nevada. 1746 PANTARBES PUSIO OS. Ormsby County, Nevada. THEREVIDAE. 119 PsILOCEPHALA COSTALIS Lw. Ormsby County, Nevada. 117 THEREVA DUPLICIS Coq. Ormsby County, Nevada. nN On 1747 Thereva flavicauda Coquillet, new species. Black, the antennae, legs, halteres and apex of abdomen, yellow; apex of antennae brown, coxae, front femora except their apices, and basal half of middle femora black, apices of tarsi brown, a brown spot at bases of knobs of halteres; the yellow of abdomen occurs On hind margins of third, fourth and fifth segments and whole of the portion beyond the latter; front opaque, yellowish gray pruinose, a transverse pair of polished black spots near the middle, the hairs below the latter black, followed by yellowish white ones, like those of the face, first joint of antennae slightly longer than the third, the under side densely yellowish white pilose and bearing a few black bristles, third joint oval, twice as long as wide, about six times as long as the style; thorax bluish gray pruinose, meso- notum marked with two yellowish gray vittae, its hairs chiefly black; abdomen opaque, gray pruinose, the fifth and sixth seg- ments slightly polished, the following two highly polished, hairs of abdomen almost wholly pale yellowish; wings grayish hyaline, veins indistinctly bordered with smoky, stigma indistinct, yellowish brown, a dark brown cloud at base of second submarginal cell and of each posterior cell, fourth posterior cell closed or narrowly open. Length 10mm. ‘Two female specimens. Ormsby County, Nevada. Type No, 6710, U. S. National Museum. ACROCERIDAE. 1748 OGCODES MELAMPUS Lw. Ormsby County, Nevada. 1749 Acrocera bakeri Coquillet, new species. Black, the four angles of the thorax, legs and halteres whitish, the prothoracic spiracle and abdomen orange yellow, the latter having the first segment, a fascia on the second expanded on the sides and extending across the venter, a small basal spot in middle of dorsum of the third and fourth segments, a large spot on each side of the third segment extending across the venter, in the middle of which it is greatly expanded, a small spot in basal angles of the fourth segment and a pair of spots on venter of this segment black; tarsal claws and last tarsal joint except the base, also black; wing hyaline, veins black, calypteres wholly whitish hyaline. Length 5mm. : 20.5 mm. 18.5 mm. Length of posterior femora .........-.........--- 22. mm. 22. min. Length of subgenital opercule ..................- 14.5 mm. *The body is consideraby bent so that this measurement taken in 4 straight line does not. represent the actual length.’’ 75 ACRIDIDAE. :587 Paratettix mexicanus Sauss. Occasional at Chinandega, Nicaragua. Det. Rehn. Rehn also refers to this species my No. 2998 from the mountains near Claremont, California. 3000 Paratettix mexicanus Sauss. var. abritus Hanck. Taken with the No. 2998 above mentioned, on the muddy bank of a stream in a narrow canon in the mountains near Claremont, California. Det. Rehn. 1854 Inusia obscura (Thunb.) ? Occasional at San Marcos, Nicaragua. Det. Bruner. 2618 Achurum Sumichrasti Sauss. Taken at Granada, Nicaragua. Det. Rehn. 2588 Napaia gracilis McN. First seen at Claremont, California. During the Fall found to be abundant locally in the mountains near Claremont. Det. Rehn. 1284 Orphulella punctata DeG. Taken commonly at San Marcos and Managua in Nicaragua. Det. Bruner. *1554 Psoloessa maculipennis Scudd. Frequent at Claremont, California. Det. Rehn. 1553 Psoloessa ferruginea Scudd. Oceasional at Claremont, California. Det. Rehn. 1862 MHeliastus Sumichrasti Sauss. Occasional at San Marcos, Nicaragua. Det. Bruner. 2625 Heliastus aridus Bruner. Occasional at Claremont, California. Det. Rehn. *2753 Heliastus Californicus Thom. Specimens taken at Claremont, California are similar to specimers in the Pomona College collection apparently determined by Bruner. The species is so variable that scarcely two alike can be found. If this is true Culifornicus, then aridus is but a form of it. 1857 Leprus intermedius Sauss. Rare at Claremont, California. Det. Bruner. 1287 Lactista punctatus Stal. Occasional at San Marcos, Nicaragua. Det. Rehn. 777 Lactista gibbosus Sauss. Occasional at Claremont, California. Det. Morse. 76 *1538 Arphia hesperiphila Rehn. Common at Claremont, California. Det. Rehn. 300 Arphia Behrensii Sauss. Occasional in Ormsby county, Nevada. Det. Rehn. 2621 Chimarocephala pacifica Thom. Frequent at Claremont, California and in the nearby mountains. Det. Rehn. 1834 Dracotettix plutonius Bruner. Occasional among the various desert shrubs on dry ground at Clare- mont, California. Very variable in color. Det. Rehn. *775 Derotmema saussureanum Secudd. This one of the most abundant species at Claremont, Californi:. Det. Morse. 778 Conozoa Behrensii Sauss. Frequent at Claremont, California. These specimens were determine: by Morse. Rehn has determined a very different thing (No. 2589) as C. Behrensii. 788 Conozoa wallula Seudd. Common at Claremont, California. Det. Rehn. Bruner has referro1 here a very different thing represented by Nos. 1861 and 1859, collecte-t by me in Ormsby county, Nevada. 782 Spharagemon venustum Stal. Frequent at Claremont, California. Det. Morse. Another lot of specimens collected (No. 783) are very pale in color, 5 786 Trimerotropis Californica Bruner. Oceasional at Claremont, California. Det. Morse. Varies from quite dark as in these specimens to ashy (No. 785). *780 Trimerotropis vinculata Scudd. Common at Claremont, California. Det. Morse. A very weak de- colored form is frequent.—No. 1858, determined by Bruner. 784 Trimerotropis caeruleipennis Bruner. Oceasional at Claremont, California. Det. Morse. But my specimens are scarcely separable from those determined as vinculata. 304 Trimerotropis tessellata McN. Frequent in Ormsby county, Nevada. Det. Rehn. 1863 Aidemona azteca Sauss. Taken at Chinandega and San Marcos in Nicaragua. Det. by Rehn and Bruner. ~cosn wc 1540 Oedaleonotus enigma (Seudd.) Since the publication of my first report I have found this species also at Claremont, California. Rehn. 1582 Melanoplus affinis Scudd. ? One of the Melanopli common about Claremont, California. Rehn refers it to this species with a question. 1864 Melanoplus Rileyanus Seudd. Occasional in the mountains near Claremont, Calinfornia. Det. Bruner. 1865 ,Melanoplus fuscipes Seudd. Found at Claremont, California, on plants of Hriogonum fascicula- tum. Det. Bruner. 1866 Melanoplus serianus Seudd. Specimens collected by me at Stanford University, Californis, have been referred to this species by Bruner. 1544 Melanoplus diminutus Seudd. Frequent at Stanford University, California. Rehn has also referred to this species a very different thing which I found at Stanford University (No. 308) and which Morse had ealled M. devstator Seudd. But my No. 9 from Ormsby county, Nevada, and which Rehn has determined as devastator, is the same as No. 308. 309 Melanoplus femur-rubrum DeG. Morse has referred here a common form found in Ormsby county, Nevada. Two lots were collected, the second under * No. 8. 1867 Melanoplus differentialis Thom. Occasional at Claremont, California. Det. Bruner, 3427 Melanoplus bivittatus Say. A form of this well known species is not uncommon in Ormsby county, Nevada. 1301 Osmilia mexicana Sauss. Frequent at San Marcos, Nicaragua. Det. Rehn. 1855 Taeniopoda obscura Bruner. Oceasional at San Marcos, Nicaragua. Det. Bruner. 1868 Schistocerca columbina Thunb. Oceasional at San Marcos, Nicaragua. Det. Bruner. *1545 Schistocerca vaga Seudd. Common at Claremont, California. Det. Rehn. LOCUSTIDAE. 1547 Stilpnochlora marginella Thunb. Occasional at San Marcos, Nicaragua. Det. Rehn. *1288 Microcentrum laurifolium (L.) Common at Claremont, California, among the orange trees. Det. Rehn. My No. 1295 from Nicaragua Rehn also calls Iaurifolium, but they differ widely in wing proportions at least, and these are fairly constant in the two lots. 1546 Paragenes conspersa (Bruner). Occasional at San Marcos, Nicaragua. Det. Rehn. 2590 Paragenes tessellata (Sauss.) Oceasional at San Marcos, Nicaragua. Det. Rehn. 2593 Conocephalus macropterus Redt. Occasional at Chinandega, Nicaragua. Det. Rehn. 1297 Scudderia curvicauda (DeG.) Occasional at San Marcos, Nicaragua. Det. Rehn. 1549 Scudderia mexicana Sauss. Taken at Chinandega, Nicaragua, and at Claremont, California, ac- cording to determinations by Rehn. 1548 Scudderia furcifer Seudd. San Marcos, Nicaragua. Det. Rehn. 1299 Scopiorus mucronatus Sauss. & Pict. Taken at San Marcos and Chinandega, Nicaragua. Det. Rehn. 1300 Phlugis virens (Thunb.) Occasional at San Marcos and Chinandega, Nicaragua. Det. Rehn. 1971 Xiphidium fasciatum DeG. Common at Managua, and taken also at Chinandega, Nicaragua. Det. Rehn. 789 Xiphidium propinquum Redt. Frequent at San Marcos, Nicaragua. Det. Rehn. Morse hal referred this with a question to X gossypir Seudd. 2594 Anabrus simplex Hald. Occasional in Ormsby county, Nevada. Det. Rehn. 3003 Pristoceuthophilus marmoratus Rehn n. sp Rare at Claremont, California. Rehn has recently published the de- seription of this species. 79 1552 Ceuthophilus Californicus Seudd. Frequent at Claremont, California, under stones. Det. Rehn. 2595 Tropizaspis Steindachneri (Hermann). Occasional at Claremont, California. Det. Rehn. GRYLLIDAE. 790 Stenopelmatus irregularis Bruner. Frequent at Stanford University, California. Det. Morse. *1551 Stenopelmatus oculatus Seudd. Frequent at Claremont, California. Det. Rehn. 1972 Stenopeimatus Californicus Br. ? Immature forms doubtfully referred to this species by Rehn were found commonly under stones at Claremont, California. *791 WRhipipteryx Biolleyi Sauss. Occasionally taken in the sweep net at San Marcos, Nicaragua. Det. Morse. 3006 Tridactylus terminalis Seudd. Oceasional on the muddy lake shore at Elsinore, California. Det. Rehn. *792 Ellipes minuta (Scudd.) Common in sweepings made at Managua, Nicaragua and at Champer- ico, Guatemala. Det. Rehn and Morse. 2604 Gryllus pennsylvanicus Burm. Frequent at Claremont, California. Det. Rehn. 2600 Gryllus assimilis Fabr. Frequent under stones on Catalina Island, California. What are apparently the young of this species were found abundant under stones at Claremont, California. - 2605 Gryllus vocalis Seudd. Oceasional at Elsinore, California. Det. Rehn. 3004 Gryllus integer Secudd. Oceasional at Elsinore, California. Det. Rehn. 2609 Prosthacusta mexicana Sauss. ? Occasional at San Marcos, Nicaragua. Det. Rehn. 1970 Ectatoderus borealis Scudd. Occasional at Claremont, California. Det. Rehn. 2608 Ectatoderus aztecus Sauss. Taken at Acapuleo, Mexico. Det. Rehn. 80 1973 Anaxipha pulicaria Burm. Common at San Marcos, Nicaragua. Det. Rehn. 1290 Cyrtoxipha azteca Sauss. Taken at Managua and San Marcos, Nicaragua. Det. Rehn. 2620 Cyrtoxipha Smithii Sauss. Common at San Marcos and Chinandega, Nicaragua. Det. Rehn. 2615 Cyrtoxipha granadensis Rehn, n. sp. ‘‘Type: Female; Granada, Nicaragua. Coll. C. F. Baker. Acad. Nat. Sei. Phila. Allied to (©. macilentus Saussure but differing in the slenderer an] unarmed ovipositor and the slightly shorter metatarsi. Size small; form elongate. Head with the interocular region broad and depressed, the occiput bearing a very blunt ridge; eyes large, moderately prominent, subreniform in outline; palpi with the terminal joint slender and not markedly infundibuliform; antennae exceeding the body in length. Pronotum subequal in width and rather cylindrical, slightly longer than broad; anterior margin with a slight median em- argination, posterior bisinuate; lower margin of the lateral lobes broadly obtuse-angulate. Tegmina equalling the body in length, narrow; apex rather acute; dorsal field with the veins all distinctly longitudinal. Wings caudate, exceeding the tips of the tegmina by considerably more than half the length of the latter. Cerci sligthly exceeding the ovipositor in length, tapering. Ovipositor slightly less than half the length of the posterior femora, arcuate, subequal in width, the usual shoulder on the superior margin very slight and both apical margins are unarmed; apex acute. Limbs slender. Posterior femora gradually and directly tapering to the apex; tibiae about equal to the femora in length, spines slender, metatarsi slightly less than twice as in long as the remaining tarsal joints. General color pale glaucous green; eyes chocolate brown; ovipositor with the apical portion ferruginous. MEASUREMENTS. AoA WemMeAw Soaaacoccue moqdceDac 8.5 mm. Length of pronotum ...........- 1.5 mm. Length of tegmina ............ 5.0 mm. Length of wings ..............-- 9. mm. Length of posterior femora ...... 5.8 mm. Length of ovipositor ............ 2.2, mm.’” 2602 Xabea bipunctata DeG. Occasional at San Marcos, Nicaragua. Det. Rehn. 2607 Paroecanthus aztecus Sauss. Taken at San Marcos and Chinandega, Nicaragua. Det. Rehn. §] 2617 Oecanthus Californicus Sauss. Frequent at Claremont, California. Det. Rehn. 2616 Oecanthus marcosensis Baker n. sp. Specimens collected at San Marcos, Nicaragua and of the same general habitus as californicus. had been doubtfully referred to that species by Rehn. No. 2617 he had determined as true ecalifurnicus But marcosenst, differs widely in the majority of the specific characters, coloration, form of body, structure of antennae, etc., though it is evidently a near relative. Type in my collection. Length 18 mm. Color a faded brownish, darker on the posterior legs. The antennae are stout, the two basal joints brownish, and each with a slender, longitudinal, dark brown dash beneath; the flagellum is straw colored and with short white pubescence; joints 3 and 4, 6 to 10 inclusive, 12, and 16, are short and subequal; joints 5, 13, and 17, are slightly longer and subequal; joints 11, 14, 15, and 18 and suceeding joints, are about twice as long as the smallest joints and subequal in length. The maxillary palpi are about as long as the head, joints 3 and 4 subequal, joint 5 longer and most swollen in the apical half. Labial palpi small, the third joint longer than the first two together and but slightly swollea towards the normally rounded tip. Pronotum narrowed anteriorly, the sides neither strongly depressed nor much expanded; near the medi:n line are three pairs of small longitudinal depressions; near the frout margin on either side is a short semicircular depression, while posterioy to these are a pair of long, curved, deep longitudinal depressions. The tegmina are 14 mm. long by 5.5 mm. wide at the widest place; on the reflexed portion are fourteen oblique veins. The wings reach to the tips of the tegmina. The cerci are rather stout, extending to the wing tips, and covered with rather long white hairs of varying lengths. The hind femora have three longitudinal series of short, oblique, straight brown dashes on the outer side, while both femora and tibiae are sprinkled with minute brown dots; the tibiae bear five pairs of large spines besides the numerous small teeth; the apex of hind tibiae and the hind tarsi are thickly covered with a short golden pubescence. 2613 Oecanthus niveus DeG. Oceasional in the mountains near Claremont, California. Det. Rehn. 1299 Oecanthus varicornis WIk. Taken at Champerico, Guatemala and San Marcos, Nicaragua. Det. Rehn. 1289 Oecanthus nigricornis Wlk. Frequent at Stanford University, California. Det. Rehn. 1302 Oecanthus Rileyi Baker n. sp. This new species is described from one male taken in the mountains near Claremont, California. Mr. Rehn had referred it to Ovecanthus 82 latipennis Riley , temporarily, as the most nearly related form. But this can scarcely be that species as the description will indicate. The tyne is in my collection. Length 15 mm. Color, the faded yellow common to many species of Oecanthus, The anterior and middle femora are pale brown. The anten- nae are clear shining amber color; the two basal joints are brown and each has on the under side an ivory white area with a small round dark brown dot at center; the flagellum is very slender, about 16 mm. in length and very minutely and sparingly pubescent; joints 2 to 11 inclusive. of the antennae, and 14 and 15, are short and subequal in length; 12 and 18, and 16 and immediately succeeding joints, nearly twice as long as those in the first lot. Joints 3 and 4 of maxillary palpi equal; joint 5 as long as first three together and medially somewhat swollen. Basal joint of labial palpi small, second slightly more than twice as long, third as long as first two together and gradually enlarged to a truncate tip. Pronotum narrow- ed anteriorly, with two small slender curved longitudinal depressions laterally on disc; the sides are first strongly depressed and then expand- ed. The tegmina are 12 mm. long by 4.5 mm. wide at the widest place; the reflexed lateral portion has eleven oblique veins. The wings exceed the tegmina by 1 mm. The cerci attain the tip of the wings and are thickly pubescent with silvery white hairs. The hind tibiae bear five pairs of large spines besides the numerous small teeth. 3428 Oecanthus Rehnii Baker n. sp. With No. 1302 I had placed a specimen taken at Stanford Uni- versity, California, which was almost identical in general form. On examining it critically | am surprised to find that it differs in almost all the specific characters in use in the genus. The type will remain in my collection. Length 14 mm. Color as in rileyi. Anterior and middle femora of the same color as the rest of the body but the hind femora are browniss. The antennae are quite stout, 22 mm. long, opaque, brown in color ant covered with a tolerably dense minute pile; the articular nodes are white, producing a ringed appearance; the two basal joints are yellow; the first has beneath and within a heavy black longitudinal stripe, and a roundish black spot apically and outwardly; the second joint is almost covered beneath with a large black spot which is notched with yellow apically; joints 2, 38, 5 to 8, and 10 and 11, are short and subequal, joints 4 and 9 are once and a half as long, joints 12 and 13 are twice as long, 14 the same length as the first lot, while 15 and succeeding joints are again long and subequal. Palpi and thorax about as in rileyi The tegmina are 10.5 mm. long by 4 mm. wide a the widest place; the reflexed lateral portions have twelve oblique veins. The wings exceed the tegmina by 1 mm. The cerei are as in rileyi ‘The hind tibiae bear six pairs of large spines besides the numerous small teeth. The apices of the hind tibiae and the hind tarsi are piceous. CO eo ADDENDUM. 2610 Heterocoiis Bakeri Rehn n. sp. ‘““Type: Female; San Marcos, Nicaragua. Coll. C. F. Baker. Acad. Nat. Sci. Phila. Allied to H Smithianus Saussure but differing in the shape of the pronotum, the much shorter tegmina and the fewer veins in the dorsal field of the same. Size medium; form moderately robust. Head broad, the interoecular region distinctly flattened and consideraby deflected; vertex narrower than the width of the basal joint of the antennae and bearing a slight longitudinal sulecation; eye moderately prominent, pyriform in outline and with the greatest width superior; palpi with the last joint expanded and infundibuliform, equal to the third joint in length; antennae rather short, slightly exceeding the body in length. Pronotum slightly broader than long, quadrate, anterior margin truncate, posterior very slightly arcuate; lateral lobes shallow, the lower margin and angles rounded, the posterior angle with an additional internal ridge. Tegmina consider- ably shorter than the abdomen, apex evenly rounded; dorsal field with six major and two accessory veins; lateral field with the mediastine vein bearing eigth rami. Wings aborted. Cerci long, equal to the ovipositor in lengh, rather stout, tapering. Ovipositor shorter than the posterior femora, straight, narrow, the apex with the outer valves distinctly dentieulate, the inner valves very weakly denticulate. Limbs robust. Anterior tibiae with the aperature of the tympanun_ sub-elliptical. Median limbs slightly slenderer than the anterior pair. Posterior femora robust, distal extremity not expanded; tibiae slightly shorter than the femora, marginal spines five in number, the margins very distinctly dentate, apical spurs long and slender; metatarsi about equal to the last tarsal joint in length, and with the second tarsal joint dentate on the superior margins. General color hazel, the abdomen umber; antennae with the two basal joints and the apical half of the same general tint, the intermediate portion black; margins of the pronotum and an obseure bar at the margins of the disk blackish; tegmina wood-brown, the humeral vein black; posterior tibiae with the proximal portion and that adjacent to the base of each spur blackish. MEASUREMENTS. opal lene theese nc saci 0. | lm. Length of pronotum ...... 3. mm. Width of pronotum ........ 3.5 mm. Length of tegmina ........ 8. mm. Length of posterior femora, 9.2 mm. Length of ovipositor....... 6.5 mm. Vol. Vol Vol. Vol. Vol. PARTS ‘OF THE INVERTEBRATA PACIFICA TO DATE I, pp. 1-12, HOMOPTERA (On the Gnathodus species of the Abdo- minalis group, C. I’. Baker; A New Genus of the Typhloeybim, C. F. Baker; The genus Erythria in America, C. F. Baker; New Typhloeybini, C. F. Baker; Notes on Macropsis, C. F. Baker). Price 30 cents. I, pp. 18-16, ORTHOPTERA (First Decade of Orthoptera issued in the Invertebrata Pacifica series, C. F. Baker; Additional Notes on Pacifie Coast Orthoptera, C. F. Baker; New Orthoptera from Neva- da, A. P. Morse). Price 10 cents. I, pp. 17-40, DIPTERA (Reports on Californian and Nevadan Dip- tera I, C. F. Baker, with descriptions of new species and genera by D. W. Coquillet; Two New Siphonaptera, C. F. Baker). Price 60 cents. I, pp. 47-70, HYMENOPTERA (Descriptions of some new Hymea- optera from California and Nevada, J. J. Kieffer; New Hymenop- tera mostly from Nicaragua, P. Cameron). Price 75 cents. I, pp. 71-84, ORTHOPTERA (Second Report on Pacifie Slope Or- thoptera, C. I’. Baker, with descriptions of new species by J. A. G. Rehn and C. F. Baker). Price 35 cents. Address: C. F. BAKER Estacit6n Agrondémica SANTIAGO DE LAS VEGAS CUBA Imprenta LA PRUEBA HABANA DEC 20 1954 LIBRARY VoL 1, PP. 85-92. May 16, 1905. INVERTEBRATA PACIFICA EDITED BY C. F. BAKER, Estacion Agronomica, Santiago de las Vegas, Cuba. NEUROPTEROID INSECTS NOTES ON NEUROPTEROID INSECTS OF 7 THE PACIFIC COAST OF NORTH AMERICA WITH DESCRIPTIONS OF NEW SPECIES BY NATHAN BANKS. Ci Py BAKER: Through the kindness of Dr. Calvert and Mr. Banks I am able now to present the following preliminary report on the collections of Neurop- teroid Insects brought together by me during my stay on the Pacifie coast. EPHEMERIDA 3122 Callibaetis undata Pict. Occasional at Claremont, California. Det. Banks. 2241 Cleon sp. Taken in the mountains near Claremont, California. Det. Banks.. 2242 Heptagenia n. sp. A common form in the mountains near Claremont, California, in the Springtime, dancing in the sunbeams where they break through the- thick vegetation of the deep rich gulches. : q ODONATA 1549 Hetaerina americana Fab. race californica Hag. Occasional at Claremont, California. Det. Calvert. 86 1255 and 565 Ischnura perparva Selys. Common about Lagunita at Stanford University, California. Det. Calvert. 1550 Ischnura ramburi Selys var. credula Hag. Occasional at Chinandega, Nicaragua. Det. Calvert. 1579 Leptobasis vacillans Selys. Taken at Granada, Nicaragua, and also at Chinandega. Det. Calvert and Banks. 1256 Ceratura capreola Hag. Several specimens were taken at Managua, Niearagua. Det. Calvert. 586 and 566 Enallagma carunculatum Morse. Common about Lagunita at Stanford University, California. Det. Calver. 3419 Enallagma calverti Morse. Occasional in Ormsby county, Nevada. Det. Calvert. 580 and 1260 Argia puella Hag. Frequent at Chinandega, Nicaragua. Det. Calvert and Banks. 1547 Argia vivida Hag. Common at Claremont, California. Det. Calvert. 587 Lestes stulta Hag. Abundant about Lagunita at Stanford University, California. Det. Calvert and Banks. 3624 Amphiagrion saucium Burm. race abbreviatum Selys. A large series taken at Pine Lake jin Southern California by Mr, James Johnson. Det. Calvert. 1261 Neoneura amelia Calvert. Occasional at Chinandega, Nicaragua. Det. Calvert. 1251 Sympetrum pallipes Hag. Occasional at Stanford Uniiversity, California. Det. Calvert. 1252 Sympetrum illotum Hag. Occasional at Stanford University, California. Det. Calvert. 1546 Libellula saturata Uhler. Common about Lagunita at Stanford Uniiversity, California, and at Claremont. Det. Calvert. 584 Mesothemis corrupta Hag. Frequent at Stanford University, California. Det. Calvert and Banks, 1253 Trithemis funerea Hag. Occasional at Stanford Uniiversity, California. Det. Calvert. 1545 Paltothemis lineatipes Karsch. Occasional at Claremont, California. ‘‘Not hitherto been found in California, although it fis known from Arizona and Texas. It was origit- ally described from Brazil and subsequently recorded from Mexico and Venezuela’’. (Calvert). 1544. Tramea lacerata Hag. Occasional at Claremont, California. Det. Calvert. 1543, Aeschna multicolor Hag. Frequent at Claremont, California, and in Ormsby county, Nevada. Det. Calvert. PLECOPTERA 2221 Perla californica Banks n. sp. ‘*Head brown, pale reddish yellow between ocelli and on the clypeus; antennae pale brown; prothorax brown, with a trace of paler median line, rest of thorax dark brown, with a pale median stripe; abdomen pale brown; tibiae paler, with a blackish band on base; setae yellowish brown. Wings nearly hyaline, venation pale brownish; ventral plate of female pale, with a prominent, rounded blackish spot each side. Pronotum plain- ly broader than long, anterior angles acute, posterior ones slightly rounded. Structure similar to P. lycorias. Length 30 mm. Claremont, California. Readily separated from its allies by the two black spots on ventral plates: 2 3395 Nemoura depressa Banks. Taken at light in Claremont, California. Det. Banks. 3397 and 3398 Tinodes consueta McLach. Occasional at Claremont, California. Det. Banks. 3115 Sialis infumata Newm. ‘'wo specimens taken at Claremont, California. Det. Banks. ISOPTERA 112. Termopsis angusticollis Wlk. Workers and winged males common in old logs at Claremont, Cali- fornia, and in Ormsby county, Nevada. Det. Banks. CORRODENTIA 2 Elipsocus n. sp.? Taken in great numbers from evergreen oaks very early in Spring at Stanford University, Californlia. Det. Banks. 83 3 Caecilius sp. perhaps aurantiacus. Occasional at Stanford University, California. Det. Banks. 3128 Caecilius sp. Frequent on oaks at Claremont, California, Det. Banks. 3125 Psocus sp. Occasional at Claremont, California. Det. Banks, 3130 Psocus californicus Banks. Occasional at Claremont, California, but more common in the nearby mountains. Det. Banks. 3127 Peripsocus californicus Banks. Occasional at Stanford University, California. Det. Banks. NEUROPTERA 8. STR. All of the species cited under this head have been determined by Mr. Banks. 573 Raphidia oblita Hag. Common at Stanford University, California. 8 Raphidia bicolor Alb. Common in Ormsby county, Nevada. 2222 Raphidia adnixa Hag. Common in Ormsby county, Nevada. Found also at Stanford Univers- ity, California. 2126 Raphidia occulta Banks. Common at Claremont California and in the nearby mountains. 3426 Mantispa brevicollis Banks. Taken in Ormsby county, Nevada. 574 Mantispa viridis Wlk. Occasional at Granada, Nicaragua. Chrysopa fraterna Banks. Common in Ormsby county, Nevada. Ss Chrysopa californica Coq. Comon in Ormsby county, Nevada and at Stanford University, California. 3117 .Chrysopa externa Hag. Common at Claremont, California, and in the nearby mountains. 3120. Chrysopa bimaculata McClendon. Occasional at Chinandega, Nicaragua. 89 ~ 3402 Chrysopa rufilabris Burm. Taken at Elsinore, San Bernardino county, California. 3392 to 3394 Chrysopa coloradensis Banks. Collected in Ormsby county, Nevada and also in the mountains near Claremont, California. 39399 EHremochrysa fraterna Banks. Taken at Pine Lake, Southern California, by James D. Jonhson, a former student of mine. 11 Brachynemurus peregrinus Hag. Common in Ormsby county, Nevada. 10 Brachynemurus ferox Walk. Frequent in Ormsby county, Nevada. 2232 Brachynemurus longipalpis Hag. Occasional at Claremont, California. 2230 Brachynemurus Sackeni Hag. Occasional at Claremont, California. 2233 Brachynemurus papago Currie. Occasional at Claremont, California. 576 Ascalaphus tuberculatus Banks. Frequent near the Indian pueblo of San Marcos in Western Nics- ragua. 3405 Polystoechotes punctatus Fabr. Mr. Culbertson, a former student of mine, took several specimers of this species at Three Rivers, California. : 4035 Berotha occidentalis Banks n. sp. ‘*Wace yellowish; vertex brown: antennae pale yellowish: thorax brown, rather densely clothed with brown bristles; abdomen pale brown, more yellow.sh on the base, legs very pale, clothed with gray hair and black bristles; wings tinted with brown, venation brown, there are many scattered round brown spots, each centered upon a vein. Along the costal area are several large dark brown spots, and the pterostigma quite dark brown; the apical margin is brown interrupted with white, gradate veinlets and the basal cross veinlets heavily dark brown. Hind wings hyaline, pterostigma brownish, and the cross vein below it nargin- ed with brown. The wings are of the usual shape, but the outer margin is evenly and deeply concave, not all sinuate; there are five branches of the radial sector, and the latter is connected to the radius by a cross vein near the middle of the wings. The male has at the tip of the abdomen a bristly style on each side. Length to tip of wings 12 mm, 6) Ormsby county, Nevada, July, Baker, and also at Phoenix, Arizona (another collector).’’ 3422 Hemerobius coloradensis Banks. Occasional in Ormsby county, Nevada. 3423 Hemerobius pacificus Banks. Occasional in Ormsby county, Nevada. 3424 Hemerobius californicus Banks. Taken at Stanford University, California. 2536 Hemerobius n. sp. Taken at Granada, Nicaragua. 2223 Megalomus minor Banks n. sp. ‘“*Head pale yellowish, vertex with a dark median stripe. Antennae pale, rather darker beyond the middle, palpi pale yellowish. Thorax and abdomen dark brown; legs pale yellowish. Wings hyaline, venation pale, marked with brown, the longitudinal veins and costal veinlets in- terruptedly brown and _ yellowish; the gradate series nearly black and a black spot at anal angle, and a smaller one on cubitus toward the base; margin with alternate brown and white patches. Wings of usual shape; venation not as dense as in M. moestus and M. latus: five or six sectors; the first gradate series is very regular; the outer series but little curved. Length 6 mm. Two specimens from San Marcos, Nicaragua, and one trom Orms- by county, Nevada (Baker). Differs from M. moestus and M. latus in the smaller size, the dark stripe on vertex, and the less dense venation. M. pictus Hagen from Mexico lis unknown to me, but is said to have the basal joints of the antennae black, which is not the case in the other three species.’ 3124 Sympherobius angustus Banks. Occasional at Claremont, California. 3123 Micromus variolosus Hag. Taken at Claremont, Los Angeles county, California. 3421 Micromus montanus Hag. Occasional in Ormsby county, Nevada. 3403 Maracandula bellula Banks. Collected for me at Three Rivers, California, by Mr. Culbertson. 575 Myrmeleon rusticus Hag. Frequent at Granada, Nicaragua. 2228 Myrmeleon distans Banks. Oceasional at Claremont, California. , 12. Myrmeleon immaculatus DeG. var coloradensis Banks. Occasional in Ormsby county, Nevada, 91 MECOPTERA 583 Bittacus apterus McLachlan. Frequent about Lagunita at Stanford University, California, TRICHOPTERA 22535 Leptocella sp. Oceasional at Chinandega, Nicaragua. 577 Chimarrha sp. Taken at Chinandega, Nicaragua. 2237 Rhyacophila coloradensis Bank. Oceasional in the mountains near Claremont, California. 2234 Hydropsyche sp. Taken at Chinandega, Nicaragua. 578 Hydropsyche sp. Taken at Chinandega, Nicaragua. 3420 Platyphylax n. sp. Occasional in Ormsby county, Nevada. 92 Vol. Vol. Vol. Vol. Vol. Vol. Impre PARTS OF THE INVERTEBRATA PACIFICA TO DATE I, pp. 1-12, HOMOPTERA (On the Gnathodus species of the Abdo- minalis group, C. F. Baker; A New Genus of the Typhlocybini, C. F. Baker; The genus Erythria in America, C. F. Baker; New Typhlocybini, C. F. Baker; Notes on Macropsis, C. F. Baker). Price 30 cents. I, pp. 13-16, ORTHOPTERA (First Decade of Orthoptera issued in the Invertebrata Pacifica series, C. KF. Baker; Additional Notes on Pacific Coast Orthoptera, C. F. Baker; New Orthoptera from Neva- da, A. P. Morse). Price 10 cents. I, pp. 17-40, DIPTERA (Reports on Californian and Nevadan Dip- tera, 1, C. F. Baker, with descriptions of new species and genera by D. W. Coquillet; Two New Siphonaptera, C. F. Baker). . Price 60 cents. l, pp. 47-70, HYMENOPTERA (Descriptions of some new Hymeu- optera from California and Nevada, J. J. Kieffer; New Hymenop- tera mostly from Nicaragua, P. Cameron). Price 75. cents. I, pp. 71-84, ORTHOPTERA (Second Report on Pacific Slope Or- thoptera, C. F. Baker, with descriptions of new species by J. A. G. Rehn and C. F. Baker). Price 35 cents. I, pp. 85-92, NEUROPTEROID INSECTS (Notes on Neuropteroid insects of the Pacitie Coast of North America, C. F. Baker, with descriptions of new species by Nathan Banks). Price 20 cents. Address: Cc. F. BAKER Estaci6n Agrondémica SANTIAGO DE LAS VEGAS CUBA nta LA PRUEBA HABANA. Y, VoL. |, PP. 93-1106. Auéust 20, 1908. INVERTEBRATA PACIFICA Edited by C. F. Baker, Estacion Agronémica, Santiago de las Vegas, Cuba, HYMENOPTERA NEW WESTERN MUTILLIDAE, — I. By C. F. BAKER. Large collections of Mutillidae made during several years residence in the Far West are now being worked up with some most interesting results. In a series of preliminary papers now ready for publication, descriptions of the new species will be given, and these will be follow- ed eventually by a complete annotated list. Genus Odontophotopsis Viereck. Synopsis of the New Species Described. A. Flagellum piceous. ' B. Ocelli small, close together, and set in a black area; abdomen) sthamiliy dame dit. 2... cue - sracien «ss cre ete asa os cookin. BB. Ocelli large, well separated, and set in a concolorous vertex; abdomen very heavily haired; the only species having transverso-median nervure in line with basal annulatus. AA. Flagellum honey yellow or testaceous. B. Long hairs of abdomen largely whitish, and numerous mellicornis BB. Long hairs of abdomen golden, and sparse. CS MVicwar lnyeiliney I acsacdodougepupecono os booet viereckii. CKCL Watling) joRules aiulbierin@nisy, Son cacdoooapmocuocds ocellatus. 4039 Odontophotopsis cookii n. sp. Length 10.5 mm. Castaneous, with white and pale golden pubescence. Viewed from the side the head is rather broadly rounded below the eyes; viewed from above it is broadly semicircularly rounded behind. Vertex minutely sparsely punctured and with few long dark brown hairs; occiput fringed with long yellowish hairs; below with white plumose hairs which are confined to the sides of the gular region. Ocelli small and very close together, the two posterior twice as distant from the 94 eyes as from each other; space between and including the ocelli black. The scape and funicle joint of antennae honey yellow, the former coarsely punctate and pubescent with longish yellowish hairs; flagellum piceous and covered with a dense short white tomentum; first joint of flagellum three-fourths of the length of the second. Mandibles with comparatively few yellowish and brown hairs, with an emargination on the lower border which is subtended by an obtuse tooth; the tip is black and bidentate. The maxillary palpi have articles II and III of equal length, IV and V of equal length and a little shorter. Thorax white pubescent except above and in front where the hairs are yellow- ish and brown. Sutures of pronotum without*plumose hairs. Mesonotum shining and with very large and close punctures, becoming rugosely punctured on the sides; with two rather distant, distinct, longitudinal grooves on either side, but these do not reach the anterior margin. Scutellum opaque, coarsely rugose. Metanotum shining, very coarsely reticulated, the meshes of the reticulum subequal except for two unsy- metrical long narrow ones in the middle above. Mesosternum rugoso- punctate and armed with two short teeth near the median line. Legs honey yellow, a shade darker on apices of hind femora and tarsi and on mid and hind tibiae. Tegulae honey yellow. lore wings with the apical third pale smoky; nervures dark, stigma piceous, apex of margin- al cell obtusely pointed; first recurrent nervure entering second sub- marginal cell before the middle of its lower margin; transverso-median nervure joining the externo-median in front of the basal. Abdomen shining, and rather densely clothed with white, yellowish, and brown hairs. The length of first segment viewed from above is less than twice its breadth at apex, the sides are not straight, for apical- ly it is swollen to almost nodose, though it is not as strongly constricted at juncture with second as in some other species; basally this segment is rugoso-punctate but on the nodose portion very sparsely and remotely punctate; near its apex are a few plumose hairs; the median ventral ridge is not prominent and is bisinuate. Pubescence on first and second segments thick and whitish above and below; the apical margins of segments II to V are provided with dense rows of yellowish plumose hairs; segments III and following are finely transversely aciculate, and finely punctate apically. The last dorsal segment is opaque, thickly finely punctured, nearly nude, and with tufts of golden hairs at apical angles. Second segment with the usual felt lines and third segment with the usual speculum. In Viereck’s synopsis this species would fall into the concolor of Cresson, but differs widely from mellicornis which also runs to the same species. The type was taken at Claremont, California. It is named for Prof. A. J. Cook, one of the oldest American entomologists, who is now living at Claremont. 4040 Odontophotopsis annulatus n. sp. Length 8 mm. Castaneous with whitish and golden pubescence which is especially dense on the posterior half of the abdomen. Genae rather = i9 = = ss 2 95 __ broad behind the eyes, but head subtriangular, viewed laterally. Viewed from above the head is very broadly semicirculariy rounded behind. Ver- tex smooth and shining with very few subobsolete punctures, and thinly clothed with yellowish hairs which are mostiy directed cephalad; the two hind ocelli are much nearer to each other than to the eyes. Genae coarsely punctured and with the oecipital margin bearing many long yellowish hairs and some short white ones. Gular region with a pateh of long white plumose hairs. Of the articles of maxillary palpi, II and III are subequal in length, IV and V are subequal and three-fourtis the length of III; all the articles are compressed and expanded on the inner margin, the second very much the most strongly. Scape and funi- cular joint of antennae honey yellow, the former coarsely punctured and covered with withish hairs of varying lengths; flagellum piceous, covered with fine white down, the first article three-fourths the length of the second. The mandibles are clothed with golden hairs and presen. the usual emargination below, subtended by a small blunt tooth; tips black and strongly bidentate, with indication of several smaller’ teeth within. Thorax and legs rather conspicuously and thickly long white pubes- cent, the hairs akove and in front faintly yellowish. Plumose hairs un- usually abundant, occurring in lines and patches along the sutures of the thorax, sparingly on the surface of the metanotum, on the coxas, and around the apical borders of first five abdominal segments. Thorax coarsely rugosely piunetured; mesonotum shining and with punctures somewhat sparse, the four grooves rather indistinct and reaching three- fourths the length of the segment or less. Seutellum coarsely rugoso- punctate. Metanotum very coarsely reticulate, the t1eticulations large, sub- pentagonal, and quite uniform in size above, becoming smaller laterally. Mesosternum reticulato-rugose, the teeth large, sharp pointed and rather widely separated. Tegulae and legs honey yellow, the femora and tibiae with darker tips. Wings faintly smoky, especially on the apical half; veins pale yellowish, stigma dark brown; apex of marginal cell obtusely pointed; the first recurrent nervure entering the second submarginal cell at the middle of its lower margin; transverse median nervure in line with the basal. The abdomen is shining, very hairy, the simple hairs above mostlv yellowish; second segment with the usual felt lines. First segment rugoso-punctate, seen from above rather short trapezoidal, length about once and a half the width at base, the sides nearly straight, lateral tubercles small, the segment rather strongly-swollen apically and clearly constricted at juncture with second, the ventral ridge somewhat bi sinuate and obtuse dentate basally. Second segment obscurely and sparsely punctured. Last dorsal segment long trapezoidal, the surface mostly shagreened and shining, with fine punctures before the apizai 96 margin; apical angles with tufts of short golden hairs; the slender brown styles are here extended to half the length of this segment. This species is very clearly distinguished by the sculpturing, and dis- position of-the pubescence. It was collected at Claremont, California. 4041 Odontophotopsis mellicornis n. sp. Length 11 mm. Castaneous, with white pubescence. Head subtri- angular as viewed from the side, sloping behind the eyes, not at ali quadrate; viewed from above it is broadly semicireularly rounded behind. Vertex shallcwly, irregularly, and sparsely punctured, and with rather short white hairs; occiput and genae fringed with much longer hairs, those on the gular region also long and mostly plumose. Ocelli with the two posterior nearer to each other than to the eyes; space between the ocelli black. Antennae honey yellow, the scape punctured and white pubescent, the first article of flagellum not as long as the se- cond. Mandibles whitish pubescent, and with a blunt tooth subtending an emargination on the lower border; the tips are black and bidentate. Maxillary palpi with articles II, III, and V of equal length, IV a little shorter. Thorax rather thickly white pubescent, the hairs thickest and longest on prothorax, mesothorax, and scutellum, and with rows of short plumose hairs along the sutures of the prothorax. Mesonotum shining and distinctly but rather sparsely punctured, and with two fine long- itudinal grooves on either side. Scutellum opaque and finely rugose. Metanotum shining, coarsely reticulated, the meshes larger and sub- equal medially, smaller at the sides. Mesosternum punctured, sparsely in front, rugosely behind, and armed with two short teeth near the median line. Legs honey yellow, apical two-thirds of mid and hind femora black- ish, the mid and hind tarsi similarly though not so deeply blackened. Tegulae pale honey yellow. Wings nearly hyaline except for a small cloud in the marginal cell next the stigma; the veins are honey yellow and the stigma pale brown; apex of marginal cell obtusely pointed; the first recurrent nervure enters the second submarginal cell at the mid- dle of its lower margin. ; Abdomen mostly shining and with numerous long white hairs equally numerous above and below, and specially dense on the apical half, near the margins of the segments; hind margin of third and succeeding segments dark brown; first abdominal segment long trapezoidal as viewed from above, its length less than twice the breadth at base, strongly constricted at its juncture with the second, below with a strony, rough, evenly curved median ridge; at base and apex of first segment’ and at apices of second and third segments, passing around the abdomen, are fringes of short plumose hairs, the fringe on second segment thickest and most conspicuous; the second segment is very sparsely punctured; the pubescence on the apical segments has a yellow- ish cast; last dorsal segment punctured near the basal angles, and with several shallow depressions apically, the apical angles with tufts of short golden hairs. This form is close to the concolor of Cresson as that species is describet, but the two differ in various details. In mellicornis the ocelli enclose, but are not ‘‘enclosed by’’ a black area, and the abdomen is blackish apically. A sufficient characterization of the original con- color bas never yet been given. So far as the original’ description is concerned, several perfectly distinct far western species might, with a superficial examination, be thrown into it by the careless interpreter. 4042 Odontophotopsis viereckii n. sp. Length 9 mm. Castaneous, antennae, tegulae, legs, and veins in wings honey yellow. Viewed from the side the genae are unusually broad and swollen, though the head is triangular in outline; the eye margin 1s not simply truncate posteriorly as in the other species described, but is quite distinctly enarginate. Viewed from above the head is broadly semicircularly rounded behind. Vertex smooth and shining, with seatter- ing very shallow punctures, thinly clothed with long and short golden hairs; the anterior ocellus is abnormally enlarged, the two posterior nearer to each other than to the eyes; the ocelli are set in a darkene:l but not a black area. Occiput fringed with golden hairs. Gular regiou with a few plumose hairs posteriorly. Articles I] and IV of maxillary palpi far more strongly expanded laterally than article IIT and a little shorter. Scape rather slender, rugoso-punctate, and covered with rather short golden hair. Flagellum dark honey yellow, covered with fine short white down, the first article three-fourths the length of the second. The mandibles are clothed with long golden hairs, and have the usual emargination below which is subtended by a blunt tooth; tips black and tridentate. Pubescence unusually short and principally golden above. White plumose hairs unusually numerous on thorax, the sides of the prothorax, and the metanotum being clothed with them. Mesonotum shining, shal- lowly punctured, its four grooves reaching scarcely half its length. Scutellum rugoso-punctate. Metanotum very coarsely and very sharpiy reticulate, the meshes pentagonal, two or three of those on either side of median line anteriorly run together, forming two long areas; laterally the reticulations are smaller and more irregular. Mesosternum rugoso- punctate, the teeth rather large, very broad at base, and acute at tip. Wings faintly smoky on apical third, veins pale honey yellow, stigma darker; apex of marginal cell narrowly truncated; first recurrent nervure entering second submarginal cell before the middle; transverso- median nervure joining the externo-median heyond the basal. Abdomen shining, well covered with golden hairs above, and with plumose hairs on apical margins of first to fourth segments, though these form a conspicuous band only on the second; ‘‘felt lines’’ on second segment clearly defined but with few hairs; third segment with the usual speculum. First segment of abdomen as seen from above trapezoid- al, length once and half the width at apex, basally rugoso-punctat», apically the punctures are more shallow and quite remote, the lateral margins bluntly tuberculate, bisinuate, rather strongly constricted at second segment, the ventral ridge strong and raised into a sharp median prominence. Second segment very shallowly and sparsely punctured. Last dorsal segment shagreened basally, with a few very large punct- ures on apical half, with the tip rounded and apparently lacking the usual tufts of golden hairs at the apical angles. This is nearest to ocellatus, but that species has pale fuliginous wings. Viereckii was collected in Ormsby county, Nevada. 4043 Odontophotopsis oceilatus n. sp. Length 9 mm. Castaneous with the legs nearly concolorous and with principally golden pubescence. Head subtriangular as viewed from the side; as viewed from above, broadly semicircularly rounded behind. Vertex shallowly, sparsely punctate, and with very few brownish hairs. Occiput and genae frirged with yellowish hairs, the gular region nearly nude. A black dot on anterior margin of each ocellus; the two posterior ocelli much nearer to each other than to the eyes. Scape honey yellow, coarsely punctured, and with short golden pubescence; flagellum testaceous, slightly darker at tips, and covered with fine short white down, the first article nearly as long as the second. Malar space clearly defined, equal to widt of scape. Mandibles with sparse golden hairs, the tooth subtending cmargination on lower horder very large, as broad from tip to bottom of emargination as the remaining width of mandible; tips black and bidentate, but also with a subobsolete median tooth. Thorax with the pubescence golden above and in front, white below and behind. Prothorax apparently without plumose hairs. Mesonotum shining, very sparsely and very shallowly punctured; dise with a median groove; the lateral pairs of grooves in place but the outer ones obsolete except near the hind margin. Metanotum coarsely reticulated, the meshes very large and mostiy subpentangular, two in the middle anteriorly, of the width of the others but as long as four or five, in front of these two side by side are thrown together in one large space; laterally the meshes are smaller and more irregular. Mesosternum evenly coarsely reticulato-punctate, the median teeth comparatively large and long. Legs slightly paler than the body, extreme tips of mid tarsi slightly darkened. Tegulae slightly paler than body. Wings evenly infuscated throughout; the veins are honey yellow, the stigma darker; apex of marginal cell obtusely pointed; the first re- current nervure entering second submarginal cell slightly before the middle of its lower margin; transverso-median nervure joining the externo-median considerably in front of the basal. Abdomen shining and clothed with long golden hairs, the hairs below very sparse, shorter, appressed and on venter of first segment and apex of second more whitish; second and following segments sparsely punct- ate; the usual ‘‘felt lines’’ present on the second segment, and on its apical margin a row of white plumose hairs; no other segments have such rows of plumose hairs, but a few golden hairs back of apical 29 margins on third and fourth segments are plumose. First segment, as viewed from above, long trapezoidal, coarsely rugoso-punctate, lateral tubercles large, its length less than twice breadth at apex, with plumose hairs on basal margin only, rather strongly constricted at juncture with second segment, ventral median ridge with a stout tooth near the basal end; the last two dorsal segments darkened; the last dorsal segment as long as wide at base, opaque, the dise broadly longitudinally depress- ed on either side, minutely punctured near the subtruncate blackened tip, on either side of which is a tuft of fine golden hair. The type of this species was taken in Ormsby county, Nevada. ON SOME HYMENOPTERA COLLECTED BY PROF. C. F. BAKER IN NICARAGUA. BY P. CAMERON. MUTILLIDAE. 3427 Sphaerophthalma anthracia Cany. Biol. Cent. Amer., Hymen. II, 352. Chinandega. 1708 Sphaerophthalma caroli sp. nov. Black, the front, the vertex broadly—the mark rounded and narrowed behind, the thorax above, except for a triangular black mark in the centre at the base, the mark occupying the entire base of the thorax and with its apex rounded, the apical mark breadly rounded above ex- tending to the middle of the metanotum which has the apical half entirely black, two moderately large oval marks on the base of the second abdominal segment and two double their size nearer their apex, of reddish orange pubescence; the sides of the third, fourth, and fifth segments broadly covered with silvery pubescence, darkened slightly with a golden tint; the pygidium covered with long dark fulvous pubescence and transversely striated; the hair on the sides of the head, thorax, and ventral surface silvery. Female. Length 12 mm. The third joint of the antennae is as long as the following two united; the fourth and fifth are brownish beneath. Head wider than the thorax, the temples as long as the eyes; the occiput almost transverse, not keeled, the sides rounded. Thorax fiddle-shaped, the anterior and larger part wider than the posterior, rounded, the sides without distinct teeth. Mesonotum rugosely punctured, the metanotum reticulated, the sides in the middle with three or four small teeth. Pleurae smooth, the apex with a punctured band, which is dilated in the middle. Calearia and tarsal spines bright rufous. Abdomen sessile, as long as the head and thorax united. Comes near to -S. phedyma Cam., and to S. verticalis Sm., with which tit agrees very closely in the arrangment of the pubescent markings. The former may be known from it by the occiput being clearly transverse and with the sides projecting into a keel, the orange on the metanotum too, is not continuous but divided broadly into two parts; the latter has a stout, longish central tooth with a shorter rounded 100 one at its base and apex, on the sides of mesonotum at the base, and the sides of the occiput are more broadly roundly narrowed. San Marcos. 3430 Ephuta chinandegae sp. nov. Black, thickly covered with longish silvery hair and with silvery pubescence; the two basal abdominal segments with a broad band of silvery pubescence on the apex; the coxae, tibiae, and tarsi thickly cover- ed with silvery pile; the femora sparsely haired, the calearia and tarsal spines white; wings fuscous, highly ividescent, the nervures and stigma black. Male. Length 6 mm. Chinandega. Antennae stout, the flagellum covered with a pale pile; the scape more shining, sparsely covered with white hair, hollowed beneath, the sides stoutly keeled; the first joint of flagellum narrowed at the base, about one-half longer than the second. Front and vertex strongly punctured, the punctures clearly separate. Eye incision large; face and clypeus smooth; mandibles with a broad rufous band near the middle, their base thickly covered with white pubescence. Mesonotum coarsely rugosely punctured, almost reticulated, the reticulations in the middle near the apex longer than the others. Seutellum closely rugosely punctured, thickly covered with white pubescence, longer than it is wide at the base, the sides straight, the apex rounded. Central area on base of metanotum large, about three times longer than wide, of equal width, with the apex rounded; the apex of the segment has a straight, oblique slope. The abdominal ‘petiole nearly as wide at the base as it is at the apex, the latter clear- ly separated from the second segment, its ventral keel blunt, not dilated, clearly separated at the base. Pygidium irregularly punctured, the third and following dorsal segments keeled in the middle, the keel on the third and fourth shorter, not extending near to the base of the segment. The fourth abscissa of the radius slightly shorter than the basal and more steeply sloped, the third is not as long as the first and second united, the first recurent nervure is reeeived shortly, but distinetly beyond the middle, the second in the middle. This is an ‘‘ Ephuta’’ as defined by Dr. Ashmead, Canad. Ent. XXXVI, page 7. TIPHIDAE. 3437 Paratiphia fuscipennis sp. nov. Black; the mandibles and apical joint of the tarsi rufo-piceous, the ealearia white, the tarsal spines bright red; the pubescence white, on the last abdominal segment fulvous; wings and nervures’ fuscous. Female. Length nearly 7 mm. San Marcos, Niearagua. Flagellum of antennae brownish helow, covered with a microscopic pile. Head above the antennae strongly punctured, more closely an‘ with the punctures smaller and more closely pressed together on the lower part of the front than on the vertex. Pronotum except at the apex covered with large, deep, roundish punctures; the mesonotum es 101 with the punctures larger and more widely separated; the scutellum has them smaller; the postscutellum is almost impunctate. The lateral keels of the middle area on the metanotum are roundly curved out- wardly and do not wnite at the apex; the central one does not quite reach to the apex outside it; on the basal half is a shorter less distinet keel; the space between this and the outer keel is finely, irregularly, transversely striated; the segment, outside the area, closely striated, the striae oblique, curved, and becoming stouter towards the apex. Upper part of propleurae strongly punctured, the lower obscurely rugose, with some scattered punctures; except at the base the mesopleurae are strongly but not very closely punctured and shining; metapleurae obliquely, distinctly striated, the striae clearly separated and weaker below the middle. Basal segments of abdomen sparsely, the apical more closely and strongly punctured; pygidium closely, finely punctured, except round the sidesand apex; the central part obscure red; the hypopygium smooth in the centre, the sides punctured. 3434 Tiphia marcosensis sp. nov. Black; the underside of the flagellum of antennae and the fore tibiae and tarsi rufo-testaceous; wings hyaline, the nervures and stigma black; palpi fuscous; vertex and front closely and strongly punctured, a smooth space below the ocelli and a short smooth line in the centre of the front. Face closely rugose; the clypeus distinctly punctured, its apex in the centre clearly defined, not quite transverse; the vertex at the sides of the oceili smooth, bare, and shining. The whole head thickly covered with white hair. Pronotum, except for a smooth curved band on the apex, strongly, but not very closely punctured. Mesonotum more strongly punctured, the punctures widely separated, the lateral furrow smooth, moderately narrow and deep, and slightly curved. Seutellum much more closely punctured, if not quite so strongly; there is a small triangular smooth space in the middle at the apex. Basal half of post- seutellum punctured distinctly and closely, the apical half smooth. Metanotum with three keels, the lateral slightly converging towards the apex, smooth and shining, the base of the lateral part obscurely punctured. First abdominal segment shining, rather strongly punctured; the apical transverse furrow narrow and smooth. The furrow on the base of the second segment distinct, strongly striated; the second segment is obseurely punctured, the third and fourth at the basal half smooth, the apical smooth; the others closely, strongly punctured. Wings hyaline, iridescent, the basal and apical abscissae of the radius roundly curved; the first transverse cubital nervure straight, not oblique; the second shaped like a reaping hook, the ‘‘handle’’ on the lower side, about one-fourth the size of the rest. The first recurrent nervure is received shortly beyond the midd’e of the cellule, the second near the base of the apical fourth. Calearia and tarsal spines white. The metanotum appears shorter than usual, being only as long as the seutellum. Male. Length 7.5 mm. San Marcos, ple ae 3433 Tiphia granadaensis sp. nov. Black, rather densely covered with white hair; the flagellum of anten- nae rufo-testaceous; centre of metanotum with two keels which converge slightly at the apex; wings clear hyaline, the nervures and stigma black. Male. Length 5 mm. Granada, Niearagua. Lower part of front, face, clypeus and base of mandibles densely covered with silvery pubescence; the front and vertex punctured, the former more closely and not so strongly punctured, its base bordered by a stout keel. Mesonotum sparsely punctured, most strongly in the - centre, the apex in the middle with an oblique slope. Scutellum sparsely indistinctly punctured. The central area on the metanotum is smooth, the two keels at the base are slightly curved outwardly; in the basal half is a stout keel, with a minute one on either side; on the sides, inside the spiracles, is a double curved keel. Pleurae sparsely pilose; the metapleurae bare, shining, irregularly longitudinally striated. Across the apex of the petiole is a crenulated furrow; the base of the second segment is depressed and striated; the apical segments are densely covered with longish white hair. The fore tibiae and tarsi are testaceous. The bassal abscissa of the radius has a short basal and a longer straight apical curve; it is not much shorter than the second, the third is the shortest and ‘is roundly curved at the apex; the second transverse cubital nervure is broadly roundly curved. The furrow on the sides of the meso- notum is narrow and rondly curved. Palpi dark testaceous. Mandibles blackish. The scutellum is distinctly punctured, except the sides in the middle; the postscutellum is more uniformly punctured. Comes close to T. testaceipalpis Cam. (Invert. Pacifica, I, p. 69), having like that species two keels on the metanotum, if we do not count the half length keel on the basal half. ICHNEUMONIDAE - MESOSTENINI 3465 Mesostenoideus bakerianus sp. nov. Black, the face, clypeus, inner orbits, the lower half cf the outer orbits entirely, malar space, the base of the prothorax, a broad band on the edge of the pronotum, tegulae, a conical mark—the base trans- verse—the apex narrower and rounded, scutellum except on the basal slope, its keels, postscutellum, the sides of the metanotum broadly, the marks covering the spines, tubercles, the lower half of the mesopleurae, the mesosternum except the furrow, a large mark below the hind wings, the lower half of the metapleurae and the apices of the abdominal segments—the bands on the second and third broader than the others— yellow. Legs pale yellow; all the femora broadly black above, the tro- chanters spotted with black; the fore coxae black below, the two post- erior broadly black in the middle above; the apical joints of the four fronttarsi black. Wings hyaline, the stigma and _ nervures black. Antennae broadly ringed with white. Female, Length 12 mm.; terebra 4 mm. Chinandega, Nicaragua. 108 Shining. There is a stout keel down the middle of the front, with short irregular ones on either side of it close to the ocelli. Face and clypeus with some scattered punctures, the former with some irregular striae on the dilated centre above. Pronotum dilated near the base. Mesonotum strongly, but not very closely punctured, the base of the three lobes almost smooth, the sides of the central striated near the base. Base of scutelium strongly, but not closely punctured, the apex almost smooth; the centre, between the spines, irregularly obliquely striated, the apical slope more strongly transversely striated. Upper part of metapleurae strongly, closely, obliquely striated, the striae interlac- ing in the middle; the lower part punctured and striated. Apex of propleurae above the middle rather strongly striated, the top punctured. Mesopleuree punctured helow, the base striated; the apex below strong- ly, obliquely striated, almost reticulated. Abdomen smooth. Tarsi closely spinose. MESOLEPTINI. Neleothymus (?) rufo-ornatus sp. nov. Black; face. clypeus, the eye orbits (more broadly before than behind), mandibles except at the apex, palpi, two lines obliquely dilated on the outerside on the basal half of the mesonotum, tegulae, scutellum and tubercles, lemon-yellow; the apices of the third, fourth, and fifth ab- dominal sezments rufo-testaceous; the upper half of the propleurae and the apical half of the middle lobe of the mesonotum sanguineous. The four front legs testaceous, paler, more yellowish in front, their coxae and trochanters lemon-yellow; the hind coxae and trochanters black, yellow at the apex; the femora red, their tibiae blackish, broadly yellow in the middle above, the tarsi blackish, Wings hyaline, the costa fuscous, the nervures and stigma darker colored; the recurrent nervure is received shortly beyond the only transverse cubital nervure, there being no areolet. Male. Length 8.9 mm. Chinandega. Face and cheeks punctured, thickly covered with silvery pile, the clypeus more shining, obscurely punctured only above, clearly separated from the face. Thorax closely, distinetly punctured, thickly covered with a silvery pile. Seutellum flat, punctured, keeled laterally at the base. Median segment regularly areolated, the areola longer than wide, five-angled, the base sharply pointed, the apex transverse; the spiracles minute, oval. The metas!ernum bordered by a stout keel. Fore tibiae very long, the basal two joints united being longer than the tibiae. Wings short, the stigma 'arge, the radius ieaving it shortly beyond its middle; the transverse ::edian nervure interstitial. Antennae shorter then the abdomen, black, the basal two joints yellowish below. Fifth tarsal joint longer than the fourth. In the absence of a female I am not quite certain as to the generic position of this species in the Foersterian-Ashmeadian system. VESPIDAE. 3446 Humenes nicaraguaensis sp. nov. Black, the greater part of the eye incision, a narrow line on the top of the outer orbits, a line on the sides of the clypeus above, the basal third of the mandibles, a conical mark above the antennae, its narrow end above, a line along the base of the propleurae, one along the upper edge of the pronotum ail round, uniting in the middle with the lower oblique line, a narrow line on the base of the scutellum, post-scutellum, a line on the centre of the narrowed base of the first abdominal segment, a narrow line on its apex, with a mark touching the base of the line on the sides and a broader more irregular line on the apex of the second, bright yellow. Wings fuscous, highly iridescent, the nervures and stigma black, the latter shining. The lower part of “the front, eye incision, face and elypeus pale golden, the pubescence on the rest of the body silvery. Male. Length 6 mm. to end of second abdominal segment. Chinandega. Front and vertex strongly but not closely punctured except at the sides of the antennae. Antennae stout, a narrow yellow line on the apical half of the scape; the claw stout, slightly longer than the apical joint. Clypeus smooth, indistinetly punctured in the middle, the apex distinct- ly projecting in the middle, the projection twice wider than long, its apical half roundly incised. Thorax strongly and moderately closely punctured, except at the base of the metapleurae. Median segment broad- ly rounded, the apex with a steep slope and not furrowed. The oblique furrow on the mesopleurae is deep and clearly defined. Abdominal petiole clearly longer than the head and thorax united, its dilated pyri- form apex about one-fourth shorter than the narrowed basal part, its lower surface is for the greater part sordid yellow, and there is a distinct transverse furrow close to the apex; the second segment cam- panulate, clearly longer than its width at the apex. Legs black, the knees and apex of fore tibiae testaceous. Body shining, polished, the thorax short, cubital in front, globular behind, more than twice the length of the ‘‘pear’’ of the petiole. Ocelli almost in a straight line. The second eubital cellule is narrowed in front, not quite half the length it is behind; the third is large and is clearly wider in front than behind. Belongs to Saussure’s Division Omicron (Syn. of Amer. Wasps, p. 70}. It seems to be sufficiently differentiated from ‘‘regulus’’ by the longer elypeus compared with its width, it being also wider above. not so clearly narrowed and its apex is clearly bidentate. Judging by Saussure’s figure (Pl. I, f. 7 b) the abdominal petiole is longer compared with the head and thorax; in regulus it is shorter than the head and thorax; in the present species clearly longer than the two combined. The second recurrent nervure is not interstitial as it is in FE. toton- acus; in that species, too, the antennal hook is ‘‘very small.’’ £E. aviculus should, inter aila, be known by its strongly punetured abdomen. 105 DESCRIPTIONS OF NEW SPECIES OF TIPHITDAE FROM NEVADA AND SOUTHERN CALIFORNIA. BY P. CAMERON. Very little has been done towards the elucidation of the North Amer- ican species of Ziphia and the allied genus of Paratiphia. It is not surprising therefore that Prof. Baker has discovered several undescribed species, Only one species of Paratiphia has hiterto been recorded from North America, namely, albilabris Spinola; Saint Fargeau, Nat. Hist. des Hymen. III, p. 556, from California, which I have not been able to recognize from the too short description, which might be sufficient if only one species were known, but is quite inadequate when it fits two or three. It seems to be larger than any of the males known to me. ‘Io complete my paper I give the description of ‘‘albilabris’’: ‘‘ Entirely black, with yrey hairs. Clypeus white. Abdominal segments ciliated with grey hairs. Legs black, their pubescence gray. Wings hyaline, nervures and costa red; stigma and tegulae black. Male. Length three and one-half lines. California.’’ There is an interesting sexual distinction shown by the males and females of Paratiphia. In the females there is only a somewhat tri- angular area on the base of the metanotum; in the males there are two rows of longitudinal keels, forming small areae. The species which I described in the Biol. Cent. Amer. II, pp. 235-239, under Epomidiopteron are to be referred to Paratiphia, which I then could not very well separate from the descriptions given by Sichel (Saussure, Cat. Spec. Gen. Scolia, pp. 264-269). According to Ashmead, Canad. Ent. 1903, p. 39, ‘‘Epomidiopteron DeRomand is some thing quite different and is apparently allied to Engycistus \ox. In the fe- male of De Romand’s genus the radial cellule is closed at the apex, the fore tibia is produced into a long acute spine at the middle, and in the male the first transverse cubital nervure is entire, not obliterated at the base.’’ I have not access to DeRomand’s paper, and cannot, there- fore, come to any conclusion in the matter; but I may point out that Smith shows in his plate FH julii ©DeRom. to have a broken first transverse cubital nervure and seems to be congenerie with Para tiphia 12-maculata. J’am., Trans. Amer. Ent. Soc. XXX, 94. These large, yellow-spotted species appear certainly different from the small, black, densely haired ones. Smith’s Tiphia clypeata, male, (Deser. of New Species of Hymen. p- 187) from Mexico is no doubt a Paratiphia, judging from its white mouth and mandibles. The metathorax is described as ‘‘longitudinally rugose; the usual three carinae not distinctly observable, but parallel and rather wide apart.’’ 106 8435 Paratiphia robusta sp. nov. Black, densely covered with long white hair, which on the apex of the abdomen is fulvous in tint; wings hyaline, slightly tinged with fulvous, the stigma and nervures black. Area on base of metanotum almost triangular, but the keels do not unite at the apex; they are slightly curved; in the centre is a stout longitudinal keel; the area is irregularly reticulated; the basal part of the metanotum is closely, finely punctured, more finely on the inner than on the outer side; the spiracles are bordered on the inner side and behind with some longish striae; the apex, behind the keel, is bordered by stoutish striae; the apical slope is rough, the centre irregularly transversely striated. Base of pronotum strongly punctured; the mesonotum is smooth in the centre and more narrowly on the sides, the rest punctured but not so strongiy as the pronotum; in the centre of the smooth part are four large punct- ures forming a row. The sides of the scutellum bear scattered punctures. Pleurae closely, strongly punctured; the propleurae striated behind the middle; the metapleurae more regularly and strongly striated. Hind tibiae on the outer side covered with eight short stout blunt spines besides the apical; they become longer towards the apex; the apex above ends in a spine which is curved above, straight below and sharp, pointed; opposite it is a broader one of equal length and bluntly rounded at the apex. The abdomen is closely strongly punctured, the pygidium bare and smooth. The abdominal hairs fringes are long and dense. Mandibles piceous towards the apex, their upper side deeply grooved. Female. Length 13mm. Mountains near Claremont, California. ? The following three small females described here may be distinguished as follows: A. The area on metanotum wide, as long as its width at the base varipunctala AA. The area on metanotum longer than the wideth at the base. B. The keel on metanotal area stout, opaque, the area obliquely striated; wings fuscous .... 21.0. 22. snse = <1 Suscipennis. BB. The keel on the metanotum smooth, not stout, the area sparsely punctured; wings hyaline ........ .-++ fuscinerva. 3436 Paratiphia varipunctata sp. nov. Black, covered with white hair, the hair on the apex of the pen- ultimate and on the base of the last segments, golden; the pygidium rufo-piceous; wings hyaline, the stigma and nervures black. The two central keels on the metanotum unite at the apex which is narrowed an rounded; the keels are roundly curved; in the centre of the area is a narrow keel, which reaches to the narrowed apical part; on either side of it, near the middle, are two small irregular striae; the sides of the metanotum are closely rugosely punctured and more or less obliquely striated; the apex behind the keel is depressed and stoutly striated, the striae clearly separated. The area is longer than its width at the base. Centre of pronotum stoutly punctured. There is a row of. punctures along the base of the mesonotum; the sides bear large irregularly scat- tered punctures. In the centre of the scutellum are three large punctures in a line; the sides are irregularly punctured. Propleurae closely, strong- ly punctured, the upper half of the apex smooth, the lower striated. Mesopleurae strongly and closely punctured. Metapleurae closely striat- ed except at the base below. Abdominal segments, except the last, close- ly punctured. Wings hyaline, the nervures and stigma black; the basal abscissa of the radius, if anything, longer than the second. Middle of mandibles rufous. Female. Length 9 mm. Ormsby county, Nevada. Legs thickly covered with white hair; the apices of the tarsal joinis incline to rufous; on the hind tibiae are eight spines, stout, all longer than thick and becoming longer towards the apex; they are dark rufous. Calearia white. 3440 Paratiphia fuscinerva sp. nov. Black, not very thickly covered with silvery pubescenceé the apices of the clypeus and mandibles are rufous; wings hyaline, the stigma black, the nervures fuscous—almost testaceous, the basal abscissa of the radius shorter than the second. Metanotal area distinctly longer than its width at the base; the apex not separated, transverse; the central keel narrow; the sides near the keel irregularly punctured. Head strong- ly punctured, the ocellar region smooth. Basal half of pronotum closely punctured, the apical smooth. Mesonotum rather strongly punctured, the sides smooth. Scutellum punctured laterally and at the apex, and with two punctures in the middle. Upper half of propleurae punctured, the lower covered with roundly curved striae. Mesopleurae punctured, the metapleurae obliquely striated. Legs thickly covered with white hair; the apices of the tarsi and their spines rufous; the tibiae with seven teeth, the basal short, blunt, indistinct, the last (and outer) much thin- ner than the others and slightly longer than the penultimate. Length 45 mm. Ormsby county, Nevada. This is a smaller and more slenderly built species than vari. punctata; it may be easily separated from it by the metanotal area being narrower and clearly longer than wide. 108 The following three males here described may be separated by the followin table: A. The basal abscissa of radius one fourth of the length of Sool, byway f wih, Sgesnocsouescacaooc cco ctsies MMLEDOOENSES, AA. The basal abscissa of radius at least one-half the length of a radius. Length over 7 mm. B. The keel on pygidium stout, on the basal half only; the mandibles yellow beyond the middle ........... claripennis. BB. The keel on pygidium narrow, extending from base to apex; the mandibles yellow at base only ......... bakeri. 3441 Paratiphia nevadensis sp. nov. Black, covered with longish white pubescence, the eclypeus white; the mandibles obscure yellow at the base; wings hyaline, the nervures and stigma black; the basal abscissa of radius one-fourth the length of the second. Head closely punctured, a small smooth space before the ocelli. Pro- and mesonotum closely punctured, the scutellum as strongly but not so closely punctured as the mesonotum. Base of metanotum with two rows of areae, longer than wide, the two rows separated by a transverse keel; the second row has an oblique slope; the apex coarsely shagreened, obscurely, finely striated. Propleurae punctured closely above, the middle depressed and with stoutish keels; the apex smooth. Mesopleurae closely but not strongly punctured. Metapleurae irregularly, stoutly, not very closely striated. Basal two abdominal segments ¢losely, distinctly, the others sparsely, punctured. Pygidium keeled down the middle and along the sides; the sides with large, deep, clearly separated punctures. Hind tibiae with the spines short, black; there are about eight on the outer row. Calcaria and tarsal spines white. Male. Length 6 mm. Ormsby county, Nevada. This species is readly separated from the other species here described by the short basal abscissa of the radius; in the other species it is longer, being more than half the length of the second. 3439 Paratiphia claripennis sp. now. Black, shining, densely covered with cinerous pubescence; the elypeus, and mandibles except at the apex, yellowish white, as is also the lower part of the face. Wings clear hyaline, the stigma fuscous in the middle; the nervures black, the basal rufous; the basal half of the radius three- fourths of the length of the second. Pygidium strongly, deeply punet- ured, a broad smooth line in the center of the apical half; the hypo- pygium with a broader smooth line down the centre, the line dilated at the base. Front and vertex closely strongly punctured; there is a tri- angular smooth space below the ocelli, this space being slightly raised, there is a smooth spot at their sides. Thorax closely strongly punct- ured, the apex of propleurae striated. Mesopleurae more strongly punct- i . 109 ured Metapleurae with the apex and upper basal half strongly striated, the lower basal half rugosely punctured. The two basal areae on the metanotum are smooth and shining, about one-quarter longer than wide, of equal width throughout and with the apex transverse. Male. Length 7 mm. Ormsby county, Nevada. 3438 Paratiphia bakeri sp. nov. Black, densely covered with cinerous pubescence, the clypeus and a mark on the basal third of the mandibles yellowish white, the apex of the mandibles rufous; wings clear hyaline, the stigma and nervures black; the first abscissa of radius slightly shorter than the second. Male, Length 8 mm. Ormsby county, Nevada. Front and vertex closely and strongly punctured, a smooth space in front of and at the sides of the ocelli; the hair on them long and dense. Clypeus sparsely, but strongly punctured its apex in the middle broally roundly projecting. Pronotum strongly closely punctured to the basal transverse keel, its apical slope coarsely shagreened. Mesonotum with two rows of transverse punctures near the base; the sides and apex irregularly punctured, the centre smooth. Scutellum strongly, closely punctured, the postscutellum more closely and rugosely punctured. The two rows of areae on the base of metanotum are large and deep, the central two are large, wde, about one-half longer than wide and with the apex rounded, not transverse, the apical slope punctured, Pro- and mesopleurae closely and strongly punctured, the latter more closely than the former. Abdomen closely strongly punctured; the pygidiu:n with a smooth narrow keel down the middle, extending from the buse to the apex, the sides with large, deep, clearly separated punctures; there is a smooth broad line down the centre of the hypopygium. Hind tibiae with eight spines, the basal three small and close together. 110 Abe es Se @rey ener INVERTEBRATA PACIFICA TO DATE 7 Vol. I, pp. 1-12, HOMOPTERA (On the Gnathodus species of the Abdo- minalis group, C. F. Baker; A New Genus of the Typhlocybini, C. F. Baker; The genus Erythria in America, ©. F. Baker; New Typhlocybini, C. F. Baker; Notes on Macropsis, GC. I. Baker). Price 30 cents. V vol. I, pp. 18-16, ORTHOPTERA (First Decade of Orthoptera issued in VA Vol. Vol. the Invertebrata Pacifica series, C. I’. Baker; Additional Notes on Pacifie Coast Orthoptera, C. F. Baker; New Orthoptera from Neva da, A. P. Morse). Price 10 cents. I, pp. 17-40, DIPTERA (Reports on Californian and Nevadan Dip- tera, I, C. F. Baker, with descriptions of new species and genera by D. W. Coquillet; Two New Siphonaptera, C. F. Baker). Price 60 cents. 1, pp. 47-70, HYMENOPTERA (Descriptions of some new Hymen- optera from California and Nevada, J. J. Kieffer; New Hymenop- tera mostly from Nicaragua, P. Cameron). Price 75 cents. I, pp. 71-84, ORTHOPTERA (Second Report on Pacific Slope Or- thoptera, C. F. Baker, with descriptions of new species by J. A. G. Rehn and C. F. Baker). Price 35 cents. I, pp. 85-92, NEUROPTEROID INSECTS (Notes on Neuropteroid Insects of the Pacific Coats of North America, C. F. Baker, with descriptions of new species by Nathan Banks). Price 20 cents. I, pp. 93-110, HYMENOPTERA (New Western Mutillidae, I, C. F. Baker; On Some Hymenoptera collected by Prof. C. F. Baker in Nicaragua, P. Cameron; Descriptions of, new species of Tiphiidae from Nevada and Southern California collected by Prof. C. F. Baker, P. Cameron). : Price 45 cents. Address: Cc. F. BAKER Estacion Agrondmica. SANTIAGO DE LAS VEGAS Imprenta, Manzana de Gomez. CUBA VoL. 1, PP. 111-132. OcTOBER 27,1900. _ INVERTEBRATA PACIFICA Edited by C. F. Baker, Estacién Agronémica, Santiago de las Vegas, Cuba. HYMENOPTERA NEW WESTERN MUTILLIDAE.—II IBY (Ce Ee BAKE Genus Photopsis Blake. Here belong a large part of the male forms which fly to light at night so commonly in many parts of the west. Sometimes dozens may be collected on a single evening and then again weeks may elapse without seeing one. Hence it is only through residents in the southwest that ade- quate collections will ever be made or the sexes properly associated. The following forms are, of course, all described from males. Among these species, the two posterior ocelli are usually about the same distance from each other as from ‘the eyes. The reticulation of the metanotum is as a rule much more regular than in Odontophotopsis, and the abdominal fringes of plumose hairs occur on rarely more than one or two segments in these species and gre sometimes entirely wanting. Synopsis of the New Species Described. I I A.—Legs mostly blackish; length 12 mm.; pubescence of abdomen whi- PISMO ESCAMG ste lke o) ) we mk! CU CC melandert. AA.—Legs pale yellow or ferruginous. oe B.—Antennae pale ferruginous, unicolorous. /. - ~ of —_ C.—Puhescence of abdomen ochraceous and short. . (6 i CC.—Pubescence of abdomen white and long. D.—Second abdominal tergite with a fringe of plumose Prey Nave ~ at On | fy i E.—Manidibles very deeply emarginate, forming a very large ~‘'@! mu and prominent subtending tooth. . . . .uniformis. EE.—Mandibles shallowly emarginate, forming 4 low broad LOOT. i ear eee. . CUSthtUsO. DD.—Second abdominal tergite entirely lacking a fringe of MMOS CMOGES tees we ees | e - NUdatus. ii sat BB.—Antennae with flagellum black or piceous, in striking contrast to the pale yellow scape. C.—Length 9 mm. or over; second submarginal cell large, sharply pentangular. D.—Legs honey yellow in striking contrast to the body. Es—Length 12-13 mm. 3 7. 25. *. 2) ee ee pedauie HE —WLength 9) mime 7 eet SP eaTHO e72UTE RS DD.—Legs concolorous with body. ». . . . . . insignis. CC.—Length 7 mm.; second suhmarginal cell small, suboval difficilis. 4333 Photopsis melanderi n. sp. Length 12 mm., with terminal segments extended. Dark ferruginous in color, with legs piceous, the second abdominal segment darkened apically and with a conspicuous white hair band. Pubescence mostly white. Antennae nearly all piceous including portions of scape, the funicular article lighter, second article of flagellum distinctly longer than first. Mandibles tridentate, the lower margin with merely a small swelling back of the middle. Head concolorous, the ocelli appearing black. The small, depressed, very strongly punctate area on upper part of mesopleu- rae not sharply demarked, the remaining surface as coarsely, strongly, and evenly reticulato-punctate as that below. Scutellum coarsely pune- tate, the punctures distinctly separated anteriorly. Metanotum coarsely and evenly reticulato-punctate as that below. Scutellum coarsely pune- line four of the spaces are thrown together forming two longitudinal areas. Wings slightly smoky, especially along the anterior border and some streaks within the outer cells; second submarginal cell large and pentan- gular. All femora and tibiae piceous to black. First abdominal tergite coarsely rugoso-punctate, nearly smooth api- cally, the ventral ridge crenulate and straight. Felt lines concolorous. Fringes of plumose hairs occur on second and third segments. The Rey. Mr. Birkman collected this species in Coryell county, Texas. I can not.refer it to any previously described Texan species. It is dedica- ted to our latest student of Texan mutillids. 4334 Photopsis indigens n. s. Length 9 mm. Color ferruginous, with antennae and legs uniform dark testaceous, the abdomen slightly darkened apically. Pubescence mostly ochraceous, that on abdomen con paratively short. . Antennae pale testaceous hasally; second article of flagellum distinctly longer than first. Mandibles on the lower margin with a broad emargina- tion which is subtended by a very large black tipped tooth which is di- rected distad. Head concolorous, the ocelli appearing silvery. The depres- sed very sparsely punctate area on upper part of mesopleurae is very large, the sculpturing on the narrow remaining surface very much weaker = 2s 1 state! than that on lower portion of mesopleurae. Scutellum entirely, coarsely reticulate; anteriorly with four longitudinal areas, the two inner formed by the coalescence of four meshes of the reticulum, the two outer by the coalescence of two each. Wings with the outer half smoky, a hyaline area on the second recu- rrent nervure; second submarginal cell large and pentangular. All tarsi slghty darkened. First abdominal tergite very coarsely punctate except on apical border, the erenulate ventral ridge bluntly toothed near the base. Felt lines con- colorous. A fringe of plumose hairs on second segment only. This species was collected by the author in King’s Canon, Ormsby county, Nevada. 1704 Photopsis uniformis n. sp. Length 10 mm. Ferrug-nous, legs and antennae testaceous, the flage- llum skghtly darker. Second article of flagellum slightly longer than the first. Mandibles tridentate, the lower margin anteriorly cut out to half the basal width of mandible, the emargination subtended by a very large bluntly pointed, slightly darkened tooth. Area within ocelli black. The depressed sparsely punctate area on upper part of mesopleurae is very large and broad, the narrow border remaining being very much more weakly sculptured than the lower portion of the mesopleurae. Scute- Hum reticulato-punctate. Metanotum coarsely and very regularly reticu- lated, with four larger longitudinal areas anteriorly, the two inner each formed by the coalescence of three meshes of the reticulum, the outer by two each. Wings slightly smoky on outer half, with a hyaline area over the se- cond recurrent nervure. First abdominal tergite coarsely rugosely pune- tate at base, to nearly smooth at apex, the ventral crenulate ridge stoutly triangularly toothed basally. Area of felt lines black. The second seg- ment only with a fringe of plumose hairs. Specimens of this species were taken occasionally at Claremont, Los Angeles county, California. 4335 Photopsis abstrusa n. sp. Length 11-12 mm. Color dark ferruginous, the legs and antennae paler. Pubescence long, mostly white and unusually copious, especially on ab- domen. Second article of flagellum but slightly longer than the first. Mandibles with the inferior tooth unusually large, the lower margin shallowly emar- ginate on apical half, the subtending tooth low, broad, and very blunt. The silvery ocelli are ringed with black. The depressed area on mesopleurae above is thickly punctured, boun- ded caudad by a sharp ridge, beyond which the sculpturing is far weaker and finer than that on lower portion of mesopleurae. Seutellum wholly reticulato-punctate. Metanotum very coarsely but not uniformly 114 reticulate, anteriorly with four or five of the meshes arranged longitudi- nally on either side of the median line, the first three or four thrown together. Wings with outer half irregularly somewhat smoky; a hyaline area on second recurrent nervure; second submarginal cell large and pentangular. First abdominal tergite rugosely punctate basally to nearly smooth api- cally, the crenulate ventral ridge very weak and with a small tooth at dxtreme base. Felt lines concolorous. A fringe of plumose hairs on the second segment only. Occasional at Claremont, California. 4344 Photopsis nudata n. sp. Length 11 mm. Color light ferruginous, the legs proximally, and the antennae, somewhat paler. Pubescence mostly white and quite copious, especially on the abdomen. Second article of flagellum but slightly longer than the first. Mandibles with the emargination below barely evident and the subtending tooth very small. Interocellar space piceous. The depressed area on mesopleurae above is very large and shallowly reticulato-punctate, bounded caudad by a sharp brown carina which is extended the whole length of the sclerite; caudad of the carina the sur- face is far more weakly sculptured than below. Metanotum very strongly and coarsely but quite irregularly reticulate, the meshes varying much in size and number of angles. Wings with the outer half smoky and with a hyaline area over the second recurrent nervure; second submarginal cell pentangular, the marginal unusually distinctly truncate. TPirst abdominal tergite rugosely punctate basally to nearly smooth apically, the crenulate ventral ridge strong and bisinuate but without prominent teeth. Felt lines concolorous. The second segment entirely lacks a fringe of short plumose hairs though it has many long simple ones. Collected at Claremont, California. In the absence of a fringe of plu- mose hairs on second abdominal segment and in the mesopleural charac- ters this species differs remarkably from all others of this collection. 4336 Photopsis difficilis n. sp. Length 6.5 mm. Color light ferruginous, the legs, scape, and funicular joint of antennae, testaceous, the flagellum piceous. Pubescence mostly whitish and quite copious. Second article of flagellum a fourth longer than the first. Mandibles tridentate, below not very deeply emarginated but the emargination subtended by a very large and prominent bluntly rounded tooth. Interocellar space piceous. Mesopleurae including most of the depressed area above evenly coarse- ly reticulato-punctate. Metanotum quite regularly reticulate with four large areas anteriorly, two median longitudinal each formed by the coa- lescence of four meshes, and two short basal transverse areas outside of these formed by the coalescence of two meshes of the reticulum. Wings 115 with outer half very slightly smoky; second submarginal cell small, about half of the length of the first, its angles all rounded, making its general form oval. First abdominal segment much shorter and thicker than usual, above reticulato-punctate throughout, the crenulate ventral ridge strongly si- nuate and with a sharp basal tooth. Felt lines concolorous. Segments II and III have well developed apical fringes of plumose hairs. This well narked little species was taken at Claremont, California. 4337 Photopsis insignis n. sp. Length 9 mm. Color ferruginous throughout, the tibiae and tarsi a little darker and the flagellum piceous. Pubescence mostly bright ochraceous, rather short on the abdomen. Mandibles tridentate, emargination deep and subtended by a very large, blunt, dark tipped tooth. Head conco- lorous. Ocelli black, the two posterior distinctly nearer to each ather than to the eyes. Mesopleurae reticulato-punctate, smooth for some distance over the mid-coxae, above with a rather sharp transverse groove, the sparsely punctate area small, not sharply demarked, the remainder sculptured like that below. Scutellum with rather sparse indented punctures. Metanotum coarsely, sharply, but quite irregularly reticulate with four median lon- gitudinal areas at base, the two median each formed by the coalescence of about four meshes, the two lateral each by about two meshes of the reticulum. Wings with outer half smoky and a hyaline area over second recurrent nervure; the second submarginal cell is large and sharply pen- tangular. First abdominal tergite rugoso-punctate to near the apex, the crenulate ventral ridge strongly sinuate and with a sharp tooth at base. Felt line concolorous. The second segment only has an apical fringe of plumose hairs. Oceasional at Claremont, California. 4338 Photopsis pedatus n. sp. Length 12-13 mm. Color pale ferruginous, the legs, scape and funicular article of antennae testaceous, the flagellum piceous. Pubesecence above largely pale ochraceous. The bidentate mandibles have the lower side very deeply emarginate leaving the distal portion unusually slender, the subtending tooth large, broad, and very bluntly rounded. Interocellar space slightly darkened; the hind ocelli large and nearer to each other than to the eyes. Mesopleurae deeply cut to three fourths of the width by a deep trans- verse groove, the dise below this strongly rticulato-punctate, above the depressed area is sparsely punctate and the remaining ridge rugoso-punc- tate. Seutellum coarsely rugoso-punctate. Metanotum coarsely, sharply and somewhat irregularly reticulate, with four basal areas, two median longitudinal formed by coalescence of about three meshes and two outer 116 large triangular areas formed by about three meshes not in line; these lateral areas are sparsely covered with plumose hairs. Wings with outer half smoky, a darker area near the hind margin and several milky hyaline streaks in the submarginal and third discoidal cells; the second submavr- ginal cell large and sharply pentangular. ; First abdominal tergite rugoso-punctate to near the apex; the crenulate ventral ridge strongly concave and with a large tooth near the apex and another sharper one near the base. The area of the felt lines is black. Segments II, 11J, [V and V with apical fringes of plumose hairs, the first very dense, the last very thin. This was one of the commonest species at Claremont, California. Photopsis ingenuus n. sp. Length 9 mm. In color almost the exact counterpart of P. pedatus ex- cept paler, and with the whole thorax very much paler, almost yellowish. In structure this form differs from pedatus in the following points: The ocelli are about as near to each other as to the eyes. The mesopleural transverse groove is scarcely evident, the depressed area is very sparsely punctured, while but a small part of the longitudinal swollen portion is sculptured and that indistinctly rugoso-punctate. Genus Chyphotes Blake. Synopsis of the New Species Described. A.—Wings with two submarginal cells; pleurae entirely and quite uni- formly rugoso-punctate. 3.—Head with upper part piceous; first and second articles of flagellum about equal; median meshes on metanotum regularly, sharply pen- PANS ULET: 595,050. cet se ep ee ac el ean oe re BB.—Head with upper part concolorous; second article of flagellum shorter than first, median meshes on metanotum above long and narrow, at the sides larger and subpentangular californicus. AA.—Wings with three submarginal cells; portions of pro and meso- pleurae smooth, without punctures. B.—Length 7-8 mm.: head piceous; second article of flagellum longer than first; metanotum with very large, shallow, irregular reti- CuUlabIONSs a) c= meshes .subpentangular, some of them with punctures within. Wings with two submarginal cells, the seeond as large as the first and receiving the two recurrent nervures in the basal half; apical half of wings sucky, this area traversed by four radiating bands of hyaline. Petiole as long as the nodose portion of the first abdominal segment. First and second tergites for most part very coarsely and regularly rugo- so-punctate. Taken at Claremont California, This is apparently close to melaniceps. The present species differs by having the hairs of the head ochraceous, the face below daik, and in other details which will be apparent in a comparison of the descriptions. 4047 Chyphotes californicus n. sp. Length 10.5 mm. Dark ferruginous, though not as dark as __ belfragei. The pubescence is pale ochraceous and the legs and antennae are uniform testaceous. Head entirely concolorous. Head broadly rounded back of the eyes. Hind ocelli much nearer to each other than to the eyes. lirst article of flagellum longer than second. Metanotum with evenly distributed but widely separated punctures. The pleurae have coarse but separated punctures, somewhat rugoso-punctate on metapleurae and upper part of mesopleurae. Scutellum rugoso-pune- tate. Metanotum with a distinet reticulum, the meshes subrectangular, several times longer than wide and each with a large puncture within near base. Wings with two submarginal cells, the second as large as the first and receiving the two recurrent nervures*in the basal half; apical half of the wings smoky, this area traversed by four radiating bands of hyaline. Petiole two-thirds as long as the nodose portion of the first abdominal segment; the rugosities of the petiole above become strong transverse ridges caudad. First and second tergites for most part thickly ‘‘spatter- punctured ’’.* Taken at Claremont California. This apparently finds its nearest rela- tive in peninsulari from Lower California. 4044 Chyphotes similis n. sp. Length. 7-8 mm. Rather dark ferruginous, quite thickly clothed with sordid whitish pubescence; legs, scape and funicular joint of antennae testaceous; abdomen darkened apically; head above antennae picéous. _*. Covered with q-formed marks having a puncture within at the apex, resembling a mark made by throwiag a pebble obliquely into a smooth sur- face of soft mud. 118 Head narrowly rounded behind the eyes. Hind oeelli slightly nearer to each other than to the eyes. First and second articles of flagellum of about the same length, with extreme base of the first testaceous, the re- mainder of the flagellum nearly concolorous with the body. Mesonotum with shallow remote punctures. Scutellum medially almost smooth, rugo- so-punctate around the sides. Pro-and metapleurae rugoso-punctate, the mesopleurae anteriorly remotely punctured, posteriorly smooth. Metanotum with a strong reti- culum, but with meshes very irregular in size and shape, the surface within the meshes minutely wrinkled. Wings with three submarginal cells, the second about half the size of the: first, sub-ovate, and receiving the two recurrent nervures, one near the base and one near the apex; the third submarginal cell is subrectangular, a little wider above, and not half the length of second; apical half of wings smoky, this area traversed by four radiating bands of hyaline. Petiole not quite as long as the nodose portion of the first abdominal segment. First tergite and anterior portion of second, coarsely ‘‘spatter- punctured’’, remotely so posteriorly on the second tergite; above on pe- tiole and base of nodose portion, the punctures are arranged tranversely, forming distinct ridges. Taken at Claremont California. Apparently related to nubeculus of Colorado in general characters, but it lacks entirely the ventral tufts said to be most strikingly characteristic of that species, 4347 Chyphotes nevadensis n. sp. Length 11 mm. Rather dark ferruginous, thickly clothed especially on the abdomen with ochraceous pubescence; legs pale testaceous; anten- nae honey-yellow; abdomen slightly darkened apically; head concolorous. Head narrowly rounded behind the eyes. Hind ocelli about equally dis- tant from each other and the eyes. First and second articles of the fla- gellum of about the same length. Mesonotum with shallow, remote, large, and ill-defined punctures. Scutellum uniformly covered with large, thickly placed, but rather shallow punctures. Propleurae nearly smooth, meso- pleurae anteriorly coarsely, evenly, rugoso-punctate. Metanotum with a very strong, sharply defined reticulum which is quite uniform except in a small area on the anterior border where it is finer and more dense; the meshes are large, but very irregular in shape owing to the wavy nature of the bounding ridges; the surface within the meshes is apparently nearly smooth. Wings with three submarginal cells, the second scarcely half the size of the first, subtriangular and receiving the two recurrent nervures, one just behind the middle, the other near the outer border; the third submarginal cell subrectangular, a little wider above and more than half the length of the second. Apical half of wings smoky, unusually dense in front of the marginal cell, and with the smoky area traversed by four radiating bands of hyaline. DLS Petiole two-thirds the length of the nodose portion of the first abdo- minal segment; the nodose portion above and anterior part of second tergite ‘‘spatter-punctured’’ much less strongly so on the latter. Taken in King’s Canon, Ormsby county, Nevada. Also related to albi- pes and nubeculus. From the latter it differs in lacking the ventral tufts and in other characters. From the former it differs in not having the ‘¢first and second transverse cubital veins uniting above’’, a character used by Fox in his synopsis. The various descriptions of albipes which have been given are wholly insufficient as diagnoses in this genus. Ho- wever, regardless of what the name albipes may possibly apply to, the form described above will be easy to recognize by the characters I have mentioned. 120 ON SOME HYMENOPTERA. (chiefly undescribed) COLLECTED BY PROF. C. F. BAKER IN NEVADA AND SOUTHERN CALIFORNIA BY P. CAMERON 3449 Ancistrocerus trichionotus sp. nov. Black, the clypeus, mandibles except below and the apex, a small mark wider than long above the antennae, under side of antennal scape, a minute mark hehind the eyes near the top, a narrow line roundly narro- wed in the middle, the sides obliquely narrowed, an irregular line on the © outer side of the tegulae, two broad marks on the apex of the seutellum and broadish bands (the first dilated laterally) on the apex of the ab- dominal segments, Jemon-yellow. Legs black, the under side of the four front coxae, the four front femora below and the tibiae and tarsi, yellow. Wings yellowish hyaline, the apex in front smoky, the stigma testaceous. Male. Length to end of second segment 8 mm. Stanford University, Ca- lifornia. Apical two or three joints of the antennae and the claw rufous; the claw stout, conical, reaching to the apex of the penultimate joint. Front and vertex closely, rugosely punctured, more closely on the front than on the vertex; in the center of the front the punctures run into reticula- tions. Antennal keel narrow, but distinct. Clypeus longer than broad, the top bluntly rounded, the apex with a rounded incision which is twice wider than long. Pro-and meso-thorax coarsely and closely rugosely punctured; on the sides irregularly reticulated. There are two furrows on the sides of the apical half of the mesonotum. Postscutellum more coar- sely, rugosely punctured than the seutellum; its apex with an oblique slope. Sides of metanotum keeled, the bottom projecting into a broad blunt tooth. Pro-and mesopleurae more coarsely rugosely punctured than they are above; the rest strongly, but not closely punctured. Postseute- lum with an oblique slope, rounded before and behind, laterally narro- wed to a point; the basal half smooth, the apical strongly punctured. Median segment with a steep slope, very short, the sides rounded but with a distinct outer margin. The part at the sides of the scutellum ye- llow, thickly covered with silvery pubescence. First abdominal segment cup-shaped, short, the sides rounded; the second distinctly longer than wide. 3451 Ancistrocerus ormsbyensis sp. nov. Length to end of second abdominal segment 6-7 mm. Male. Taken in Ormsby county, Nevada. This species is closely allied to A. trichionotus and has, like that spe- cies, the head and thorax densely covered with long pale pubescence. The two may be separated thus: a 120 (1)—The band on first abdominal segment dilated laterally the oblique lower part of the eclypeus longer than the upper part; the second abdominal segment longer than its width at the apex. trichionotus. (2)—The band on the second abdominal segment not dilated backwards laterally, the oblique lower part of clypeus not longer than the upper; the second abdominal segment not longer than its width lige Oma Cxameen ewe LEO een S40 Se Ormsbyensiss Black, the head and thorax densely covered with long pale pubescence; the clypeus, a somewhat triangular spot over the antennae, a short line opposite the base of the antennae, mandibles except the teeth, a short line behind the top of the eyes, a line not much narrowed in the middle on the apex of the pronotum, the outer side of the tegulae broadly, two broad transverse warks on the apex of the scutellum, and broad bands on the apices of the abdominal segments, not much dilated laterally, pale yellow. Legs pale yellow, the four front coxae behind, their femora broad- ly behind, trochanters, hind coxae, trochanters and femora to near the apex, black. Antennal scape yellow, the flagellum reddish brown below. Wings hyaline, tinged with fulvous, the radial cellule and its neighbor- hood smoky. Male. Top of clypeus transverse, with the sides rounded; the apical incision broadly rounded. Front and vertex closely, strongly punctured; the upper part of the thorax is more strongly punctured as are also the sides, where the punctures become more or less confluent. The scutellum is strongly, but not so closely punctured as the mesonotum, in its centre is a deep longitudinal furrow. Postscutellum much more strongly rugosely punctured; its apex is broadly rounded, not obliquely sloped and roundly raised. Sides of median segment broadly rounded, the sides margined, the middle broadly but not much projecting; the apical slope is furrowed down the middle and closely obliquely striated. Pleurae rugosely punectu- red; the upper half of metapleurae closely, rugosely reticulated, the lo- wer coarsely aciculated and more or less finely striated. 3452 Ancistrocerus spilogaster sp. nov. Black; the elypeus, mandibles, except on the inner side a mark roun- ded above, a short line on the outer orbits above the middle, the apex of the pronotum including the spines, tegulae, except for a mark on the middle on the inner side, two broad lines on the seutellum, a broad line on the postseutellum, and lines all round on the apices of the abdominal segments, and an oblique mark on the sides of the second segment, le- mon-yellow; the second ventral segment yellow, with two longish black lines on the sides and a shorter one in the centre; there is an oval mark, broadest above on the mesopleurae below the tegulae. Legs of a clearer yellow than the body; the coxae above, trochanters, a broad line reaching close to the middle on the upper side of the four front femora and the posterior all round to shortly beyond the middle. Antennal scape yellow below; the underside of the flagelium and the hook brownish red. Wings 122 hyaline, yellowish along the costa, fuseous violaceous at the apex; costa and stigma fulvous testaceous, the nervures black. Male. Length to end of second abdominal segment 6-7 mm. Front and vertex closely and strongly punctured. Clypeus longer than its greatest width; the apex roundly incised, the incision wider than long, the sides forming sharp teeth; the upper part of the head covered with long fuscous hair. Apex of pronotum transverse, the sides projecting into stout bluntly pointed teeth. Scutellum with a distinet smooth furrow down the middle; the postscutellum with an oblique slope, there is a transverse depression on either side. Upper side of median segment bor- dered by a stout keel; in the middle is a bluntly rounded tubercle. Pro- and mesopleurae closely rugosely punctured; in the centre of the meso- pleurae is a distinct, deep furrow which extends from the base to shortly beyond the middle; it bears several keels. The upper part of the meta- pleurae is coarsely punctured, almost reticulated; the lower coarsely aci- culated and more or less finely striated. There is a distinct area on the base of the metanotum, bordered by a stout keel which unites with one running down the centre; the surface is covered closely with fine curved striae; the sides below tke blunt tooth are bordered by a narrow keel than the upper. Upper part of thorax thickly covered with long fuscous hair, as are also, but not so thickly, the sides. Apices of the basal abdominal seg- ments hardly reflexed; the first segment cup-shaped; the second narrowed at the base, not much longer than its greatest width. Antennal hook stout, twice longer than wide. 3455 Odynerus (Stenodynerus) claremontensis sp. nov. Female. Black, the clypeus except for three irregular black spots in the centre, a broadish line on the eye incision, commencing at the in- nerside and extending to the clypeus, an irregular mark, longer than broad, over the antennae, the antennal keel, a short broad line on the outer orbits near the top, the basal third of the pronotum, an irregular oval mark near the apex of the mesonotum, postseutellum, sides of me- dian segment broadly, half behind, half on the sides, the apices of the five basal segments of the abdomen broadly, the bands dilated in the middle, a large oblique mark touching the apical band and narrowed to a point on the inner side, a large irregular oblique mark straight in front narrowed and rounded behind on the sides of the second segment, and the second to fourth ventral segments, sulphur yellow; on the centre of the basal three-fourths of the second ventral segment is a large black mark, longer than broad, the sides of the apex obliquely, narrowly dilated; the other segments broadly black at the base, the bands dilated near the outer side; the last segment is entirely black. Legs yellow, the coxae behind, the four front femora broadly at the base and the hinder for the greater part, black. Wings smoky hyaline, tinged with violaceous towards the apex, the stigma and nervures black. Length to end of second abdo- 123 minal segment 7 mm. Taken in the mountains near Claremont, Califor- nia. Front and vertex strongly and closely, the clypeus strongly and spar- sely punctured. Clypeus pyriform, its length equal to its greatest width; the apical incision shallow, wide, the sides oblique. Pro-and meso-thorax punctured like the vertex; the metanotum as strongly but not so elo- sely punctured; the base of metapleurae aciculated; the centre of the mesopleurae is more or less reticulated. Base of metapleurae coarsely aciculated, the apex closely, stoutly rticulated. The suture on the first abdominal segment is stout, narrower in the centre, the sides twisted; the apical border is raised, this being also the case but more narrowly with the second segment. 3450 Ancistrocerus sutteranus Sauss. This species has been taken by Prof. Baker in Ormsby county, Nevada. It seems to be a very variable species, particularly as regards the size and shape of the black markings on the abdomen. In one example the black mark is small and triangular; in another it is large, reaching from the base to near the apex; the sides of the mark are roundly curved inwardly. In one male the first abdominal segment is black except for a mark on the sides at the apex. 3454 Odynerus (Pachodynerus) cosmiogaster sp. nov. Black; the under side of antennal scape, clypeus, mandibles, except along the inner edge, a transverse mark over the antennae, a narrow line along the inner orbits from the antennae to the commencement of the eye incision, a narrow line along the top of the outer orbits, the base of the prothorax, the mark narrow in the middle extending broadly along the pleurae to shortly beyond the middle, the greater part of the tegulae, a large mark below the tegulae longer than broad, the base rounded, the rest straight, the top with two angles, postscutellum, an oblique irregu- lar mark on the lower outer side of the metanotum and the abdomen, sulphur-yellow; the first segment black to shortly beyond the middle ex- cept along the sides broadly from near the base and the apex more na- rrowly, the base of the second segment broadly, the line expanded into a large mark in the middle; this mark having the sides oblique and slightly roundly incised; the third to sixth bear large marks, which are roundly dilated on the sides at the apex; the last segment entirely black, except for a small mark near the middle; the ventral segments to the sixth are broadly black at the base, the marks roundly dilated on the sides at the apex; the last is entirely black. Legs sulphur yellow; all the coxae and trochanters, the four front femora at the base all around and above to shortly beyond the middle and the hinder to near the apex, black. Wings hyaline, the costa and stigma fulvous-testaceous, the ner- vures blackish. Male. Taken in Ormsby country, Nevada. 124 Flagellum of antennae reddish brown beneath; the last joint slightly longer than broad, its apex bluntly rounded, narrowed at the base below. Clypeus slightly but distinctly longer than broad, the top bluntly roun- ded; the apex in the middle transverse or very slightly rounded inwardly, the sides oblique. Apex of pronotum transverse, the sides projecting into short stout teeth. Median segment short, its sides broadly rounded, the middle depressed. Head above and pro-and mesothorax closely and strongly punctured, the punctures more or less confluent. Metapleurae closely, chliquely striated; the centre of metanotum less closely, more strongly and irregularly striated. Head and thorax thickly covered with white pubescence. First abdominal segment short, cup-shaped. Allied to O. guadalupensis and O. zonatus. 3453 Nortonia nevadaensis sp. nov. Black; clypeus, mandibles, except at the apex, an irregular mark on either side of the pronotum, an irregularly oval one below the tegulae, two marks on the apex of the scutellum and an irregular narrow line on the apex of the first and second abdominal segments, sulphur yellow, as are also the apex of the fore femora and the tibiae and tarsi. Wings hyaline, the stigma fuscous, the nervures black. Tegulae dark fuscous, Male. Length to end of second segment 6 mm. Taken in Ormsby county, Nevada. Front and vertex closely rugosely punctured; the front in the middle below with some longitudinal fine striae. Frontal keel stout, a small ye- llow spot on either side near the top. Clypeus as long as its greatest width, smooth, only very indistinctly punctured, its apical incision twice wider than long, the sides forming distinct teeth. Apex of pronotum transverse, the sides projecting into stout teeth. Basal half of mesonotum irregularly punctured, the centre finely closely rugose; the furrows distinct, mode- rately deep; there is a shorter longitudinal furrow opposite the tegulae. Propleurae rugose, finely closely longitudinally striated; the mesopleurae coarsely rugose and finely striated above the furrow, smooth and more rounded below it.; the metapleurae aciculated, finely closely obliquely striated. Scutellum shining, flat, sparsely punctured. Postscutellum rai- sed, coarsely rugosely punctured. Base of metanotum irregularly reticu- lated; a depression narrowed towards the apex in the. centre; the apical slope not much depressed, the sides rounded, the centre furrowed. First abdominal segment distinctly narrowed at the base, the basal slope obli- que, irregularly sparsely weakly punctured, the transverse suture dis- tinct, the apical parts strongly irregularly punctured; the longitudinal furrow is deep; the yellow apical border is roundly raised, The second segment is disinctly longer than wide, clearly narrowed and separated from the first at the base; its ventral apex is bordered with yellow. I was at first inclined to refer this species to Symimorphus, but after comparing it with the description of Nortonia given by Saussure (Syn. Amer, Wasps. p. 1389) and by Dr. A. v. Schulthess (zeits. f. Hymen, u. 125 Dipterologie, 1904, 270-283) and with a male example of what I make out to be WN. to/tect Sauss. from Mexico I am of the opinion that it is 2 Nortona My species is much smaller than any of the described spe- cies of Nortonia In having a transverse keel on the first abdominal seg- ment (as in Symmorphus) it agrees with MV. lugens Schult. from Peru. The other species have no such suture. 3458 Polistes aurifer Sauss. This species was described from California (Vespides II, 78) where it is one of the commonest species, as it is now also in the Sandwich Islands. It is a variable species, particularly as regards the amount of black on the head, thorax, and abdomen. In extreme varieties the black on these parts may be entirely absent, being replaced by rufous color, especially in the workers. The malar space on the inner side is as long as the sixth antennal segment; the clypeus in the middle above is transverse with the sides straigth, obliquly narrowed; the apex in the middle projects broadly roundly, its central part being wider than the lateral. The legs also may want entirely the black colour, it being replaced, as on the thorax, by rufous. Prof. Baker has taken the species at Claremont, Stan- ford University, and Catalina Island, California. It seems rather remar- kable that the species should have spread to the Sandwich Islands and so far as is known to none of the West Indian Islands. 3444 Trielis xantiana Sauss. Prof. Baker sends from Ormsby county, Nevada a female Trielis which I can only refer to JT. xantiana Sauss. It has the thorax entirely black; the head is black except for two marks between and touching the antennae, a small one in the center of the face and the greater part of the elypeus which are red; there are only six large yellow marks on the abdomen, the pair on the first segment present on the typical form being absent. The Ormsby county specimen may of course represent a distinct species; but the material at my command does not enable me to form a definite opinion on the matter. 7. aantiana is a Californian species, ef. Saussure, Cat. Sp. Gen. Scolia, p. 149-151. Chaleididae 3481 Brasema ruficollis sp. nov. Brassy, largely tinted with rosy and blue; the abdomen is darker co- loured, more purplish in tint, its first segment with a wide pale testaceous band on the apex; the antennal scape and prothorax rufo-testaceous; the legs are red, the tibiae darker colored. Wings smoky testaceous; a hyaline band near the base, an oblique triangular one (the wide end in front) at the apex. Female. Length 3 mm. Taken at Claremont, California. Basal two joints of the antennae metallic blue, the others blackish, the basal largely tinged with red and purple. Head closely distinctly punctured, the upper part covered with fuscous, the lower with longer 126 white pubescence. There is a stout longitudinal keel on the upper half of the face; the oral region is striated; there is a fine blackish keel on the malar space. Thorax covered with white glistening pubescence; the pro- thorax smooth; the mesonotum and scutellum closely distinetly punctu- red; the middle lobe of the mesonotum does not reach to the scutellum, is raised and at the apex is gradually narrowed to a point. The pleurae are more shining and less strongly punctured; there is a distinct longi- tudinal furrow on the apical two-thirds of the meso-pleurae close to the sternum. The scutellum is more strongly punctured than the mesonotum, the furrows bounding it are distinct and deep. Ovipositor very short, broad and white. Cryptinae. Erythrocryptus gen. nov. Areolet large, 5—angled. Radial cellule short. Disco-cubital nervure broken by a stump of a nervure. Transverse median nervure received shortly behind the transverse basal. Transverse median nervure in hind wings broken below the middle. Metathoracic spiracles small, oval, about twice longer than wide; there is a distinct basal keel and an apical one indicated only at the sides. First abdominal segment longer than the se- cond; it becomes gradually widened towards the apex. Parapsidal furrows narrow, not extending much beyond the . apex. Clypeus rounded at apex. Labrum large, rounded, the sides and apex forming a broad rim, the depressed center smooth and shining. Metathorax as long as wide. An- tennae long, the first joint of flagellum longer than the second, ringed with white. Colour uniformly rufous. Ovipositor short. Legs slender, the fore tarsi twice the length of the tibiae. The middle segments of the abdomen are punctured, the apices of the second and third are raised. Metapleural carina complett. Temples obliquely narrowed. The apex of the metathorax is not quite transverse, being depressed in the middle. Spiracles of the first segment placed near the base of the apical third. In Dr. Ashmead’s arrangment (Bull. U. S. Nat. Mus. XXIII, 41-42) this genus comes in near Habrocryptus and Idolispa. 3964 EHrythrocryptus rufus sp. nov. Ferruginous, the inner orbits narrowly and clypeus yellow; the flage- llum of antennae black, the scape brownish below, joints 7-9 white. Wings hyaline, the stigma testaceous, the nervures blackish. Female. Length 7 mm., terebra 1.5 mm. Taken in the mountains near Claremont, California. Vertex weakly punctured in the center; the front closely irregularly transversely striated. Face closely wrinkled-punctured. Pro-and meso- thorax closely, distinctly punctured; the propleurae striated in the mid- dle; the mesopleurae finely striated in the center; the upper side of the metapleurae beyond the spiracles somewhat strongly obliquely striated. The second and third segments of the abdomen are closely distinctly punctured the others smooth. The recurrent nervure is bent in front to- wards the base of the areolet; it is received in its center. The antennae are nearly as long as the body. 39938 Campsocryptus brevicornis sp. nov. Ferruginous, the sutures of the thorax, more than the apical half of the hind tibiae and the flagellum of the antennae, black; the seventh to ninth joints of the flagellum yellowish beneath, the basal dark rufous. Wings fuscous, tinged with violaceous; about the basal fourth of the fore wings, a band of about the same length and of uniform width in the center, its apex reaching close to the apex of the stigma and a cloud extending from the apex of the stigma to the end of the radial cellule narrowed to a blunt point behind where it reaches to the middle of the recurrent nervure, yellowish hyaline; the hind pair of a paler fuscous tint, their base broadly and an irregular cloud beyond the middle, hyali- ne, tinged with yellow. Female. Length 16 mm.; terebra 7 mm. Taken at Claremont, California. Antennae not much longer than the thorax, stout, the first and second joints of flagellum about equal in length. Head closely, minutely, indis- tinctly punctured, covered with pale pubescence; the ocellar region black. Center of face largely roundly projecting, clearly separated from the elypeus. Thorax closely minutely punctured; the seutellum roundly con- vex, shining. Metanotum minutely closely punctured, its middle closely obscurely reticulated; the apical slope closely, transversely striated; it is oblique, rounded above. Basal two segments of abdomen closely minu- tely punctured, the post-petiole broad, abruptly dilated. Areolet square, the nervures not converging; the recurrent nervure received close to the apex. The breast and under side of coxae are covered with a fulvous down. Apex of elypeus transverse, obliquely depressed. Head, viewed from in front, long, not much narrowed below, the malar space as long as the antennal scape. The apex of metanotum is only slightly depressed. So far as I can make out from the descriptions, this species, while closely allied to it, is distinct from C calipterus Say, e. g. that species has the antennae ‘‘rather slender’’ and no pale annulus on them and the metathorax has ‘‘a rather prominént lateral carina’’, ef. Cresson, Trans. Amer. Ent. Soc. IV, 158. PIMPLINAE Ateleophadnus gen. nov. Metanotum with two longitudinal keels in the center of the basal part extending from the base to the top of the apical part, which is steeply sloped. Clypeus clearly separated from the face, its apex transverse. Eyes large, not emarginate on inner side. Areolet oblique, 4-angled, the nervu- res uniting in front. Transverse median nervure in hind wings broken below the middle. Claws simple. 128 Apical joint of antennae as long as the preceding two united. Abdo- men strongly punctured, the segments without distinct transverse depres- sions. The temples are wide and not obliquely narrowed, the malar space short. Median segment smooth except on the sides at the base. Parapsidal furrows distinct on the basal slope only. Scutellum not much raised above the mesonotum. The two keels on the metanotum do not form an enclosed area, there being no transverse one at the apex. In Dr. Ashmead’s system this genus comes in near Delomerista and Xanthopimpla with neither of which can it be confounded. 3978 Ateleophadnus bicarinata sp. nov. Black, shining, smooth except the sides of the basal part of the meta- notum and metapleurae which are punctured, the latter strongly; the lo- wer part of the mesopleurae and mesosternum are weakly punctured. Face and clypeus smooth and shining; the face roundly dilated in the middle. Abdomen strongly and closely punctured. Wings hyaline, the nervures blackish, the stigma pale testaceous, fuscous in the middle. Fla- gellum of antennae brownish below, covered with a pale pile, its first joint about one-fourth longer than the second. Sheaths of ovipositor den- sely pilose. Transverse median nervure interstitial; the recurrent nervure is broadly roundly curved and is received close to the base of the apical third. Female. Length 8 mm.; terebra 4 mm. Taken during July in Ormsby county, Nevada. 3979 Glypta xanthogastra sp. nov. Black, the apices of the first to third abdominal segments broadly, of the fourth narrowly rufo-testaceous (perhaps discolored) the ventral sur- face and keel bright sulphur yellow, their basal joint black above; the femora rufous, the tibiae and tarsi pallid yellow; the basal joint of hind trochanters black, apical pale yellow; femora bright reddish-fulvous; tibiae black, the extreme base and a broad band in the middle above white, tarsi blackish, the basal three joints white at the base. Wings clear hyaline, stigma dark fuscous, the nervures black. Female. Length 6 mm.; terebra 4 mm. Taken during July in Ormsby county, Nevada. Front and vertex closely punctured; the ocellar region and hinder edge of vertex smooth. Face and eclypeus closely punctured, thickly covered with silvery pubescence; the face largely projecting in the center, the projection narrowed towards the middle. Apical joints of palpi dark tes- taceous. Mesonotum closely, distinctly punctured. Scutellum shining, al- most smooth, roundly raised. Median segment thickly covered. whith white pubescence, its apex with a steep slope, narrowly margined above and without keels. Abdomen thickly covered with white pubescence, the oblique depression deep and wide. Tegulae pale bright yellow. Transverse eubital nervure longish, disco-cubital nervure angled and broken by a stump of a nervure; transverse median nervure received distinctly be- 129 yond the transverse basal. Mandibles testaceous, black at the apex. Cly- ‘peus with a large fovea at the sides. Base of first abdominal segment with a stout curved keel which extends shortly beyond the basal depres- sion; in the center of the apical half is a longitudinal depression or furrow. Comes near to G. tuberculifrons Walsh. 3963 Lampronota aciculata sp. nov. Black, the legs except the hind tibiae and tarsi bright red; the palpi testaceous. Wings hyaline, the stigma and _ nervures black. Female. Length 8 mm.; terebra 4 mm. Taken at Gunnison, Colorado. Face and clypeus alutaceous, the latter vith a distinet border above; front and vertex shining, indistinctly finely punctured . Mesonotum elo- sely punctured, the middle lobe more distinctly and strongly than the lateral. Scutellum roundly convex, smooth, shining, its apical slope and postseutellum strongly aciculated. Pro-and mesopleurae closely punetu- red and more or less finely striated; the metapleurae finely rugosely pune- tured. Metanotum finely, closely rugose, except on the apical slope where it is smooth and shining; there are two fine slightly twisted keels down the center, a stout smooth keel down the center of the apex, with one or two broken keels on either side; the sides are bordered by an irregu- lar keel. First abdominal segment aciculatd at the base, smooth and shining at the apex, the rest strongly aciculated and finely closely striated; the basal half of the second segment finely aciculated, the rest of the abdomen smooth and shining. Transverse median nervure placed shortly behind the transverse basal; the recurrent nervure received at a slightly greater distance than its length from the transverse cubital. Te- gulae whitish yellow. Ventral segments broadly white at the apex. Meta- pleural keel acute, not reaching to the apex. The apices of the second and third segments are narrowly testaceous. Flagellum of antennae densely co- vered with black pubescence; its first joint nearly es long as the follo- wing two united. Possibly this may be a form of JL. occidenialis Cr. The ovipositor is certainly not as long as the abdomen and the sculpture is different. The same form of coloration occurs with European species. Banchini 3984 Cidaphurus nigrolineatus sp. nov. Black, the face except for a line down its center, clypeus, labrum, man- dibles except at the apex, the orbits,—the outer entirely—the inner line not reaching to the top, a curved line at the sides of the front ocellus, the two lines uniting into one and running down to near the bottom of the front, palpi, two lines on the basal three fourths of the mesonotum, narrow at the apex, thickened and dilated laterally outwardly at the base, seutellums, their keels, median segment except broadly at the hase, 130 the band dilated at the sides and continued down the base of the pleura and more narrowly down the apex, the base of pronotum, the line dilated at the sides, the large tegulae, a large mark, dilated above on the base of the mesopleurae, and the abdomen except for a longish broad line on the basal two-thirds of the first segment in the center, a band reaching close to the middle of the second, and one on the basal fourth of the third segment, lemon-yellow. Antennae black, the scape yellow, the fla- gellum brownish below. Wings hyaline, the stigma testaceous, the nervu- res black. Legs len on-yellow, the four front coxae behind, the posterior except for a large mark in the center, on the inner side above, the mark continued more narrowly along the apex of the inner side and along the middle below, basal joint of trochanters, broad lines on the femora, on the sides and below, the apical third of the tibiae and the apical joints of the tarsi, black. Male. Length 10 mm. Taken during July in Ormsby county, Nevada. Smooth, the mesonotum closely, minutely punctured, covered with a minute pile. Scutellar spine long, curved, about four times longer than its width at the base and fulvous colored. Areolet large, the nervures uniting in front, the second bent on the lower side; the recurrent nervure is received near the apex of the basal third. Clypeus narrowed in front, the apex bilobate but not deeply, the lobes rounded, the middle above depressed. Metanotum depressed at the base, the furrow of the depresson closely striated; the sides of the apical slope are hounded by a stout keel. Comes near to B. spinosus Cr., but quite distinct. B. superbus Cr. has not a long scutellar spine. 4348 Banchus tricolor sp. nov. Black, the face except the black line, narrowed gradually below, the top rounded and united to a mark between the antennae, the orbits broadly, the mesonotum except for a broad line down the middle exten- ding shortly beyond the apex and the sides which are brown; the seute- Ilum except at the apex, post-scutellum in the middle, the metanotum except the top and bottom which are brown tubercles, a broad band of equal width down the base of the mesopleurae, a large somewhat pyri- form mark—the broad end above—in the center of the metapleurae, and the apices of the abdominal segments, lemon-yellow; the central part of the latter brown. Legs yellow, the femora largely, apex of tibiae broadly, and the apices of the tarsi, tinged with fulvous. Antennae black, the scape yellow, the flagellum brown below. Male. Length 10 mm. Taken during July in Ormsby county, Nevada. Seutellum broadly rounded, not much raised, neither spined or tuber- culated. Thorax closely punctured, the median segment more strongly than the rest. The latter has an oval depression or fovea in the center of the apical part; the middle of the apical slope is stoutly keeled. The transverse cubital nervures converge in front but do not meet; the re- 131 current nervure is received in the middle; the transverse median nervure is almost interstitial. Porizonini. 3976 Aneuclis (?) erythrostomus sp. nov. Black, shining; apex of clypeus, antennal scape and legs rufo-fulvous, as are also the third and following segments of the abdomen and the palpi. Wings hyaline, iridescent, the nervures and stigma black. Female. Length 5 mm.; terebra 3 mm. Taken during July in Ormsby county, Nevada. Head, except the clypeus, closely distinctly punctured; the scutellum more closely punctured than the mesonotum; the metanotum still more strongly punctured, its basal areae coarsely rugosely punctured, the pos- terior punctured above, transversely striated below; there are two clearly defined areae longer than broad, and of equal width throughout in the center at the base, and there are three on the apical slope; outside is a large triangular area, not clearly closed behind. Pleural suture large, wide, erenulated. Abdomen smooth and shining, the sides of the petiole on the narrowed basal part closely stoutly longitudinally striated. Transverse eubital nervure about four times longer than thick, transverse median nervure received shortly beyond the transverse basal. Orona gen. nov. Abdomen petiolated, the spiracles placed very shortly behind the mid- ‘dle of the first segment, the second segment triangular, becoming gradua- lly widened from the base to the apex, the third segment very large and longer than wide. Ovipositor short. Antennae stout, 20-jointed, the last joint as long as the preceding two united and thicker than they. Eyes moderately large, ovate; there is a distinct malar space. There are four clearly defined areae on the meta- notum, a basal central, longer than wide and shghtly narrowed towards the base, a large central apical, and a triangular smaller one on either side. The transverse cubital nervure is very short, the recurrent nervure is received considerably beyond it; the second discoidal cellule is closed, the transverse median nervure is interstitial. Palpi short. Metanotal areae aciculated. Parapsidal furrows only indicated at the base. Hind tarsi nearly as long as the tibiae. Metathoracice spiracles placed near to the pleural keel. Antennal middle joints longer than wide. In Dr. Ashread’s table (Bull. U. S. Nat. Mus., X‘'XTII,) this genus would come in near Epistathmus and Diasparsis, from both of which it may be known by the 20-jointed antennae. Characteristic, probably, are the clearly separated abdominal first segment, triangular second, and large third. : 3968 Orona petiolaris sp. nov. Black, shining, the legs dark rufous, the hind. tibiae and tarsi almost 132 black. Wings hyaline, iridescent, the nervures and stigma black. The oral region, mandibles, and a spot on the pleurae below the tegulae ru- fous. Antennae, thorax, and legs covered with a pale pile. Median seg- ment coarsely aciculated, the basal area more shining, almost smooth. Pleurae strongly aciculated, almost punctured, the upper part of the mesonotum smooth and shining, the lower part almost striated. Abdomi- nal-petiole curved, as long as the second segment and the half of the third. Apex of metanotum with an oblique slope. Female. Length 2 mm.,; terebra one-half mm. Taken near Stanford University, California. Ophionidae. Enytus gen. nov. Clypeus not separated. Eyes not emarginate, converging at the top. Me- tanotum with two transverse keels, on the middle only with the basal one, the second more distinct. Fore wings without an areolet. Claws sim- ple. Apex of clypeus broadly rounded. Abdomen of equal thickness from the first segment, not compressed; the post-petiole clearly separated. Apical nervures in hind wings entirely obliterated. Abdomen aciculated. This genus can only be confounded with the Indian genus Bosmina and with Amorphota known from the Palaearctic and Neartic Regions; the latter has an areolet; the former has the claws armed with stout stiff bristles and the metonotum is areolated; in both the hind wings are provided with nervures at the apex. 3967 Enytus maculipes sp. nov. Black, a mark on the under side of the scape, mandibles except at the apex, palpi, four anterior coxae, trochanters and the apical joint of the hind trochanters pale yellow; the rest of the legs rufo-fulvous, the hind coxae, base of trochanters, femora, base and apex of tibiae and the hind tarsi, black; the base of hind tarsi broadly and the calearia testaceous. Wings hyaline, the stigma and nervures fuscous. Female. Length 4 mm., ovipositor 1 mm. Taken near Stanford University, California. Head opaque, coarsely alutaceous, covered with white pubescence. Tho- rax closely minutely punctured, the median segment more closely than the rest, its apical slope finely closely transversely striated. First abdominal segment smooth and shining, the rest opaque, aciculated, covered with white pubescence. Radial cellule wide; the transverse cubital nervure short, the recurrent is received double its length from it; the transverse median joins shortly beyond the transverse basal. Basal two joints of the flagellum equal in length. a VoL. 1, PP. 133-140. TANUARY 24, 1906. INVERTEBRATA PACIFICA Edited by C. F. Baker, Estaci6n Agronémica, Santiago de las Vegas, Cuba HETEROPTERA NOTES ON THE NYSIUS AND ORTHOLOMUS OF AMERICA Cc. F. BAKER Many years ago when first collecting Nysius —a genus of true bugs often very injurious to certain cruciferous plants, beets, ete., but also oceu- rring on many other plants—all attempts to arrange the species in my collection according to the original descriptions were attended by unsa- tisfactory and discouraging results. Had I been a collector of few spe- cimens it might have been possible but I very early acquired the habit of taking large series, and the farther I carried such work, the more surely was the absolute necessity for it recognized. This is equally true among all animals and plants, but Nysius has proven an unusually pointed example of it. I have now before me twelve hundred spec- imens belonging to my two collections, (one in National Museum and one here in Cuba) which have been taken in Colorado, Arizona, New México, Nevada, California, Nicaragua, Oregon, Washington, Alabama, Cuba, and the Eastern United States. The variation in coloration among the individuals of the different species is something altogether remar- kable, the general pattern being much the same in all, apparent diffe- rences in the majority of cases being due to varying intensity of pig- mentation. This fact renders most of the original descriptions of American species almost useless. In two late description (those of monticola and ementitus), scarcely a single structural character is given, not even the primary ones of amount of curvature of costal margin of corium, and form of bucculae. After careful studies in the comparative anatomy of the various species were begun, many good characters were found which had not been mentioned by any of the authors. Others which had been mentio-— ned were found impracticable for use in classifying these large seriegayiila Tag the rUhler_ most Mof | endless intermediate conditions being of common occurrence. matter of the determining of names, I am much indebted to and to Mr. Heidemann, the determinations by the former o his own species being of especial value. These determinations, 134 with copious collections from the various regions have enabled me to recognize under older names several of the groups I take to be of speci- fic value. But most of the older names should under no conditions be used without careful comparison with the types—determinations from the descriptions alone would usually be worthless. There is no doubt but that many of the names represent merely color forms, and like- wise some of the names now in use will doubtless be found exactly equivalent to older names if the types were available for study. In other collections which I have seen, the uttermost confusion has resulted from the attempt at grouping according to the color descriptions. In the same species there may be a very wide variation in this respect in a lot taken together on the same food plant, but such a lot will usually be found remarkably uniform in the finer structural details. The status of the genus in America as to an evolutionary point of view is apparently wholly opposed to that presented in Europe. In America the species of typical Nysius, all belong to one general type and present no wide subgeneric divergences, and possess a most remar- kably high degree of individual variation in size and coloration. Some of the subgenerie groups of the old genus Nysius, I regard as better defined genera than many groups of the Lygaeidae commonly recogni- zed as such. In America we have two very distinct groups of generic value, Nysius and Ortholomus. Synopsis of Genera. A.—Costal margin of corium straight only near the base if at all, and beyond this more or less rounded; head extended on either side be- yond anterior angles of pronotum by less than half width of eyes, the exposed area back of eyes small; bucculae long or short; corium with few fuscous markings and the membrane usually nearly or Quite clear ssc smc. seat cise ern cee eee ere ean Nysius Dall. AA.—Costal margin of corium straigkh} throughout, the two sides parallel or even converging; hea. extended on either side be- yond anterior angles of pronotum oy more than half the width of the eyes, the exposed area back of eyes large; bucculae alwals less than half the length of gular area; corium more or less distinctly densely mottled, and the membrane more or less fuscous spotted, or entirely fuliginous...... - Ortholomus Stal. Genus Wysius Dall. Synopsis of Species. A.—Costal margin of corium straight for a short distance at base, then distinctly outeurved. B.—Bucculae broad, and less than halt sength of gular region; costal margin of corium straight at base for only about one-fourth of scutel; a very large species of the west and southcalifornicus Stal. BB.—Bucculae always more than half length of gular region, the shorter forms very narrow; size medium to small. —_—— | 135 C—Buceulae narrow anteriorly and more or less evenly diminishing posteriorly, running out to a point; costal margin of corium straight at base for about three-fourths length of scutel, then very gently and gradually outcurved......... angustatus Uhl, CC.—Bueculae broad throughout their length, strongly so in front, the posterior extremities very obtuse, sometimes here again broadened, the tip in rare cases even slightly excurrent, though never exceeding gulae; costal margin of corium straight at base for nearly the length of scutel and then strongly out- curved, D.—Sides of pronotum nearly straight; smaller paler forms...... senecions Schill. DD.—Sides of pronotum strongly ineurved; larger darker forms coloradensis MN. Sp. AA.—Costal margin of corium very gently rounded from the very WEES 3650 0b-ko oho CoO eC e mae Sakstandis aie lence ae ementitus Dist. 447 Nysius californicus Stal. Among all the American species this is the most widely distinct by great size—for a Nysivs—and its short and broad buceulae. It abundant on the West Coast, from Oregon to Nicaragua at least. The largest and palest forms—the most typical—are found in California and Nevada; from this region towards the north, east, and south, the forms become somewhat smaller and darker, such being of frequent occurrence in Washington, Utah, and Colorado. Nothing is known to me of the extension towards Idaho and Montana. Through Mexico and the Cen- tral American countries the forms become not only smaller and darker, but have the membrane strongly fuscous spotted like Ortholomus. The more typical examples of this latter kind Dr. Uhler has determined for me as his providus, which name can thus only be retained as a variety. The only far eastern extension of the species occurs through Arizona and Texas to Alabama, through which range the individuals become smaller but the membrane remains nearly clear. To this southeastern form I give the name alabamensis, it being the dominant variety in Alabama. The specimen recorded by Dr. Uhler from Maryland perh- aps belongs here. Dr. Uhler also records the species from Cuba, but in extended collecting there I have found but one large species and that belongs in Ortholomus. 444 Nysius angustatus Uhl. This is the most abundant species in the Eastern United States, extending northward into Canada, westward to Nevada, and south into Mexico. I do not know that the larger more typical form passes the southern Sierra Nevada. In Washington State is found a very dark form which I have called variety niger All over the West, even throughout California, occurs a small pale form with the structural 136 characters of the less common typical form and varying into it everyw- here, and which Dr. Uhler first recognized under the name minutus. Many years ago I sent some typical specimens of angustatus to Van Duzee and they were determined by him as the Nysius thumi of Europe. He also records thymi for the vicinity of Buffalo, but does not mention angustatus though within the range of the latter as here understood. I have had no authentic. European material of thymi and so cannot work the matter out from the point of view of structure, However, lL shall not be surprised to learn that angustatus is thymi. 1403 Nysius senecionis Schill. On the West Coast of North America from Oregon through Nevada and California to New Mexico, Mexico, and Lower California, there occurs in abundance a medium sized, mostly pale testaceous Nysius which presents remarkably distinctive characters of bucculae and other parts. Dr. Uhler determined this for me as his strigosus and indepen- dantly, Mr. Heidemann verified this determination. It is variable in color though not nearly to the extent of angustatus. In coming to compare it with the senecionis of Europe, I found myself unable to separate the two on any constant appreciable characters. So we have another case to add to the growing list of animals and plants common to Europe and the west coast of America. Passing north into Oregon individuals become more generally darker, as is true also in Mexico, but these darker ones are also to be found among the lighter ones anywhere. 4410 Nysius coloradensis n. sp. This is somewhat similar to a small californicus in size and general appearance but differs widely from that species in structural charac- ters. The bucculae are entirely different; the straight basal portion of costal margin of corium extends about the length of the scutel before it outeurves, whereas in californicus the basal straight portion is extre- mely short, scarcely more than a fourth the length of the scutel. The color is ashy or reddish-ashy with the general type of variable mar- kings of californicus and some other species of Nysius and with a dense silvery pubescence. The sides of the pronotum are unusually incurved; the width across the eyes is to the anterior border is to the posterior margin of pronotum as 9.5 is to 7.5 is to 11, the anterior margin of prono- tum and length being about equal; membrane is nearly hyaline. In the typical form the pubescence of pronotum is silvery white. Length 3.5 to 4.5 mm. I collected this species in large numbers in Colorado but have not seen it elsewhere. Occurring among individuals of this species are larger ones with a length often of 5 mm., very much darker, the membrane smoky and dark spotted, the pronotum more coarsely and irregularly punctured, and pubescence more scant and ochraceous. I have called this form variety grandis of the above species. 4373 Nysius ementitus Dist. Here is placed a considerable series of specimens collected in Nicara- : 137 gua and Cuba, evidently of a single species remarkably well characte- rized by the unusual form of the costal margin of corium. It is a spe- cies about the size and general appearance of angustutus and with bu- eculae similar to coloradensis It has at various times been determined for me as a species of Cymus, as Pelionelta tropicalis Dist., and finally as Nysius monticola Dist., none of which it can by any possibility be. It agrees closely with the illustrations of Nysius ementitus of Distant and is doubtless that species. An adequate diagnosis was not presented by Distant, who mentions none but color and other characters which are common to other forms. I have no doubt but that it will be found the same as some of the species previously described from the West Indian Islands. List of Identified Species and Varieties, angustatus Uhler.—North America. 1872 Uhler, in Hayden’s Geol. Surv. of Montana, p. 406. 1877 Uhler, Bull. Geol Surv. III, Num. 2, p. 409. 1894 Uhler, Proc. Cal. Acad. Sci. Ser. 2, Vol. IV, p. 238. 1895 Gillette & Baker, Prelim. List. Hemip. Col. p. 21. angustatus Uhler, var. minutus (Uhl).—Western North America. 1895 Uhler in Gillette and Baker, Pelim. List. Hemip. Col. p. 22 ( Nysius minutus). angustatus Uhler, var. niger Baker, supra.—Washington State. californicus Stal—Western and Southern North America. 1859 Stal, Freg. Eug. Resa, Ins. p. 242. 1874 Stal, Enum. Hemip. IV, p. 120. 1877 Uhler, Bull. Geol. Surv. III, Num. 2, p. 4u9. 1894 Uhler, Proc. Cal. Acad. Sci. Ser. 2, Vol. IV, p. 238. 1895 Gillette & Baker, Prelim. List. Hemip. Colo. p. 21. californicus Uhler var. providus (Uhl).—West Indies, Mexico, and Central America. 1894 Uhler, Proe. Zool. Soe. London, p. 1838 (Nysius proridus californicus Stal. var. alabamensis Baker, supra.—Southeastern United States. coloradensis Baker, supra.—Colorado. ementitus Distant—West Indies and Central America. 1893 Distant, Biol. Cent. Amer. Rhynch. p. 365. senecionis Schill—Western North America. 1894 Uhler, Proce. Cal. Acad. Sci. Ser. 2, Vol. IV, p. 238. ( Nysius strigosus). List of Unidentified Species. basalis Dallas.—Jamaica, Brazil. 1852 Dallas, List. Hemip. Brit. Mus. p. 553. callifer Stal. Colombia. 138 1874 Stal, Enum. Hemip. IV, p. 120. destructor Riley —Eastern United States. 1873 Riley, Rep. Ins. Mo. V. p. 113. groenlandicus Zetterstedt.—Greenlan 1. 1840 Zetterstedt, Ins Zapp. p. 262 (Lygueus groenlandicus). 1874 Stal, Enum. Hemip. IV, p. 121. jamaicensis Dallas.—Jamaica. 1852 Dallas, List Heter. Brit. Mus. II, p. 555. monticola Distant.—Guatemala. 1893 Distant, Biol. Cent. Am. Rhynch. p. 385. nubilus Dallas.—Colombia. 1852 Dallas, List. Heter. Brit. Mus. II, p. 533. scutellatus Dallas.—Jamaica. 1852 Dallas, List. Heter. Brit. Mus. II, p. 533. Genus Ortholomus Stal. This group, first separated by Stal, is a perfectly valid genus, much better founded than are numerous others’ of the family Lygaeidae The costal margins of corium run straight caudad from the very base or even converge posteriorly, and this character alone separates this genus sharply from Nysius. Often considerable of the side margins of the abdomen are exposed. Whereas but a single species had been previously described from the United States, several have been known to me for some time. One species occurs in great abundance in Nicaragua and is also common in Cuba. Dr. Uhler twice determined this for me as his inaequalis. This is evidently the species referred to by Distant as Nysius spurcus. The species N. spurcus was founded on characters drawn from specimens collected in Tahiti, Rio Janeiro, and Honduras. The original description is not at all diagnostic for species of this genus, and in large collections of American material, [ believe that no sure determination could be made from it. Perhaps the types are in existence. It seems more than likely that several species have been confused under this name and that the name must be reserved for the form from Tahiti only. Indeed Stal himself seems to have come to this conclusién in the Enum. Hemip. IV, 120, where he redescribes the species and mentions only the Tahiti specimens. I believe that it would be only pure guesswork and a source of confusién to use the name at present for any American species. On the other hand we may be reasonably sure that this is the naequalis of Uhler. It seems strange that the longiceps of Stal, originally described from Wisconsin has not been oftener collected. I have seen specimens from Wisconsin, Indiana, Pennsylvania and Mexico, and was somewhat surprised to find what is apparently the same thing, in the mountains of Southern California. 139 Synopsis of Species AA.—Transverse line of ypronotum reduced to a shining black fovea midway on either side of the pronotum; the width across eyes is to front margin is to hindmargin of pronotum is to length of pronotum about as 9.25 is to 7.25 is to 11.5 is to 8.5; length of head equal to the width across the eyes.. Length 5 mm. North- CHC ORM ISCONSU en eats tle Sete ee oh. oma est shan ge evs Uhlert n. sp. AA.—Transverse line normal, extending straight across middle of pro- notum, sharply but obtusely angled at the sides, the remaining limb gently recurved. B.—Ocelli about as near, or nearer to the median line than to the eyes; punctuation of the pronotum sparse and rather fine; large species with the body as a whole, parallel sided. C.—Pronotum distinctly longer than the width at apex, strongly narrowed cephalad, the anterior margin ‘is a little more than half length of posterior margin; pronotum variously marked with ferruginous and paler; length of face about equal to the width across eyes. D.—Fourth antennal article distinctly shorter than second and as long or shorter than the third; the width across the eyes is to the front margin of pronotum is to the hind margin of pronotum is to the length of pronotuim as 8.75 is to 7.25 is to 12 is to 9; Length 4.5 to 5.25 mm. West Indies, Mexico and Central America... inaequalis Uhler. DD.—Fourth antennal article as long or longer than the second, and longer than the third; the width across the eyes is to the front margin is to the hind margin of pronotum is to its length as 10 is to 7.5 is to 13 is to 9.5; length of head a little less than width across eyes. E.—Dark colored, the pubescence white and dense, espec- ially on the seutel. Length 5.5 mm. Mountains near Cla- remont, California........ longiceps vay. Cooku n. var EE.—Paler, the pubescence sparser, shorter, and golden abo ve. Length 5.5 mm. Eastern United States to Mexico pyngl AChihinabe. eaGodon tons sauce ae longiceps Stal. CC.—Pronotum scarcely longer than width at apex, not strongly narrowed cophalad, the width across the eyes is to the front margin is to the hind margin is to the length of pronotum as 12 is to 9.25 is to 13.5 is to 9.5; length of head strikingly less than width across eyes. Colors ashen with black mar- kings, a median longitudinal black band in pronotum, the membrane dark fuliginous. Length 4.5-5.6 mm. Ormsby county Nevada............+---.-+.+---> nevadensis N. sp. 140 BB.—Ocelli distinetly nearer to the eyes than to the median line; punctuation of pronotum coarser and thicker; a small species with the body as a whole distinctly broadened caudad; the width across the eyes is to the front margin is to the hind margin is to the length of pronotum as 7.75 is to 6.5 is to 9.75 is to 6.75; the head is as long as the width across the eyes, Coloration resembling that of imaequalis, the membrane but faintly spotted. Length 3.75-4 mm. Southern California. arphnoides 2D. sp List of Species. arphnoides Baker, supra.—Southern California. inaequalis (Uhler).—West Indies, Mexico, and Central America. 1882 Distant, Biol, Cent. Amer. Rynch. p. 190 (MN. spurcus Dist, non Stal). 1894 Uhler, Proc. Zool. Soc. London, p. 183. longiceps Stal.—United States and Mexico. 1874 Stal, Enum. Hemip IV, p. 120. longiceps Stal. var. Cookii Baker, supra.—Southern California. nevadensis Baker, supra.—Nevada. Uhleri Baker, supra.—Northwestern Wisconsin. ee VOL. 1, pp. 141-159. MAY 24. 1906. INVERTEBRATA PACIFICA Edited by C. F. Baker, Estacién Agronémica, Santiago de las Vegas, Cuba. HYMENOPTERA THE BEE GENUS PASIPHAE IN NORTH AMERICA BY C. F. BAKER While in Central America I collected a number of species of Prosopis (descriptions to appear soon) which were typical representat ives of that genus in every way. Scattered through this collection were a number of bees, very Prosopis-like, but possessing a truncated and appendiculated marginal cell and otherwise corresponding to Ashmead’s description of the genus Pasiphae, previously known only from the southern Andean region. In Trans. Am. Ent. Soc. XXIX, p. 186, Cockerell says ‘‘Mr. Vachal remarks that this has a distinct tibial pollen brush, and cannot go with the Prosopidae. It appears to be a Colletid with only two submarginal cells.’’? The Prosopidae are usually described almost without reservation, as ‘‘non-pubescent’’, a statement that should be considerably modified. It is true that the pubescence is reduced—thin and fine, but distinctly present over most of the body in all of the American species I have seen. What the naked eye or the simple lens does not show in this case, the compound microscope will prove a clearly distinct feature. If the hind tibiae of any Prosopis are carefully examined. they will be found usually thickly covered with pubescence. Jn these Central American bees whic!) I am calling Pasiphae, this pubescence is more pronounced than J have found it in any Prosopis, and while it might possibly be called a ‘