-J>" TRANSACTIONS f j^n^EK,ic^nsr ENTOMOLOGICAL SOCIETY. VOL. XXXVI. HALL OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA, LOGAN SQUARE. 1910. % |(j iol PRESS OF P. C. STOCKHAU8EN PHILADELPHIA LIST OK PAPERS. COCKERELL (T. D. A.). New and Little Known Bees .... 199 Cresson (E. T., Jr.). Studies in North American Dipterology : Pipun- culidae ........ 267 Dietz (W. G., M.D.). Revision of the Blastobasidas of North America 1 Fall (H. C). Miscellaneous Notes and Descriptions of North American Coleoptera ..... 89 Smith (John B.). New Species of Noctuidse for 1910 . . . 251 Van Duzee (E. P.). Descriptions of some New or Unfamiliar North American Hemiptera ..... 73 INhEX INDEX. New genera and species described in this volume are followed by the name of the Author. Agrilus knausii 138 Andrena batesise Ckll 248 cameroni 249 cyprica Ckll 247 sinensis Ckll 249 Anthidiellum truncatiforme C.215 Anthidium chubuti Ckll 214 flavipes 214 Apis mellifera ligustica 244 Aploderus mimeticus Fall 115 princeps 115 trinifer Fall 114 Athous aterrimus Fall 130 imitans Fall 131 ingens Fall 131 Baeocera humeralis Fall 116 Bees, New and Little Known. ..199 Bembidium 93 cannula 95 hesperum Fall 94, 95 insequale 94 lacustre 95 litorale 95 lorquini 95 pictum 97 punctostriatum 95 timidum 97 versicolor 97 whitneyi Fall 96 zephyrum Fall 95, 96 Blastobases 3, 4 Blastobasidae of North America.. 1 Blastobasis 5, 69 distinctella Dietz 6, 10 fuscopurpurella 6, 9 guilandinae 6 hulstella Dietz 6, 7 plummerella Dietz 6, 8 sagitella Dietz 6, 9 Blastobasis simpliciella 6, 9 vilella 6, 10 yuccsecoriella Dietz 6, 7 Bledius apicalis Fall 112 arizonensis Fall 103 armatus 102 confinis Fall 114 consimilis Fall 105 dissimilis Fall 107 episcopalis Fall 104 fratellus Fall 112 gradatus Fall 104 medialis Fall 113 mysticus Fall Ill persimilis Fall 110 piceus Fall 108 regularis Fall 109 specularis Fall 109 tallaci Fall 106 Bruchus 160 aequalis 173 alboscutellatus 172 ambiguus 163 amicus 169, 174 arizonensis 162 atomus Fall 188 auctus Fall 165, 166 aureolus 173 bisignatus 170, 174 biustulus Fall 171, 178 bivulneratus 165 calvus 173 chinensis 163 chiricahuse Fall 172, 181 collusus Fall 171, 176 compressicornis 188 coryphae 164 crenatus 164 cruentatus 165 INDEX PAGE Bruchus desertorum 169 discoideus 164 discolor 165 discopterus Fall 165. 167 distinguendus 171, 178 exiguus 184, 185 flavicornis 188 florida; 170, 175 fraterculus 173, 184 fumatus 173, 183 gibbithorax 162 griseolus Fall 170, 175 hibisci 172 impiger 164 inornatus 170 inquisitus Fall 172, 180 julianus 186 leucosomus 164 limbatus 165 lobatus/fr// 173, 182 longistilus 171 macrocerus 188 macrophthalmus 170 mimus 162 mixtus 172 musculus 184, 185 nigrinus 166 obtectus 172 ochraceus 170, 171, 176 ochreolineatns Fall 186 pauperculus 172 pectoralis 170 perforates 173, 182 perplexus Fall 171, 177 prisorum 161 placidus 184 prosopis 169, 174 prosopoides 169 protractus 169, 173 pruininus 166 pugiunculus Fall ...171, 178 pulloides Fall 171, 179 pullus Fall 172, 180 pygidialis 166 quadridentatus 186 PAGE Bruchus quadrimaculatus 163 ruf escens 184 refimanus 161 ruf ovittat us 172 sallaei 169 schrankiae 172 seminulum 188 serratif emur 164 simulans 166 sordidus 166 speciosus 170 sebasneus 166 subserripes Fall 173, 183 texanus 162 ulkei 165, 166 uniformis 169 Calosima Dietz 5, 21, 70 argyrosplendella Dz..2\, 22 dianella Dietz.., 21, 22 Calosoma eremicola Fall 91 parvicollis Fall 90 tristoides Fall 92 Carpophilus 121 dimidiatus 122 floralis 125 floridanus Fall 122 ignobilis Fall 124 longiventris 123 longus Fall, 123 nitens Fall 125 rickseckeri Fall 124 Catronia cara Van Duzee 86 costata Van Duzee 86 dimidiata Van Duzee 85 Ceratina ridleyi Ckll 218 samburnensis Ckll 218 Ceratinidia ridleyi Ckll 218 Chalarus 274 spurius 274 Chloralictus dampieri 22S humilis 228 urbanus 227 Cicindela vulgaris 89 viridissima Fall 89 Cixius lepidus Van Duzee 87 IXDEX in PAGE Coleoptera, New North Am 89 Collops crusoe Fall 140 flavicinctus Fall 140 georgianus Fall 141 Corymbites exclamationis Fall. .135 linearis Fall 132 lutescens Fall 134 macer Fall 133 nigricans Fall 135 polygenus Fall 136 rufipennis Fall 134 Creniphilus degener 100 elegans 100 ellipsis Fall 99, 100 lodingi Fall 98, 100 nanus Fall 99 reductus Fall 99, 100 Crepidodera pallida Fall 158 Crocisa grahami Ckll 218 guineensis 217 praetexta 217 Cychrus corvus Fall 89 Cyphopelta Van Duzee 81 modesta Van Duzee 81 Dasyrhadus Fall 144 impressicollis Fall 144 longior Fall 145 Deleaster trimaculatus Fall. ...115 Dianthidium truncatiformeC£..215 DichrooscytusmarmoratusF. D.78 Diptera, Studies in North Am. ..267 Drynus crassus Van Duzee 76 Dryoperia 3 Dyschirius varidens Fall 93 Elidiptera floridae 83 fusiformis Van Duzee 82 henshawi Van Duzee 83 Emphor bombiformis 244 Eubolepia Dietz 5, 67, 71 anomalella Dietz 68 Eupagoderes 189, 190 argentatus 194 aridus Fall 192, 194 decipiens 193 desertus 194 PAGE Eupagoderes dunnianus 193 gemmulatus 194 lucanus 193 marmoratus Fall.. ..191, 193 mortivallis Fall 192, 194 nivosus Fall 190, 193 sordidus 193 speciosus 193 varius 194 wickhami 194 Euresia Dietz 5, 20, 69 pulchella Dietz 20 EuryglossacalliopsellaC&.208, 211 chrysocoras 209, 211 ephippiata 211 frenchi 211 jucunda 209, 212 leptospermi 211 myrtacearum Ckll. ..207, 212 pavonura Ckll 211, 212 perditiformis Ckll....207, 211 reginae 212 salaris Ckll 210, 212 schomburgki 212 semipurpurea Ckll. ..208, 211 sinapipes 211 subfusa Ckll 210, 212 subserica 212 victoriae Ckll 207, 212 Euxoa angulirena Smith 257 biformata Smith 261 brevist riga Smith 257 cervinea Smith 262 flutea Smith 255 i ndensa Smith 263 lenola Smith 260 poncha Smith 258 rabiata Smith 255 teplia Smith 253 truva Smith 259 vertesta Smith 254 Fishia instruta Smith 264 Gastropsis pubescens 244 Greeleyella poly tricha 245 Gronoceras catulus Ckll 213 IV INDEX PAGE Habropoda bettoni Ckll 215 festiva 215 Hadronema festiva Van Duzee.. 80 Halictus albofasciatus 225 behri Ckll 228, 230 bicingulatus 231 blackburni Ckll 232 cambagii Ckll 236 dampieri 228, 230 davidis Ckll 234 ewarti Ckll. 230, 243 eyrei Ckll 226, 230 flindersi 228, 330 forresti 232 galpinsiae 225 hedleyi Ckll 231, 243 humilis 228, 230 lanaris 235 leai Ckll 237 maitlandi Ckll 233 papuarum Ckll 235 paracolletinus Ckll 201 rowlandi Ckll 226, 230 stirlingi Ckll 232 tatei Ckll 227, 230 urbanus 227, 230 woodsi Ckll. 229, 230 Haltica 152 convicta Fall. 155 foliacea 158 Hemiglyptus 158 Hemiptera, New North Am 73 Hister gagates Fall. 121 humilis Fall 120 temporalis Fall 120 Holcocera 5, 23, 70 annectella Dietz 63 annulipes Dietz 58 aphidiella 24, 27 boreasella Dietz 25, 47 busckiella Dietz 25, 36 chalcofrontella 25, 33 clemensella 26, 55 confluentella Dietz 25, 36 crassicornella Dietz ...24, 32 Holcocera crescentella Dietz 26, 57 dives Dietz 24 elyella Dietz 25 estriatella Dietz 24 fluxella 26 fumerella 24 funchra Dietz 25 gigantella 24 gilbociliella 25 iceryaeella 25 illibella Dietz 26 inclusa Dietz 26 inconspicua 25 insulatella 25 interpunctella Dietz.. .26 irenica 26 livorella 25 maligemmella 25 melanostriatellaZ?z>/'.2'.26 messelinella Dietz 25 minorella Dietz modestella 24 morrisoni 26 nana Dietz 25 nigristriata 24 nucella 25 ochrocephala Dietz. ...24 plagiatella Dietz 25 punctiferella 26 purpurocomella 24 pusilla Dietz 26 quisquiliella 24 reductella Dietz rufopunctella Dietz ...26 sciaphilella 25 simulella Dietz 25 spoliatella Dietz spretella Dietz 26 stygna 25 subsenella (Hypatima).. tartarella Dietz 26 texanella ursella 26 vestatiella Dietz 26 zelleriella Dietz 26 IXDEX PAGE Limonius vernalis Fall 129 Lopidea cuneata Van Duzee 79 Luperodes atricornis Fall 149 crassicornis Fall 151 curvatus Fall 150 intermixtus Fall 151 marginalis Fall. 149 nigrovirescens Fall 152 Malachius acutipennis 142 bakeri Fall. 143 contortus Fall 142 inornatus 142 spinipennis 142 uniformis Fall 142 viridulus Fall 143 Mamestra chunka Smith 265 ortruda Smith 266 Megachile chinensis 212 humilis 213 koreensis 212 mongolica 212 monticola 213 relata 212 remota 213 rhinoceros 213 sculpturalis 212, 213 Morgania appletoni Ckll 216 Mycetoporus 100 hospitalis Fall 101 myops Fall. 102 neotomse Fall 100 Nemosoma caviceps Fall 127 Neobrotica pluristicta Fall 148 Neopharnus Van Duzee 73 fimbriatus Van Duzee 73 Nephrocerus 274, 276 daecki 276 Noctuidae, New 251 Nomia australica 221 basutorum Ckll. 221 crawshayi Ckll 220 flavoviridis 225 hypodonta 223 kurandina Ckll 222 melanoptera Ckll 224 muscosa Ckll 224 PAGE Nomia nana 221 pseudoceratina Ckll 222 regis Ckll 221 tomen tif era 222 Nomioides perditellus 230, 245 Ophrasa 147 arizonica Fall 147 Ophryastes 190 Paracolletes argentifrons...204 206 bicolor 201, 207 caeruleotinctus 204, 207 dentiger Ckll 199, 206 fimbriating Ckll.... 202, 206 flavomaculatus 201, 206 melbournensis Ckll. .205, 206 mimulus Ckll 206 nigroclypeatusO//..204, 207 plumosus 200, 207 providus 203, 206 semipurpureus 203, 206 turneri Ckll 203, 206 vigilans 199, 206 waterhousei 204, 206 Parasphecodes basilautus 0...242 callomelittinus Or. ..230. 237 cirriferus Ckll 241, 243 contaminates Ckll... 238, 243 froggatti 240, 243 schomburgki Ckll... 22,9, 243 sextus Ckll 239, 243 vau 242, 243 vulneratus Ckll 240, 243 Pasites friesei Ckll 217 Phytocoris bipunctatus V. D 77 Pigritia 3 Pipunculidae 267 Pipunculus 274, 276 acuminatus Cress ...2&Q, 297 eequus Cress.... 219, 281, 292 affinis Cress 279, 281, 283 albiseta Cress 282, 318 albofasciatus ...279, 282, 310 alpinus Cress 281, 306 alternatus Cr.. .278, 281, 286 angus Cress 281, 305 appendiculatus Cr... 277, 296 INDEX PAGE Pipunculus appendipes (Tr.280, 319 aridus 314 atlanticus.,277, 279, 280, 294 atramontensis Bks...279, 312 bidens Cress 280, 320 brevis Cress 280, 303 caudatus Cress 278, 289 cingulutus 278, 299 confraternus Banks. 279, 285 constrictus Banks. ..277, 306 coquilletti 280, 315 discolor Banks. .278, 279, 290 dubius Cress. ..278, 281, 284 elegantulus 277, 296 femoratus 0...279, 281, 302 flavicornis 279, 282, 313 flavitarsis 277, 278, 286 flavomaculatus.279, 282, 311 fuscitarsis 279, 290 fuscus 278, 301 horvathi 281, 304 houghi 279, 281, 308 insularis Cress..280, 282, 317 loewii 278, 282 luteicornis Cress 281, 307 mainensis 0-...278, 280, 298 minor Cress 279, 281, 293 nigricornis 278, 286 nigripes 278, 281, 287 nitidiventris 281, 304 pallipes 308 politus 314 proximus Cress 282, 318 reipublica 301 scopariusCV^^.280, 282, 317 semifasciatus Cress. .278, 288 similis 280, 282, 315 sororius Cress 281, 305 subnitens Cress.280, 282, 316 subopacus 281, 291 subvirescens 280, 314 tarsalis Banks 279, 309 translates 314 unguiculatus O^.w..280, 319 varius Cress 278, 309 velutinus Cress 278, 300 viduus Cress 279, 301 PAGE Pipunculus willistonii 282, 313 xanthopodus 279, 312 Plastocerus 137 megalops Fall 138 Plateros coccinicollis Fall 139 roseimargo Fall 139 Plinthisus americanus Van D 75 Ploiophora .......3 Polycesta obtusa 138 Pseudalindria Fall 126 fissiceps Fall 127 Pseudopigritia 3 Rhyparochromusangulatus 74 Scaphisoma apicale 119 dakotana Fall 116 ornata Fall 117 pusilla 119 semiopaca Fall 117 terminata 118 Sphecodes profugus Ckll. .243, 244 Stenocranus felti Van Duzee 88 Synetocephalus Fall 146 autumnalis Fall 146 Systena sexnotata Fall 159 Tenebrioides californica 129 debilis Fall 128 occidentalis Fall 128 tenuistriata Fall 128 Trigona cassias Ckll 247 cincta 247 tescorum Ckll 245 topiorum Ckll 246 Valentinia 5, 13, 69 confectella 13, 18 floridella Dietz 13, 17 fractilinea 13, 15 glandulella 13 nothrotes 13, 16 quaintancella Dietz ....13, 15 repartella Dietz 13, 19 retectella 13 , 17 Verrallia 274 opaca 275 pilosa 275 Zenodochium 5, 11, 69 citricolella 11 coccivorella 12 i& VOLUME XXXVI, NUMBER 1 85 TRANSACTIONS iL. n^r e is i o -&. nsr ENTOMOLOGICAL SOCIETY PUBLISHED BY THE AMERICAN ENTOMOLOGICAL SOCIETY ATTHF ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. SUBSCRIPTION PRICE FOUR DOLLARS PER VOLUME. jG*--< 2C& ^c=^=^ j3^ TRANSACTIONS OF THE AMERICAN ENTOMOLOGICAL SOCIETY. VOLUME XXXVI. Revision of the BLASTORASID^E of North America. BY WM. G. DIETZ, M. D. (Plates I-IV.) The Blastobasidae as now understood and distinguished from the CEcophoridse form a well defined family of the Tineina. Although the term had been used by Mr. E. Meyrick* as far back as 1894, and since that time by Lord Walsingham,t the honor of giving the first definition of the family under consideration belongs to Mr. A. Busck.t Its characters are as follows : Labial palpi variable in development, often dimorphic in the sexes. Maxillary palpi rudimentary. Antennas shorter than the forewings ; excised above the basal joint in some (PI. II, figs. 14, 17a) {Blastobasis, Valen- tinia, Holocera in part, Euresia) , the excision being more or less filled by a scale tuft arising from the proximal end of the excision. The basal joint more or less widened into an eye cap, convex above, concave beneath with a glabrous space which covers the eye in repose ; anterior margin of joint fringed with long, more or less stiff hairs — pecten (PI. II, fig. lb), or else with a conchiloidal shield of close set, long scales (PI. I, fig. la) {Calosima, Zenodochium) . * Trans. Ent Soc, London, 1894, p. 22. t Proc. U. S. Nat. Mus., Vol. XXXIII, p. 199, also Ent. Mo. Mag., Vol. XLV, p. 46. t Proc. U. S. Nat. Mus., Vol. XXXV, p. 187. TRANS. AM. ENT. SOC. XXXVI. (1) JANUARY, 1910. 2 AMERICAN LEPIDOPTERA. Face smooth scaled, vertex often with coarsely appressed scales. Forewings elongated, pointed, with twelve veins ; cell long, veins 2 to 10 crowded at its end (PI. I, figs. 1, 8; PI. II, figs. 13a, 17c), the latter sometimes a little removed from the angle, veins 7 + 8 stemmed, 7 to costa before the apex, rarely to latter; 4 + 5 stemmed in Pigritiae (except Dryo- peria) , free in Blastobases. Basal membrane thickened be- tween the distal end of vein 11 and the costal margin — the stigma of Zeller. Vein lb furcate at base. Hindwings lanceolate to ovate, the costal margin gener- ally refuse from or somewhat before the insertion of vein 8 ; 7 or 8 veins. Posterior tibiae roughened above with long, coarse hair. The pattern of markings of the forewings consists in gen- eral of a patch on both margins at about one-third the wing length, frequently coalescing and forming a fascia, more or less distinct, a spot in the median space before the middle — first discal — and two spots at end of cell, second discals ; more rarely there is a spot on the posterior margin of the cell beyond the middle of wing length ; very rarely ( Calosima) the wing is devoid of all markings. The primary stages of a large number of these insects remain thus far unknown, especially is this the case of the subfamily Pigritiae, of which we are entirely in the dark. The larvae of some Blastobases are known to live in seed vessels, while others are predaceous upon Caocids, Aphids, and possibly other larvae. In his generic table of genera, published in 1907,* Lord Walsingham enumerates eighteen genera, six of which are foreign to our fauna. Of the remaining twelve, Endrosis has properly been referred to the CEcophoridae. Of the other eleven, four {Epigritia, Catacrypris, Cynotes, Hypatopa, syn. Hypatima) , being based on secondary sexual characters or the relation of vein 5 to 3 + 4 of hindwing, become invalid. Thus in his latest revision, published in February of the present year,* we only find enumerated ten genera. Two * Op. cit. WM. G. DIETZ, M.D. 3 of these — Tecmerium, Auximobasis — do nol occur in our fauna. Hypatima Hb., was founded on Chelaria conscriptella Hb., a Gelechid. Hypatopa Wish., type CEcophora inunctella Zell., and Cynotes Wish., type iceryceella Riley, were established on vein 5 of hindwing, being feer from stem of 3 + 4. This character is very variable, not only in different specimens of the same species, but even in the wings of the same individual. Epigritia Dietz, type pallidotinctella Dietz {ochrocomella Clem.), and Catacrypsis Wish., type micella Wish., differ from Pigritia Clem., and Holcocera Clem., respectively, only in secondary sexual characters. Calinita Busck., type spon- sella Busck., is a synonym of Arotrura Wish. — Scythris Hb. Dryope, according to Mr. Karl R. Coolidge,* preoccupied in Diptera and Crustacea, he proposes Dryoperia in its stead. To these eight genera I have to add three new ones, making a total of eleven. They fall into two well defined and easily recognizable groups or subfamilies, as follows : Labial palpi very small, often minute Pigritiae. Labial palpi well developed, long, generally recurved. ..Blastobases. Subfamily PIGRITIA. Characterized as follows : Labial palpi short, moderate in both sexes {Ploiophora) ; very minute in the male, longer and more distinct in the female {Pigritia, Pseudopigritia) , or else very minute in both sexes {Dryoperia). Antennae not excised above the basal joint. Forewings with veins 4+5 stemmed, rarely {Dryoperia) separate. Hindwings with seven veins. The four genera belonging here are distinguished as follows : 1. Veins 4 + 5 of forewing stemmed 2. Veins 4 + 5 of forewing free 4. Dryoperia. 2. Vein 9 of forewing free 3. Vein 9 of forewing and of vein 7 3. Pseudopigritia. 3. Third joint of labial palpi depressed 1. Ploiophora. Third joint of labial palpi not depressed 2. Pigritia. * Ent. News, Vol. XX, p. 112. TRANS. AM. ENT. SOC XXXVI. JANUARY, 1910. 4 AMERICAN LEPIDOPTERA. For further consideration of the genera and species of this subfamily I refer the student to my paper entitled " On Pigritia Clem.,"* but I wish to make here a correction. An examination of the type of Pigritia ochrocomella in the col- lection of the American Entomological Society at the Acad- emy of Natural Sciences of Philadelphia, subsequent to the publication of my paper, proved this to be identical with my pallidotinctella, type of Epigritia Dietz, also that heide- mannella is only a variety of ochrocomella. What had been recognized and described by me as ochrocomella — determined as such by Lord Walsingham — will hereafter be known as erratella. Of the twenty-nine species enumerated in Dr. Dyar's list, one will be reduced to a variety. Subfamily BLASTOBASES. Labial palpi always strongly developed, long, and gener- ally recurved. Veins 4 -f- 5 of forewing free. Hindwings with eight, more rarely (Blaslobasis, Zenodochhcm) with seven veins. Dr. Dyar's list contains twenty-two species of this sub- family. Of these, Blastobasis subtractella Walker is a Gele- chid ; Holcocera quisquiliella Ze\l. I regard as a variety of chalcofrontella Clem. ; Hoi. nubilielta Zell. is identical with Gelechia glandulella Riley (type of Valentinia Wish.) ; Hole, friangularisella Ch. is Hoi. sciaphilella Zell. ; Hoi. fusco- pulvella Ch., no description known, leaving thus seventeen species and one variety ; Lord Walsinghamf in his paper described fourteen new species. Four of these, however (Hj'PaloPa episcia, conia, fasciata and orites) , belong to the GEcophoridse, and have been referred by Mr. A. BusckJ to the genus Borkeuhaiisia Hub. To the remaining ten have to be added two of Chambers' species brought to our notice by his lordship and omitted by Dr. Dyar in his list. This then brings the number of species heretofore described to twenty-nine and one variety. To these I have to add thirty- * Trans. Am. Ent. Soc. XXVII, p. 100 et seq. t Op. tit., 1907. j Proc. U. S. Nat. Mus., Vol. XXXV, p. 204. WM. G. DIETZ, M.D. 5 seven species and ten varieties, making a total of sixty-six species and eleven varieties distributed among seven genera. The latter are distinguished as follows : 1. Hindwings with seven veins 2. Hindwings with eight veins 3. 2. Basal joint of antennae with pecten 1. Blastobasis. Basal joint of antennas with conchiloidal shield.. 2. Zeiiodochium. 3. Veins 3 + 4 of hindwing free 4. Veins 3 + 4 of hindwing stemmed 3. Valeiitiuia. 4. Vein 4 of hindwing from before angle of cell 4. Euresia. Veins 3+4 of hindwing from angle of cell 5. 5. Basal joint of antennae with pecten 6. Basal joint of antennae with conchiloidal shield 5. Calosima. 6. Forewings without ridge of raised scales 6. Holeocera. Forewings with such a ridge 7. Eubolepia. BLASTOBASIS Zell. Type phycidella Zell. Tongue of moderate length, scaly at base. Labial palpi long, recurved, generally a little shorter and stouter in the male than in the female. Basal joint of antennae broad, con- vex, with well-marked pecten ; shaft excised above the base in the male with scale tuft in the excision ; shortly ciliate and finely denticulate beneath. Forewings more or less elongate, pointed; twelve veins, 7 + 8 stemmed, 7 to costa, remaining veins free. Hindwings with seven veins, 4 absent, 3 + 5 connate or stemmed. Hind tibiae with brush of setace- ous hairs above. The only character which distinguishes this genus from the other genera with long labial palpi are the hindwings with seven veins only, agreeing in this with Zeiiodochium and from which it differs by the pecten of the basal joint of the antennae. Blastobasis citricolella Ch. and coccivorella Ch. belong to Zenodochium Wish., Blastobasis umbiliella Zell., glandulella Riley, is a Valentinia. Blastobasis subtraciella Walker, is a Gelechid, Blastobasis sciaphilella TjqW.., {ractilinea 7j&\., quis- quiliella Zell., livorella 7jzYl., and fluxella (?) Zell., belong to Holeocera ; Blastobasis atdugella Zell., to Pigritia Clem. TRANS. AM. ENT. SOC, XXXVI. JANUARY, 1910. b AMERICAN LEPIDOPTERA. The seven species and two varieties may be distinguished as follows : 1. Forewings without fascia 2. Forewings with fascia more or less distinct 5. 2. Unicolorous, pale yellowish-brown 7. vilella. Not yellowish-brown 3 . 3. Pale grayish-fuscous 4. var. simpliciella. Dark fuscous-brown 4 . 4. Basal two-fifths a shade paler 4. var. fiiscopurpurella. Basal two-fifths not paler 1. guilaiidinse. 5. Fascia straight or slightly curved 6. Fascia angulated 7 . 6. With median costal patch 2. lmlstella. Without such a patch 6. distinctella. 7. Ochreous-fuscous, angle of fascia not very acute..3. yucca^colella. Grayish-fuscous, angle very acute 8. 8. Discal spot within the fascia 5. sagitella. Discal spot beyond the fascia 4. plummerella. 1. B. guilaiidinre Busck. Mr. Busck describes this species as follows : " Antennae dark fuscous, basal joint yellowish ; in the male strongly notched beyond first joint, with pecten on this joint ; shortly ciliated in its entire length ; in female simple, basal joint with pecten. Labial palpi smooth, curved, slender, dark fuscous ; tip somewhat lighter. Tongue stout, scaled at base, coiled at the end. Head and thorax yellowish fuscous; forewings dark fuscous with a somewhat lighter shade before apex and along costa. A small deep black spot on middle of cell, two similar black spots at end of cell, one above the other ; below these an indistinct blackish spot and similar indistinct blackish spots along the apical edge. Cilia yellowish fuscous. Hindwings shining, yellowish fuscous. Abdomen shining, dark fuscous ; anal tuft yellow ; underside whitish, speckled with dark fuscous. Legs yellowish with fuscous shadings on the outside ; hairs above posterior tibiae ashy yellow." Alar expanse 14 mm. Bred from Gxdlandina handucella, collected by Dr. Dyar at Palm Beach, Florida, March 5, 1900. I have seen the type specimens in the Nat. Mus. Coll. There is some resemblance to Holcocera chalcofrontella, var. fumerella, from which it is sufficiently removed by the vena- tion of the hindwings. The third joint of the labial palpi is very slender and nearly as long as the second. WM. G. DIETZ, M.D. 7 2. B. hulstella n. sp. (Plate I, fig. 2).— Palpi long, ascending, slightly recurved, moderately thick, the terminal joint nearly the thick- ness of the preceding one, gray, the second joint without densely, the third less so, overlaid with fuscous, extreme apex of former pale. Head gray, speckled with fuscous. Antennae dark fuscous brown, a trifle paler beneath, basal joint sordid grayish-white, scarcely one-half longer than wide, pecten of stiff hairs. Thorax gray, speckled with fus- cous, more densely anteriorly, forewings moderately wide, ground color rather densely overlaid with dark fuscous-brown so as almost to con- ceal the former, but leaving a distinct whitish fascia at one-third, the latter is nearly straight, equidistant from the base at both margins, and slightly bisinuate externally, it is heavily shaded externally, especially in dorsal portion, forming a large, triangular dorsal patch not sharply defined externally ; at the end of the cell are two large, dark brown spots ; the dark dusting is somewhat more condensed along the costal margin ; cilia dark gray, sprinkled with whitish and fuscous scales. Hindwings as wide as the forewings, costa not refuse, apex obtuse ; gray, dusted with fuscous, especially along the margins. Abdomen above brown, segments fringed with pale scales; underside of body and legs grayish-white, dusted with brown, apices of tarsal joints paler. Expanse 15.0 mm., 0.6 inch. Hab. — Texas, exact locality not known. A female speci- men in my collection, contained in the Hulst Collection, and obtained from Prof. John B. Smith of Rutgers College. It gives me pleasure to name this form after its illustrious collector, the late Rev. George Hulst. 3. B. yuccrecolellan. sp. (Plate I, fig. 3.) — Head dark ochreous; obscurely flecked with some fuscous scales ; antennas rather robust in the male, more slender in the female, fuscous brown, basal joint ochreous. Palpi not slender, alike in both sexes, grayish-ocherous, thickly dusted with dark brown scales, apex of the second and third joint pale. Thorax ochreous-fuscous. Forewings elongate, pointed, ground color grayish-ochreous, overlaid with bark-brown scales, the latter intermixed especially in outer part of wing with pale scales, basal space paler than remainder of wing, limited externally by an irregularly curved line, a large subquadrate costal and a smaller dorsal patch, a heavy dash in the fold, base dusted with fuscous, some scatterd dark scales along the fold, the marginal spots are about equi- distant from the base, remainder of wing more densely overlaid with fuscous scales, especially along the costa, with a nebulous spot about the middle, apical part of wing interspersed with whitish scales, which give when examined with a fairly strong lense a "pepper-and-salt" appearance ; two spots at end of cell, the lower one generally larger TRANS. AM. ENT. SOC, XXXVI. JANUARY, 1910. 8 . AMERICAN LEPIDOPTERA. and more distinct, below the latter on the dorsal margin is an indis- tinct spot ; these spots are variable and may be obsolete. Cilia gray, with some whitish scattered scales in basal portion. Hindwings rather narrow, pointed, under 1, grayish with some lustre; cilia gray, nearly 2. Abdomen fuscous, segments fringed with whitish scales; anal bush ochreous-fuscous. Legs grayish, fuscous externally, an oblique band at middle externally and apices of tibiae pale ; tarsi fuscous, joints pale at apex. Expanse 12.0-18.0 mm., 0.41-0.72 inch. Hab. — Texas. Five specimens, three females and two males, in the Nat. Mus. Coll. are before me. They bear the label " Bred from Yucca baccata, iss. Apr. 18th, 1897." It is quite likely that freshly bred material may have a decided darker color. 4. B. plmmiierella n. sp. (Plate I, fig. 4.)— Head, palpi, basal joint of antennae and thorax gray, dusted with fuscous, with some metallic lustre; antennae fuscous, very faintly annulate with pale; stouter, finely denticulate and ciliate beneath, cilia \, deeply excised above basal joint in the male, simple and more slender in the female, palpi slender, a trifle longer in the female than the male, second joint dark fuscous externally and along the margins within, third joint nearly as long as the second, thinly dusted with fuscous. Forewings elongate, ground color grayish-white, clouded with dark fuscous ; base dark fuscous becoming paler externally where it leaves an ill-defined, strongly curved fascia, the summit of which reaches to two-fifths and within the latter is the first discal spot, externally the fascia is limited by dark fuscous marginal clouds beginning at one- third, which more or less coalesce and become effaced externally, the fuscous clouding is more pronounced in costal half of wing, two well- marked spots at end cell, another ill-defined, but strongly curved fascia in apical part of wing ; the fuscous dusting is interspersed with whitish scales ; cilia grayish-fuscous, sparsely sprinkled with whitish scales. Hindwings nearly 1, grayish-fuscous, darker externally and along the dorsal margin ; cilia gray, a little over 1, paler towards the base. Abdomen fuscous, anal bush ocherous ; legs grayish-white, more or less thickly— especially externally— dusted with fuscous, tip of tibiae and tarsal joints paler. Expense 10.0-14.0 mm., 0.4-0.56 inch. Hab. — Plummer's Island, Md. Six specimens, three males and three females, from the Nat. Mus. Coll. are before me. Taken by Mr. A. Busck at the above locality, July, 1903. Somewhat variable in extent and definition of markings and even in wing form. WM. G. DIETZ, M.D. i) Var. fusco-purpurella. Two specimens taken with the above are decidely dark fuscous brown, sprinkled with whitish scales, the latter more profuse in basal two-fifths, this space is acutely angulated outwardly, the apex of the angle extending beyond the mid- dle of wing length. The wings are somewhat broader than in the typical form, and it may prove to be distinct. Var. siiuplicella. A female specimen in my collection from Iowa City, ex- pansion 16.0 mm., 0.64 inch, differs from the above by the second palpal joint being pale at apex, head and basal joint of antennae ochreous-gray, thorax grayish-fuscous. Fore- wings gray, without markings, except a dark fuscous patch at base of costa and two large spots at end of cell. It will probably prove distinct. 5. B. sagitella n. sp. (Plate I, fig. 5.)— Head gray, finely speckled with fuscous, without lustre ; antennae slender, fuscous, very indis- tinctly annulate with pale, finely denticulate beneath, basal joint gray. Palpi moderate (cf) gray, thinly dusted with fuscous, lower margin and a narrow ring before the extreme apex of second joint dark fus- cous, extreme apex pale, third joint conical, two-thirds the length of second. Forewings moderately wide, gray, speckled with dark brown ; a pale fascia at one-third, a little nearer the base on the costal margin and acutely projecting into the median space above the fold, outwardly the fascia is heavily margined with dark fuscous brown, basal portions of wing rather densely covered with dark fuscous scales at the base and along both margins, a fine dark line immediately below the fold ; outer part of wing more densely fuscous in costal portion ; two well marked spots at end of cell ; about six or seven well marked marginal spots around the apex, those on the costa more distinct. Cilia gray, dusted with fuscous scales, especially in basal portion. Hindwings a trifle under 1, grayish-fuscous, rather obtusely pointed, cilia grayish-fus- cous, especially towards the apex, with pale basal line. Thorax and abdomen dark fuscous, anal bush ochreous-gray. Legs grayish-fus- cous, tarsi darker. Expanse 11.0 mm., 0.44 inch. Hab. — Hazleton, Pa. A single male specimen, taken at light, August, 1908. Well marked and unlike any other species of the genus. TRANS. AM. ENT. SOC. XXXVI. (2) FEBRUARY, 1910. 10 AMERICAN LEPIDOPTERA. 6. B. distinctella n. sp. (Plate I, fig. 6.)— Head grayish-white, with some lustre, antennae slender, grayish-fuscous, indistinctly annu- late with paler, basal joint grayish white. Labial palpi long, slender, the third joint three-fourths the length of the second, whitish, rather densely dusted with fuscous scales without, less so within, extreme apex of second joint and basal portion of third whitish. Thorax grayish-fuscous. Forewings elongate, pointed, ground color white, outer three-fifths rather densely dusted with fuscous, especially so ad- joining the whitish basal portion, the latter speckled with fuscous towards the base, thus leaving a nearly white fascia at two-fifths, ap- proximately straight, somewhat irregular without and ill-defined within ; a rather large, ill-defined spot at the middle at one-half the wing length, and two crescent shaped coalescent spots at end of cell, the upper one reaches a trifle further outwardly, their concavity towards the base ; beyond these is a rather large, irregular spot. Cilia gray- ish with some scattered brownish scales. Hindwings 1, gray, dusted with fuscous, especially towards the apex, cilia 1, gray with pale basal line. Abdomen fuscous, segments fringed posteriorly with pale scales. Legs grayish-fuscous, tibia at apex, an ill-defined spot at middle externally, and apices of tarsal joints paler. Expanse 17.0 mm., 0.68 inch. A female specimen without locality label in the Nat. Mus. Coll., numbered 21,469. It bears some remote resemblance to the European B. phy ridel la, but the insect is lighter in color, more strongly marked, wings, especially the hind wings, wider and less pointed. 7. B. villella Busck. — " Labial palpi light yellowish-brown, black- ish on the outside, Face, head, thorax and anterior wings unicolorous light yellowish brown, the same shade as in pergandella (Triclouella) , without markings of any kind. Posterior wings shining yellowish fus- cous, cilia golden brown. Legs yellowish brown, tarsi on the outside blackish. Alar expanse 15 mm." The type, a female specimen in the National Mus. Coll., was bred by Mr. Pergande from Xalisma {Andromeda) ligus- trina, collected at Cabin John, Md. Mr. Busck referred this species to his genus Triclonella. In a personal conversation, however, he informs me that it belongs to Blastobasis. The venation of the hindwings is that of the genus under con- sideration, but as to the forewings I could not satisfy myself. It certainly is an aberrant form. WM. G. DIETZ, M.D. 11 ZEXODOCHIUM Wish.. Type. — Monopetali Wish. Agrees with Blastobasis in venation, and from which it dif- fers by the conchyloidal shield of close set scales, replacing the pecten of the basal joint of the antennae. Lord Walsing- ham describes the palpi "middle joint densely clothed." While this cannot be said of the two species which I refer here, I consider the character too vague to be of generic value. 1. Z. citricolella Ch. (Plate I, figs. 7, la.)— Head white, thinly speckled with pale fawn-colored scales ; face smooth, vertex somewhat rough-scaled, Antennae white, tinged with gray, finely denticulate beneath, basal joint with a few scattered fawn-colored scales; pecten replaced by a flattened, curved tuft of white scales. Labial palpi long, not very slender, white, thickly sprinkled, especially externallv, with brownish scales, third joint nearly as broad at base than the apex of the second joint and about two-thirds the length of the latter {t«,^J l^r. ~ ~^j& • • 15 16 ^s^^-^ 17a 17b DIET2 ON MICRO-LEPIDOPTERA. Tr. Am. Ent. Soc, Vol. XXXVI. PI. III. 21 28 30 DIETZ ON MICRO-LEPIDOPTERA. Tr. Am. Ent. Soc, Vol. XXXVI. PI. IV. 31 35 32 „~: r.,.r-| ^ 37 33 38 - — — Js- -•*' 33a 38 39 33b 34a. 34 40a 40 DIETZ ON MICRO-LEPIDOPTERA. CONTENTS. Revision of the Blastobasidae of North America. Pis. I-IV. By Wm. G. Dietz, M. D 1 « *s> &: ^' VOLUME XXXVI, NUMBER 2 & TRANSACTIONS OF THE ^ILCZEZRIC^II^" ENTOMOLOGICAL SOCIETY • Muse^ PUBLISHED BY THE AMERICAN ENTOMOLOGICAL SOCIETY AT THR ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. & SS SUBSCRIPTION PRICK FOUR DOLLARS PER VOLUME. $ m EDWARD P. VAN DUZEE. 73 DESCRIPTIONS OF SOME NEW OR UNFAMILIAR NORTH AMERICAN HEMIPTERA. BY EDWARD P. VAN DUZEE. NEOPHARNUS n. gen. Closely allied to Pharnus but differing principally in hav- ing the head shorter, the cheeks broader, rounded, approach- ing and almost contiguous at apex above and beyond the tip of the narrow tylus. Antennae longer than in Pharnus, the joints regularly increasing in length. Bucculae elevated anteriorly, its angle subacute and a little advanced, post- eriorly becoming evanescent opposite the middle of the eye. Rostrum attaining the apex of the third ventral segment, first joint but little surpassing the base of the head. Pro- notum broader than in Pharnus, the lateral angles produced in a rounded subnodular lobe directed outwardly; latero- anterior margins narrowly foliaceous-expanded and eroded and armed with a few irregular tentacular teeth. Scutellum and elytra as in Pharnus. Abdomen broad, the connexivum expanded with the apical angles of the segments prominent. Venter with a broad flat carina in a wide shallow depression. Orifices produced in a straight sulcus which terminates ab- bruptly about half way to the margin of the pectus. Meso- sternum and tubercular base of the second ventral segment as in Pharnus. Tibiae sulcate. This genus differs from Pharnus in having the cheeks pro- duced and almost contiguous before the narrow tylus and the margins of the pronotum laciniate. Type Neopharnus fimbriatus. Neoplmrims fimbriatus n. sp. Broad oval with much the aspect of Pharnus inconspicuous H. S. Whole surface punctate and hairy. Margins of the cheeks deeply sinuated before the eyes then almost parallel to the rounded deeply notched apex of the head ; the base of the tylus and a line next each ocellus smooth. Pronotum quite strongly depressed before the middle ; TRANS. AM. ENT. SOC, XXXVI. (10) APRIL, 1910. 74 AMERICAN HEMIPTERA. latero-anterior margins irregularly eroded, with about four filimentous teeth, those at the anterior angles reaching to the front of the eyes; callousities and an indistinct sublateral and median vitta smooth or somewhat calloused ; the surface posteriorly with irregular transverse rugae; the nodular humeri narrowly margined. Scutellum uneven and swollen at base ; the produced apex with a thickened submargin and short median carina. Connexivum broad, deeply notched, the base of the segments swollen. Length 12 mm., width across the abdomen 8 mm. Color obscure, fulvo-testaceous tinged with ferruginous on the base of the scutellum and the humeral angles. Whole surface punctured with fuscous ; these punctures becoming black in places, especially on the middle of the pronotum anteriorly, scutellum and costal area of the corium. On the lower surface there is a line on either side of the head beneath the base of the antennae, a dot before the eye, a curved line below the expanded margin of the pronotum, a few dots and lines on the pleural pieces and the incisures at the margins, black. Sides of the pleurae and venter strongly irregularly punctured with black, the disk smooth. An anriulus before the apex of the femora, two on the tibiae and a point on the knees fuscous or black ; middle of the antennal joints dusky. Described from one female taken in Florida and kindly given me by Mr. J. H. de la Torre Bueno. This insect has much the aspect of a small Brochymena, but in its generic characters it agrees entirely with Pharnus except for the pro- duced contiguous cheeks, fimbriate margins of the pronotum and produced nodular humeri. Rhyparochromus aiigiistatus n. sp. Form oblong, parallel-sided ; black, with the legs ferruginous and the costal and sutural margins of the corium whitish, forming a dis- tinct M when the elytra are closed. Length 5 mm. Head black, minutely aciculate ; vertex moderately convex, nearly- square ; cheeks and tylus produced in a blunt triangle, the front of the head less deflexed than in the Europen prcetextatus . Antennae flavo- testaceous ; first joint surpassing the tylus by one-third of its length ; second nearly twioe the length of the first, blackish at tip ; third shorter than the second, piceous becoming pale at base ; fourth scarcely longer than the third, blackish. Rostrum castaneous, attaining the intermedate coxae ; second joint obviously but not greatly longer than the third. Pronotum subquadrate, minutely rugulose ; anterior angles moderately rounded ; sides distinctly and continuously but slenderly carinated, feebly sinuated ; anterior lobe slightly convex, hardly twice the length of the posterior; the latter of a velvety piceous-black, con- EDWARD P. VAN DUZEE. 75 trasting with the dull black of the anterior lobe ; hind margin rather deeply arcuated. Scutellum black, nearly flat, about equilateral. Elytra short, coarsely punctured ; piceous-black inclining to castane- ous exteriorly on the corium and along the commissural and scutellar margins of the clavus ; the claval margin of the corium slenderly but conspicuously, and the costa more indefinately whitish, thus forming an M-shaped mark when the elytra are closed. Membrane shorter than broad, rounded behind, white aCbase, abruptly pitchy at apex; Beneath black, coxas and legs castaneous or rufo-ferruginous, darker at apex; anterior femora piceous across the middle, strongly inreas- sated, with about three small teeth along the inner (anterior) edge, the apical the larger. Described from nine examples from Victoria (presumably Vancouver Island) in the collection of the Museum of Com- parative Zoology, and five from Olympia, Washington, in the Cornell University Collection. The Victoria specimens, which were kindly sent me by Mr. Henshaw, bare the MSS. name Megalonotus angustatus Uhler, which I have adopted, using, however, the earlier generic name Rhyparochromus. The elytra sometimes become pale castaneous, but the con- spicuous M-shaped marking seems to be constant. I have seen only brachypterous examples. This is the second North American species of Rhyparochromus known to me. Of the other, Megalonotus sodalicius Uhler, I have seen two examples taken in California by Mr. J. C. Bradley and be- longing to the Cornell University Collection. Plintliisus americanus n. sp. Closely allied to the European lasiomerus, a little larger and paler. Head impunctate, polished, apex of the cheeks produced in a minute spine either side of the tylus. Antennae distinctly tomentose ; first joint surpassing the tylus by one-half its length, second about one and one-half times the length of the first ; third and fourth fusiform, each about the length of the first. Rostrum reaching nearly to the front line of the intermediate coxas, the first joint attaining the prosternum, the second slightly longer. Pronotum but little narrowed anteriorly, the sides feebly sinuated posteriorly ; anterior angles abruptly rounded behind the eyes; posterior lobe coarsely punctured, anterior smooth, polished, with a row of small punctures behind the anterior margin; hind edge feebly concave. Scutellum equilateral, a little raised above the elytra, closely punctured. Elytra polished, closely punctured, the punctures more obscure on the disk of the corium, those of the clavus larger and arranged in lines. Membrane short, attaining the middle TRANS. AM. ENT. SOC, XXXVI. APRIL, 1910. 76 AMERICAN HEMIPTERA. of the fifth tergal segment, rounded behind, without visable venation. Anterior femora strongly incrassated, armed with two short teeth placed interiorly toward the apex. Length 3| to 4 mm. Coloi': Head and pronotum castaneous or piceous, the posterior lobe of the latter, the legs and the rostrum flavo-testaceous ; scutellum piceous or black. Elytra flavo-testaceous or somewhat castaneous, becoming darker on the disk of the corium ; membrane whitish. Beneath piceous varied with castaneous, the ventral segments edged with paler. Tergum piceous-black. Antennae pale at base, becoming piceous apically. Normally this insect seems to be clothed with long pale hairs which are easily rubbed off. Described from one male and two females taken at Fran- conia, New Hampshire, by Mrs. Annie Trumbull Slosson, and one female taken at Belleville, Ont., by Mr. J. D. Evans. Drynius erassus n. sp. Closely allied to unus Say, but larger and darker. Bucculae more arcuated than in units, leaving a broader rostral groove which reaches quite to the base of the head. Antennae longer, the second joint pro- portionally longer than the third. Rostrum reaching to the posterior coxae; in unus scarcely attaining the intermediate. Pronotum broader anteriorly and more convex than in the allied species ; in the male the anterior lobe is scarcely if at all narrower than the posterior, the sharply carinate sides but feebly sinuated ; posterior lobe a little paler and more coarsely punctured than the anterior, with a distinct medial depression as in unus. Scutellum as in unus but subcarinate behind the impressed disk. Elytra closely but more obscurely punctured than in unus. Pectus deeply punctured, propleura armed with a rounded tooth between the anterior coxae which in the other species is small and acute ; metapleural flaps impunctate and polished. Venter sha- greened, scarcely punctured, with the minute fulvous pubescence much less conspicuous than in unus. Anterior femora much incrassated, armed with one stout tooth near the apex. Length 6-7 mm. Colors darker and more obscure than in unus. Head, anterior lobe of the pronotum, pectus and scutellum black ; antennae, legs, posterior lobe of the pronotum, elytra and venter rufo-piceous, becoming darker on the clavus and disk of the corium. Membrane blackish-opaque, paler at base and marked with a pale spot at the tip of the corium. Rostrum and tarsi pale rufo-testaceous. Described from three examples, one male taken by Wm, Beutenmuller in the valley of the Black Mountains, N. C, July 29th, 1906; a female from Camden, N. J., collected by S. T. Kemp, and a female taken on the summit of Mt. Washington, N. H., by Mrs. Annie Trumbull Slosson, This EDWARD P. VAN DUZEE. 77 is distinctly larger and darker than the species I identify as unus. The smaller and paler form agrees best with Say's description in having the antennae " honey yellow," the sides of the pronotum distinctly arcuated with the carinate edges a " little depressed and translucent," and the length "one fifth of an inch," none of which characters would apply to the larger and darker crassus. On the other hand the elytra of the smaller species are distinctly paler on their base, a character not mentioned by Say, but this is much less con- spicuous in some examples, and need not invalidate the determination. Phytocoris bipunctatus n. sp. Closely allied to antennalis and annulicornis ; smaller, proportiona- tely narrower and darker than the former, with the sternum and base of the femora pale sanguineous, and the elytra marked with a con- spicuous round white dot near the apex of the corium. Length 4 A- mm. Head shorter than broad ; vertex, viewed from above, a little longer than the breadth between the eyes, distinctly sulcate, slightly narrowed anteriorly, sloping, and then abruptly deflexed at apex ; fusco-ferrugin- ous ; clypeus prominent, black, with a large white discal spot ; throat pale rufous. Rostrum attaining the base of the abdomen ; rufo-testace- ous, piceous at tip. Antennas surpassing the tip of the elytra; first joint a little shorter than the basal width of the pronotum, its thick- ness two-thirds the superior width of the eye, minutely pubescent, fusco-ferruginous, slightly varied with pale with a whitish annulus before the middle and another near the apex; second joint slender, black, bi- annulate with white, the basal annulus farther from the base of the joint than in antennalis ; third joint two-thirds the length of the second, pale brown with the broad base and an ill-defined annulus beyond the middle pallid ; fourth feeble, shorter than the first and darker than the third. Pronotum sub-campanulate ; sides feebly arcuated ; cal- lousities small and rounded, prominent ; color fuscous, becoming black posteriorly and ferruginous brown anteriorly ; hind edge white, quad- risinuate before. Scutellum fuscous-brown or almost black, with the apex whitish and sometimes with a pale spot on either side of the base of the posterior lobe Elytra fuscous or blackish, becoming paler along the middle of the corium posteriorly and sometimes on the clavus inwardly ; corium with a conspicuous round white discal spot toward the apex ; cuneus deep fuscous with two black marks on the margin next the membrane. Membrane fuliginous, the nervures darker, outer edge with a small pale mark at the apex of the cuneus and a fainter one a little beyond. Beneath fuscous, becoming paler on the pectus and disk of the venter. Sternum, coxa?, trochanters TRANS. AM. KNT. SOC, XXXVI. APRIL, 1910. 78 AMERICAN HEMIPTERA. and base of the femora pale rufous ; anterior and intermediate femora becoming piceous toward their apex ; hind femora obscure fuscous, irrorate with paler; anterior tibiae blackish, triannulate with white; intermediate and posterior brown, obscurely varied with pale; tarsi brown, broadly annulate with pale. Genital segment of the male with a stout curved tooth before the sinistral genital notch. Described from numerous examples swept by me from the dry grass in the open pine forests of Florida south of San- ford, and identified as Phytocoris antennalis in my list of Florida Hemiptera. This species is very close to antennalis, and especially to annulicornis, but I believe it distinct. The white elytral spots and the color of the legs are distinctive and apparently persistent. The general color also is darker than in annulicornis, and the basal joint of the antennae is shorter than in antennalis. Last July I took, a characteristic example of antennalis at Ipswich, Mass., which extends its range considerably to the north. Dichrooscytus marmoratus n. sp. Pale yellowish-green more or less washed with clear green, especially on the pronotum and clavus, sometimes, and in life perhaps always, clear green on the pronotum, scutellum and elytra; costa, at least narrowly, yellowish ; cuneus toward its apex and the veins of the mem- brane sanguineous ; membrane fuscous irrorate with pale, especially toward the base, and marked with two larger pale spots on the mar- gin beyond the tip of the cuneus ; apical nervure of the corium darker or even sanguineous. Surface polished, clothed with short blackish hairs on the pronotum and elytra, with a few longer black hairs near the anterior margin of the pronotum. Head yellow, polished, im- punctate ; in the female broader than the front of the pronotum, but much narrower than in suspectus ; base of the vertex very obscurely impressed either side. Antennae rufo-testaceous, first joint surpassing the apex of the head by nearly one-half its length ; second about four times the length of the first and about one-half its thickness, linear ; third slender, one-half the length of the second, darker at apex ; fourth still shorter and thinner but longer than the first, fuscous. Pronotum polished, impunctate ; sides straight ; collum linear, distinct ; callou- sities prominent. Beneath yellowish, the propleura tinged with green. Legs pale, the tibia? sometimes tinged or irrorated with rosy pink ; tibiae darker at apex ; tarsi brown, black at tip. Length 5 mm. Described from numerous examples taken at Almagordo, New Mexico, belonging to the Academy of Natural Sciences EDWARD P. VAN DUZEE. 79 of Philadelphia, and kindly loaned me for study by Dr. Skinner. The males have the pronotum more narrowed anteriorly, the eyes more prominent, the vertex narrower and more depressed and the rostrum shorter, not surpassing the hind coxae. Of perhaps 150 specimens sent most were of some shade of yellowish-green, but a few were of a clear green with the sanguineous color confined to the margin of the cuneus and veins of the membrane. This species differs from Dichrooscytus by the narrower head, almost immarginate vertex, and longer basal joint of the antennas. It has, how- ever, the impunctate pronotum and general facies of this genus, and I believe it should stand here and not in Lygus. The irrorate membrane is conspicuous and distinctive. Lopidea cimeata, n. sp. Oblong-ovate, broader than media and its allies ; fuscous-brown with the narrow costa and the cuneus pale. Length 6 mm. Head fuller and proportionately broader than in media, the vertex not so sunken ; face broader below, the margins distinctly rounded beyond the insertion of the antennae ; color pale flavo-testaceous, base of the vertex black, large disk of the front fuscous with a broad pale longitudinal vitta ; clypeus black, polished. Antennas black ; first joint as long as the width between the eyes ; second as long as the head and pronotum together ; third two-thirds the length of the second ; fourth hardly so long as the first. Rostrum attaining the posterior coxae or nearly so ; piceous, with the sides of the first joint paler. Pronotum fuscous, with the anterior margin and the sides narrowly pale ; broader and shorter than in media; the callousities very strongly elevated, almost tubercular, separated by a deep impression; anterior margin feebly concave, broadly depressed ; sides broadly reflexed, a little sinuated ; hind margin slightly concavely arcuated ; posterior lobe dull, transversely rugose with a feeble depression. Scutellum fuscous, moderately convex. Elytra a little shorter and broader than in media, fuscous-brown ; base, costa, and a short streak on the base of the cubital vein slenderly pale, the commissural nervure very narrowly so; cuneus pale, tinged with rufous within and tipped with black; membrane dark fuliginous. Beneath brown, more or less tinged with rufous along the sides. Legs brown ; coxse, trochanters, and some- times the base of the femora whitish ; propleura pale or suffused with rufous. Described from one male and four female examples which were beaten from a large balsam poplar tree at Lancaster, TRANS. AM. ENT. SOC, XXXVI. APRIL, 1910. 80 AMERICAN HEMIPTERA. N. Y., on August 4, 1906, where they seemed to be feeding on plant lice. This species is a true Lopidea, although it is broader and darker than any other species yet de- scribed from this country. The pale streak on the cubital nervure, and the whitish or rosy cuneus readily distinguish this species. Mr. Fordyce Grinnell, Jr., has taken an insect on the San Jacinto Mountains, California, at an altitude of 5000 feet, which probably belongs to this species. It is darker on the head, abdomen, and elytra, and the latter wants the pale streak on the cubital nervure and the black tip to the cuneus, and the scutellum is rufo-piceous. Hadrouema festiva n. sp. Form of picta but with the vertex swollen as in robusta. Color black, corium orange, with a large black spot on the inner angle. Length 3^ mm. Head prominent, the vertex strongly convex, especially in the female ; front vertical, strongly impressed at the base of the very convex tylus. Rostrum reaching nearly to the base of the intermediate coxae. An- tennae about as in picta, first joint very short and stout, armed with a few stiff black hairs ; second over three times as long as the first, minutely pubescent ; third a little longer than the second and thinner; fourth still more slender and shorter than the first. Pronotum longer than in picta, strongly narrowed anteriorly; sides feebly sinuated ; hind margin slightly concave ; humeral angles prominent ; surface roughly shagreened ; collar very narrow but distinct. Color blackish piceous, sericeous pubescent and quite strongly prui- nose, especially beneath ; pronotum, elytra, and legs with longer whit- ish hairs ; inner cheeks paler ; slender hind edge of the ventral seg- ments pale ; corium fulvous, fading to yellowish inwardly and marked on the inner angle by a large blackish spot which connects with the black of the clavus ; membrane smoky iridescent and paler at the margin and along the cuneus, the nervures blackish. Described from numerous examples taken at Alamagordo, New Mexico, in late April and early May, belonging to the Museum of the Academy of Natural Sciences of Philadelphia. I can find no description agreeing at all with this insect. In many examples there is a greenish incrustation occupying the depressions on the base of the vertex and on the sides of the pronotum behind the callousities. EDWARD P. VAN DUZEE. 81 CYPHOPELTA n. gen. Related to Closterocoris, but with the pronotum subcylin- drical before, much as in Pseudoxenetus, and the scutellum strongly tumid. Head about as in Closterocoris, long ovate- conical, placed obliquely ; vertex longitudinally feebly con- vex, sloping almost from the base, transversely a little con- vex ; tylus with a longitudinal abbreviated groove on either side; lorae elongate-conical, convex; cheeks prominent; gula broad, convex, with a longitudinal depression on either side anterior to the eyes ; eyes much elongated and placed obliquely. Antennas slender, as long as the pronotum and elytra together. Rostrum reaching between the intermediate coxae ; first joint attaining the middle of the gula. Pronotum long, anterior lobe almost cylindrical, callousities scarcely distinguished ; posterior lobe short, abruptly flaring. Scu- tellum strongly convex, with a deep constriction between the anterior and posterior lobes ; the former partially exposed, the latter greatly elevated in a hemispherical nodule. Elytra longer than the abdomen, almost parallel, the sides very nar- rowly reflexed ; surface obscurely punctured. Legs long and slender, the hind femora exceeding the tip of the abdo- men ; anterior coxae strongly swollen. Type. — C. modesta n. sp. Cypliopelta modesta n. sp. Long, parallel sided ; rufous ; head, membrane, and apex of the abdomen black, elytra twice banded with white. Length 8 mm. Head black, becoming piceous anteriorly, the orbits of the eyes dull rufous. Antennas soiled testaceous ; first joint as long as the greatest width of the head, lineate with piceous beneath ; second more than twice the length of the first, linear, minutely sericeous ; third about two-thirds the length of the second ; fourth longer than the first but shorter and thinner than the third. Rostrum pale rufous, base and apex piceous. Pronotum minutely transversely rugulose, anterior lobe a little swollen before the transverse constriction ; dull rufous, shading to piceous posteriorly, and in a less degree anteriorly ; hind edge slightly emarginate and slenderly edged with white. Scutellum im- punctate, highly polished on the tumid posterior lobe, which is elevated to the level of the highest point of the pronotum. Elytra and scutel- lum clear light rufous ; the corium marked with an oblique slightly curved, narrow white vitta a little before the apex of the clavus, and TRANS. AM. ENT. SOC, XXXVI. (11) APRIL, 1910. 82 AMERICAN HEMIPTERA. a blackish cloud on the apex inwardly ; base of the cuneus broadly white ; membrane blackish fuscous, the nervure still darker. Legs and beneath light rufous ; osteolar orifice white ; venter piceous black, polished, becoming rufous on the base and oviduct, the sixth con- nexival segment terminating in a distinct spine ; posterior femora a little darker ; tips of the tibia? and the tarsi blackish. Described from one female example taken on Mt. Wilson near Los Angeles, California, June 5, 1909, by Mr. Fordyce Grinnell, Jr. This is a handsome and interesting addition to the Hemipterous fauna of California. It recalls the Lygseid Pamera bilobata, but pertains to Reuter's new division Cremno- cephalaria of the Capsidae. Elidiptera fusiformis n. sp. Quite distinct from any other species known to me. Front banded ; vertex short, elytra expanded at base, and vaguely banded with brown at base and across the middle. Length to apex of the elytra 11 mm. Head short; vertex almost square, median line sulcate, lateral carinas oblique, base broadly arcuated, almost parallel with the an- terior margin. Front oblong, broadest at the apical one-fourth, sides sinuated, broadly laminate-expanded and translucent, apex angularly but not deeply excavated, median carinas weak. Clypeus sub-tri- angular, sides feebly arcuated. Pronotum a little longer than the vertex, strongly carinated, hind margin angularly and rather deeply emarginate. Patagiae large, transverse. Mesonotum large, closely aciculate, median carina feeble, lateral arcuated, strong anteriorly, weak posteriorly. Elytra fusiform when closed ; broad at base, much narrower toward the apex. General color piceous brown, becoming paler on the vertex, prono- tum, apex of the elytra and abdomen ; irregularly varied and irrorate with pale ; carinas and margin of the various parts mostly pale ; apex of the scutellum whitish. Elytra closely inscribed with white, form- ing a broad band across the basal third, but omitting the humeral angles ; apical third paler and less clearly inscribed ; middle of the broad costal areola with three approximate oval black spots, and there is a brown patch on the stigma and a few smaller marks near the apex ; nervures mostly pale. Front and pectus cream white with a narrow piceous band on the base, which crosses the eye and becomes black on the propleura ; clypeus brown. Coxae and legs pale brown. Ab- domen pale brown, darker on the sides and apical segment. Wings slightly enfumed with brown nervures. Described from one female in the collection of the Museum of Comparative Zoology which bear the label, " Goose Lake, EDWARD P. VAN DUZEE. 83 Siskiyou Co., Calif., Hollemann." This species has the banded front of pallida and the short vertex of variegata, but the form and general aspect are quite distinctive. Elidiptera Hcushawi n. sp. Allied to pallida, but proportionately longer ; front strongly banded, clypeus brown. Length to tip of the elytra: male, 9 mm. ; female, 11 mm. Head shaped as in pallida. Vertex elliptical, scarcely longer than broad, a little elevated at the apex, margins sharply carinate, median impressed line distinct. Front elliptical above, broader and rounder toward the apex; median carina distinct, apex obtusely angularly emarginate ; clypeus elongate-triangular ; its sides nearly rectilinear. Pronotum as in pallida, about as long as the vertex, rather broadly rounded before, broadly and obtusely emarginate behind. Patagise transverse, larger than in pallida. Mesonotal carina? prominent. Elytra oblong, parallel, but little narrowed to the base. Last ventral segment of the female narrower than in pallida, and more angularly emarginate at apex. Ventral tooth of the male pygofer broad, sub- angularly emarginate at apex, as long as the base of the segment. Color fuscous-brown above, minutely irrorate with pale, vertex and pronotum sometimes a shade paler; elytra obscurely varied with darker and marked with about two blotches on the discal areola, and three round blackish points on the middle of the costal. Beneath and legs pale brown ; base of the front and sides of the pleural pieces piceous, sharply distinguished from the pale yellowish apex of the front and chest. Described from one male and four females taken at " Pressy's " in Wenas Valley, Washington, July 6, 1882, by Mr. Samuel Henshaw, to whom I dedicate the species in acknowledgement of the willing assistance he has so fre- quently extended to me in my insect studies. This species has about the form of septentrionalis, but it is larger, and has a strongly banded front. Helicoptera pinorum, described by Mr. A. B. Manee in the Entomological News for March, 1910, is the female of Eli- diptera opaca Say, as I know from a specimen which he kindly sent me for my collection. Elidiptera floridae Walker. Smaller than any of the allied species, about the size of Catonia grisea. Vertex strongly produced, considerably longer than its basal width, exceeded in length only in colorata, elliptically narrowed to the TRANS. AM. ENT. SOC, XXXVI. APRIL, 1910. 84 AMERICAN HEMIPTERA. rounded apex, median line sulcate. Front narrower than in septentrio- nalis, its sides more strongly sinuated and with the median line cari- nate. Pronotum produced almost to the anterior line of the eyes, trun- cate before ; hind margin angularly emarginate, about as in septen- trionalis; lateral carinse prominent, median almost obsolete. Meso- notum but feebly convex, carinse subobsolete, except the median for a short space anteriorly. Elytra narrow, the costa but feebly expanded. Color a uniform fuscous-brown, scarcely varigated, a little paler on the vertex and pronotum ; patagise pale cinerous. Elytra a little darker, very obscurely irrorated with pale posteriorly and with the costa some- what paler ; three black points near the apex as in most of the allied species, but none in the costal areole. Front of a uniform dark brown, its carinate edges and those of the vertex pointed with black ; clypeus deep fuscous, almost black ; sides beneath with a broad percurrent whitish vitta beginning on the cheeks before the antennas, bordered above with blackish ; posterior coxse and the genital segments paler. Legs concolorous, brown. Wings deeply enfumed with fuscous ner- vures. Length scant 7 mm. Lakehust, N. J., one male, taken May 29th by Mr. W. H. Davis. This insect agrees with Walker's description in every respect, except that the pale irrorations of the upper surface are almost obsolete and the red spot at the base of the abdo- men on either side is represented by pale ferruginous. I have no doubt but it is the species described by him. A single female, taken at the same place and but one day earlier, may belong to this species. It has a much shorter vertex and is paler with the elytral maculation quite distinct ; the costal areola has the usual three black points, there are two larger ones on the disk of the corium, and the three near the apex are conspicuous ; the front is broader with its sides rectilinear, its basal third is blackish, the apical two-thirds and the clypeus are a uniform brown ; the lateral white vittse beneath are scarcely distinguished, but the bounding black vitta above it is conspicuous. The differences here are more than I have seen between the sexes of any other species of Elidiptera, but I do not care to separate them without more material. Were it not for the very different shape and color- ing of the front and vertex I would have no doubt about this being the female of floridce. I now follow Kirkaldy and others in using the name Elidiptera Spinola, in place of EDWARD P. VAN DUZEE. 85 Helicoptera A. and S., for which latter name there seems to have been no adaquate justification. Catonia dimidiata n. sp. Allied to impunctata Fitch, but easily distinguished by having the front entirely black, with the clypeus white, and the vertex and pro- notum without the black discal fovae. Head, pronotum, and meso- notum ferruginous-brown becoming light on the disk of the vertex and pronotum, and on the base and apex of the discal area of the meso- notum, the carinae lighter anteriorly; discal areola? of the vertex marked with darker brown. Front black, becoming ferruginous on the rounded apex of the head, margins strongly elevated, not obviously constricted between the eyes ; clypeus white, minutely dotted with brown along the elevated margins ; cheeks black above, white below, the antennal sockets pale. Pronotum dark brown beneath the eye, the carinas and included surface paler, yellowish ; patagiae a little darker. Elytra testaceous brown, a little infuscated on the base of the corium, behind which is a vague whitish cloud ; transverse veinlets and apex of the clavus whitish. Wings smoky with fuscous nervures. Legs whitish with a dusky spot on the base of the hind tibias exteriorly. Abdomen paler at apex and on the edges of the segments in the female ; blackish in the male. Female genitalia substantially as in impunc- tata. In the male the median tooth of the basal valve is short tri- angular, its blunt apex attaining the middle of the plates, the margins either side of the tooth forming a moderate sinus and then retreat- ing to the basal angles. In impunctata this median tooth is long and acute, attaining the apex of the plates, and the margins either side are deflected at right angles, making the basal portion of this valve of nearly equal length across its whole width. Length 6 mm. Described from one female taken by me at Phoenicia, N. Y., in August, 1904, and one male and two females taken by Prof. John Barlow at Kingston, R. I. This is the "va- riety " of impunctata noticed by Fitch. In my review of this genus in 1907 I included it as the female of that species, having at that time seen only females of this form and males of the other. The present series from Prof. Barlow, how- ever, shows them to be distinct species. Catonia impunctata has the carinae and a transverse band on the front white, the median areoles of the vertex and pronotum, the deflected sides of the pronotum and the patagiae black, and the chest and legs are immaculate whitish. TRANS. AM. ENT. SOC, XXXVI. APRIL, 1910. 86 AMERICAN HEMIPTERA. Catonia costata n. sp. Small, testaceous brown, front unicolorous. Length i\ mm. Vertex broad and rounded before, its length scarcely more than one- half the width between the eyes ; sloping from the base ; the marginal and median carinae moderately elevated ; basal margin very feebly ex- cavated, nearly straight. Front broad, oblong, slightly wider at apex, sides nearly rectilinear, surface convex, the carinae feebly elevated. Clypeus broad and short, rounded at base, the carinas feeble. Pro- notum proportionately broad, about half the length of the vertex, less deeply and acutely emarginate than in our other species, carinas moderately elevated ; mesonotal carinas distinct, nearly parallel. Elytra about as in impunctata, the nervures impunctate. Color dull testaceous-brown ; head paler and more tinged with ochre- ous ; pronotum pale with a blackish cloud beneath the eye. Elytra fuscous-brown, the nervures paler in places ; the short transverse ner- vures and the costa whitish, but not conspicuously so. Wings smoky hyaline, nervures fuscous ; pectoral pieces fuscous, margined with pale ; abdomen blackish, .the segments more or less edged with ferruginous or dull sanguineous; genital pieces whitish. Legs pale testaceous- brown, the tarsal spines tipped with black. Described from one female and five male examples taken by Mr. Fordyce Grinnell, Jr., on the San Gabriel Mountains near Pasadena, California, on June 17, 1909, at an altitude of 3000 feet. This is a plain little species of the size and form of pumila, but very distinct in the characters of the head and the unicolorous elytra and impunctate nervures, in which latter character it agrees with impunctata. It bears a slight resemblance to Plectoderes basalts Fowler, but is smaller and wants the pale base to the elytra. Catonia cara n. sp. Widely distinct from any described North American species. Pale luteo-testaceous becoming castaneous on the base of the elytra, behind which is a broad transverse pale band. Length 6 mm. Head short and broad as in costata. Vertex transverse, anterior and posterior margins almost parallel, slightly arcuated, its length about two-thirds the width between the eyes ; carinas distinct, forming an obtuse triangle ; anterior edge rounded to the broad rather convex front on which the carinas are but feebly raised ; clypeus longer than in costata. Pronotum very short, linear. Mesonotal carinas straight and slightly divergent posteriorly. Elytra ample, rather thin, nervures impunctate. Head, pleural pieces and legs pale yellowish testaceous; antennal setas and tarsi black ; thorax and elytra luteo-testaceous ; lateral com- EDWARD P. VAN DUZEE. 87 partments of the mesonotum and base of the elytra as far as the apex of the scutellum pale cataueous ; beyond this on the closed elytra is a broad transverse pale yellowish vitta, which is broader on the com- missure where it touches the point of the scutellum and apex of the clavus ; transverse nervures near the apex indistinctly paler ; ground color of the elytra intensified next the pale transverse band. Abdomen more or less fulvous. Described from one pair taken in copulation on Mt. Wilson, California, September 14, 1908, by Mr. J. C. Bradley. This species is very distinct by its yellowish color and the broad transverse pale band bordered with castaneous, on the elytra. Gixius lepidus n. sp. Black, with the carina? marked with flavo-testaceous. Elytra whitish hyaline, the base and a large stigma fuscous ; nervures strongly punct- ured with fuscous. Length : male, 5 mm. ; female, 6h mm. Head well produced ; vertex almost quadrangular, its length about equal to the width between the eyes ; passage to the front broadly rounded, without the transverse apical compartment found in our other species ; basal compartment almost an equilateral triangle, its apex rounded, its surface depressed, punctured, with a median carina at base. Front broad, but moderately narrowed at base ; median carina distinct, third ocellus obsolete, apical suture strongly arcuated, not at all angled in the female, scarcely so in the male ; color piceous, becoming paler or testaceous at base, especially in the female. Clypeus deep black, median carina paler, lateral carinas slender and scarcely paler. Pronotum of equal length across its whole width ; pale brown- ish-testacous, darker in the fovae, black under the eyes. Teguke large and conspicuous, testaceous-white. Mesonotum black ; carinas and hind margin of the scutellum pale in the female. Elytra hyaline with a very decided milky cast ; a transverse band across the apex of the scutellum which may include the whole basal portion of the elytra and the large stigma, deep fuscous; veins strongly dotted, the trans- verse nervure toward the base fuscous. Wings whitish hyaline with slender brown nervures. Beneath black ; disk of the metapleura in part fulvo-testaceous. Legs brown, the acetabulae, knees, and bases of the tibial spines pallid. Sides of the genital segment of the male broadly rounded, the ventral sinus broad, with a very short rounded median tooth; plates very short, but little exceeding the sides of the genital segment, ob-triangular or imperfectly fan-shaped at apex, which is touched with whitish ; pygofers but little exceeding the plates, subconical at apex, and including the fulvous anal tube. In the female the apical projection of the pygofers is unusually large, slender and acute at tip. In both sexes the lower surface and genital segment are covered with a whitish tomentum. TRANS. AM. ENT. SOC, XXXVI. APRIL, 1910. SO AMERICAN HEMIPTERA. Described from one pair taken at Boulder, Colorado, by Prof. T. D. A. Cockerell in August and September. This species has much the aspect of basalts, but it is smaller and is well distinguished by the quadrate vertex with long basal fovse and the want of a transverse compartment at apex. It makes an interesting addition to our Fulgorid fauna. Stenocraims felti n. sp. Closely allied to dorsalis and lautus, differing principally in having the apex of the vertex broader and more rounded, the front propor- tionately broader and shorter, with the intra-carinal compartments pale brown or almost concolorous, and the pygofers of the female much broader toward their apex, almost pyriform. Color a soiled yellowish-testaceous with the carinse a little paler and the dorsum marked with a whitish vitta from near the front of the vertex to the tip qf the scutellum, which is continued by the pale com- misural nervure of the closed elytra. Basal joint of the antennae with a black mark inferiorly, a similar mark is on the cheek below the ocellus, and the antennal socket has a distinct black marginal spot anteriorly. Connexival segments and outer pleural pieces with black- ish spots, those of the metapleura much larger and deeper black. Femora and tibiae lineated with black ; pygofers of the female dark brown ; the tergum mostly black. Venter in the male black with the segments edged with orange. Elytra in the female pale yellowish hyaline with the nervures a little darker, sometimes becoming almost black on the clavus and inner margin of the corium ; the second apical nervure and the apex of the others deep black. In the male the ner- vures are almost entirely blackish fuscous, and the black of the second apical nervure is spread over the adjoining areole. Length to the tip of the abdomen 3 mm. ; to the tip of the elytra in the longest winged examples 5 mm. Described from numerous specimens taken by me at Bret- ton Woods, N. H., June 30, 1909, and one female taken at Speculator, N. Y., July 20, 1909, by Dr. E. P. Felt, to whom I take pleasure in dedicating this pretty species. Speculator is located in the Adirondack region of New York state, and my specimens, which were swept from a low wooded swamp back of Mt. Washington Hotel, are from the base of Mt. Washington, where the insect fauna is very similar to that of the Adirondacks H. C. FALL. 89 MISCELLANEOUS NOTES AND DESCRIPTIONS OF NORTH AMERICAN COLEOPTERA. BY H. C. FALL. No apology need be offered I think for the miscellaneous character of the present contribution ; such papers are occa- sionally necessary if we would preserve the casual observa- tions and discoveries in taxonomy, synonymy, distribution, etc., which must occur with every student of our Coleoptera. On the other hand, new species are still accumulating so rapidly that repeated effort on the part of the systematist is necessary in order to keep anywhere near abreast of the col- lectors and to assimilate the new material. It is neither pos- sible nor in all cases desirable to present a complete synop- sis of a group or genus in which new species are being made known, and a certain amount of isolated description is justifi- able if care is taken to bring the new forms into line with present knowledge by careful comparison with the old and familiar. CICINDELID^. CICINDELA Linn. C. vulgaris var. viridissima new var. This name is proposed for the well-known bright green variety of vulgaris occurring in Southern California. This form goes as vibex in most collections although it has been correctly pointed out that the true vibex of Oregon and Northern California is of a dark dull green color. The bright green form is sometimes locally abundant near San Bernardino and Colton, and I nave recently seen a beautiful series taken in both October and March by Mr. G. R. Pilate. Mr. Hopping takes it commonly in Tulare County, where also occur darker examples which approach in color the true vibex. CARABID^. CYCHRUS Fab. C. corvus n. sp. Form rather narrowly oblong oval, depressed, black throughout, feebly shining. Head narrow, eyes prominent, surface smooth, evenly convex. Prothorax 2\ times as wide as the head, | as long as wide, TRANS. AM. ENT. SOC, XXXVI. 12 MAY, 1910. 90 AMERICAN COLEOPTERA. widest at middle, sides moderately strongly rounded anteriorly, con- vergent and feebly sinuate posteriorly, the hind angles prolonged over the elytra ; apical margin very broadly posteriorly arcuate between the reflexed sides, disk broadly convex and impunctate, median line fine in front, deeper behind, side margins moderately reflexed in front, more widely so behind. Elytra § wider than prothorax and nearly three times as long, \ longer than wide, lateral margin reflexed ante- riorly, more strongly so around the humeri, disk flattened, 14 or 15 striate, the striae moderately impressed, rather finely punctate, some- what irregular or confused laterally. Inflexed portion of the elytra sparsely, finely, obsoletely punctate ; abdomen impunctate. Length, 16.5 mm. ; width, 6 mm. Chiricahua Mountains, Arizona. A single male specimen collected and given me by my friend Mr. V. W. Owen of Los Angeles. In all essential characters this species is nearly related to van dykei. The color is at first glance entirely black, but in certain lights the elytra show the faintest imaginable hint of a dark purplish reflection. The front tarsi are, as in van dykei, strongly dilated, the first joint triangular and a bit longer than wide, the second quadrate, and the third smaller and evidently transverse. The two species are quite different in their minor characters, van dykei being a dis- tinctly less elongate species and more prettily colored, the thorax rather closely punctate and with side margins more widely reflexed, the elytral striae finer but more coarsely punctured, and the reflexed portion of the elytra and sides of the ventral segments numerously punctate. CALOSOMA Web. C. parvicollis n. sp. Deep black throughout, without metallic lustre except very faintly in the concave elytral margins ; head and prothorax somewhat shining, elytra duller. Head fully § as wide as the prothorax, rather finely and moderately closely punctate between the eyes, beooming nearly smooth in front; epistomal impressions rather deep. Prothorax from a little less than to fully § wider than long, sides rather sharply angulate at middle, arcuate in front, straight behind, a little sinuate just before the hind angles ; base also distinctly sinuate near the angles, making the latter evidently acute ; base narrower than the apex ; disk finely punctate, becoming more distinctly so near the margins, finely rugous posteriorly ; basal impressions moderate. Elytra f longer than wide, H. C. FALL. 91 and about T\ wider than the prothorax ; a little wider at apical third, more noticeably so in the female ; elytral series of punctures unim- pressed, very fine, becoming subobsolete on the declivity, connected by transverse impressed lines in basal third, except near the suture ; the interstitial punctures on intervals 4, 8, 12, fine but discernible. Legs moderate. Length 21-24 mm. Southern California (San Bernardino, Riverside and Pasa- dena). Parvicollis is closely allied to prominens, from which it differs most obviously in its more finely punctured head and relatively small prothorax. Careful measurements of the specimens in my collection show that the relative width of elytra to thorax varies in prominens from 1.39 to 1.58 (ave. 1.48) and in parvicollis from 1.64 to 1.73 (ave. 1.69). The difference is quite conspicuous when series are compared. Prominens is also a larger species ; it is common in Arizona, but whether it occurs in California is uncertain, the speci- mens recorded under this name in my Southern California list being the one here described. C. eremicola n. sp. Form of peregrinator , black throughout, without trace of metallic lustre. Head finely punctate, and subrugulose ; sides of prothorax narrowly rounded or subangulate, nearly as in peregrin ator. Elytra about | longer than wide, the punctured series feebly impressed basally, the punctures rather coarse in basal two-fifths, thence becoming rapidlv smaller, very minute apically ; sides near the humeri with a few rather faint transverse rugae. Length, 17-19 mm. ; width, 8-10.3 mm. San Clemente Island, Southern California. Described from a single pair collected and given me by Air. Don Ross of Pasadena, California. The above very brief description is sufficient when the dif- ferences between it and peregrinator have been pointed out. The size is very much smaller in eremicola, the sides of the prothorax a little less evidently angulate, the elytra relatively shorter, the ratio of length to width being 1.44 in the male and 1.40 in the female ; while in peregrinator the length ranges from 1.60 to 1.75 times the width. The strial punc- tures of the elytra are much coarser basally in eremicola, and the last ventral of the female is unmodified. In peregri/ia- TRANS. AM. ENT. SOC, XXXVI. MAY, 1910. 92 AMERICAN COLEOPTERA. tor ( 9 ) the last ventral is finely punctate and bristling with short erect black hairs. This character, which seems to have escaped notice hitherto, may be relied upon to separate pere- grinator from all allied forms. C. tristoides n. sp. This name is proposed for a form occurring in our extreme southwestern region, which is closely related to but quite surely distinct from triste of the West Central States. As compared with Kansas specimens of triste in my collection, tristoides differs in the much finer punctures of the elytral series, these becoming very minute posteriorly, and in the usually well developed greenish lustre of the elytral margins. The sides and basal impressions of the prothorax also show more or less of the metallic lustre in many specimens, but in some it is barely perceptible. The coarser serial punctures of intervals 4, 8, 12 are green as in triste, but in the latter species the side margins of the body are scarcely at all so. In the type series of three examples of triste in the LeConte collection the sides of the prothorax are evenly rounded and the elytra are parallel in both sexes. In tristoides the pro- thorax exhibits considerable inconstancy in both relative and actual dimensions, the width varying from 1.53 to 1.72 times the length, the sides either evenly rounded or evidently straighter posteriorly, ; the basal sinuations are also variable in depth. The elytra are quite uniformly parallel in the male and a little wider posteriorly in the female. It is, however, very probable that a good series of triste, or for that matter of any other species of Calosoma, would show similar vari- ability. In length tristoides ranges from 22 to 24 mm., width 9.4-10.2 mm. The length given for triste in LeConte's table is 18 mm. Tristoides is based on a good series taken by Mr. Rick- secker at or near San Diego, California. A single specimen from an unknown source and simply labeled " Cal. " has stood for years in my collection as triste. There is a single example from " Cal. " in the LeConte col- lection placed near but not in line with his specimens of triste and bearing a " ? " label. H. C. FALL. 93 DYSCHIRIUS Bon. E>. varidens n. sp. Moderately elongate, black, with more or less distinct green-bronze lustre, legs and antennse dark rufous. Epistoma tridentate, the mid- dle tooth either nearly as acute and prominent as the lateral ones, or merely an obtuse prominence, with all intermediate degrees of develop- ment. Front transversely sulcate, smooth. Prothorax ovate, very slightly wider than the prothorax, § as wide as long, sides parallel and very broadly arcuate in basal two-thirds, base with entire marginal line ; strias very lightly impressed, nearly obsolete for a short distance at base, and faint but traceable for a longer distance at apex ; strial punc- tures rather fine, separated by their own diameters or a little more, be- coming rapidly finer behind the middle, and disappearing before the apex; third interval tripunctate. Length, 2.7-3 mm.; width about 1 mm. California (Los Angeles — type, Pasadena, Azusa, Pomona, Santa Cruz, Santa Clara County, San Francisco, Humboldt County, Mohawk). By the basal marginal line of the elytra this species is to be associated with tridentata, patruelis and basalts, and should follow the first named species. It is always smaller than tridentata, with paler legs and antennae, and with finer elytral striae, which are more nearly obliterated at apex and less punctured. Patruelis has entirely black legs and antennae, and the median clypeal tooth is obsolete. Specimens of varidens with poorly developed median clypeal tooth would go as ayialis by the LeConte table, but the latter is a stouter species, the elytra shorter and more robust, with deeper more closely punctate striae. BEMBIDIUM Lat. In his preliminary remarks on the litorale group of this genus Hay ward describes the mentum tooth as "large and entire." Possibly this statement is traditional; it is in any case based on very insufficient study, since a careful investi- gation reveals an unusual and most surprising amount of variation in this respect among the few species that consti- tute the group. The form of the tooth is quite constant within specific limits, so far as my material goes, and taken together with a second character to be mentioned below TRANS. AM. ENT. SOC, XXXVI. MAY, 1910. 94 AMERICAN COLEOPTERA. enables us to more readily and accurately separate the species than has been possible. It seems to have entirely escaped notice that in certain species of this group the seta near the middle of the side margin of the prothorax is lack- ing. The marginal setae are normally two in number, one in the hind angle, and the other usually a little in advance of the middle. In one species — laevigatum — there are two ad- ditional setae close together at the anterior angle. The seta in the hind angle is probably present in every species of the genus, though I have not attempted to verify this. The submedian seta is almost as universally present. Specimens of course frequently occur with some or all of the setse absent, but the presence of the setigerous punctures in the margin in the vast majority of instances shows that they have been accidentally lost. In three species of the present group, however, the submedian seta is persistently lacking, and the absence of a puncture in the margin shows that this is the normal condition. Whether there are any other native species of the genus which show this peculiarity I can not positively say, but it seems very unlikely, since in the 121 species in my collection I find no other exception to the rule. In the European litorale the submedian seta is also lacking, and this enables us at once to separate it from the lacustre of LeConte, which differs furthermore in the form of the men- turn tooth. Lacustre must, therefore, be restored to specific standing. It is indeed doubtful if the true litorale occurs at all in this country. Collectors should carefully examine their material in this group, and if native specimens are found it would be well to publish the fact. Two new species from the west coast appear in the following table and litorale is included for comparison : Side margin of thorax without median seta. Mentum tooth elongate parallel, rounded or subtruncate at tip; fourth dorsal stria sinuate ; size comparatively small ; form narrow and convex in sequale. Mentum tooth shorter and broader, sides converging in front, the tip truncate and usually more or less emarginate. Form slender and convex (size of incrquale) , fourth stria not or very feebly sinuate, strial punctures coarse hesperum. H. C. FALL. 95 Form broader and more depressed, size larger, strial punctures rela- tively fine. Thorax nearly as long as wide, base and apex subequal ; fourth stria sinuate litorale. Thorax evidently though not strongly transverse, base wider than apex; fourth stria not distinctly sinuate lorquini. Side margin of thorax with median seta. Mentum tooth shorter, triangular; thorax strongly transverse, apex nearly as wide as base. Mentum tooth acute at apex ; hind angles of thorax evidently cari- nulate carinula. Mentum tooth truncate and usually somewhat emarginate at apex ; hind angles of thorax not distinctly carinate zephyr um. Mentum tooth elongate, parallel, tip truncate; thorax moderately transverse, apex evidently narrower than the base. Fourth elytral stria sinuate; size smaller lacustre. Fourth elytral stria not sinuate, size larger.... pimctatostriatiim. B. hesperum n. sp. Moderately elongate and convex, green bronze, first four elytral inter- vals in great part, and the fifth at middle dark cupreous or cupreo- violaceous, the quadrate impressions green ; surface throughout alu- taceo-granulose, more finely so on the prothorax and on the cupreous elytral areas, which are more shining. Palpi dark, more or less pale at base; basal joint of antennae pale beneath. Prothorax fully four- fifths as long as wide, widest at middle, base one-fourth wider than the apex; sides finely margined, moderately sinuate behind, the hind angles not very prominent, sharply defined, almost rectangular; sur- face finely transversely creased or wrinkled ; median line almost entire ; basal impressions unistriate, the angles not carinate. Elytra about three-fifths wider than the prothorax, striae somewhat impressed, rather coarsely and closely punctate, more finely apically as usual ; fourth not or scarcely sinuate. Beneath greenish-black, legs pale at base. Length, 5.2-5.3 mm. ; width, 2.2-2.25 mm. Vancouver Island (type) and California (Placer County). As its position in the table indicates, this species is nearest incequale, with which it agrees nearly in general form. It seems to average a trifle larger than incequale, and is more prettily colored ; the hind angles of the prothorax are not quite so prominent and are slightly obtuse ; the tibiae, palpi, and base of antennas less pale. The mentum tooth is rather short, subtriangular, the tip truncate and a little emarginate. TRANS. AM. ENT. SOC, XXXVI. MAY, 1910. 96 AMERICAN COLEOPTERA. B. zephyrum n. sp. Form broad, subdepressed, viridiaeneous, prothorax at middle, elytra with a basal spot occupying intervals 3-5, and a broad central stripe dilated at middle and enclosing the quadrate impressions, blackish purple ; surface alutaceo-granulose, the dark areas more finely so and less dull. Antennas and palpi entirely dark metallic. Prothorax slightly more than two-thirds as long as wide, base but little wider than the apex, sides more widely margined and not deeply sinuate behind, the angles nearly right ; surface slightly wrinkled transversely on the disk, longitudinally at base; median line nearly entire; base angles with a very feeble oblique carina. Elytra one-half wider than the pro- thorax, the striae finely punctate, the fourth not or but slightly sinuate. Body beneath greenish ; legs pale at base. Length, 5.25-6 mm. ; width, 2.4-2.6 mm. The series' before me includes specimens from Humboldt County, California (type), collected by Van Dyke, and from Newport, Oregon, collected by Wickham. This species approaches carinula in its strongly transverse prothorax, but differs from it and from all our other species of this group in having the side margin of the thorax slightly wider and subexplanate anteriorly. B. wliitneyi n. sp. Rather broad, moderately convex, black, elytra each with a sub- triangular subhumeral spot, and a transverse lunate subapical spot, pale, surface scarcely aeneous, strongly shining, either polished through- out or with the elytra barely detectably alutaceous. Head as wide as the thorax at apex ; palpi and antennae black, the latter one-half the length of the body. Prothorax barely one-third wider than long, base and apex subequal, sides distinctly sinuate behind, the angles rect- angular ; basal impressions wrinkled and punctate, the inner stria deep, the outer feeble ; hind angles carinate. Elytra one-half wider than the prothorax and nearly three and one-half times as long, sides par- allel in basal two-thirds, humeri rounded, striae very fine, not im- pressed, the outer ones feeble or obsolete, the discal one traceable to apex ; third stria with two setigerous punctures situated nearly at the basal and apical thirds. Body beneath and legs black and shining. Length, 4.75-5.2 mm. ; width, 1.8-2.2 mm. Mt. Whitney, California— 8,000 to 11,000 feet. Collected and given me by Mr. F. S. Daggett. The pale elytral spots are quite bright in the type, but more obscure in two other examples. Whitney i is allied most nearly to breve, which is a smaller entirely black species, the prothorax more transverse and with the hind angles obtuse. It was also taken by Mr. Daggett on Mt. Whitney. H. C. FALL. 97 B. versicolor; B. timidum; B. pictum. I cannot at all agree with Hayward in his interpretation of the above named forms, and am convinced after a study of the types that the Henshaw List is correct in giving pictum specific standing, and that timidum is really a synonym of versicolor as was previously supposed. Hayward separates versicolor and timidum primarily on the completeness of the lateral striae of the elytra, these being abbreviated behind in the former, and entire in the latter. To this is added — head usually more evidently alutaceous in timidum and the prothorax more strongly rounded in front and more sinuate behind in versicolor. My own study leads me to believe that it is impossible to base a distinction on the lateral striae, as every degree between the extremes may be found in a large series of specimens, which are so com- pletely in accord in other respects that their identity can not be doubted. If, however, we take the secondary character above mentioned, separation of the two species is not difficult. The type of versicolor is from Lake Superior; it has the head distinctly alutaceous, the sides of the prothorax nearly as much so, the surface becoming smoother at the middle, sides of thorax moderately rounded and sinuate. This species is an abundant one in the northern half of the United States and Canada, extending from the Atlantic to the Pacific. The western specimens are more likely to have the lateral striae of the elytra entire, and one of these from the Rocky Mountains served as the type of timidum. Fiction was also described from the Rocky Mountains. It is almost invari- ably smaller than versicolor, the head not alutaceous except very finely so posteriorly, the front between the eyes always polished, the prothorax polished throughout and more deeply sinuate behind. The lateral striae vary in their development in the same way as in versicolor, and as a result specimens are indiscriminately mixed with versicolor and timidum as separated by Hayward. I do not know how far versicolor extends its range in the east, nor how for east and north pictum occurs, but versicolor is essentially a northern and pictum a southern species. On TRANS. AM. ENT. SOC, XXXVI. (13) MAY, 1910. 98 AMERICAN COLEOPTERA. the Pacific Coast versicolor is rarely found south of Central California ; pictum is known to me from Louisiana to South- ern California. Unfortunately, as has already been pointed out in the books, the name pictum is preoccupied, and we must use Motschulsky's name flavopictum for this species. HYDROPHILID^E. CRENIPHILUS Mots. At the time of Dr. Horn's synopsis of this genus in 1890, a single species only — degener — was known with 7-jointed antennas. This extreme reduction in the number of joints was commented upon as being quite remarkable, and it is certainly not less so that of the four new forms discovered since Horn wrote, all, without exception, possess this peculi- arity. Of these four, one — elegans — has been previously described ; the others are now made known. C. lodingi n. sp. Oval, moderately convex, very slightly less than twice as long as wide, black, not or but very faintly aeneous, lateral margin with a sharply defined pale border, narrow on the prothorax, becoming wider toward the apex of the elytra, where it involves about one-fourth or one-fifth of the sutural length. Antennas, palpi and legs pale, except the femora, which are in great part dusky. Punctation of elytra coarse and rather close, the punctures separated by from a little less to a little more than their own diameters ; head and prothorax somewhat more finely punctate. Body beneath blackish, opaque, finely pubescent : front and middle thighs pubescent ; hind thighs glabrous, impunctate and without strigosity ; hind tarsi and tibiae subequal in length, the latter possibly a trifle longer. Prosternum carinate ; mesosternal keel strong. Length 2.3-2.5 mm. Mobile, Alabama. Described from a series of nine examples collected and given me by Mr. H. P. Loding, to whom it is a pleasure to dedicate the species in recognition of his painstaking and very successful efforts in collecting the smaller and more obscure species of his fauna. The present species is remarkable, first for its 7-jointed antennae, and again for its very close affinity to C. elegans of California. The two are virtually identical in every respect H. C. FALL. 99 except sculpture, the punctuation of elegans being much sparser and finer. Elegans has thus far been found only in salt pools or springs, while lodingi occurs in fresh water creeks as I am informed by its discoverer. C. ellipsis n. sp. This name is proposed for a form closely related to elegans and lodingi, agreeing with them in antennal, sternal, and crural characters The sides of the prothorax are not distinctly paler, being but feebly and diffusedly so at the extreme margin ; the elytra are paler at sides but not very evidently so basally, and the pale border is nowhere sharply defined as it always is in elegans and lodingi. The punctuation is finer than in either of the two allied species, being on the head and thorax exceedingly fine and remote. The size is apparently slightly smaller and the form just visibly more convex. Length, 1.8-2.2 mm. ; width, 1-1.2 mm. Described from two examples given me by Mr. Schwarz by whom they were collected at Hot Springs, Arizona. Var. nanus n. var. Several specimens from Capron and Lake Harney, Fla., recently sent for examination by Mr. Schwarz are exceed- ingly closely allied to the typical Arizona specimens of ellipsis, but differ constantly in their smaller size ; the elytral punc- tuation seems also relatively a little coarser ; for these the above varietal name may be used. Length, 1.6-1.8 mm. ; width, .8-.9 mm. C. reductus n. sp. Elliptical, four-fifths longer than wide, rather strongly convex, pice- ous black, surface at most very faintly aeneous; sides of prothorax nar- rowly, gradually diffusedly paler, sides of the elytra toward the apex similarly but more broadly so. Antennae 7-jointed. Head and pro- thorax polished and very finely and sparsely punctulate ; elytra more evidently and more closely punctate, the punctures toward the sides and apex separated by their own diameters or a little more, somewhat finer and sparser on the disk basally, surface between the punctures dulled by the presence of a system of ground sculpture consisting of very fine punctures and short irregular lines. Beneath opaque, hind femora stout, glabrous, shining, with a few fine scratches toward the base. Prosternum carinate ; mesosternal keel not very strongly developed, the free angle conical and acute. Length, 1.6-1.8 mm. ; width, .9-. 95 mm. TRANS. AM. ENT. SOC, XXXVI. MAY, 1910. 100 AMERICAN COLEOPTERA. Capron, Florida (Hubbard and Schwarz). The five species of Creniphilus with 7-jointed antennae are readily separated as follows : Prothorax and elytra with sharply defined pale margin which is broader behind. Punctuation fine and sparse (California) elegans. Punctuation much coarser and closer (Alabama) lodingi. Prothorax and elytra gradually suffusedly paler at sides. Form less convex, upper surface polished throughout and finely punctate (Arizona, var. nanus Florida) ellipsis. Form more convex, elytra with alutaceous sculpture. Prothorax minutely sparsely punctate, elytra relatively coarsely punctured (Florida) reductus. Prothorax distinctly moderately closely punctate, elytra without punctures (Florida) degener. STAPHYLINID^. MYCETOPORUS Mann. Our species of Mycetopoms are divisible into two well marked groups which are at least subgeneric. In the first, in- cluding the majority of the species thus far described, the mid- dle and hind tibiae are fringed with coarse unequal spinules, the antennae are relatively short, the pronotum has two sub- lateral discal punctures, one behind the other, and there are no sexual modifications of the abdominal apex. In the second group the four posterior tibiae are densely fringed with short equal spinules, the antennae are longer and heavier, the pro- notum is entirely devoid of discal punctures, and the abdomi- nal apex shows well marked modifications in the male. One new Californian species belonging to the first group and two to the second are here described. M. splendidus has been taken at McCloud in Northern California by Dr. Fenyes. The Santa Cruz Mountains species referred to in my South California list as being near splendidus is included with hospitalis described below. M. neotomse n. sp. Fusiform, piceous, prothorax and sometimes the head and abdomi- nal apex rufous. Antenna? dusky, pale at base and apex, not passing the basal margin of the prothorax, gradually incrassate, the outer joints becoming transverse, the eleventh not quite as long as the two preced- H. C. FALL. 101 ing. Penultimate joint of maxillary palpi narrow, subparallel, nearly three times as long as wide. Head, including the mandibles, longer than wide, eyes moderate. Prothorax with two lateral discal punc- tures. Elytra a little wider than long, all the angles indefinitely paler, sutural stria distinct, each with a sutural, marginal, and three discal series of setigerous punctures, about ten punctures in each series except the outer discal one, which has only five or six, the first and second discal series more or less irregular. Abdomen moderately strongly punctate. Legs rufous, the thighs darker ; middle and hind tibiae fringed with unequal spinules. Length 3;r-4 mm. Pasadena, California. Taken thus far only in wood rats' nests (April). In its three series of discal punctures on the elytra 7ieotomcz most nearly agrees with consors, but the punctures of the two inner discal series are finer and more irregular than in consors, the body broader and the form of the penultimate joint of the maxillary palpi is longer and less triangular. Consors is said by Horn to have two discal series of punc- tures on the elytra ; there is, however, a distinct third row outside these which was mentioned by LeConte in his original description. M. hospitalis n. sp. Rather slender, entirely rufotestaceous, surface polished and strongly shining. Head as wide as or a little wider than long, impunctate ; eyes moderate, the length of the head behind them subequal to that of the eye itself. Antennas elongate, reaching the middle of the elytra when the head is deflexed, joints 7-10 subquadrate, the others more or less strongly elongate, terminal joint not quite as long as the two preceding together. Prothorax entirely without discal punctures. Elytra a little wider than long, without sutural stria, with three rows of setigerous punctures as usual, about six punctures in the sutural row, and eight in each of the others. Abdomen coarsely but not closely punctate; epiplurae impunctate, metasternum finely punctured; terminal spinules of the four posterior tibias of nearly equal length. Length 3 mm. California. Four examples taken by Dr. Fenyes in nest of wood rat (Neotoma) on Mt. Lowe (6000 feet) near Pasadena. With these are associated two examples from the Santa Cruz Moun- tains and Santa Clara County which appear to be structurally identical, but differ in having the prothorax and elytra pice- TRANS. AM. ENT. SOC, XXXVI. MAY, 1910. 102 AMERICAN COLEOPTERA. ous in great part. The type above described is a cf , having at the apical margin of the fifth ventral a group of asperate punctures bearing short stiff bristles, the sixth deeply tri- angularly emarginate at apex, and the seventh very narrowly but deeply triangularly incised. The short equal spinules of the posterior tibiae associate this species with splendidus and flavicollis, with which it agrees also in the absence of all pronotal discal punctures. Dr. Horn intimates in his general remarks on Mycetoporous that there are in all species two dis- cal punctures, one behind the other, between the middle and lateral margin. He either failed to observe or omitted to note that these punctures are not present in those species having the middle and hind tibiae fringed with equal spinules. As remarked by Casey, LeConte's original descriptions were more precise in this respect. The absence of the sutural stria is peculiar to this and the following species, and there is little doubt from the appearance of the elytra that these species are truly apterous. M. my ops n. sp Head, prothorax, and elytra piceous, highly polished, abdomen dark rufous, legs and antennae pale rufous. Head longer than wide, eyes small, the distance from their posterior margin to the base of the head nearly twice the length of the eye. Antennas distinctly shorter than in the related species, joints 6-10 evidently transverse, 11th as long as the two preceding. Prothorax without discal punctures, the two median ones of the basal margin more removed from the margin than usual, being nearly at the basal fourth. Elytra a little transverse, no sutural stria, with sutural series of four setigerous punctures, dorsal series of five or six, and marginal series of eight. Abdomen sparsely finely punctate. Length 2k mm. Fieldbrook, Northern California. (Mr. H. Barber.) Very closely allied to the preceding, differing in the smaller size, narrower head, smaller eyes, different position of the median marginal punctures at the base of the pronotum, and in the more finely sparsely punctured abdomen. BLEDIUS Leach. B. armatus Say. There is in my collection a series of specimens from Nebraska — in part collected by Mr. Knaus — which agree perfectly with Say's description of this species, and are, I H. C. FALL. 103 think, unquestionably representatives of the species he had in hand. If so, the pale color as described by Say is normal and not due to immaturity as LeConte believed, and the true armatus is not at all the species accepted as such by that author, and following him by all our later Coleopterists. In genuine armatus the color is ordinarily pale yellow, the head, abdominal apex and sutural bead black or blackish ; some- times the prothorax and abdomen are of a darker shade than the elytra, but are never black. In armatus as defined by LeConte the body is black, the elytra varying from rufous to piceous, the abdominal apex paler. In this the hind angles of the prothorax are broadly rounded and undefined ; in armatus they are distinct and slighty prominent. The arma- tus of LeConte is a common species, widely dispersed over the western United States, and naturally subjected to some variation, but I am thus far unable to find in a quite exten- sive material from different localities any satisfactory char- acters for specific separation. One of these local races served as the type for strenuus Csy., and this name should now be used for the species. B. arizonensis n. sp. Rather slender, black, or piceous black, trochanters and tarsi dark rufous, tibiae more or less rufopiceous. Antennas entirely black or piceous, second joint a little stouter and longer than the third, the latter twice as long as wide and subequal in length to the next two ; outer joints gradually wider, 7-10 distinctly transverse. Head densely finely granulato-reticulate, a few fine and feeble punctures posteriorly, vertex with a feeble median tubercle divided by a short impressed line. Prothorax a little wider than the head, a little wider than long, sides parallel in apical two-thirds, then very broadly rounded into the base, the lateral and basal angles completely undefined, apical angles right but rather broadly rounded, surface granulato-reticulate and dull like that of the head ; punctuation sparse, moderately coarse; median line strongly impressed. Elytra at base a little wider than long, sides nearly straight and evidently divergent, apical angles broadly rounded, surface shining, rather closely but not coarsely punctate. Abdomen finely reticulate and sparsely finely punctate above, more closely punc- tate beneath, with very fine reticulato-rugulose ground sculpture. Hvpomera vaguely concave posteriorly, not impressed along the outer margin, the width at apex about half that at base, which is subequal to the length of the coxal fissures, the latter almost completely closed. Length 4.3-4.9 mm. TRANS. AM. ENT. SOC, XXXVI. MAY, 1910. 104 AMERICAN COLEOPTERA. Flagstaff, Arizona. (Dr. Fenyes.) The epistomal angles are evidently but not strongly tuber- culate in much the same degree in the eight specimens before me, all of which appear to be female by the structure of the eighth ventral. This species is to be referred to the armatus group of LeConte, and is apparently nearer to strenuus {armatus Lee, not Say) than to any other of the group. In strenuus the head is relatively narrower as compared with the prothorax, the size distinctly larger, the color never as nearly black, the legs, antennae and abdominal apex invariably paler. B. episcopalis n. sp. Black, elytra and legs bright rufous, the latter gradually narrowly infuscate at base, front coxae darker. Antennae rufous basally, black- ish outwardly, second joint distinctly longer and stouter than the third, barely as long as the third and fourth together, penultimate joints quite strongly transverse. Head very slightly narrower than the pro- thorax, finely granulose and dull, with a few fine scattered punctures and a rather strong impressed vertical tubercle ; epistomal suture arcu- ate, distinctly impressed, anterior angles of epistoma tuberculate, antennal prominences strong. Prothorax a little wider than long, sides almost perfectly straight and parallel for three-fourths their length, then rather suddenly convergent and feebly arcuate to base, the base angles very obtuse and indistinct but traceable ; surface finely granulato-reticulate and somewhat shining, median line well impressed, punctures rather fine and sparse. Elytra just visibly wider at base than the prothorax, scarcely as long as wide, about one-fifth longer than the prothorax, sides moderately divergent, punctures more closely placed than on the prothorax, being separated by about their own di- ameters. Abdomen very remotely finely punctate above, less sparsely so beneath. Prosternal sutures obliterated, the hypomera very little narrowed in front, impressed along the side margin, coxal fissures about as long as the adjacent width of the hypomera, apparently closed or very nearly so when viewed from the side, narrowly open when viewed from the front. Mentum concave, more deeply so basally, shining, lightly reticulate. Length 3.6-4.3 mm. Bishop, California. (Dr. Fenyes.) A member of the armatus group, differing from the other species of like size by the strongly tuberculate head in the male. B. gradatus n. sp. Black, prothorax reddish brown, elytra paler rufous, abdomen rufescent at apex, legs bright rufous, antennae rufous at base, dusky toward the apex. Antennae gradually incrassate, joints 6-10 increas- H. C. FALL. 105 ingly transverse, 2-3 subequal and full}- twice as long as wide, each nearly equal to 4-5 together. Eyes very convex. Head not as wide as the prothorax, finely granulato-reticulate and feebly shining, vertex with a prominent divided tubercle, exterior to which are a few punc- tures ; anterior angles of epistoma strongly tuberculate in the male, epistomal suture strong, arcuate. Prothorax barely one-fifth wider than long, sides parallel and nearly straight for three-fourths their length, then strongly arcuately convergent and rounded into the base, the hind angles undefined, the front angles narrowly rounded ; surface shining, finely granulato-reticulate and rather coarsely punctate, the punctures separated by from one to one and one-half times their own diameters ; median line sharply impressed throughout. Elytra at base equal in width to the prothorax, as wide at apex as the sutural length, sides straight and a little divergent behind, surface moderately shining, as coarsely but slightly less densely punctate than the prothorax. Abdo- men slightly narrower than the elytra at base, slightly increasing in width apically, above finely reticulate, moderately shining, very sparsely feebly punctate ; beneath numerously rather finely punctate, the interspaces very finely punctulate rather than reticulate. Hypo- mera flat, a little narrowed anteriorly, coxal fissures narrowly open, prosternal sutures obliterated but traceable. Length, 5.2-5.5 mm. ; width, 1.2-1.35 mm. California. Desert region near Keeler, collected by Dr. Fenyes. This species seems closely related to eximius Csy., in which, however, the vertex is not evidently tuberculate, the color and some other details somewhat different. It re- sembles Uavipennis Lee. also, but the latter has the pro- thorax very lightly punctate, the median impressed line feeble. B. consimilis n. sp. Head and abdomen black, prothorax rufo-piceous, elytra yellowish with the suture and base narrowly dusky, legs and antennae flavo- testaceous. Head and prothorax finely granulato-reticulate, and feebly shining, elytra distinctly finely reticulate, moderately shining, abdo- men reticulate, moderately shining. Second antennal joint evidentlv stouter and a little longer than the third, but much shorter than the next two together ; tenth joint about one-half wider than long. Head (o71) impunctate with a small but distinct impressed vertical tubercle antennal prominences strong, epistomal angles strongly but finely tuberculate, epistomal suture strongly impressed. Prothorax slightly wider than the head, a little wider than long, sides parallel and very broadly arcuate for three-fourths their length then arcuately narrowed TRANS. AM. KNT. SOC, XXXVI. (14) MAY, 1910. 106 AMERICAN COLEOPTERA. almost to the base, the hind angles a little prominent, slightly obtuse, not rounded, the outer sides parallel for a short distance ; apical angles slightly obtuse and narrowly rounded ; surface very sparsely irreguarly punctate, the median impressed line very indistinct and incomplete. Elytra a little longer than the prothorax, nearly as long as wide, at base just visibly wider than the prothorax, sides slightly divergent, conjointly broadly angulate emarginate at apex, the sutural angles very narrowly rounded ; punctuation rather strong and close. Abdo- men with a few scattered fine punctures above, beneath sparsely finely punctate. Prosternal sutures obsolete, hypomera strongly narrowly impressed along the outer margin, within the impression feebly con- vex, strongly narrowed in front, the width at apex being but little more than half that at base, where it is nearly twice as great as the distance to the coxse ; coxal fissures short, rather narrowly open. Length 4.1 mm. Thorton, New Mexico. (Dr. Fenyes.) This species is from description closely related to cuspi- datus and tenuis. The former is considerably larger (5.5 mm.), the head is said to have a large vertical fovea, and the hind angles of the prothorax are wanting. Temiis agrees more nearly in size (4.5 mm.), and has the hind angles of the prothorax minutely prominent, but the epistomal suture is feebly impressed and the vertex not tuberculate. B. tallaci n. sp. Black, elytra dark red-brown, feebly clouded with piceous at base, abdominal apex narrowly paler, legs rufous. Head and prothorax densely strongly granulato-reticulate, the former dull, the latter very feebly shining ; elytra polished ; abdomen distinctly reticulate, moder- ately strongly shining. Antennae rufous at base, darker externally ; second and third joints subequal, tenth as long as wide. Head finely, sparsely, obsoletely punctate at sides posteriorly, occipital fovea small, the surface in front of it faintly tumid ; epistomal suture fine, scarcely impressed, the anterior angles of epistoma finely tuberculate. Eyes rather large and prominent. Prothorax a little wider than the head, one-seventh wider than long, sides straight and parallel from apical fifth to three-fifths, convergent and nearly straight behind, the lateral angles somewhat evident, the basal ones rounded and indistinct, sides rounded in front, the apical angles obtuse and narrowly rounded ; median line deeply impressed, punctuation rather close and coarse. Elytra at base slightly, near the apex one-fourth wider than the pro- thorax, the suture slightly longer, the maximum length three-sevenths longer than the prothorax, very little wider than long, punctuation H. C. FALL. 107 close and even. Abdomen sparsely finely punctate above, more con- spicuously so beneath. Prosternal sutures prominent, the hypomera nearly flat, feebly impressed at sides, about one-half as wide at apex as at the coxal fissures, which are closed and just perceptibly shorter than the adjacent hypomeral width. Length 4.9 mm. Lake Tahoe (Tallac), Calif. Collected by Dr. Fenyes. The type is a male having the sixth ventral broadly but distinctly emarginate in circular arc, the surface near the margin bearing numerous yellow setse which are longer at sides. In the modification of the sixth ventral of the male tallaci agrees with grividus Csy. which is differently colored, has the pronotum in part polished, the tenth antennal joint transverse, and the prothorax sparsely and unevenly punc- tate. A male specimen in my collection from Lake County, California, is quite surely Casey's foraminosus, which was de- scribed from the female. In this male the sixth ventral is setiferous posteriorly, but the segment is scarcely perceptibly emarginate. Very closely allied are deceptivus Fall, and relictus Fall, the sixth ventral of the male in both of these being precisely as in foraminosus. B. dissimilis n. sp. Black, elytra rufo-ferruginous, with the base and suture dusky, antenme, legs and abdominal apex rufous. Head and thorax densely granulato-reticulate, the former dull, the latter feebly shining, abdo- men feebly reticulate and shining, elytra polished. Second antennal joint a little stouter and slightly longer than the third, the latter three- fourths longer than the fourth, penultimate joints a little wider than long. Head distinctly but sparsely and rather finely punctate, vertex feebly tumid at middle, behind which is a more or less distinct fovea ; epistomal angles feebly finely tuberculate, suture fine and distinct but scarcely impressed. Prothorax evidently wider than long, sides paral- lel and slightly arcuate in apical three-fourths, then broadly rounded and convergent at base, the base angles rounded and not defined ; dorsal line fine but distinctly impressed, the punctures moderate in size, separated by about their own diameters. Elytra at base scarcely wider than the prothorax, nearly as long as wide, sides moderately divergent, punctuation rather close and well impressed. Abdomen gradually notably wider behind, finely sparsely punctate, beneath more evidently so. Prosternal sutures distinct, oblique, hypomera nearly flat, rather feebly impressed along the outer margin, the width at apex about half that at the coxal fissures, the latter closed and a little shorter than the adjacent hypomeral width. Length 3.6-4.2 mm. TRANS. AM. ENT. SOC, XXXVI. MAY, 1910. 108 AMERICAN COLEOPTERA. Philadelphia, Pennsylvania. Two examples so labeled in Dr. Fenyes' collection. The type is a male having the posterior margin of the sixth ventral obliquely beveled in its middle third ; the beveled area apparently membranous, about four times as wide as long, arcuate in front, nearly straight behind. This species resembles semifermginetis but is somewhat smaller, with much less coarsely punctate head and thorax. Gravidus agrees well in most respects but it too is larger, the abdo- men is said to be parallel, and the sexual characters are quite different. B. piceus n. sp. Black, prothorax piceous, tip of abdomen, legs and antennae rufous, the latter slightly dusky apically. Head and prothorax densely finely granulato-reticulate, the former dull, the latter feebly shining ; elytra shining, abdomen finely reticulate and shining. Second antennal joint about one-half longer than the third and not very much shorter than the third and fourth together, tenth nearly one-half wider than long. Head with a few fine and feeble widely scattered punctures posteriorly, vertex evenly broadly convex, the occipital puncture small ; epistoma simple ( 9 ) , suture fine, somewhat impressed ; eyes rather small and not very prominent. Prothorax very slightly wider than the head, not much wider than long, sides straight and parallel in apical three- fourths, thence convergent and straight to base ; lateral angles very obtuse but distinct, basal angles less obtuse and not well defined, apical right and rather narrowly rounded ; punctuation fine and sparse, median line fine but well impressed. Elytra scarcely wider at base than the prothorax, as long as wide, the sutural length subequal to that of the prothorax, sides a little divergent, punctuation rather close, the punctures moderate in size. Abdomen gradually wider posteriorly, finely very sparsely punctate above, rather coarsely and much more closely so beneath, especially toward the base. Prosternal sutures dis- tinct and moderately oblique, the hypomera evidently impressed along the outer margin ; coxal fissures a little shorter than the adjacent hypomeral width, almost completely closed. Length 3.9 mm. California — Pasadena and Oceanside (Fenyes). A speci- men from Colorado collected by Prof. C. F. Baker is appar- ently identical. A somewhat small and inconspicuous species belonging to the semiferrugineus group, to none of the members of which it seems very closely related. In general appearance it is H. C. FALL. 109 not greatly unlike assimilis, but in the latter the prothorax is distinctly smaller, the dorsal line obsolete, the punctuation closer and the tenth antennal joint is not transverse. B. specularis n. sp. r Head and abdomen piceous, prothorax and elytra dark castaneous, the latter broadly suffusedly blackish along the base and suture ; legs and antennae rufous, the latter a little darker apically. Upper surface strongly shining, the head very evidently so although distinctly granu- lato-reticulate ; prothorax finely subobsoletely reticulate laterally, be- coming quite smooth toward the middle of the disk ; elytra polished, abdomen finely reticulate. Eyes only moderately prominent. Antennal joints 2-3-4 gradually decreasing in length, tenth a little transverse. Head impunctate except for the occipital puncture, before which the vertex is distinctly tumid ; epistomal margin minutely tuberculate each side, the frontal suture somewhat impressed. Prothorax distinctly wider than the head, nearly as long as wide, sides very broadly arcuate and parallel in rather more than apical three-fifths, then convergent and feebly undulate to base, the lateral angles rather distinct, basal angles scarcely defined, median line fine and lightly impressed, punc- tuation very sparse, the sides rather broadly subimpunctate. Elytra a little wider than the prothorax, fully as long as wide, very slightly- widened behind, punctuation sparse, deep, and coarse. Abdomen finely very sparsely punctate above, beneath much more coarsely and closelyr so. Hypomera not strongly narrowed in front, distinctly im- pressed along the outer margin, the prosternal sutures distinct; coxal fissures closed and about as long as the adjacent hypomeral width, mentum rather strongly and broadly concave. Length 4.3 mm. California. Two examples collected by Dr. Fenyes at Point Reyes. This species belongs to the semiferrnginens group, but does not closely resemble any previously described. It is very close to the following one, and the two may be only varietal forms of one species. B. regularis n. sp. Very closely allied to the preceding in all respects except the following. The vertical tumidity is very faint, occipital puncture very small or obsolete, pronotum strongly granu- late-reticulate throughout and much less shining, the median line finer, the punctuation less sparse toward the side mar- gin, elytra a little more closely punctured. TRANS. AM. ENT. SOC, XXXVI. MAY, 1910. 110 AMERICAN COLEOPTERA. California — Cole. Siskiyou County, six examples collected by Dr. Fenyes. This species comes from the interior of the extreme north- ern part of the State, close to the Oregon line, while specu- 'laris occurs near the coast just north of San Francisco. These two forms have probably diverged in comparatively recent times, but seem fairly well differentiated, and if not already distinct are quite sure to become so. The two specimens of specularis known are both females, and have the epistomal margin simple or very nearly so. The type of regularis is a male, having the epistoma distinctly tuberculate each side, the female having the epistoma simple. Piceus is also allied to these, but differs in its smaller elytra, which are also more closely punctate. B. persimilis n. sp. Black, legs and antennae rufotestaceous, the penultimate joints of the latter just perceptibly darker. Head and prothorax very finely granulato-reticulate, the former feebly, the latter quite evidently shin- ing; elytra polished, abdomen very indistinctly though rather coarsely reticulate and strongly shining. Second antennal joint nearly as long as the next two, the fourth as wide as long, fifth evidently transverse, tenth twice as wide as long, eleventh subequal in length to the two preceding. Eyes not very prominent. Head nearly evenly convex, almost impunctate, occipital fovea small but distinct, epistomal suture very fine, not impressed. Prothorax slightly wider than the head, a little wider than long, sides nearly straight and parallel in apical three- fifths, thence straight and just perceptibly sinuate to the hind angles, which are obtuse, well defined but not prominent, lateral angles some- what defined, median line prominent, lateral angles somewhat defined, median line fine but well impressed, punctuation rather fine, moder- ately sparse. Elytra at base very slightly wider, and at apex about one-fifth wider than the prothorax, about one-third longer than the latter, sides feebly divergent, punctuation close and rather fine. Ab- domen sparsely finely punctate, beneath more closely and less finely so. Prosternal sutures strong, parallel with the margin, hypomera flat, not perceptibly impressed along the side margin, slightly nar- rowed at the coxal fissures, which are open and about twice as long as the adjacent hypomeral width. Menturn with a well defined trans- versely oval impresion occupying the basal three-fifths and the middle two-fourths. Length 2.5-2.7 mm California — Pomona (type), Santa Clara County. Four examples. H. C. FALL. Ill This species is evidently very closely allied to Casey's gentilis and gracilis, but differs from each in several details. In gracilis the median groove of the pronotum is said to be very wide, deep and conspicuous, the second joint of the antennae much longer than the next two and the mentum not impressed. In gentilis the size is somewhat greater, the antennae are in great part black, the occipital fovea lacking, the elytra relatively both wider and longer than in persimilis, the hypomera only one-third as wide as their distance from the coxae. B. mysticus n. sp. Rather robust, black, legs and basal two joints of antennae rufous. Head and prothorax densely granulose and dull, elytra and abdomen polished and strongly shining, the latter finely reticulate. Second antennal joint nearly as long as the next two, tenth nearly twice as wide as long. Head broadly convex, a transverse almost entire im- pressed occipital line, which deepens into a foveiform impression at middle ; epistomal suture fine, not impressed, punctuation fine, sparse, shallow. Prothorax a little wider than the head, somewhat transverse, sides broadly arcuate in front, the curvature continuous but stronger posteriorly, hind angles rather abruptly formed, fairly well defined, short, and but little obtuse; front angles a little obtuse and narrowly rounded ; median line fine, lightly impressed, very slightly abbreviated in front; punctuation rather fine, uniformly distributed, except as usual along the median line, the punctures nearly twice their own diameters apart. Elytra about as long as wide, fully one-third longer than the prothorax, sides feebly divergent to apex, surface moderately closely and strongly punctate. Abdomen finely very remotely punctate above, a little less sparsely so beneath. Hypomera about two-fifths as wide as their distance from the coxae, a little narrowed anteriorly, con- cave posteriorly ; the prosternal sutures distinct ; coxal fissures long, open, the surface immediately in front of them transversely impreseed. Mentum broadly evenly concave, reticulate and shining. Length 3.6-4 mm. Washington (State) — type; Kalispell, Montana (Wick- ham). This species belongs to LeConte's annularis group, and judging from description is allied in a general way to sinu- atns, which differs in color and is said to have the median impressed line of the prothorax nearly obsolete. Monticola, gentilis and gracilis of Casey are also related, but are all too TRANS. AM. ENT. SOC, XXXVI. MAY, 1910. 112 AMERICAN COLEOPTERA. small, and each differs in several details. Languidus Csy., is still nearer, but the head is said to be not foveate, the elytra are piceous and the prosternal sutures feeble and indistinct. B. apicalis n. sp. Black, elytra piceous with the sides posteriorly and the apex gradu- ally changing to yellowish-brown, legs and antennae rufous. Head and prothorax densely finely granulato-reticulate and dull ; elytra not reticulate, moderately shining, abdomen very finely feebly reticulate and quite strongly shining. Antenna; moderately incrassate, joints 2-3-4 gradually shorter, the second slightly thicker than the third and about one-third longer, fifth barely as wide as long, sixth a little trans- verse, tenth one-third wider than long, eleventh not quite as long as the two preceding. Head distinctly but not deeply or closely punctate posteriorly, vertex not evidently tuberculate, occipital fovea small ; frontal suture fine, slightly impressed, epistomal margin finely tuberculate each side ; eyes strongly prominent. Prothorax a little wider than the head, rather strongly transverse, sides parallel and distinctly arcuate in apical three-fifths, then covergent and rather strongly sinuate to base, the base angles a little obtuse, with narrowly rounded vertices, apical angles quite sharply defined ; dorsal line fine, feebly impressed, subobsolete for a short distance at its extremities ; punctuation fine, moderately close. Elytra about as long as wide, at base evidently wider than the prothorox, sides diverging a little to apex, rather densely finely punctate. Abdomen finely sparsely punc- tate above, beneath more closely and less finely so. Hypomera nar- row, feebly impressed along the outer margin, a little narrowed at the coxal fissures, where the width is only about one-third the distance to the coxa? ; fissures long and widely open. Mentum large, broadly feebly impressed longitudinally, the impression not deeper posteriorly. Length 5 mm. California (Raymond). Four examples collected by Dr. Fenyes. Allied to ruficornis, but larger and broader, the anterior thoracic angles more prominent and the antennas less dark externally, the mentum nearly flat. In ruficornis the seventh ventral is produced at middle as usual in a more or less pointed cuspiform lobe ; in apicalis the lobe is rather widely truncato-emarginate. B. fratellus n. sp. Very similar to ruficornis, differing as follows : The size is uniformly smaller, the length varying from 3 H. C. FALL. 113 to 3.3 mm. in the seven specimens at hand. The head and prothorax are densely granulato-reticulate, but more finely so and less dull than in ruHcornis ; the elytra piceous, be- coming narrowly and rather abruptly yellowish-brown at apex. The outer joints of the antennae are more strongly transverse, the tenth very nearly twice as wide as long. California, Pasadena (type); Cole. Siskiyou County (Dr. Fenyes). Adustus Csy., from Colorado, must be much like the pres- ent series, but according to description is more lightly and sparsely punctate. B. medialis n. sp. Black, elytra yellow with a broad fuscous sutural stripe; abdomen black above, rufopiceous beneath, legs yellow. Antennas brown, paler at base, second joint slightly thicker than and barely as long as the next two, tenth two-thirds wider than long, eleventh nearly as long as the two preceding. Head and prothorax finely granulate and feebly shining, elytra and abdomen shining, the latter very feebly reticulate. Head evenly convex, epistomal suture very fine, not impressed, sur- face with a few scattered indistinct punctures and a small punctiform occipital fovea. Prothorax slightly wider than the head and a little wider than long, sides feebly arcuate, subparallel or a little divergent from the apex to the middle, then rounded, convergent and a littie sinuate to base angles, the latter obtuse but well defined ; front angles very narrowly rounded and nearly rectangular ; median impressed line fine, entire; punctuation fine and rather sparse. Elytra a little wider at base than the prothorax, about as long as wide, very slightly wider apically, rather closely and moderately strongly punctate. Abdomen very finely and remotely punctate above, less sparsely so beneath. Hypomera nearly flat, very feebly depressed, parallel scarcely more than one-half as wide as their distance from the coxae ; prosternal sutures represented by a fine but prominent raised line ; coxal fissures open. Mentum broadly concave, with or without a deeper rounded median impression. Length 3.1-3.4 mm. Vancouver Island. Three examples. Most nearly allied to suturalis, in which, according to de- scription the mentum is flat and the prothoracic epistoma concave. These differences are slight probably and may be entirely due to slight individual variations, or to lack of precise description. I have, however, compared with the type of suturalis, and judged the present species distinct, but find no notes as to the differential characters. TRANS. AM. ENT. SOC, XXXVI. (15) JUNE, 1910. 114 AMERICAN COLEOPTERA. B. confiiiis n. sp. Head black, prothorax brown, elytra pale yellowish testaceous, the sutural edge darker except toward the apex, abdomen brownish pice- ous with the tip gradually a little paler, legs and antennas testaceous ; surface rather dull, the abdomen more shining, antennae short, penulti- mate joints rather strongly transverse, second slightly longer than the next two. Front evenly convex, epistomal suture very fine, not dis- tinctly impressed ; surface very finely sparsely punctate. Prothorax a little wider than the head, evidently transverse, sides parallel and broadly arcuate for three-fourths their length, then rather suddenly rounded and sinuately convergent to base, the base angles rounded and indistinct, the apical angles sharply defined and nearly rectangu- lar ; surface minutely sparsely punctate, median line fine, scarcely im- pressed. Elytra at base just visibly wider than the prothorax, two- thirds longer, sides slightly divergent, finely, feebly, not closely punc- tate. Abdomen minutely reticulate but shining, punctuation very fine and remote. Prosternal sutures obliterated, the hypomera wide, but little narrowed in front, at base twice as wide as the length of the coxal fissures, which are completely closed. Length 2.2 mm. El Paso, Texas. A single female specimen taken by the writer. The mentum is broadly concave, with an indefinite and feeble longitudinal sublinear impression at middle. This species is to be referred to the cordatus group, and differs from basalis by the smaller prothorax, which is sinuately nar- rowed behind, more ample elytra — which are entirely yellow — and differently sculptured mentum. APLODERUS Steph. The two following species belong to Casey's Group I., dis- tinguished by the front coxal cavities being very large and extending to within a short distance of the lateral edge of the prothorax. A. trinifer n. sp. Head and abdomen black, the extreme apex of the latter paler, pro- thorax rufous or castaneus, elytra flavate with the scutellar region and outer apical angles more or less infuscate ; legs and base of antenmu rufo-testaceous, joints 4-11 of the latter piceous or rufo-piceous. Head as wide as the prothorax, eyes moderately large, their length subequal to their distance from the nuchal constriction, tempora posteriorly as prominent as the eyes ; basal joint of antennas about as long as the next three. Prothorax widest and subangularly rounded at about the H. C. FALL. 115 apical third, thence convergent and nearly straight to the hind angles, which are very obtuse but somewhat defined ; surface sculpture as uaual. Elytra not quite one-half longer, and at base just visibly wider than the prothorax, slightly wider behind, rather coarsely punctate. Abdomen sparsely punctate. Length 2.4-3. mm. Male. — Sixth ventral segment not distinctly modified, the punctures but little finer and closer than on the preceding segment ; seventh seg- ment with a broad very short rounded lobe-like prominence at middle. Female.— Head a little smaller than in the male, sixth ventral with the usual long and narrowly rounded median lobe. Southern California — Pomona (type), Pasadena, Ojai. Differs from the other members of this group by the simple sixth ventral of the male and the trimaculate elytra. A. minieticus n. sp. Almost precisely similar in appearance to the preceding except that the elytra are uniformly flavate, and the size averages a little smaller. The sixth ventral of the male is flattened and rather densely punctate and pubescent at mid- dle as in linearis, but the seventh is not in the least produced as it is in the latter species, which is also rather larger and normally darker in color. Length 2.-2.6 mm. Pomona, California — six examples. A. princeps Csy. A male specimen in my collection from Tulare County, California, possesses exactly the remarkable sexual char- acters of this species as described by Casey ; it is, however, entirely blackish, the elytra just perceptibly paler piceo- castaneous. The type is described as pale flavate, and is probably immature. DELEASTER Er. D. trimaculatus n. sp. Similar to concolor in size and other characters, except as follows : Head blackish, prothorax and abdomen posteriorly more or less darker than the elytra, the latter with a scutellar spot and the apex — more broadly toward the sides — piceous. Antennae more elongate, the outer joints longer, the tenth one-half wider than long ; elytra slightly wider than long, very finely rather closely punctate, alutaceous and dull. TRANS. AM. ENT. SOC . , XXXVI. JUNE, 1910. 116 AMERICAN COLEOPTERA. Caflon City, Colorado. Three examples. In concolor, as represented by a Vancouver specimen in my collection, the color is nearly uniform throughout, the outer joints of the antennas are but little longer than wide, elytra slightly longer than wide, less finely and closely punctate and more shining. SCAPHIDIID^:. BiEOCERA Er. B. humeralis n. sp. Rather narrowly oval, blackish, elytra gradually rufescent at apex, the humeri rufous; antennas pale, the outer joints dusky ; legs rufous ; abdomen rufescent at extreme apex. Integuments highly polished, elytra remotely obsoletely punctulate, elsewhere impunctate. Antennae subequal in length to the head and prothorax, joints 3, 4 and 6 subequal and about three times as long as wide ; 5 slightly longer ; 7-11 gradually wider and pubescent, 9 more abruptly wider when viewed on the compressed side; joints nearly symmetrical. Prothorax about j wider than long, hind angles acute and a little deflexed. Scu- tellum rather large, transverse. Elytra f longer than the prothorax and about 7\ longer than wide ; basal stria entire but very fine exteriorly ; humeral spot reaching half way to the suture, not very sharply defined. Mesepimera extending f to the coxa? ; metepisterna very narrow, punc- tures along the hind margin of the middle and hind coxa? small. Length, 1.7 mm. ; width, 1 mm. Tacoma, Wash, (type); Flagstaff, Arizona. This species seems most closely allied to texana in size, well developed scutellum, and entire basal stria of elytra. It differs dis- tinctly in color, shorter mesepimera and finer post-coxal punctures. SCAPHISOMA Leach. S. dakotana n. sp. Moderately robust, polished, piceo-castaneous, the elytra gradually varying from castaneous at base to rufous at apex ; head, legs and under surface pale, the metasternum blackish. Antennae fully as long as the head and prothorax ; joint 3 triangular, slightly longer than wide ; 4 twice as long as 3 and rather less than three times as long as wide ; 5 as long as 3 and 4 together, and more than three times as long as wide ; 6 about one-third longer than 5, evidently dilated internally and with erect pubescence. Prothorax one-half wider than long, minutely sparsely lightly punctulate. Scutellum distinct. Elytra about one-sixth wider than their sutural length, sutural stria strong, basal stria extending to the middle on one side and nearly to the H. C. FALL. 117 humeral umbone on the other ; punctuation well defined and rather close, moderately coarse at apex, becoming finer basally. Mesepimera reaching two-fifths to coxae ; metasternum punctate at middle, smooth at sides ; abdomen finely alutaceous apically, less evidently so and finely punctulate basally. Post-coxal plate of first ventral barely extend- ing one-fourth the length of the segment. Legs very slender, basal joint of hind tarsus fully as long as the next two. Length 2.7 mm. to the end of the somewhat extended abdomen ; width 1.4 mm. Bismarck, N. Dak. (Wickham). Closely related to p2inctulata by its unusually closely punc- tured elytra, but the latter species is rather more slender, black, the apical bead of the elytra only paler, the mesepi- mera extending three-fifths to coxae, the metasternum more punctate at sides. S. semiopaca n. sp. Moderately broadly oval, piceous black, head, antennae, legs and ab- domen in great part rufous. Prothorax black, highly polished and im- punctate ; elytra diffusedly pale at base, the apex more distinctly nar- rowly so; surface minutely alutaceous and dull, with sparse minute punctures from which rise very fine hairs. Antennae about as long as the head and prothorax, third joint slightly longer than wide, fourth and fifth subequal, each nearly three times as long as the third and fully four times as long as wide ; sixth slightly longer than the fifth, but not quite as long as the seventh. Prothorax one-half wider than long, hind angles moderately produced. Scutellum small, equilateral. Elytra not quite as long as wide, basal stria wanting, the sutural stria merely turned outward a little at base. Beneath nearly impunctate, a few very minute punctures on the first ventral segment. Mesepimera extending two-fifths to the coxae ; post coxal plate of first ventral very short, extending less than one-third the length of the segment. Legs slender, basal joint of hind tarsus just visibly longer than the next two together. Length, 2.2 mm. ; width, 1.4 mm. Texas (Luling). A single example taken by the writer. The minutely sculptured and dull elytra at once distinguish this species from any previously described. S. ornata n. sp. Black, elytra each with an antemedian subtriangular discal spot rufous, and the apical third or fourth paler; legs, antennae, abdominal apex and middle of ventral surface pale. Antennae about as long as the head and thorax, third joint triangular, as wide as long; fourth twice as long as the third or slightly more, fifth and sixth subequal in TRANS. AM. ENT. SOC . , XXXVI. JUNE, 1910. 118 AMERICAN COLEOPTERA. length, as long as the third and fourth together, the fifth about five times as long as wide, sixth arcuately dilated internally ; seventh longer, eighth shorter and narrower than adjacent joints. Prothorax two-thirds wider than long, minutely punctulate, hind angles acute and moderately produced. Scutellum minute, equilateral. Elytra rather numerously and distinctly punctate; sutural stria fine, not flexed outwardly at base. Beneath impunctate ; mesepimera extending two- thirds to coxae, metepisternal suture distinctly oblique ; post coxal plates well developed, subparabolic in outline, that of the firsf ventral two-fifths as long as the segment, more oblique externally. Hind tarsi nearly or quite as long as the tibiae, basal joint quite as long as the next two. Length, 1.5 mm. ; width, .9 mm. Mobile, Alabama. Eight examples very kindly given me by Mr. Loding. According to Mr. Loding's labels specimens were taken in fungus on oak and under bark. This is quite the prettiest species of the genus, and the only one thus far known in our fauna with elytral maculation. The post-coxal plates are better developed than usual, but not more so than in evanes- cens, which it should follow in Casey's table. S. terminata Melsh. Opportunity is here taken to call attention to an erroneous statement in Casey's Revision of the Scaphidiidae with regard to the antennal structure in this species. The sixth antennal joint is there said to be "distinctly longer than the third, fourth and fifth combined," whereas an examination of typical examples in the LeConte and Melsheimer collections show that the fifth and sixth joints are subequal, the latter much shorter than 3-5 united. The metasternum is also finely and sparsely punctate, and the length is 1.5 mm. instead of metasternum coarsely punctured and length 1.8 mm. as stated by Casey, who evidently had something quite different in hand. The true terminata will retain its position in the table next to evanescens, but just what differential char- acters should be given to separate these two I am now un- able to say. In its strongly developed post-coxal plates and posteriorly very broad metepesterna with strongly oblique suture evanescens possesses two very unusual characters, and it is highly probable that it differs in one if not in both respects from terminata. H. C. FALL. 119 S. pusilla Lee. Here again Casey is in error in stating that the post-coxal plates of the first ventral extend "much beyond the middle of the segment." Specimens from North Carolina, Virginia and Massachusetts in Mr. Blanchard's and my own collection agree in all essential characters with the LeConte types of pusilla, and like the type, all have the abdominal plates a little less than half as long as the basal segment, as is de- scribed of Casey's dimidiata from Rock Island. There can be no doubt of the identity of the latter with pusilla. The erection of a new genus — Scaphiomicrus — for this and other possibly distinct species of small size appears to me un- necessary. S. apicale Horn. The descriptions of this species and of peninsularis by Horn in the " Coleoptera of Baja California" are too brief to permit a very satisfactory comparison with the previously known species as arranged by Casey, whose descriptions are very carefully drawn, and whose work on this family is on the whole deserving of much praise. Peninsularis is un- known to me, but a specimen of apicale obtained some years ago from Mr. Fuchs enables me to add some details which will be of use to the student for comparative purposes. With the exception of the head and propleurae the insect is finely punctulate throughout, the upper surface more closely so however. The head is very minutely and remotely punctu- late, the propleurae impunctate. The sides of the meso- sternum are sparsely punctulate, and the ventral surface is distinctly alutaceous throughout, both very unusual char- acters. The antennal structure is in some respects unique. The third joint is triangular, as wide as long, fourth cylin- drical, less than twice as long as wide and barely one-half longer than the third ; fifth and sixth each nearly twice as long as the third and fourth together. The pubescence begins on the fifth joint, but this and the sixth are only slightly dilated internally ; the seventh quite strongly asym- metric. Scutellum small, equilateral. Mesipimera reaching TRANS. AM. ENT. SOC, XXXVI. JUNE, 1910. 120 AMERICAN COLEOPTERA. just visibly more than half way to the coxae ; metepisternal suture straight and strongly oblique ; post-coxal arcs of first ventral about one-fourth the length of the segment. HISTERID^E. HISTER. H. temporalis n. sp. Broadly oval, black, highly polished. Prothorax strongly narrowed in front, sides nearly straight, inner marginal stria entire, outer abbre- viated at apical two-fifths, surface very remotely and minutely punc- tulate toward the sides. Elytra with four entire dorsal striae, fifth wanting, sutural represented by a few subconfluent punctures just behind the middle ; oblique humeral very fine, subhumeral entirely wanting. Pygidium and propygidium similarly rather coarsely, closely punctate, the latter narrowly smooth at base, the former more broadly smooth at apex. Prosternum finely bistriate, the striae divergent at base, then parallel, their tips bent inward ; mesosternum moderately emarginate in front. Anterior tibiae with four small teeth, the apical one double. Length from the apical margin of the prothorax to the sutural angle 4.5 mm; width, 3.8 mm. Arizona (Baboquivaria Mountains — Snow). This species is by the prosternal striae allied to servus, indistinctus and defectus. The two former have the outer thoracic stria entire. Defectus has the prosternal striae diver- gent in front and the pygidium nearly smooth. All three are considerably smaller than the present species — 3-3.5 mm. — according to Horn's measurements. This may perhaps be the form for which Dr. Sharp suggests the name Comes in the Biologia, but as his description is limited to the state- ment that it is larger than servus, and with no scutellar stria I can do no more than suggest the possible identity of the Mexican species with the one here described. H. humilis n. sp. Broadly oblong oval, black, shining, prothorax and elytra impunc- tate. Prothorax moderately narrowed in front, the sides continuous with those of the elytra, very broadly arcuate, outer stria abbreviated, apical, inner stria entire. Elytra with three entire striae, the fourth apical, consisting of three or four disconnected punctures, fifth want- ing, sutural extending from the apex to the basal fourth ; subhumeral striae absent. Propygidium and pygidium alutaceous and dull, moder- ately coarsely and closely punctate, the bottom of the punctures shin- ing ; pygidium smooth at apex. Anterior tibiae rather feebly serrato- dentate. Length 3.5 mm. H. C. FALL. 121 Arizona (Cochise County). Form and size of militaris, to which it is closely related. In the latter the elytra are in great part red, and the propy- gidium is less closely punctate. H. g agates n. sp. Broadly oblong oval, black, polished, prothorax and elytra very minutely and sparsely punctulate. Outer thoracic stria interrupted for a greater or less distance at middle. Elytra with all the dorsal striae entire, the fifth slightly shorter, recurved and joining the sutural ; no subhumeral stria. Propygidium moderately coarsely not densely punc- tate ; pygidium more finely and less closely punctured. Length, 3-3.3 mm. ; width, 2.6-2.8 mm. Lake Tahoe, California (type); Spokane, Wash. In the type the outer prothoracic stria reaches the apical third, and there is a very short detached basal stria ; in the Spokane example the stria is narrowly interrupted behind the middle. This is a near ally of americanus, but is dis- tinctly narrower and more oblong, the pygidium much more evidently punctate apically. NITIDULID^E. CARPOPHILU8 Steph. In his treatment of this genus in the " Biologia " Dr. Sharp has called attention to the presence in certain species of an oblique raised line cutting off the anterior angle of the meta- sternum. This line is really a backward production of the anterior marginal raised edge of the metasternum. In the greater number of our species the line is strictly marginal throughout, reaching the episternal suture at the anterior angles of the metasternum. In a few, e.g., yucctz and tem- pestivus, it arches backwards just within the angle ; in dimi- diatus and floridanus n. sp., the flexure is more evident; in marginatns and antiquus it leaves the front margin at a greater distance from the angle, and approaches the epis- ternal suture at its anterior third; in mutilatus and luridus at the anterior two-fifths, and in nitens n. sp., at about the middle, the front angles of the metasternum being in this case very widely truncate. The corner of the metasternum TRANS. AM. ENT. SOC, XXXVI. (16) JUNE, 1910. 122 AMERICAN COLEOPTERA. cut off by the oblique line seems always to be devoid of punctures. A second character used by Sharp in grouping the Mexican species is the presence of a marginal fringe of short ciliae at the sides of the prothorax and elytra. Four species of the Mexican fauna possess this character according to Sharp, viz. — pallipennis, fl oralis, canescens and longiventris. All of these but canescens occur within our faunal limits, and to these we may add hemipterus, melanopterus and two new species described in the present paper — longtis and rickseckeri. In longtis and longiventris the ciliation is quite conspicuous, in hemipterus and pallipennis distinctly less so, and in the others the fringe is so short that in old or ill-conditioned specimens it might not be at all apparent. It will be observed that all the above species are at least moderately large and convex, none of our smaller depressed forms showing any appreci- able trace of the marginal hairs. C. dimidiatus Fab. As already indicated in the preceding remarks the ante- rior angles of the metasternum are distinctly less widely truncate by the raised line in this species than in mutabilis and luridus. This character seems to be a very constant one, and taken together with the recognized differences in size, color and sculpture demonstates to my satisfaction its specific distinctness. The metasternal line seems to be iden- tical in position in mutilatus and luridus, and it is probable that we have been correct in regarding them as forms of a single species. C. floridanus n. sp. Closely similar to dimidiatus in size, form and most details of structure. Head, prothrox and elytra concolorous, brown ; dorsal surface of abdomen and sometimes the metasternum darker. Punctuation a little finer throughout than in dimi- diatus. Legs slightly stouter, the hind tibiae of the male subcylindrical for a short distance at base, then rather ab- ruptly widening, the inner outline arcuate. Enterprise, Florida. Two cf's, one 9. H. C. FALL. 123 This species doubtless passes in collections for dimidiatus, in which, however, the hind tibiae of the male are gradually widened from the base, the inner margin straight. C, longus n. sp. Elongate, parallel, convex, feebly shining, brown, the head and pro- pygidium somewhat darker, the elytra, legs and antennas a little paler ; pubescence of upper surface short and rather inconspicuous ; sides of prothorax and elytra fimbriate with short close-set hairs. Head and prothorax densely punctate, elytra a little more finely and less densely so, the dorsal segments of the abdomen still less closely punctate though not sparsely so. Head fully § as wide as the prothorax. Prothorax % as long as wide, very little narrowed in front, sides nearly straight, hind angles rounded. Elytra with sutural length slightly shorter, and lateral length a little longer than their width ; \ longer along the suture than the prothorax. Body beneath densely punctate anteriorly; abdomen somewhat less so. Additional anal segment of male inferior in position. Legs short and stout, differing very little in the sexes. Length, 4.4 mm. ; width, 1.7 mm. Santa Rita Mountains, Arizona. A single pair kindly given me by Mr. Schwarz. In Horn's table this species would fall near mutilatus, but the large size, narrow, parallel, rather convex form give it an appearance which is quite different from any of our other species. The ciliae of the lateral margins of the prothorax and elytra are longer than in any other of our species, except possibly longiventris. C. longiventris Sharp. Specimens which agree sufficiently well with Sharp's short description of this Mexican species have been taken in the Santa Rita Mountains of Arizona by Hubbard and Schwarz, and more recently by Prof. Snow. It is a stout convex species of the general type of pallipennis, but longer, fusc- ous, the antennae, legs and vertex rufous, the elytra rufous with the suture narrowly at base, and a broad median stripe or cloud fuscous. Punctuation nearly as in pat 'Upturn's; sup- plementary anal segment of male vertical, produced, nar- rowed to apex, the tip rounded and polished ; last ventral with an apical fovea, on each side of which is a transverse polished tuberculiform elevation. Tibiae all stouter in the TRANS. AM. ENT. SOC, XXXVI. JUNE, 1910. 124 AMERICAN COLEOPTERA. male, those of the hind feet curved in a plane transverse to the body, their inner face denticulate. Pygidium of female a little concave longitudinally, the tip prolonged and pointed. Length about 3i mm. Sharp gives 4 mm. C. ignobilis n. sp. Moderately elongate oval, subdepressed, piceous, legs and antennae rufous, club of latter a little darker ; upper surface moderately shin- ing, with recumbent fuscous pubescence ; punctuation close and mod- erately coarse throughout, the punctures on the disk separated as a rule by less than their own diameters. Head § as wide as the pro- thorax. Prothorax slightly more than f as long as wide, the apical width equal to the length, sides broadly arcuate, just visibly rounded in at base, not sinuate before the base angles, which are rather sharply defined and somewhat obtuse ; disk with a very narrow median im- punctate line in basal half. Elytra just perceptibly wider than long, at sides j longer than the prothorax, the sutural length about I the lateral length. Pygidium and propygidium more finely punctate than the elytra. Beneath less shining and rather densely punctate, the abdomen less coarsely and closely so. Length, 3.5 mm. ; width, 1.6 mm. Santa Rita Mountains, Arizona. A single female specimen sent by Prof. Snow is all I have seen of this species, which while quite surely disctinct from any of our described species, seems to possess no characters of special interest. It is apparently nearest niger, differing from that in its narrower form, narrower prothoracic side margins, and entire lack of pronotal impressions. C. rickseckeri n. sp. Rather broadly oblong oval, convex, sparsely pubescent, black or nearly so, elytra with a small basal pale spot within the humeri, legs rufous or rufo-piceous, antennae rufous, the club piceous. Upper sur- face strongly shining, polished, without trace of alutaceous sculpture except feebly toward the sides and apex of the elytra. Above quite coarsely punctured, more coarsely and closely so toward the sides of the prothorax, more sparsely at the middle, where the punctures are separated by from one to two times their own diameters. Beneath less shining and rather densely punctate throughout. Head a little more than half as wide as the prothorax. Prothorax slightly more than one-half wider than long, arcuately narrowed in front, subparallel basally, not at all sinuate before the hind angles, which are not re- tracted, fairly well defined, a little obtuse. Elytra not apparently wider than the prothorax, \ wider than long, the lateral length about ', H. C. FALL. 125 longer than the sutural and J longer than the prothorax. Supplement- ary anal segment of the male inflexed, but visible from above; pygidium of female longitudinally impressed at sides. Thighs stout, tibia? mod- erate, straight, the front ones widest. Length, 3.3-4. mm. ; width, 1.6-1.9 mm. vSan Diego, California. One c?, seven 9 s. Taken in decaying cactus by Mr. L. E. Ricksecker, to whom the species is dedicated in recognition of many favors. C. iiitens n. sp. Oblong subovate, moderately convex, piceous brown, antennae, legs and under surface paler. Above rather sparsely pubescent, strongly shining, without or with but the faintest trace of alutaceous sculpture. Head moderately punctate, more finely so in front. Prothorax fully | wider than long, subparallel basally, sides arcuately narrowed in front, the apex § as wide as the base, hind angles well defined and subrectangular as viewed from above, not appreciably retracted ; punctuation moderately coarse and close, the punctures separated at middle by from one to two times their own diameters ; closer and a little coarser laterally. Elytra scarcely wider than the prothorax, slightly wider than the sutural length, sides parallel for f their length, then a little narrowed to apex ; punctuation similar to that of the prothorax. Beneath rather densely punctate, the presternum more coarsely, the abdomen more finely so than above. Tibiae nearly straight and gradually widened apically, scarcely different in the sexes. Additional anal segment in the males inferior in position. Length, 3 mm. ; width, 1.4 mm. Five examples are before me, all taken at or near Mobile, Ala., by Mr. H. P. Loding. By Horn's table this species would fall near antiquus, from which it differs in its uniform color, more convex form, longer pubescence, unmodified hind tibiae of the male, and in several other details. Nitens does not agree very closely with any of the species described by Murray or in the " Bi- ologia," though seemingly nearest to ferrugineus Murr., of Mexico. This latter, however, is said to have the head and thorax very lightly and sparingly punctate, posterior angles obtuse and scutellum scarcely punctate, none of which char- acters apply to nitens. <.'. floralis Er. Dr. Sharp believes this to be distinct f rom pallipennis Say, and observes that it has the sides of the elytra less distinctly TRANS. AM. ENT. SOC . , XXXVI. JUNE, 1910. 126 AMERICAN COLEOPTERA. ciliate, thus forming a sort of transition between the ciliate and non-ciliate species. He says that it differ from palli- pennis otherwise in having more definite punctuation of the elytra, and the pygidium of the female quite simple at the extremity, whereas in pallipennis it is prolonged, incrassate and somewhat reflexed. This structure of the pygidium in the female is very distinct in some specimens before me, and feeble or obsolete in others that appear to be equally good pallipennis, I am, therefore, undecided as to what signifi- cation to attach to these variations. TROGOSITID^E. A new genus seems to be necessary for an undescribed Californian species allied to Nemosoma and Alindria. These two genera are themselves mutually very closely related, differing only in the broader more conspicuously spinose tibiae and relatively shorter tarsi of Alindria. The differ- ence in the form of the eyes indicated in the " Classifica- tion" is barely detectable, and seems to me of even less weight than such superficial characters as the humeral pits and finer elytral sculpture of Nemosoma. The new genus certainly differs more from each of these than they differ from each other. PSEUD ALINDRIA new genus. Elongate, cylindrical, head equal both in length and width to the prothorax ; epistoma deeply triangularly emarginate and impressed at apex, the sides produced over the base of the mandibles ; palpi as in Nemosoma and Alindria. An- tennae as in these genera, except that the club is wider and less asymmetric, being distinctly developed interiorly, though less so than exteriorly. Eyes broadly transversely oval, not at all emarginate. Elytra without basal pits, not striate, the punctures confusedly distributed, with traces of serial arrangement near the suture. Tibiae rather slender, the two anterior pairs with two or three small distant spines on the outer margin ; front tibiae with a rather slender curved apical spur ; middle and hind tibiae without distinct spurs ; tarsi slender, as long as the tibiae, last joint shorter than the three preceding united. H. C. FALL. 127 P. fissiceps n. sp. Form narrow, cylindrical, moderately shining, black, prothorax and basal third of elytra, antennae and legs reddish-brown ; beneath blackish. Antennas shorter than the head, basal joint longer, joints 2-8 short, gradually wider externally, club subequal in length to the preceding six joints, and twice as wide as the 8th ; 8th joint trans- versely oval. Head elongate, parallel behind the eyes, the latter small, not prominent, about as distant from the prothorax as from the front of the epistoma. Epistoma deeply triangularly emarginate and im- pressed, front with a longitudinal impressed line ; surface alutaceous, and rather strongly not closely punctate, the punctures elongate. Pro- thorax subequal in length to and not wider than the head, obviously narrowed posteriorly, apex squarely truncate, base broadly arcuate, side margin fine, disk evenly convex, punctuation slightly finer than on the head. Elytra very slightly wider than the prothorax, fully 2i times as long as wide and about j longer than the head and prothorax together; punctuation rather sparse, irregular, with traces of serial arrangement near the suture ; disk without trace of striae, a short rather deep linear impression on the declivity. Head and presternum beneath coarsely sparsely punctate ; metasternum and abdomen finely sparsely punctate. Length, 4.4-5.7 mm. ; width, .95-1.2 mm. I owe my specimens of this interesting species to Dr. E. C. Van Dyke, who took them flying on warm days in March about corded Douglas spruce logs at Forest Hill, Placer County, California. NEMOSOMA Lat. N. cavieeps n. sp. Similar in form and size to cylindricum, piceous, antennae and legs rufous, extreme base of elytra obscurely rufescent near the humeri. Head broadly but distinctly transversely impressed posteriorly, front broadly concave. Elytra very finely punctate striate basally, the punctures becoming almost completely obsolete apically ; abdomen nearly smooth, the punctures very fine and remote. Huachuca Mountains, Arizona — 9000 feet (type); Las Vegas Hot Springs, New Mexico (Barber and Schwarz). In cylindricum the front is flat or very nearly so, the head scarcely impressed behind, the elytral striae distinct to apex, the abdomen more closely and distinctly though finely punc- tate, the elytra usually with basal and apical rufous areas. TRANS. AM. ENT. SOC, XXXVI. JUNE, 1910. 128 AMERICAN COLEOPTERA. TENEBKIOIDES Pall. T. tenuistriata n. sp. Strongly depressed, intensely black above, surface alutaceous and only moderately shining ; beneath black or blackish anteriorly, the abdomen piceous or piceo-castaneous, legs and antennae rufo- to piceo- castaneous. Prothorax not quite one-half wider than long, sides rather widely margined, sinuate behind, hind angles rectangular, basal mar- gin squarely truncate, punctuation as fine as in castanea. Elytra one- fourth wider than the prothorax, evidently widest at middle, strial punctures very fine, the striae scarcely perceptiby impressed, intervals biseriately punctate. Length, 7-8 mm. ; width, 21-3 mm. Described from a series of four examples taken by the writer at Las Vegas Hot Springs, New Mexico. This species is one of the most distinct in our fauna, being approached by no other in the fineness of the elytral sculp- ture. The squarely truncate hind margin of the prothorax is also peculiar to it. T. occidentalis n. sp. This name is proposed for a species occurring commonly in the Southern Rocky Mountain region. It is most nearly allied to corticalis and californica, but appears to be distinct from both. As compared with corticalis it averages con- siderably larger, the prothorax is more widely margined at the sides and a little more coarsely punctate ; the interstitial punctures of the elytra are also less fine, and the sides of the elytra are a trifle less straight and parallel. The color is almost never black, varying from castaneous to piceous, the prothorax often somewhat paler than the elytra. The re- semblance to californica is quite as strong, but in the latter the form is a little stouter, the elytra a little less elongate, the prothorax is also less widely margined, and the eighth antennal joint is subtriangular and a little wider than the seventh, while in occidentalis it is oval and not at all wider than the seventh. Length, 7-9.2 mm. ; width, 2.6-3.3 mm. Specimens are before me from Boulder, Colorado ; Las Vegas Hot Springs, Pecos and Cloudcroft (type), New Mexico ; and Williams and Chiricahua Mountains, Arizona. T. debilis n. sp. Strongly depressed, piceous above or with the head, or head and prothorax, castaneous ; beneath rufo-castaneous. Antenna? about as H. C. FALL. 129 long as the head, eighth joint not wider than and similar to the seventh . Head and prothorax coarsely closely punctate, the latter strongly nar- rowed behind, the side margin narrow, evidently but briefly sinuate at the hind angles, which are well developed though small and nearly rectangular. Elytra narrowly oval, widest at middle, stria? well im- pressed, intervals rather strongly biseriately punctate. Length, 5.1-5.3 mm. ; width, 1.9 mm. Described from two examples, the type taken by myself at El Paso, Texas ; the other from Texas without specific locality. This species is nearest marginata and was so named for me years ago. Specimens of the latter species from Ohio in the LeConte Collection, with which I have made comparison, differ in being black with sides of elytra rufous, head and prothorax less coarsely closely punctate, the latter less narrowed behind, the angles a little less prominent, the elytra more parallel. Collaris is of the same size and gen- eral appearance but is still more flattened, with the pro- thorax even more finely margined, and the hind angles scarcely defined. T. californica Horn. This species is quite distinct from sinuata with which it has been united as a variety in the Check List. The lattter has the prothorax less narrowed behind than usual and more widely margined than in californica. ELATERID^E. L.IMONIUS Esch. L. vernalis n. sp. Head and thorax aeneopiceous, margins, except sometimes the lateral ones, more or less marrowly pale ; elytra reddish-brown, beneath pice- ous, the prosternal lobe, sutures and side margins, and the abdominal apex more or less pale. Antenna? longer than the head and prothorax by about two joints (c?), or about reaching the hind angles of the thorax (9); joints 2-3-4 gradually longer, the third scarcely wider than the second ; fourth wider, triangular, nearly one-half longer than wide ; following joints gradually narrower but scarcely longer than the fourth. Head rather coarsely punctate, front flattened or feebly con- cave, margin feebly sinuate at middle. Prothorax slightly longer than wide, widest behind the middle, sides broadly arcuate and gradually a little convergent from about the basal third, not sinuate before the TRANS. AM. ENT. SOC, XXXVI. (17) JUNE, 1910. 130 AMERICAN COLEOPTERA. hind angles, which are parallel and not produced ; disk strongly mod- erately coarsely punctate, the punctures nearly in contact at sides, slightly finer and distant by their own diameters — more or less — at middle ; median line impressed posteriorly. Elytra parallel in basal two-thirds, finely striate, striae distinctly punctate, intervals subbiseri- ately punctate. Beneath a little more finely and less closely punctate. Basal joint of tarsi a little longer than the second. Length, 8.3-10 mm. ; width, 2.1-2.7 mm. Southern California — Pasadena (type), Pomona, Clare- mont, Riverside, Santa Monica. Specimens from Healds- burg and Russian River in Northern California seem scarcely different, and are so referred. This species is the commonest one of the genus in South- ern California, appearing on willows in early spring. It re- sembles in a general way several Californian species. Of these infuscatus differs in having shorter antennae, the joints relatively a little less elongate, the prothorax uniformly aeneo-piceous and more finely punctate, and the elytra of a darker tint ; discoideus has the pale side margins of the pro- thorax wider and is more coarsely densely punctate ; oca- dental is has the prothorax entirely piceous, and also much more coarsely densely punctate ; canus is more coarsely sculptured, darker in color, and with longer antennas. ATHOUS Esch. A. aterrimus n. sp. Intense black throughout, dull, pubescence fine, fuscous. Antennas as long as the prothorax, second joint half as long as the third, third broadly triangular, a little narrower and shorter than the fourth, fourth and fifth equal, broadly triangular, a little longer than wide ; follow- ing joints gradually narrower. Head densely punctate, strongly sub- triangularly impressed. Prothorax slightly longer than wide, gradu- ally narrowed from the base, sides scarcely at all sinuate posteriorly, broadly arcuate, hind angles short and blunt, not produced, rounded at tip and not divergent; punctuation very dense throughout, median line with trace of impression in certain lights, hind angles with a fine but strong, moderately long acute carina. Elytra not much more than twice as long as the prothorax, very feebly narrowed from the base for two-thirds their length, then more rapidly so to apex, stria? moderate, intervals rather densely punctate. Beneath more shining, pubescence paler, rather closely finely punctate, the propleurse more densely so. Basal joint of hind tarsi as long as the next three, joints 1-4 all with a short lobe, the lobes of the second and third a little more developed. Length, 10.5 mm. ; width, 3 mm. H. C. FALL. 131 McCloud, Northern California (Fenyes). A single example of uncertain sex is all I have seen of this species, which is not at all like any other of the genus known to me. The general aspect is like that of Mega- penthes tartaricus, though less coarsely sculptured and less pubescent. A. iiigens n. sp. Black, shining, pubescence blackish, very fine and short, sparse and inconspicuous. Antennae (c?) passing the hind angles of the thorax by a little less than the length of the last joint ; ( 9 ) failing to reach the hind angles by about two joints ; second joint one-half as long and slightly more than half as wide as the third, the latter a little shorter and narrower than the fourth, which is a little longer than wide ; outer joints gradually narrower and more parallel, the tenth about twice as long as wide. Head closely punctate, front rather strongly concave, the concavity subtriangular in some specimens. Prothorax not quite as long as wide, a little narrowed in front, sides broadly arcuate, hind angles scarcely divergent ; punctuation dense and rather coarse later- ally, finer and less close medially, a short, narrow, imperfect smooth line at middle ; median line impressed posteriorly, hind angles with a fine short carina. Elytra not much wider than the prothorax and nearly three times as long, subparallel in the male, a little dilated posteriorly in the female ; strise moderately impressed, finely punctate apically, more strongly so basally ; intervals feebly convex, finely sparsely punctate. Prosternum closely rather coarsely punctate, the flanks fully as coarsely and more densely punctate ; metasternum and abdomen more finely and sparsely punctured. Basal joint of hind tarsus as long as the next three ; joints 2-3-4 with short lobes. Length, 16 mm. ; width, 4.7 mm. Five specimens have been seen, all collected by Dr. Fenyes at Mohawk, California. It is probably most nearly allied to scissus, but may be separated by its larger size and carinate hind angles of the thorax. A. inn tans n. sp. Elongate convex, moderately shining and pubescent, head and pro- thorax piceous, the hind angles of the latter pale, elytra rufotestace- ous, beneath piceous, the legs, prosternal lobe, and sometimes the ab- dominal apex, pale. Antennas brown or piceous, paler at base, short, not or scarcely attaining the hind angles of the prothorax, joints 2-3 subequal in width, the latter but little longer; fourth distinctly wider and about one-third longer than the third, triangular, three-fourths as wide as long, the lower apical angle obtuse and rounded ; fifth similar TRANS. AM. ENT. SOC, XXXVI. JUNE, 1910. 132 AMERICAN COLEOPTERA. to the fourth, following joints gradually narrower, the eleventh only slightly longer than the tenth. Head flattened in front and feebly broadly concave, the apical margin not or but little reflexed, densely punctate. Prothorax a little longer than wide, sides feebly arcuate, a little narrowed in front, not sinuate posteriorly, the hind angle not produced, rectangular; surface densely, nearly evenly, not coarsely punctate, median line vaguely impressed, hind angles not carinate. Elytra very little wider than the prothorax and two and one-half times as long as wide, finely striate, intervals nearly flat, closely punctate. Beneath rather densely not coarsely punctate, the presternum some- what less closely punctate. First joint of hind tarsus not quite as long as the three following ; tarsal joints without lobes. Length, 8.5-10.5 mm. ; width, 2.3-2.9 mm. Placer County, California (G. R. Pilate). The pubescence is pale throughout, rather closely recum- bent with sparsely dispersed longer more erect hairs both above and beneath, most noticeable on the pronotum, where, however, they are only evident when viewed in profile. This peculiarity of the pubescence is observable in a few other species of Athous, notably in discors and agriotoides, the latter of which very closely resembles the present species. In agriotoides the pubescence is longer throughout, the pro- thorax more coarsely punctate, the second antennal joint only half the length of the third, the latter nearly as long as the fourth, and the third tarsal joint is conspicuously lobed. CORYMBITES Lat. 0. linearis n. sp. Very narrow, rather feebly shining, sparsely pubescent, prothorax rufotestaceous with the side margin and a broad median longitudinal vitta fuscous, elytra yellow with side margin and broad sutural stripe dark brown ; beneath rufotestaceous, the sterna more or less com- pletely infuscate ; presternum yellow in front, the tip of the lobe dark. Antennae brown, slender, half as long as the body, the seventh joint reaching the hind angles of the prothorax (cf), second joint short, nearly as wide as long and scarcely half as long as the third, the latter elongate triangular, a little more than twice as long as wide, the apical angle obtuse ; fourth joint slightly longer than the third, the follow- ing joints becoming gradually longer, 6-11 parallel, the tenth at least four times as long as wide. Head densely coarsely punctate and feebly concave. Prothorax much longer than wide, apex not wider than the head, sides straight and gradually divergent to base angles, a faint sinuation before the latter, which are, however, scarcely diver- H. C. FALL. 133 gent and not produced ; surface coarsely densely punctate throughout, except for a very narrow, incomplete and imperfect smooth median line ; hind angles with a moderately long and fine carina near the side margin. Elytra three times as long as the prothorax and three and one-half times as long as wide, widest at the humeri, thence gradually attenuate to apex ; striae well marked, finely punctate near the suture, more coarsely so laterally ; intervals somewhat convex and biseriately punctate, the punctures close to those of the striaae. Beneath finely rather densely punctate posteriorly, the prosternum more coarsely so. Length, 13-14 mm. ; width, 2.9-3.1 mm. California. Described from two male specimens given me years ago by Mr. L. E. Ricksecker, and probably taken by him in the vicinity of Santa Rosa. Linearis is rather strongly suggestive of the Eastern longi- cornis, which has still longer antennae, with the second joint shorter, the prothorax less densely punctate, more shining and not vittate. C. macer n. sp. Strongly elongate, brown, the pronotum, prosternum and median parts of the abdomen piceous ; surface shining, pubescence short, grayish, rather sparse. Antennae three-fourths as long as the body, the seventh joint reaching the humeral umbone, second joint small, a little wider than long and scarcely one-third the length of the third, the latter triangular, twice as long as wide, the apical angle nearly right ; following joints gradually longer and less triangular, 7-11 linear. Head densely punctate, front broadly concave. Prothorax at apex not wider than the head, sides gradually divergent and nearly straight throughout, hind angles not produced or divergent, the width across the hind angles not quite three-fourths of the length along the median line ; punctuation rather coarse, dense laterally, a little less so medi- ally, but with no indication of a smooth line ; hind angles carinate. Elytra three and one-fourth times as long as wide, striae rather fine, intervals slightly convex, biseriately punctate apically, the punctures becoming more numerous and irregular basally. Body beneath finely closely punctate, the prosternum more coarsely so at middle. Length, 15 mm. ; width, 3.6 mm. Miami, California ; June, Dr. Fenyes. Nearly as elongate as longicornis and linearis, and allied to them by the unusually long antennae, which are, however, not quite as long as in longicornis, though longer than in linearis, but differs from both in color. TRANS. AM. ENT. SOC, XXXVI. JUNE, 1910. 134 AMERICAN COLEOPTERA. C. rufipennis n. sp. Black, elytra red, propleura? piceous at middle, paler in front and behind ; femora piceous, tibiae and tarsi paler. Antenna? passing the hind angles of the thorax by about two joints, moderately serrate basally, second joint just visibly longer than wide, and about one-half the length of the third, the third not quite twice as long as wide, sub- equal to the fourth, the latter about one-third longer than wide, tenth twice as long as wide. Head vaguely concave, not very densely punc- tate. Prothorax evidently longer than wide, sides broadly arcuate and moderately convergent in front, a little sinuate before the hind angles, which are moderately divergent ; punctuation coarse and dense later- ally, finer and less close medially, where the punctures are separated by about their own diameters ; disk broadly impressed at sides near the middle, hind angles carinate. Elytra parallel in basal three-fifths, striae moderate, finely punctate, intervals nearly flat toward the suture, feebly convex laterally, finely not very numerously punctate. Beneath finely densely punctate, the prosternum more coarsely so. Length, 11 mm. ; width, 3.2 mm. Kaweah, California, June 5th, 7400 feet. One specimen, probably a male, received from Mr. Ralph Hopping. This species resembles and is perhaps nearest spinosus ; it is, however, a little narrower, the thorax more coarsely punc- tate, the antennae stouter and the elytra of a brighter tint. C. Uitescens n. sp. Testaceous, prothorax brownish, head darker; beneath brownish, the abdominal apex more or less paler; pubescence fine and short, pale. Antenna? piceous or brown, the basal joint pale, in the male passing the hind angles of the prothorax by about two joints ; joints 2-3-4 gradually longer (c?), the fourth barely twice as long as wide and distinctly shorter than the second and third together. Head mod- erately coarsely closely punctate. Prothorax, exclusive of the hind angles, nearly square, sides subparallel, narrowed a little in front, hind angles prolonged, acute, and rather strongly divergent ; disk finely not very closely punctate, median line not impressed, hind angles with a fine short carina. Elytra about two and two-thirds times as long as wide, sides nearly parallel, stria? fine, very finely punctate, intervals rather closely confusedly punctate. Beneath finely rather sparsely punctate, the propleura? more densely so. Length (c?1), 9.2 mm.; width, 2.5 mm. ; ( 9 ) length, 10.2 mm. ; width, 3.6 mm. The male type above described was taken at Bannf, Alberta, by Dr. Fenyes. I have associated with it with con- fidence several females from Emerald Lake, B. C, also col- lected by Fenyes. The females are notably stouter, the pro- H. C. FALL. 135 thorax wider and more rounded at sides, the elytra inflated posteriorly, the antennae barely as long as the thorax, the fourth joint just visibly longer than the third ; the prothorax and lower surface paler than in the male, the elytral striae very fine and not impressed on the disk basally. This species seems nearest insidiosa, from which it differs by the less elongate prothorax and shorter antennae. In insidiosa ( c?1 ) the fourth antennal joint is nearly twice as long as the third and equal in length to the second and third together. Sagitticol/is is also similar in general form and facies, but is a larger species, and in the male the second and third joints of the antennae are short, together not longer than the fourth. C. nigricans n. sp. Moderately elongate, shining black, the elytra piceous black, legs and antennas rufopiceous, pubescence very fine dark and inconspicu- ous. Antennas short and stout, not reaching the base of the pro- thorax ; second joint a little more than half as long as the third, third and fourth subequal in length, the latter a trifle wider and not quite twice as long as wide ; fifth distinctly shorter than the fourth, the fol- lowing joints gradually shorter, the tenth nearly as wide as long. Front flattened, the impression distinctly triangular in one specimen, punctuation moderate. Prothorax subquadrate, as wide at middle as the apices of the hind angles, sides broadly arcuate, not very strongly narrowed in front, sinuate behind, hind angles moderately divergent and acute, strongly carinate ; punctuation rather dense but not coarse, not closer at sides, median line impressed throughout. Elytra very little wider than the prothorax, striae finely punctate, intervals very finely irregularly not densely punctate, there being four to five punc- tures in the width of the interval. Beneath sparsely finely punctate, the propleurae a little more closely and coarsely. Length, 11.5-12 mm. ; width, 3.4-3.5 mm. California, Lake Tahoe (type) and Siskiyou County. The antennal structure and to a considerable extent the general form is suggestive of sulcico//is, near which the species may be placed. In sidcicollis the prothorax is longer and widest at a point much farther forward. C. exclamationis n. sp. Obovate, depressed, shining, finely pubescent, black, elytra yellow, each with a small subbasal spot, and behind this an obliquely arcuate TRANS. AM. ENT. SOC, XXXVI. JUNE, 1910. 136 AMERICAN COLEOPTERA. longitudinal vitta at the middle third approaching the suture posteri- orly, black. Antennas barely reaching the hind angles of the pro- thorax, nearly as in hieroglyphicus and allies, the third joint a little wider apically, but not distinctly triangular, barely as long as the fourth. Head small, scarcely half as wide as the prothorax ; front flat, not closely punctate. Prothorax as long as wide, widest at base, the hind angles moderately strongly divergent, sides arcuately and rather strongly narrowed anteriorly, surface finely closely punctate, hind angles not carinate. Elytra strongly widening to apical third, where they are one-third wider than the prothorax, three-fourths longer than wide, side margins rather broadly reflexed, stria? almost obliter- ated except at base, the rows of punctures just discernible with a good lens. Beneath finely closely punctate and pubescent. Length, 8.8-9.6 mm. ; width, 3.2-3.6 mm. Described from a series of five specimens taken by Dr. Fenyes near Lake Tahoe, California. A very pretty species related to nigricollis, hieroglyphicus, etc., but at once distinguishable by the elytral markings and the nearly obliterated striae. The elytral vitta reaches the suture and extends forward a short distance along it in one specimen. C polygenus n. sp. Form rather narrow, parallel, reddish-brown, pubescence conspicu- ous, pale ochreous in color. Antennae barely passing the hind angles of the prothorax, joints 2-3 short, subequal, together a little longer than the fouth, 4-10 triangular, the fourth about one-third longer than wide, following joints very gradually becoming a little narrower and shorter, the tenth scarcely twice as long as wide, the eleventh about two and one-half times as long as wide. Head and prothorax rather closely pubescent, the former broadly concave, margin of front arcu- ate, not reflexed, closely rather coarsely punctate. Prothorax very little longer than wide, sides nearly parallel, feebly narrowed near the apex, hind angles short, not divergent and not evidently carinate. punctuation rather coarse, deep, and dense throughout ; disk flattened along the median line in front, and evidently impressed posteriorly. Elytra parallel in basal two-thirds, strise rather strongly punctate, intervals nearly flat on the disk, each with a series of fine punctures each side, with more distant ones along the middle. Presternum closely rather coarsely punctate, the flanks easily so ; prosternal sutures single ; metasternum more finely less densely punctate, the ab- domen finely rather sparsely punctured. Basal joint of tarsi subequal to the next two, the third joint with a feeble apical lobe. Length, 10.5 mm. ; width, 3.2 mm. H. C. FALL. 137 Sylvania, California (Ricksecker). This species looks more like an Athous than a Corymbites, and the incipient lobe of the third tarsal joint would bear out the resemblance ; the frontal characters, however, are those of Corymbites, and since the latter genus is already strongly polymorphic, it seems better for the present to include the species here. PLASTOCERUS Lee. Males of this genus are not uncommonly taken in Southern California, either in flight at dusk or by beating or sweeping. So far as I know no female specimens have ever been taken, and their form is purely conjectural, though they might rea- sonably be expected to resemble those of the allied genera Aplastics and Euthysanius. The placing of P. {rater Lee, as the female of Schaumii by Dr. Horn is an error for which there seems little excuse. LeConte expressly states that his unique type of f rater is a male, which declaration is easily verifiable, the genitalia being plainly visible. Frater is at once separable from our other Plastoceri by the rela- tively short, almost non-ciliate antennal rami, these being about half as long as the width of the front, while in all others the rami are very nearly equal in length to the frontal width. With frater removed there remains in my collection a very perplexing array of specimens, in which several species seem indicated, but in which, after the separation of one well characterized form, I am unable to draw further lines of distinction with any exactness. The form and punc- tuation of the prothorax varies so much individually as to be of no use in separation of species, and many other differ- ences which are obvious when two individuals are compared become evanescent or even reversed when more specimens are examined. For the present, therefore, it is best to con- sider all these varieties as forms of Schaumii. The typical Schaumii comes from San Diego in the immediate vicinity of the coast. It is dark piceous brown in color, the eyes relatively small and less prominent than in other forms, their width as seen from the front less than one-fourth the frontal width ; the elytra about three times as long as wide. TRANS. AM. ENT. SOC.XXXVI. (18) JUNE, 1910. 138 AMERICAN COLEOPTERA. The most notable variations from the typical form occur in color, which is often paler, the larger eyes and the shorter elytra, which may be more narrowed apically. The follow- ing is a very distinct species. P. megalops n. sp. Reddish-brown, form strongly elongate, elytra nearly parallel, about three and one-fourth times as long as wide ; pubescence very short ; eyes very large and prominent, their width, viewed from the front, fully two-fifths the interocular width. Length, 12-13 mm. ; width, 2.8-3 mm. Pomona, California. The above characteristics are sufficient and perfectly dis- tinctive. The prothorax varies as usual in form, the sides either straight or more or less dilated at middle ; the punc- tuation variable but never very coarse or dense. The hind angles are always strongly divergent. Numerous specimens have been taken in years past, and have been sent to correspondents as Schaumii. I have never seen it from any other locality, and suspect it to be very local or restricted in distribution. BUPRESTID^. POLYCESTA Sol. P. obtusa Lee. The type has a dense brush of yellowish hair on the first ventral segment, indicating that it is really atigulosa and not velasco as recorded in synonymy. The first ventral segment is scarcely or but slightly swollen and is as densely punctate as the other segments. AGRILUS Steph. A. knausii Schf. Typical specimens of this species were sent me by Mr. Knaus several years ago. They were at first thought to be new, but on comparison with the type of obolinus at Cambridge I came to the conclusion that they were not specifically dif- ferent. Since Mr. Schaeffer's description of the species under the above name I have again compared my specimens with the LeConte type, and see no reason to reverse my first deci- sion. The diagnosis of obolinus as given by Horn in his H. C. FALL. 139 Synopsis of the genus is erroneous in several important par- ticulars. He describes the thorax as without strigosity, the hind angles without trace of carina and the elytral apices not serrulate, none of which statements are correct. In these respects knausii is in accord with the type, and the only dif- ferences noted aside from color were the apparently some- what shorter antennas and the slightly better marked carina of the hind angles of the prothorax in the latter. LAMPYRID^E. PLATEROS Bourg. P. roseimargo n. sp. Slender, nearly four times as long as wide, black, sides of prothorax rather widely, apex more narrowly margined with rose red. Antennae (o") feebly serrate, nearly half as long as the body; third joint tri- angular, as wide as long, about three-fifths as long as the fourth and quite as wide ; fourth about twice as long as wide. Prothorax a little more than two-thirds as long as wide, widest at base, sides feebly con- vergent for a short distance from base, then more strongly so, sinuate each side of the rather narrowly rounded apex ; median line not cari- nate in front, channeled behind. Elytra five times as long as the pro- thorax, reticulation rather fine but distinct ; costaaa fine, the alternate ones just visibly more prominent. Length, 6 mm. ; width, 1.6 mm. Santa Rita Mountains, Arizona. One cf, collected by Prof. Snow. P. coccinicollis n. sp. Black, prothorax bright rose scarlet, with or without a small postero- median black spot. Antennae ( 9 ) as long as half the body, third joint triangular, slightly wider than long, nearly or quite equal in width to the fourth joint, the latter oblong, narrowed at base, one- half longer than wide and nearly twice as long as the third ; fifth joint similar to but slightly shorter than the fourth, following joints sub- equal in length to the fifth and gradually narrower. Prothorax seven- tenths as long as wide, sides nearly parallel basally, broadly evenly arcuate around the front, the outline only very slightly more promi- nent at apex ; median line feebly subcarinate in front, impressed poste- riorly ; margins moderately reflexed. Elytra nearly three and one- half times as long as the prothorax, feebly rather indistinctly reticu- late, the costas fine and equal. Length, 7\ mm. ; width, 2\ mm. Described from three female specimens taken at Beulah, New Mexico (type), and Boulder, Colorado. At once separ- able from all our previously described species except the TRANS. AM. ENT. SOC, XXXVI. JUNE, 1910. 140 AMERICAN COLEOPTERA. Lower California Sanguinicollis, by the bright red prothorax. Sanguinicollis is a smaller species (5 mm.), with prothorax more narrowly rounded apically, and with the third antennal joint but little shorter than the fourth ( cf1 ) . MALACHID^. COLLOPS Er. C. crusoe n. sp. Male. Head rufous, a small spot in front of the eye and the under surface blackish ; prothorax rufous, elytra yellow, each with an elon- gate dark blue basal spot and a much larger one occupying the greater portion of the posterior half, the entire limb and suture pale ; antennae rufous ; legs black, front and middle trochanters, the anterior tibiae and all the tarsi rufous, middle tibia? dusky; metasternum and abdomen in great part black, the apical segment of the latter largely pale. Upper surface dull throughout, with very short sparse black erect hairs, and still shorter very inconspicuous pale hairs. Basal joint of antennae sinuate posteriorly, second a little longer than wide, following joints feebly serrate and a little wider than long, the outer ones as long as wide. Head finely closely punctate. Prothorax two-fifths wider than long, sides strongly rounded posteriorly, becoming nearly straight and feebly convergent in front, surface densely but vaguely, rather coarsely, subrugosely punctate. Elytra coarsely, densely punctate, narrow at base, broader behind, wings rudimentary. Female. Differs from the male only in its larger size, unmodified second antennal joint, head black at sides, prothorax more rounded in front, and all the tibiae pale. Length (head deflexed) 3^^ mm. Described from a single pair given me by Mr. V. W. Owen of Los Angeles. They with others were taken on the little Island of San Nicholas off the coast of Southern California. This is a very pretty species with its pale rufous head and prothorax, and bright yellow elytra maculate with deep blue. It is doubtless a truly insular form, and with the exception of cribrostis differs from all our other species in being apter- ous. It agrees with cribrosus, pulchelhis and argutus in the posteriorly sinuate basal joint of the antennae. C. flaviciuctus n. sp. Above clothed rather conspicuously with short recurved and sparser long erect pale hairs. Head pale yellowish testaceous in front, black back of a line joining the middle of the eyes ; prothorax black with very narrow pale side margins ; elytra blue-black, narrowly margined throughout with pale yellow. Antennas pale yellow, the outer angles H. C. FALL. 141 of the intermediate joints slightly infuscate ; second joint a little longer than wide and as long as the next two; following Joints transverse. Head finely alutaceous and sparsely finely punctate. Prothorax mod- erately transverse, sides rather strongly rounded, surface strongly shining, finely sparsely punctate. Elytra subalutaceous, feebly shin- ing, surface a little uneven, somewhat indistinctly finely rather sparsely- punctate. All the trochanters and the posterior legs black, femora and tibias of the front and middle legs rufotestaceous, their tarsi blackish. Body beneath black, the margins of the ventral segment narrowly pale yellow. Length 3.5 mm. San Bernardino Ranch, Douglas, Ariz. — 3750 feet (Snow). A single female specimen. By Horn's table this species would be associated with punctulatus and vittatus. The elytra are less distinctly alu- taceous than in the former, and much more finely sparsely punctate than in the latter ; it differs conspicuously from both in having the erect hairs entirely pale in color. C. georgianus n. sp. Male. Entirely pale rufous except the elytra, which are greenish- black with the side margins and suture, except at apex, narrowly rufous ; apices of antennal joints slightly dusky. Pubescence dual as usual, the short recurved hairs pale, the erect hairs sparse, short, black. Basal joint of antennae very broadly triangular, nearly as wide as long, second joint much wider than long, 3-5 about as long as wide, following joints evidently longer than wide. Head very densely finely punctate and dull. Prothorax moderately transverse, sides nearly straight and very slightly convergent in middle four-fifths, sur- face finely alutaceous and finely moderately closely punctate at middle, more closely and less finely so at sides. Elytra densely punctate and rather dull. Female. Differs only in having the basal joint of the antennae more slender, the second simple, about as long as the first, two-thirds longer than wide; prothorax more rounded at sides. Length 4-4.5 mm. Georgia. A single pair recived years ago as limbellus, which indeed it would be by Horn's table, but the latter has the head and prothorax polished and very sparsely minutely punctate, the elytra less closely punctate and moderately shining, the an- tennae very strongly serrate, the intermediate joints very strongly transverse. TRANS. AM. ENT. SOC, XXXVI. JUNE, 1910. 142 AMERICAN COLEOPTERA. MALACHIUS Fab. 31. uniforniis, new name ; = inomatus Fall. At the time of describing this species I overlooked the fact that the name given was already in use for a Palearctic species ; the above change is therefore proposed. 31. .spiiiipeimis and 31. acutipeimis. In addition to the antennal and elytral sexual characters, the males of these two species agree in possessing two other characters which are nearly peculiar. The inner face of the posterior femora is densely acutely granulose in its lower half for two-thirds its length from the base, and the posterior tibiae are rather conspicuously pilose on the inner side for a short distance at apex, the hairs being quite short however. This latter character is feebly indicated in the males of some other species of the genus. M. spiniptnnis shows a decided tendency toward the formation of local races, specimens from different parts of California differing quite a little in size, color, extent of the thoracic spot and length of the an- tennal pectinations. It is quite possible that we have several closely allied species under this name. The following three species seem surely different from any previously described. 31. contortns n. sp. Rather stout, head, prothorax, under surface and legs bluish-black, the prothorax with a narrow pale margin, which is a little dilated at the posterior angles, and becomes obsolete or very narrow toward the middle of the base and apex ; elytra deep blue, the tip yellow in the female. Pubescence very short, gray, surface lustre dull. Head and prothorax very finely alutaceous and finely punctulate, the latter feebly shining ; elytra scabrous and not distinctly punctate. Male. Antennae moderately serrate, joints 3 and 4 as wide as long, the following joints gradually narrower. Elytra impressed at the sutural angle and produced on a lower plane in a gradually narrowed process pale grayish testaceous in color, the tip sooty and narrowly rounded ; inferior plate broad, bidentate at tip and with an elongate and very irregular process attached at its base close to the sutural margin ; this process and the inferior plate projecting beyond the superior appendix and concolorous with it. Female. Antenna? slightly shorter and distinctly narrower, feebly H. C. FALL. 143 serrate, all the joints longer than wide ; elytral apex rounded, pale reddish yellow. Length 4-5 mm. Bitter Root Mountains, Montana. Three d^s ; four 9 s. In form, size, and sexual characters this species is almost precisely like uniformis {vide supra), the pale thoracic mar- gin and the pale elytral apex of the female are, however, wanting in the latter. M. viridulus n. sp. Slender, slightly wider behind, more obviously so in the female, rather dark metallic green throughout, the elytra more rarely dark blue or blue-green ; epistoma, antennal tubercles and genae pale yel- lowish-white ; pubescence sparse, rather long, grayish. Antenna? (c?) half the length of the body, rather strongly serrate, joints 3-5 about as long as wide, following joints a little longer than wide. Head and prothorax highly polished, very minutely remotely punctate. Pro- thorax a little transverse, sides feebly arcuate and moderately conver- gent in front, broadly rounded behind, without trace of base angles. Elytra moderately shining, surface a little irregular and subscabrous, punctuation somewhat coarse but vague, not very close; apices not at all appendiculate in the male. Length 3-4 mm. Mt. Wilson, Southern California. This species occurs abundantly on the flowers of Ceano- thus on or near the summit of the Sierra Madre Mountains in June. It may be at once distinguished by its rather small size and entirely green color. Of the described species two only — . Elytral striae wide, and rather closely coarsely punctate, inter- vals convex. G1. Basal joint of antennal funicle neither wider nor longer than the second ; scales cinereous and fuscous intermixed ; pro- thorax with wide dorso-lateral fuscous stripes. 8 mm. Cape San Lucas lneaims Horn . TRANS. AM. ENT. SOC, XXXVI. (25) JULY, 1910. 194 AMERICAN COLEOPTERA. G2. Basal joint of antennal funicle much longer and somewhat wider than the second. Hi. Elytral setae longer and more abundant than usual, pale brownish testaceous in color, scales uniformly cinereous throughout. 13-20 mm. Winslow, Arizona. wickliami Sharp. H2. Elytral setae much sparser and shorter, silvery white in color. I'. Prothorax coarsely punctate, widest anteriorly ; scaly vesti- ture mottled, white and dark gray; elytral setae very sparse and excessively minute. 12-15 mm. Western Arizona and Colorado Desert of California argentatlis Lee. I2. Prothorax finely punctate, widest at about the middle ; scaly vestiture whitish, not or scarely mottled ; elytral setae mod- erately numerous. 17-22 mm. Colorado Desert, California. tlesertus Horn. F*. Elytral striae fine, finely punctate, the intervals flat or nearly so. J1. Prothorax very finely punctate, scaly vestiture white, pro- thorax with rather wide dorso-lateral blackish vittae, elytra feebly irrorate with blackish gray ; tibiae denticulate within. 12-18 mm. Death Valley, Southern California. mortivallis n. sp. J2. Prothorax rather coarsely and deeply punctate. Ki. Median sulcus of beak narrow and sharply impressed ; pro- thorax trivittate with dark gray, elytra conspicuously vittate; tibiae finely denticulate. 7^-12| mm. Southern California. gem mill at us Horn. K2. Median sulcus of beak broader and more vague ; neither pro- thorax nor elytra distinctly vittate ; tibiae not appreciably denticulate. Li. Vertex evenly convex, scales whitish to cinereous, marmo- rate with darker gray; size smaller. 7-111 mm. Arizona, California, Nevada varius Lee. L2. Vertex flattened, finely carinate, scales pinkish-cinereous, feebly mottled with gray; size larger. 14 mm. Western border of Colorado Desert, California aridus n. sp. INDEX. New genera and species described in this paper are followed by the name of the author. CICINDELID^E. Cicindela vulgaris viridissima Fall. PAGE ....89 ....89 CARABID^E. Cychrus corvus Fall 89 Calosoma eremicola Fall 91 parvicollis Fall 90 tristoides Fall 92 Dyschirius varidens Fall 93 Bembidium 93 cannula 95 hesperum Fall 94, 95 insequale 94 lacustre 95 litorale 95 lorquini 95 pictum 97 punctostriatum 95 timidum 97 versicolor 97 whitneyi Fall 96 zephyrum Fall 95, 96 HYDROPHILID.E. Creniphilus degener 100 elegans 100 ellipsis Fall 99, 100 lodingi Fall 98, 100 nanus Fall 99 reductus Fall 99, 100 STAPHYLINID^E. Mycetoporus 100 hospitalis Fall 101 myops Fall 102 neotomae Fall 100 Bledius apicalis Fall 112 arizonensis Fall 103 armatus 102 confinis Fall 114 PAGE Bledius consimilis Fall 105 dissimilis Fall 107 episcopalis Fall 104 fratellus Fall 112 gradatus Fall 104 medialis Fall 113 mysticus Fall Ill persimilis Fall 110 piceus Fall 108 regularis Fall 109 specularis Fall 109 tallaci Fall 106 Aploderus mimeticus Fall 115 princeps 115 trinifer Fall 114 Deleaster trimaculatus Fall 115 SCAPHIDIIDvE. Bseocera humeralis Fall 116 Scaphisoma apicale 119 dakotana Fall 116 ornata Fall 117 pusilla 119 semiopaca Fall 117 terminata 118 HISTERIDiE. Hister gagates Fall 121 humilis Fall 120 temporalis Fall 120 NITIDULID^E. Carpophilus 121 dimidiatus 122 floralis 125 floridanus Fall 122 ignobilis Fall 124 longiventris 123 longus Fall 123 nitens Fall 125 rickseckeri Fall 124 196 AMERICAN COLEOPTERA. TROGOSITIBvE. PAGE Pseudalindria Fall 126 fissiceps Fall 127 Nemosoma caviceps Fall 127 Tenebrioides calif ornica 129 debilis Fall 128 occidentalis Fall 128 tenuistriata Fall 128 ELATERIBvE. Limonius vernalis Fall 129 Athous atterimus Fall 130 imitans Fall. 131 ingens Fall 131 Corymbites exclamationis Fall. .135 linearis Fall 132 lutescens Fall 134 macer Fall 133 nigricans Fall 135 polygenus Fall 136 rufipennis Fall 134 Plastocerus 137 megalops Fall 138 BUPRESTID^E. Polycesta obtusa 138 Agrilus knausii 138 LAMPYRID^E. Plateros coccinicollis Fall 139 roseimargo Fall 139 MALACHID.E. Collops crusoe Fall 140 flavicinctus Fall 140 georgianus Fall 141 Malachius acutipennis 142 baked Fall 143 contortus Fall 142 inomatus 142 spinipennis 142 uniformis Fall 142 viridulus Fall 143 MELYRID^E. Dasyrhadus Fall 144 impressicollis Fall 144 longior Fall 145 CHRYSOMELID^E. PAGE Synetocephalus Fall 146 autumnalis Fall 146 Ophraea 147 arizonica Fall 147 Neobrotica pluristicta Fall 148 Luperodes atricornis Fall 149 crassicornis Fall 151 cttrvatus Fall 150 intermixtus Fall . 151 marginalis Fall 149 nigrovirescens Fall 152 Haltica 152 convicta Fall 155 f oliacea 158 litigata Fall 154 ludoviciana Fall 157 nitidiventris Fall 155 ovulata Fall 156 probata Fall 153 punctipennis 158 suspecta Fall 154 testacea Fall 157 Hemiglyptus 158 Crepidodera pallida Fall 158 Systena sexnotata Fall 159 BRUCHID.E. Bruchus 160 aequalis 173 alboscu tellatus 172 ambiguus 163 amicus 169, 174 arizonensis 162 atomus Fall 188 auctus Fall 165, 166 aureolus 173 bisignatus 170, 174 biustulus Fall 171, 178 bivulneratus 165 calvus 173 chinensis 163 chiricahuae Fall 172, 181 collusus/^a// 171, 176 compressicornis 188 H. C. FALL. 197 Bruchus coryphae 164 crenatus 164 cruentatus 165 desertorum 169 discoideus 164 discolor 165 discopterus Fall 165, 167 distinguendus 171, 178 exiguus 184, 185 flavicornis 188 floridae 170, 175 fraterculus 173, 184 fumatus 173, 183 gibbithorax 162 griseolus Fall 170, 175 hibisci 172 impiger 164 inornatus 170 inquisitus Fall 172, 180 julianus 186 leucosomus 164 limbatus 165 lobatus Fall 173, 182 longistilus 171 m acrocerus 188 macrophthalmus 170 mimus 162 mixtus 172 musculus 184, 185 nigrinus 166 obtectus 172 ochraceus 170, 171, 176 ochreolineatus Fall 186 pauperculus 172 pectoralis 170 perforatus 173, 182 perplexus Fall 171, 177 prisorum 161 placidus 184 prosopis 169, 174 prosopoides 169 PAGE Bruchus protractus 169, 173 pruininus 166 pugiunculus Fall 171, 178 pulloides Fall 171, 179 pullus Fall 172, 180 pygidialis 166 quadridentatus 186 quadrimaculatus 163 rufescens 184 rufimanus 161 ruf ovittatus 172 sallaei 169 schrankias 172 seminulum 188 serratif emur 164 simulans 166 sordidus 166 speciosus 170 subaeneus 166 subserripes Fall 173, 183 texanus 162 ulkei 165, 166 unif ormis 169 OTIORHYNCHID^E. Eupagoderes 189, 190 argentatus 194 aridus Fall 192, 194 decipiens 193 desertus 194 dunnianus 193 gemmulatus 194 lucanus 193 marmoratus Fall.... 191, 193 mortivallis Fall 192, 194 nivosus Fall 190, 193 sordidus 193 speciosus 193 varius 194 wickham i 194 Ophryastes 190 TRANS. AM. ENT. SOC, XXXVI. JULY, 1910. CONTENTS. Descriptions of some New or Unfamiliar North Ameri- can Hemiptera. By Edward P. Van Duzee ... 73 Miscellaneous Notes and Descriptions of North Ameri- can Coleoptera. By H. C. Fall 89 &- ^e^rrA — v*~ VOLUME XXXVI, NUMBERS 3 & 4 0 58 TRANSACTIONS OF THE ^^^CEi^ic^^isr ENTOMOLOGICAL SOCIETY ilK^ * *//, onal Mms^ $. PUBLISHED BY THE AMERICAN ENTOMOLOGICAL SOCIETY AT THE ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. SUBSCRIPTION PRICE FOUR DOLLARS PER VOLUiWK. a g/ xv ^ t \ T. D. A. COCKERELL. 199 NEW AND LITTLE-KNOWN BEES. BY T. D. A. COCKERELL. The bees described and recorded in this paper are mostly in the British and Berlin Museums. In the British Museum last year I was allowed to mark among the enormous accu- mulations of unworked material the specimens which I desired to study, and these were later sent to me. In this way I was enabled to examine an unusually interesting series of specimens from different parts of the world. At the same time I obtained the loan of the splendid Turner collection of Australian bees, also in the British Museum, and so am able to make considerable additions to the known Australian fauna. I am greatly indebted to Mr. Geoffrey Meade-Waldo and Mr. Rowland E. Turner for their assistance and co-opera- tion in all these matters. In the descriptions of venation the following abbreviations are used : s. m. = submarginal cell ; r. n. = recurrent ner- vure ; t. c. = transverso-cubital nervure ; b. n. = basal ner- vure ; t. m. = transverso-medial nervure. Paracolletes vigllans (Smith). A specimen labelled " Nov. Holl. occ. Pr." (Berlin Mu- seum, 2555) was found to exactly agree with Smith's ac- count of Leioproctus vigilans, and also with my notes made from Smith's type, but apparently to differ in having a large bidentate process on the postscutellum. I asked Mr. R. E. Turner to look at Smith's material in the British Museum, and having done so, he reports the presence of the post- scutellar process just as in the Berlin Museum example. It is strange that it was overlooked both by Smith and myself. Paracolletes tlentiger sp. nov. 9 . Length about 12 mm., rather slender, superficially looking just like Andrenamimetica Ckll. Deep purplish-blue, strongly punctured, the pubescence black and white ; hair of head mostly white, but black on vertex, upper part of front, clypeus except lower corners, and scape ; mandibles with an inner tooth ; clypeus mostly greenish, with dense TRANS. AM. ENT. SOC, XXXVI. (*25) AUGUST, 1910. 200 HYMENOPTERA. very large punctures, and an imperfect smooth median band ; sides of front dull and rugose ; face on each side of clypeus covered with ap- pressed white hair ; flagellum obscurely brownish ; fourth and fifth antennal joints very short, broader than long ; mesothorax and scu- tellum densely punctured ; postscutellum with a stout median spine or tooth, which emits a few long curled black hairs ; pleura with large irregularly placed punctures ; area of metathorax triangular, dullish, its upper part transversely striate ; hair of thorax mostly white, black on scutellum and disc of mesothorax, also black just beneath wings ; tubercles densely fringed with white hair, making them appear as white spots ; tegulse shining piceous ; wings dusky, especially dark in upper part of marginal cell and on apical margin ; b. n. meeting t. m. , the latter oblique; first s. m. very long; second small, receiving first r. n. at its basal corner; second r. n. received about beginning of last third of third s. m. ; legs reddish-black, obscurely submetallic, the hind ones distinctly metallic, their hair white, that on the inner side of hind basitarsus fuscous ; abdomen with a fine sculpture, running into delicate transverse striae, which have a wavy appearance ; seg- ments covered with a very fine white tomentum, shining in favorable lights ; apex with black hair ; venter with white hair ; fifth ventral seg- ment green. By the armed postscutellum this is allied to P. vigilans, but it differs in color, venation, sculpture and the character of the postscutellar process. Hab. — Australia; " Nov. Holl. occ. Pr." (Berlin Museum, 1952). Collected by Preiss. Paracolletes plumosns (Smith). Victoria (C. F., Turner collection). On the right side the first r. n. enters middle of second s. m., but on the left it enters at the end of the first third. This variation increases the probability that P. plumosellus Ckll. is the male of plu- mosns, but nevertheless I believe it is distinct, as I have before me another male which must surely be veritable plnmosus. This insect is like plumosellus, but larger (expanse 18^ mm.), with the head and thorax a yellower green (essenti- ally as in plnmosus), the vertex and much of scutellum and hind part of mesothorax with dark fuscous hair, the anterior tibiae bright red in front, and the other tibiae and tarsi partly red. The tongue is colletiform. This male plumosus is from Melbourne, Victoria (Rolle; Berlin Mu- seum). T. D. A. COCKERELL. 201 Paracolletes bicolor (Smith), var. a. A male from W. Australia {Dr. J. Burton C I el and ; British Museum) is referred here as a variety, although the legs are not at all red, except slightly at apex of hind tibiae, and on anterior tibia in front. The vertex and mesothorax also are strongly green. This agrees in size with plumosellus, but is easily separated by the abundant black hair on vertex, scu- tellum and hind part of mesothorax. The abdomen is nar- rower and duller than in p/umosits, and dark purplish. The flagellum is quite strongly crenulate beneath. The three species, plumosus , plumoselhis and bicolor, are closely related, but evidently distinct. Paracolletes flavomaeulatns Ckll. This species was described from a male. A female from the Turner collection comes from Cairns, Queensland, " Kur., 9. 02." It is slightly over 10 mm. long, and agrees with the male except for the usual sexual differences. It agrees with Smith's description of P. cristatus, except that the hair of the face is reddish-black, not griseous, the wings are uni- formily dilute fuscous, and the large scopa of the hind tibiae is entirely dark fuscous. The hind spur of hind tibia has five long sharp teeth. Tongue colletiform as usual. It is probable that this will prove to be a subspecies or variety of P. cristahis. These bees curiously resemble the black species of Pro- sopis with yellow scutellum and postscutellum common in Australia. The yellow dorsal patch in the Prosopis is tegu- mentary, in the Paracolletes due to hair, but the superficial effect is the same. To my astonishment I find also an Halictus with the same coloration (the patch due to hair), so similar to Paracolletes flavomaculatus that I had no doubt of its being a close relative until I came to examine it in detail. Halictus paraeolletiims sp. nov. 9. Length about 8 mm., black, the scutellum, postscutellum and tubercles covered with felt-like ochreous hair. This looks exactly like a small edition of P. flavomaculatus, but differs as follows : eyes more converging below ; clypeus with sparser, much weaker punctures ; TRANS. AM. ENT. SOC, XXXVI. (26) AUGUST, 1910. 202 HYMENOPTERA. front very minutely rugosopunctate (with distinct strong punctures on a shining ground in flavomaculatus) ; flagellum ferruginous beneath at base ; hair of front and vertex pale yellowish ; mesothorax dullish, finely punctured all over, very densely at sides ; mesopleura dull and densely rugosopunctate (shining, with sparse strong punctures va. flavo- maculatus); area of metathorax with fine longitudinal rugae ; lower section of basal nervure very strongly arched ; first r. n. meeting second t. c. ; hind tibiae with a moderate, largely pale scopa (nothing like the broad strongly plumose scopa of flavomaculatus) ; abdomen less shining, minutely punctured all over. Known from other Australian Halictihy the thoracic patch, the dusky wings, and the black abdomen without hair-bands or spots. The hind spur is finely serrate or denticulate, with numerous little teeth. The posterior truncation of meta- thorax is well defined, its lateral margins sharp. Hab. — Mackay, Queensland, March, 1900 {Turner 461). Three females. Paracolletes fimbriatmus sp. nov. Only one male and one female, differing somewhat as already noted, but which I nevertheless consider as identical. The female has a little the appearance of a small orthogonia, but the male does not recall that species in the least. The antenna in the male is only slightly serrate and fasciculate. The tarsal joints in both sexes are rather conspicuously brown banded. JOHN B. SMITH. 255 Euxoa flutea n. sp. Ground color dull fusco-luteous. Collar with a diffuse whitish shade below a distinct black median transverse line; tip whitish. Disc gray, patagia with an obscure sub-margin. Primaries with all the macula- tion black, broken, incomplete. Costal area whitish to the t. p. line. Basal line marked only by a break in the black longitudinal mark that extends from base to t. a. line below the median vein. T. a. line single, marked by a black spot in cell, a distinct lunule in sub-median interspace, and an obscure lunule below vein 1. T. p. line single, a very little outcurved over cell, rigidly oblique below to the inner mar- gin, consisting of a series of interspaceal blotches which are fairly well defined outwardly, but are inwardly diffuse. S. t. line defined by a few white scales, preceded by a series of black sagittate spots of almost equal size, and arranged in a rigidly oblique series. A lunulate black terminal line, followed by a yellow line at base of fringes. Claviform concolorous, outlined in black, extending half way or more across the median space, a pale streak extending outwardly beyond it through the t. p. line. Orbicular oblique, oval or somewhat elongate, touch- ing the pale costal area, but hardly opening into it ; distinctly black ringed, with a narrow white inside edging, centre concolorous. Reni- form varying from crescent-shaped to oblong, upright, black ringed with a white inner edging, centre a little paler than ground. Median vein white ; veins 3, 4, 6 and 7 rayed, but not prominently so. Sec- ondaries uniformly smoky, yellowish, with white fringes. Beneath smoky, costal region paler and powdery. Expands, 1.20 inches = 30 mm. Hab. — California, Sierra Nevada. Two females in good condition. One of them has no defi- nite locality, the other is No. 9926 of the Henry Edwards collection, and belongs to the American Museum of Natural History. The species is undoubtedly mixed in collections with others of the 4-dentata series. In fact, I have seen examples labelled 4-dentata and oblongistigma. It differs from both by the blotch median lines, and by the remarkably even series of sagittate interspaceal marks that precede and define the s. t. line. In addition, the wings seem unusually short and nar- row, in proportion to the very long abdomen, which exceeds the anal angle of secondaries by fully one-third its length. Euxoa rabiata n. sp. Ground color deep smoky brown, over dull, dark luteous ; more or less powdered with whitish. Head concolorous. Collar with a black TRANS. AM. ENT. SOC, XXXVI. NOVEMBER, 1910. 256 AMERICAN LEPIDOPTERA. line across middle, and that may or may not have some whitish mar- gining scales above or below. Patagia somewhat powdered ; a white line across base just behind collar. Disc of thorax somewhat white powdered. Primaries with the usual 4-dentata maculation fairly well defined. The costa is concolorous ; but the costal, sub-costal and median veins are white, and the inception of the median lines is marked by white dots on costa. Cell a little darker around the ordinary spots. Basal line geminate, black, included space yellowish, inwardly oblique below median vien. T. a. line geminate, black, included space lute- ous, with a small outward angulation in the sub-median interspace and a long outward bend below vein 1. T. p. line geminate, black- ish, included space yellowish, slightly lunulate, as a whole almost strictly parallel with outer margin. S. t. line yellowish or whitish, broken, very even in course, indented on veins 3, 4, 6 and 7, which are rayed ; the indentation on vein 6 being a little shorter than the rest. Terminal space uniformly dark except at apex. S. t. space a little paler beyond the t. p. line, darkened outwardly ; a series of black, sagittate spots before the s. t. line. A series of small black terminal lunules and a yellowish line at the base of the broad fringes. Claviform narrow, extending half-way across the median space, black lined, concolorous, followed by a yellowish streak to the t. p. line. Orbicular round or nearly so, black ringed outside of a white annulus, centre yellowish. Reniform kidney-shaped, not sharply outlined, edged with black scales, with a whitish inward margin, centre yellow- ish with darker markings. Secondaries white, veins more or less dusky, a vague discal lunule and a narrow smoky outer border. Beneath ; primaries smoky, powdery, with a darker extra-median line ; secondaries white, powdery along costa, with a small black discal dot and a very narrow, incomplete, dusky outer line. Expands, 1.12-1.25 inches = 28-31 mm. Hab. — Volga, South Dakota ; Colorado ; Calgary, Canada, VIII, 29. Six males and two females in fair condition. One male is out of the Hulst collection from Colorado, one female from Calgary is from Mr, Dod, the others are out of Judge Tru- man's material. The specimens are all very much alike, and differ chiefly according to their age and state of preser- vation. The resemblance is to rumatana, also from South Dakota, from which it differs by the absence of fuscous and luteous shadings and the white secondaries, and to niveilinea, which is a larger, brighter colored species, and has the white line on patagia better defined, oblique, and not so near the collar. JOHN B. SMITH. 257 The antennae of male have the sides of the joints slightly drawn out, and the bristle-tufting well marked. Euxoa brevistriga n. sp. Ashen gray with a tendency to reddish, more or less powdery. Head black and white mottled, without distinct markings. Collar with a series of alternate blackish and paler lines, the dark lines broad- ening upward, the collar white tipped. Patagia dusky, with a darker sub-marginal shade and paler edge. Disc mottled gray and whitish. Primaries with a dusky shading over costal region, terminal area all smoky brown. Median lines barely marked on costal region only, else obsolete. Basal line traceable, geminate. S. t. line marked by the sharp inner edge of the dusky terminal space ; decidedly toothed on veins 3 and 4, and a little indenced on veins 6 and 7. A series of black terminal lunules, followed by a pale yellowish line at base of fringes. On the sub-costal vein at base there is a short blackish streak which is edged by whitish. The veins are marked by blackish scales, and on veins 3 and 4 there are also pale shades giving a rayed appearance, characteristic of the 4-dentata series. Claviform faintly and incom- pletely outlined by darker brown scales. Orbicular oval, oblique, moderate in size, of the pale ground, narrowly dark edged. Reniform narrow, almost crescent-shaped, of the pale ground color, outwardly with a reddish shading. Secondaries white, veins a little yellowish, a narrow terminal line smoky. Beneath white, blackish powdered along the costal margin and at apical third of primaries, and along costal margin only of secondaries ; all wings with a small blackish discal lunule and a lunulate terminal line. Expanse, 1.35-1.50 inches = 34-37 mm. Hab. — Colorado, probably near Denver. I have two males, in good condition, collected years ago by Mr. David Bruce. The specimens have been tentatively associated with brevipennis, and agree with that species in the robust thorax and comparatively short abdomen. They differ in the almost complete obsolescence of the median lines and the uniformly sharply defined dusky terminal space. The antennae have the joints laterally produced or very shortly pectinated, each process with a short stout bristle which is set with shorter hair, A characteristic feature is the short dark dash at base of subcostal, set in a pale shading. Euxoa angulireiia n. sp. Ground color dull smoky fuscous. Head with a narrow paler line, below antennae, Collar with a distinct black median line and a white tip. Patagia darker, tending to blackish, edged with gray. Disc of TRANS. AM. ENT. SOC..XXXVI. (33) NOVEMBER, 1910. 258 AMERICAN LEPIDOPTERA. thorax grayish. Primaries with ornamentation well defined. Costal area paler to the reniform ; sub-costal whitish to the orbicular. Basal line marked by geminate blackish marks on costa and in the sub- median interspace ; a narrow blackish iine connecting the lower spots with the t. a. line. T. a. line geminate, blackish, defined only in the sub- median interspace. T. p. line marked by geminate spots on costa above reniform, outcurved closely over this spot, then rather evenly oblique, single, broken, to the inner margin. S. t. line pale, powdery, irregular, broken, emphasized by the series of preceding black spots, some of which are sagittate ; outwardly a little indented on veins 3 and 4, and a little less on veins 6 and 7. A narrow, black, slightly lunate terminal line, followed by a yellow line at base of fringes. Claviform a little darker than ground, black edged, extending across the median space and touching the t. p. line. Cell around and between the ordi- nary spots a little darker. Orbicular oblong, open to the costa, drawn to an angle posteriorly, paler than ground, a whitish line within the black defining edge. Reniform narrow, kidney-shaped, the inner edge drawn out into a little tooth or angle toward the outward angle of orbicular, narrowly black-ringed, within this a somewhat diffuse whitish shade ; centre a little paler than ground, with a rusty yellowish outer line. Veins 3, 4, 6 and 7 are dark marked and a little rayed in appearance. Secondaries smoky, veins a little darker, fringes white. Beneath white ; primaries smoky on disk, else coarsely powdered with blackish ; veins dusky and a dusky discal lunule ; secondaries pow- dery along costa, with an extra-median powdery line and a small discal spot. Expands, 1.50 inches = 37 mm. Hab. — Colorado (Bruce). A single good female specimen from the Bruce collection. It is another one of those forms easily confused with brevi- pemiis, but not so robust, and with proportionately smaller body and more ample wings. The form of the ordinary spots is characteristic and unlike that of any other species known to me. Euxoa ponclia n. sp. Ground color a very pale whitish }'ellow, tending to creamy. Head with a blackish transverse line inferiorly, palpi dusky at sides. Head and thorax otherwise without maculation. Primaries with all the maculation broken and marked by dusky powderings, more complete in the female than in the male. Basal line geminate, marked on costa and below median vein only. T. a. line geminate, the parts about equally developed, upright as a whole, slightly outcurved in the inter- spaces. T. p. line geminate, parallel with outer margin, almost rigid; JOHN B. SMITH. 259 inner line a little denticulate on the veins, outer vague and diffuse, even. S. t. line concolorous, a little irregular, marked by a narrow blackish preceding shade which tends to become broken and is only a little better marked on costa. A series of small black terminal lunules. Median line fairly obvious, narrow, extending from costa obliquely through the lower half of reniform so as to darken the outer border and lower part of spot, thence close to and parallel with t. p. line to the inner margin. Orbicular concolorous, vaguely defined by a slightly paler ring. Reniform kidney-shaped moderate in size, vaguely defined by a somewhat paler ring, except where the median shade darkens and emphasizes it. Secondaries snow-white in both sexes ; in the male with a narrow smoky terminal line, in the female with a vague, dif- fuse, narrow sub-marginal band. Beneath white, almost immaculate, a little dusky powdering along costa of secondaries, a tendency to a discal spot and an extra-median line in primaries. Expands, 1.60-1.65 inches = 40-41 mm. Hab. — Denver, Ft. Collins, Poncha Springs, Colorado, in July. Two males and one female in good condition and very much alike. These also are old specimens, received from Mr. David Bruce and Prof, C. P. Gillette many years ago, and they have, until recently, been associated with E. medialis in my collection. That species, however, has the antennae of the male very slightly serrate and fasciculate, while in poncha the lateral processes are long and in the nature of short branches or pectinations. In general the maculation is very like that of truva ; but the ground lacks all trace of reddish or carneous gray and, in the female, the secondaries are white, as are those of the male. There are other differ- ences in the course of the lines, and especially the median shade that may be noted by comparing the descriptions ; but the ground color and sexual differences will serve most readily for that purpose. Euxoa truva n. sp. Ground color reddish-gray, with more or less black powdering. Front with a narrow black transverse line below the middle, sides of palpi dusky. Collar with a reddish line below the tip and a single line near the margin of patagia. Primaries with all the lines present, but much relieved and more or less fragmentary. Basal line geminate, blackish, broken, outwardly bent on the median vein. T. a. line geminate, the component parts about equally developed, tending to TRANS. AM. ENT. SOC.XXXVI. (33*) NOVEMBER, 1910. 260 AMERICAN LEPIDOPTERA. obsolescence, a little outcurved as a whole and outcurved between the veins. T. p. line geminate, rather abruptly bent outward below costa and then very evenly oblique to the inner margin. The inner line tends to be crenulated, only a little darker than ground, the outer tends to become broader, even, and almost like a band with rather diffuse edges. S. t. line concolorous, a little irregular, marked by the blackish powdering in the terminal space, and a variably obvious pre- ceding shade which forms a more definite mark on the costa. Median shade forms the most obvious feature of the wing ; it is rather narrow, well defined, but without sharp edges, crosses outwardly from costa between ordinary spots to the lower edge of the reniform, and then bends inwardly, parallel with and rather close to the t. p. line to the inner margin. Claviform not traceable. Orbicular round or nearly so, moderate in size, feebly defined by a slightly paler annulus, cen- trally with dark powderings. Reniform kidney-shaped, of good size, defined by a slightly paler ring, interiorly dusky. There is a series of very small black terminal lunules. Secondaries pure white in the male, uniformly smoky, with white fringes in the female. Beneath white in the male, with a dusky lunule on primaries ; iridescent smoky, without marks in the female. Expands, 1.30-1.60 inches = 33-40 mm. Hab. — Denver and Poncha Springs, Colorado ; July and September. Two males and one female in good condition. Specimens received from Mr. Bruce many years ago and placed with caenis Grt., which the species in a general way resembles. It is more powdery than that species however, and the course of the lines is different ; its resemblance is really more nearly to )nedialis, and I have no doubt that specimens of this form are in collection as caenis and as medialis. It does not seem to be common, judging by the small number that I have had. Euxoa lenola, n. sp. Ground color a rather dull leather brown, more or less clouded with smoky. Palpi chocolate brown at sides. Collar dusky at extreme base and, in well preserved specimens, a narrow gray line at tip. Thoracic vestiture with tuftings gray tipped ; else concolorous. Pri- maries at first blush seem uniformly dull brown, but on careful exam- ination all the normal maculation can be traced. The lines are not at all relieved, however, and scarcely darker than ground. The t. a. is upright or nearly so, with slight outcurve in the interspaces. T. p. nearly parallel with outer margin, slightly crenulate. S. t. a little irregular. Claviform not traceable in any specimen. Orbicular round, moderate in size, with a faintly paler annulus ; centre a trifle darker. Reniform kidney-shaped, a little darker, more or less defined by yel- JOHN B. SMITH. 261 lowish scales. Secondaries white with a slight yellowish tinge in the male, pale yellowish smoky in the female. Beneath whitish, with a rather uniform sparse dark powdering. Expand, 1.52-1.72 inches = 38-43 mm. Hab. — Glenwood Springs, Colorado, in August (Barnes); Ft. Collins, Colorado (Gillette); Hot Springs, New Mexico, 7000 feet (Hulst). Two males and three females in good condition and all very much alike except in size. The species has been con- fused with caenis and gagafes, but more generally with the former. It is duller and more powdery than either, the macu- lation is barely traceable, there is hardly a trace of carneous gray, and the primaries are a little more pointed. The joints of the male antennae are laterally produced into very short branches, at the tip of which is a bristly process set with finer, stiff hair. Euxoa biformata n. sp. Ground color rusty red-brown with a more or less marked smoky suffusion. Head and thorax concolorous, palpi chocolate brown at the sides. Primaries in the male with all the transverse maculation practically lost in the smoky suffusion except for darker costal marks. In the female all the maculation is distinctly traceable though not well marked. Basal line marked by geminate spots on costa, else obsolete. T. a. line geminate on costa, thence only the outer part traceable ; nearly upright to internal vein, below which it makes a long outcurve to margin. T. p. line geminate, very even, almost rigidly parallel with outer margin ; inner portion very narrow, smoky, con- tinuous ; outer a series of short blackish venular marks. A vague, smoky, diffuse, irregular median shade through the outer portion of median space. S. t. line irregular, marked only by the slightly darker terminal space. In both sexes there is a series of very small dusky terminal dots. In both sexes the claviform is wanting, and the ordi- nary spots are obscure, barely traced out by a scant powdering of yellow scales. Orbicular moderate in size, round. Reniform large, kidney-shaped. Secondaries. smoky in both sexes, a little darker in the female, veins smoky throughout. Beneath white, powdery along costal region and toward apex. Legs dusky, tibiae rather conspicu- ously pale-marked at tip. Expends, 1.55-1.80 inches = 39-45 mm. Hab. — Sierra Nevada, California. One male, the smaller, and one female, both in excellent condition. The specimens contain no data as to their point TRANS. AM. ENT. SOC, XXXVI. NOVEMBER, 1910. 262 AMERICAN LEPIDOPTERA. of origin or date ; but the labels are identical, and despite the difference in appearance obviously belong together. The resemblance is to mimalonis, but the species is much more robust and the vestiture is much denser and heavier. The male antennae have small, lateral, conical processes with tufts of short bristly hair at tip. Euxoa cervinea n. sp. Ground color pale ashen-gray with a vinous red tinge, more or less powdery. Head and thorax concolorous ; collar with a vague carneous median line, else no maculation. Primaries with the normal macula- tion well defined though never conspicuous, traceable in most in- stances and almost completely obsolete in occasional specimens. Basal line geminate, powdery, blackish, rarely present. T. a. line geminate, inner element rarely present, so that usually it appears simple; out- wardly oblique, a little outcurved in the interspaces to vein 1, and below that with a long outcurve. T. p. line single, crenulate, evenly outcurved over cell, a very little incurved below, forming the most per- sistent feature of the transverse maculation. S. t. line concolorous, almost evenly parallel with outer margin, defined only by differences in shading between terminal and s. t. spaces, and these shadings are not alike in any two examples, the line varies equally in distinctness of definition. A narrow, broken blackish terminal line. Claviform small, concolorous, very incompletely defined by dusky scales. Orbicular concolorous, round or oval, varying in size, incompletely defined, the cell between it and reniform usually darker, reddish or smoky. Reni- form large, extending well below median vein, interiorly dusky, a little constricted, incompletely defined. A dusky median shade line extends obliquely from costa between the ordinary spots ; invades the lower part of reniform and then runs parallel with and rather close to t. p. line to the inner margin. Secondaries dull smoky gray in both sexes, with a more or less obvious discal lunule and a dusky sub- marginal line. Beneath grayish-white, powdery, with a well-marked extra-median line and discal spot on all wings. Expands, 1.25-1.35 inches = 31-34 mm. Hab. — Bozeman, Montana, Aug. 7-31; Vancouver, B. C, July 16; Banff, B. C, Aug. 10; Calgary, Alta., Aug. 30. Five males, one female, in good to fair condition. This is a species which I had confused with the Californian ?rna, and which is probably the species referred to under that name in Mr. Dod's Calgary list. In specimens with the transverse maculation lost and the space between the ordi- nary spots reddish, the resemblance to rcna is striking ; but with a better series at hand the resemblance tends to dissona JOHN B. SMITH. 263 in specimens with single median lines and reddish shadings. Finally, with fully marked individuals without much reddish, a resemblance to //nan's becomes obvious, and that is the real relationship of the species. Rena is really not a near ally at all, and is rather of the tessellata series. Dissona, cervinea and munis are allies, and will require further study from larger material to bring out fully the differences be- tween them. Mr. Dod was good enough to call my attention to the fact that the Calgary species was not identical with the Califor- nian. I have only one Calgary example before me, and that looks as though there might be yet another species involved. Euxoa indensa n. sp. Ground color a bright mouse-gray, more or less tinged with reddish or smoky. Head and thorax without definite maculation ; head usually gray powdered ; thorax reddish or brown tinged, as dark or darker than any other shade on the insect, the scales slightly gray-tipped. Primaries with all the normal maculation distinctly and even brilliantly defined. The ground color is a clean gray, the cell intensely black before and between the ordinary spots and the outer third of median space is reddish, rusty or smoky. Basal line geminate, black, cleanly defined. T. a. line geminate, black from costa to median vein, black- ish or brown below that ; outwardly oblique and a little outcurved between veins. T. p. line geminate, black on costa, abruptly bent over cell, then even, parallel with outer margin; inner part lunulate, well marked, outer portion even, powdery, tending to become lost. S. t. line of the ground color, only a little irregular, more or less defined by the darker terminal space and by a variably developed pre- ceding dusky shade. A very narrow, lunate, black terminal line. Fringes carneous, long and dense. Claviform small, barely indicated. Orbicular large, gray, not closed above or below, clearly defined by the black filling of median space. Reniform large, broad, kidney- shaped, with a dark central crescent and a more or less obvious carne- ous shading. Secondaries soiled yellowish white, with a smoky outer border and veins in the male ; smoky, with whitish fringes in the female. Beneath whitish, powdery, both wings with more or less complete extra-median line and a dark discal lunule ; primaries more or less dusky on disc. Expands, 1.25-1.35 inches = 31-34 mm. Hab. — Volga, South Dakota (Truman); Cartwright, Mani- toba, VIII, 19 (Heath); Brandon, Manitoba, VII, 14 (Han- ham). One male and three females, all in good condition. The TRANS. AM. ENT. SOC, XXXVI. NOVEMBER, 1910. 264 AMERICAN LEPIDOPTERA. species resembles verticalis Grt., in general appearance and type of maculation ; but is narrower winged, the primaries more obtuse and the maculation more complete and clearly defined. A somewhat characteristic feature is the darkened outer portion of the median space, which in verticalis is con- colorous. In the specimens before me the single male has more red than any female, while the females differ in the amount of shading in the s. t. and terminal spaces and the amount of contrast between the lines and shades ; but always the specimens are very neatly and cleanly marked. The male antennae are serrate and fasciculate, the lateral processes being well marked and conical, but not forming true branches. Fishia instruta n. sp. Pale ashen-gray, with a bluish tint, very even ; markings narrowly and rather well defined, but not contrasting. Collar with a narrow, clear-cut median black line. Patagia with an indicated sub-marginal line. Primaries with a narrow black basal streak which does not reach the t. a. line. T. a. line single, narrow, black, preceded by white scales, strongly dentate in the interspaces, the largest tooth in the sub- median interspace, and to it is attached the concolorous, black-edged claviform, which extends across the median space and reaches the in- curve of the t. p. line. T. p. line black or blackish, less defined and more diffuse toward costa, outwardly dentate on the veins, incurved in the sub-median interspace, where it is most distinct and preceded by white scales. S. t. line marked by a series of three to five irregu- larly placed short, black, interspaceal dashes, some before and some beyond a series of obscure, whitish dots. No terminal line. Fringes concolorous, cut with yellowish at the ends of the veins, Orbicular large, oblique, oval, narrowly black ringed, concolorous or very slightly paler. Reniform large, kidney-shaped, inwardly black-edged, with white or whitish scales forming an inner, more or less defined ring; it may be concolorous or a little paler. Secondaries white, powdery, with a broken punctiform dusky extra-median line, a vague discal spot and a well-marked blackish, lunulate terminal line. Be- neath whitish, rather evenly powdery, with a well-marked small discal spot on all wings and a vaguely marked extra-median line. Expands, 1.50-1.58 inches = 27-29 mm. Hab. — De Clair, Manitoba, Sept. 3-15. Four males, in good condition, collector unknown. The species resembles yosemite Grt., in the uniform coloration of primaries ; but these are gray, without trace of brown, and the secondaries are white, without trace of fuscous. Yose- JOHN B. SMITH. 265 mite male and female were represented in the same collec- tion, and were easily separated out. Maculation almost exactly like yosemite, but not so well marked. The possi- bility of a well marked variety is not excluded. Mamestra chunka n. sp. Body and primaries smoky fuscous. Head with obscure, dark, frontal lines. Collar with two narrow blackish transverse lines, one above middle and one just below tip. Patagia with black sub-margin. Primaries with all the maculation well defined but not contrasting. Basal line broken, black, geminate, outer portion obscure, included space concolorous. T. a. line geminate, inner portion brown, rather even, outer black, a little outcurved in the interspaces, tending to become broken on the veins. Resting on the inner margin, and against the lower portion of the t. a. line there is a dark smoky blotch in the basal space that is inferiorly marked by a short black streak. T. p. line rather abruptly bent over cell, almost evenly oblique below this, geminate, inner line black, slender, a little lunulate, outer line brown, slender, even, very close to inner so as to leave a very narrow included space. S. t. line pale, yellowish, outwardly dentate to the margins on veins 3 and 4, obscured toward apex by the pale apical shade. A series of black terminal lunules. Fringes cut with yellowish opposite veins. The s. t. space is variably shaded with gray, and gets a some- what strigate appearance from the darker veins, emphasized by the long outward dents of the s. t. line and by a series of two large and several small black sagittate preceding spots. Claviform rather large, pointed, extending nearly across the median space, often dark filled. Orbicular narrowly elongate, small, with a pale outline. Reniforn large, kidney-shaped, with the lower lobe extending outwardly, more or less distinctly black margined, and usually dusky filled at least in- feriorly. Secondaries pale at base, darkening to a broad dark outer margin ; the veins smoky, and a dark discallunule obvious. Beneath, all wings with a blackish extra-median line and discal lunules. Expands, 1.35-1.32 inches = 31-32 mm. ^^.-Aweme, Manitoba, V, 13, 22 ; V, 20, Mr. Criddle. Three good males, one of them belonging to Mr. Dod. The antennae have the joints distinctly marked, with tufts of short soft ciliations laterally. The general habitus is like crotchii, but it is even more robust, shorter winged and heavier bodied, with a clean-cut maculation. There is, in- deed, a tendency toward farnhami, and it is not improb- able that some of the better marked forms have been placed under that name. TRANS. AM. ENT. SOC, XXXVI. (34) NOVEMBER, 1910. 266 AMERICAN LEPIDOPTERA. Mamestra ortruda n. sp. Ground color a rather even pinkish luteous, on which the macula- tion of primaries is prominently and contrastingly written. Front pro- tuberent, convex, concolorous. Collar with an obscure dark transverse line above the middle. Disc of thorax with rather well defined ante- rior and posterior tufts ; patagia a little powdered, sometimes with an obscure, dusky sub-margin. Abdomen rusty yellowish. Primaries with all the markings well-written, essentially like those of albifusa. Basal line geminate, black, interrupted on median vein. T. a. line geminate, black, outer portion best marked and defined, inner portion preceded by a diffuse blackish shade varying in extent in the speci- mens ; in course rather evenly and not greatly outcurved. T. p. line geminate, rather obscure, inner portion lunuate, smoky, outer portion more even and less obvious — tending, indeed, to become lost ; in course abruptly bent over cell and then very even and almost direct to inner margin. S. t. line paler than ground color, irregular, forming out- ward dents that reach the outer margin on veins 3 and 4, preceded by conspicuous black sagittate marks in the middle of its course. Termi- nal space a little darker than the ground. A series of black terminal lunules. A slender yellow line at base of the dusky fringes which are cut with yellow opposite the veins. Claviform short, broad, blackish- filled, conspicuous. Orbicular rather small, a little ovate, oblique, pale-ringed, concolorous. Reniform very large, kidney-shaped, or a little constricted, narrowly outlined in black, with an incomplete inner pale ring, smoky filled, with or without a pale lunule. Secondaries yellowish, veins blackish, a broad blackish outer border which is in- wardly diffuse ; a smoky discal lunule ; a dusky more or less obvious lunate terminal line. Beneath yellowish, powdery, with a broad blackish subterminal band which is sharply limited outward by the paler terminal area ; primaries with a large dark discal lunule, second- aries with a small dark discal spot. Expands, 1.32-1.48 inches = 33-37 mm. Hab. — Denver and Glenwood Springs, Colorado, April, June, July and August. Five males and three females in fair to good condition, and all very much alike in general appearance. This species was first received by me many years ago from Mr. David Bruce, and has since then been sent in by Dr. Barnes, to whom five of the examples under consideration belong. The species is nearest to obesula in general appearance and size, with a very decided leaning toward farnhami in color and maculation, which latter is, nevertheless, on the whole more like that of albifusa than of any other species. AMERICAN DIPTERA. 267 STUDIES IN NORTH AMERICAN DIPTEROLOGY : PIPUNCULIDtE. BY E. T. CRESSON, JR. Plates V-IX. This paper is the result of about two years interrupted study of this little known family of Diptera. Unknown to either of us, Mr. Nathan Banks had also been doing some work with the genus Pipunculus ; but upon discovering that I had also been working on the same group with much more material at hand, he kindly turned over to me his collection and descriptions of some forms he considered new. These latter I give in this paper as " Banks, n. sp." accompanied by my own observations upon the types. The collection before me for study composes, besides that already at the Academy of Natural Sciences of Philadelphia, the material loaned by Mr. C. W. Johnson of the Boston Society of Natural History, which, upon addition of that of Mr. Banks, makes a sum total of 216 specimens, of which I find 31 known species and 31 which I consider new. My first attempt in the study of this group of insects was in endeavoring to determine a few specimens in the collec- tion here in Philadelphia. I found most of them unde- scribed, but hesitated to describe them as new upon such small amount of material at hand. Mr. Johnson then offered me the loan of the undetermined material in his own collec- tion and in that of the Boston Society of Natural History, and so my humble attempt has emerged into an undertaking far beyond my expectations. I regret the inability of giving a more exhaustive treatise on the subject, but the pressure of work on another paper I had already begun makes this im- possible. Still it is hoped that this contribution will be an incentive to some other student, who can give the subject a more monographic treatment ; for by special collecting, breed- ing and the borrowing of all the available material, one should TRANS. AM. ENT. SOC, XXXVI. (34*) DECEMBER, 1910. 268 E. T. CRESSON, JR. be able to work up a very valuable monograph of this obscure, but well-defined family. It seems that there are either many good species, or else the individual variation is very great, for only a small num- ber of the forms are represented by more than one or two specimens ; so it is with some hesitancy that I am consider- ing as new many of the forms herein described, especially where only one sex is represented. I regret that this well marked family is in danger of los- ing its old name, in fact has lost it in a recent catalogue of Diptera.* The recent discovery of an early paper by Meigen, published in 1800, t antedating other publications from which many well known genera of Diptera date, throws a cloud over Dipterological nomenclature. The absence of specified generic types in that paper, together with the short generic descriptions, makes it of doubtful value in the opinion of some students. It was only with the help of Meigen's later work, published in Illiger's Magazine in 1803, that most of the genera could be placed at all, still leaving some very doubtful. In looking over the situation, with the help of the original literature, regarding the genus affecting this family, questions arose which threw so much doubt over the whole affair, that I have concluded to disregard the paper entirely. I will have to go into a short analysis of the situation in order to bring out these queries as they appeal to me. Dr. F. Hendel, who first brought this paper to the atten- tion-of the scientific world, has published an extended article on it, J in which he quotes the generic descriptions and gives his ideas of their application. On page 59 he gives Dorilas Meigen, as corresponding to the genera Microcera Meig., and Pipunculus Latr., thus making these two synonyms of Dorilas, which as the type genus, would change the name of this family to Dorilaidae. Meigen characterizes his genus Dorilas as: " Antennes a deux articulations: la seconde * Catalogus Dipterorum by C. Kertesz, Vol. VII, 1910. t Nouvelle Classification des Mouches a Deux Ailes (Diptera L.), Paris. % Verh. k. k. Z. B. Gesell. in Wien, LVIII, 43-69, 1908. AMERICAN DIPTERA. 269 inclinee, garnie a la base d'un poil simple. Tete hemi- spherique. Ailes croisees, obtuses. 1 espece." Upon re- ferring to his later paper* it is seen that the descriptions of the genus Microcera is very similar to that of Dorilas, still he names no type. Some years later, in 1824, he statest that his genus Microcera is antedated by Latreille's Pipun- culus. This fixes Microcera, throwing it into synonomy under Pipuncuhis ; but it is only upon the similarity exist- ing between the descriptions of Dorilas and Microcera that leads one to consider them synonymous. The only species of this family known at the time of Meigen's early paper was Musca cephalotes Bosc.,+ which seems to be a true Pipuncuhis, and was used later by Latri- elle§ as the type of his genus Pipuncuhis \\ under the name of Pipuncuhis campestris Latr. It may be supposed that Meigen had this species before him at the time of his writing the first paper ; but his description of Dorilas seems to apply more truly to a species which would now go under Verrallia ; the head of that genus being truly hemispherical, while that of Pipuncuhis is almost spherical. Later on Meigen said that Fabricius had shown him a specimen of the genus Pipun- cuhis in 1804, but he, Meigen, makes no mention of possess- ing one. So we are not certain that Meigen did erect his genus Dorilas upon a true Pipuncuhis. As to whether Dorilas can be admitted under the rules of nomenclature has been discussed by Prof. J. M. Aldrich^j and Mr. D. W. Coquillett,** from which it seems to be a question that can only be settled by the Committee on Zoological Nomenclature. So it is seen there is no cer- tainty, but much guess work, which is, to my mind, suffi- cient cause for disregarding, for the present, the use of Dorilas Meigen, as a valid genus. Kertesz, in his Catalogus * Illiger's Magazine, II, 273, 1803. t Syst. Beschr. Eur. Zweifl. Ins., IV, 19. % Journ. d'hist. Nat., Paris, II, 55, PI. 28, Figs. 5-7, 1792. \ Hist. Nat. Cms. et Ins., IV, 392, 1805. || Loc. tit., Ill, 463, 1805. fl Can. Ent., XL, 370 and 432, 1908. ** Loc. tit., 457. TRANS. AM. ENT. SOC, XXXVI. DECEMBER, 1910. 270 E. T. CRESSON, JR. Dipterorum, amends the name to Dorylas. With these few words of analysis and explanation I will let the matter drop as irrevelent to the purpose of this paper. For the proper description of the species in this paper, names are used which may be unfamiliar to many students, and to some parts of the genitalia I have given arbitrary, or provisional, names for convenience, as I have no time to go into anatomy and terminology. All these names I will here explain. The squama, in this family, are mere ciliate ridges, being rudiments of a pair of membraneous scales situated above the halteres and back of the root of the wings, perhaps more often known as Tegulce, Calyptrce or Alula. The ventral margins of the abdomen are the ventral portion of the dorsal plates; the lateral angles of the segments I have designated as the lateral portion of the apical margin just where the dorsal plates turn down ; these angles are often pollenose, being the dorsal attenuations of the pollen on the ventral margins. The examination of the genital apparatus shows a similarity in structure but great diversity in form. It is here that much can be done in the study of this family. I have not given these organs as much importance as they probably should have ; but it appears to me that in some species there is much variation, or, on the other hand, the forms I have included under one may be distinct. The hypopygium of the male seems to be composed of five separate, at least externally, chitenous sections or lobes, of which, in some species of Pipunculus, only one, the terminal lobe, is visible ; this is sometimes very irregularly developed, being strongly compressed laterally, usually to the right of the median line of the abdomen, in which case the hypopy- gium is said to be assymetrical. This lobe is generally, but not always, furnished, usually to the right of, or at its apex, with an indentation or cleft, sometimes known as the rima, and which in the genus Verrallia (Fig. 44) completely divides this lobe dorso-ventrally into two separate parts, or is, in a species of Pipunculus so widely developed as to occupy nearly the entire lobe, or at other times is only indicated by AMERICAN DIPTERA. 271 an opake spot. This cleft is sometimes provided with a filiform appendage (Fig. 47) which often coaleses with the bottom of the cleft in form of a vertical keel (Fig. 69). To the left of the terminal lobe is the intermediate lobe (Fig. 49) which is often invisible, being withdrawn into the fifth ab- dominal segment ; it is never very much developed, and is only distinguished from the terminal lobe by the vertical incisure in form of a finely impressed line, which is one of the " two dorso-ventral clefts ... to the left of the median line " men- tioned by Dr. Hough in his description of P. atlanticus. To the extreme base of the intermediate lobe, often ventral in position, is the lateral lobe (Fig. 49), which is seldom visi- ble, and is similar to the intermediate lobe, being separated from it by an impressed line. At the extreme right of the terminal lobe, and mostly ventral in position, is the ventral lobe (Fig. 61), which at its base is probably the copulating apparatus ; this lobe is most conspicuously developed in Pipunculus atlanticus, and can at once be distinguished, espe- cially when, as it often is, of a translucent yellow color. Above, and at the extreme base of the terminal lobe, is the basal lobe (Fig. 44), which is most strongly developed in Verrallia, but indications of it can be seen in some specimens of Pipunculus beneath the apical margin of the fifth segment. The genitalia of the female is much more simplified, being composed only of the more or less globose base, and the aculeate ovipositor, at the base of which, beneath, is an open- ing, revealed by a tuft of short hairs (Fig. 86). The pres- ence or absence of the cleft in the terminal lobe of the males is of much importance systematically, but it may be quite variable in form in the same species, while in Pipunculus atlanticus it may be quite distinct or hardly discernable ; some times the entire hypopygium is extended so as to re- veal the yellowish membrane between the different lobes. The femoral spines are the series of small black teeth or spines on the flexor or under surface of the femora, being more developed on the apical portion ; these spines are quite distinct and in two rows, or, on the other hand, are hardly distinguished under high magnification. TRANS. AM. ENT. SOC, XXXVI. DECEMBER, 1910. 272 E. T. CRESSON, JR. The stigma is that portion of the costal cell between the apices of the auxiliary and first veins, and is often known as the third costal section ; it is sometimes tinged with brown, especially in certain groups. The fourth section just follows, being that portion of the costa between the apices of the first and second veins. The third section of the fourth vein is that portion between the anterior and posterior cross-veins. For a satisfactory examination of these insects, especially of the bristles, which are generally more like hairs than bristles, a compound microscope is necessary, but not essen- tial for determining most of the species as characterized in the synopsis, except perhaps those of the subvirescens group, which will give the most trouble in this respect. I have followed the recommendations of the Entomologi- cal Congress in designating a single specimen as the type of each species, but have called the remainder of the series paratypes, as I do not favor the use of the much misused term " cotype " when there is a type designated. The de- scriptions are, of course, based upon the series which is com- posed of the type and its paratypes. With the habitat of each species I have given, in parentheses, after each locality, the number and sex of specimens examined, followed by the name of the collector and the collection possessing such specimens. Where the name of the collector is not given, the same is unknown, or is the owner of the collection. I wish here to acknowledge my indebtedness to Mr. Banks for his generosity in turning over his collection for my use, these are designated "coll. Banks;" also to Mr. Johnson who kindly loaned me the extensive New England material in the collection of the Boston Society of Natural History (" B. S. N. H") and from his own collection, "coll. John- son." Those designated "A. N. S." are from the collection at the Academy of Natural Sciences of Philadelphia. While on the subject it was thought that a synopsis, as well as a bibliography and catalogue of the North American species, would be useful to have under one cover, and would be helpful to those students wishing to determine their own material, and who have not access to the literature required. The completeness of this synopsis is greatly hampered on account of the limited amount of material at hand represent- AMERICAN DIPTERA. 273 ing the species heretofore described ; but will serve, at least, as a fairly good guide to the known species of this family in- habiting North America. In the compilation of this synopsis only those characters which seem the least variable and most conspicuous are used. No attempt is made towards a seri- ous classification. The flies of this family are small, nearly bare, except Ver- rallia, black, with at most only the humeri, halteres, the sides of the abdomen rarely, and the legs, yellow; more or less variegated in appearance by the presence of silvery pubes- cence on the front and face, and gray or brown pollinose coating on the bodies and legs. The surfaces are generally shining, being more or less obscured by the density of the pollen, so that rubbed specimens are more shining than normal ; the abdomen is sometimes semi-shining, as it were, caused by the minute granulation or rugulosity of the sur- face. The color of the humeri is a very good character, but close examination is necessary on account of their being covered by the swollen occiput, or, rarely, the color is diffi- cult to distinguish between a brown and yellow. The head is large, unusually so, larger than the thorax, especially in the genus Pipunculus ; composed mostly of the compound eyes, leaving the narrow face and front ; the latter, in the male reduced to a small triangle by the contiguous, rarely narrowly separated, eyes. Antennae situated about on line with the middle of the head, composed of a small second joint and an elongate, pendant, third, which is more or less acute or acuminate apically, bearing near its base above, a simple, naked, hair-like arista, which is more or less thickened basally. The mouth parts are generally retracted, but sometimes the small, clavate palpi are visible. The thorax is smaller than the head,. quadrate, with the mesono- tum and scutellum rarely with regularly arranged series of fine bristles ; humeri well developed, sometimes appearing like scales. Abdomen ovate and flattened, or narrow and subcylindrical, consisting of five segments in the male and six in the female. Legs generally moderately slender, with apical portion of the femora and tibiae more or less thick- ened, without distinct bristles, except the femoral spines, TRANS. AM. ENT. SOC, XXXVI. (35) DECEMBER, 1910. 274 E. T. CRESSON, JR. and the series of short minute appressed thorn-like bristles on the tibiae, which are more distinct when the latter are yellow ; the tarsi have long fine hairs at the apices of the joints. Claws generally very long and curved at tips, with large spatulate pulvilli and hair-like empodium. Wings hyaline, or, evenly gray or brownish, not maculate ; vena- tion varying as shown in the figures under the various species. TABLE OF GENERA. 1. Discal cell incomplete, the fourth vein beyond the anterior cross-vein being rudimentary and the posterior cross-vein wanting. Chalarus. Discal cell complete 2. 2. Head nearly spherical; occiput with turgid margin, being gener- ally widely visible behind the eyes ; ocellar bristles absent..3. Head truly hemispherical ; occiput not widely visible, i. e., the head being closely applied to the thorax ; ocellar and scutellar bristles distinct; pilose species Vevrallia. 3. Scutellar bristles well developed; third antennal joint reniform. Neplirocerns. Scutellum and mesonotum without distinct bristles ; third antennal joint acute or acuminate Pipmiculus. CHALARUS Walker. This genus is at once distinguished by its venation. Only one, the European, species is known here,. Aldrich, in his catalogue, mentions that we have an undescribed species ; and there is also another recorded from the White Mountains, New Hampshire, by Coquillett (1896 Slosson 263). C. spurius Fallen (Figs. 1, 43, 152), has been reported from New Hampshire (1902 Slosson 7), and from New Jersey (1899 Smith 666), and before me are a number of specimens from Norwich, Vt.. Mt. Ascutney, Vt., Rockport, Mass., Auburndale, Mass. {Johnson, B. S. N. H.); and Swarth- more, Pa. (Cresson, A. N. S.). Taken June to August. VERRALLIA Mik. Allied to Pipunmhis, but more distinctly pilose, with a pair of prominent ocellar bristles ; the head is closely ap- plied to the thorax, so that the occiput is not puffed out behind the eyes as it is in that genus ; the third antennal AMERICAN DIPTERA. 275 joint rounded apically, with no sign of an angle. We have only a species described from the State of Washington, V. opaca Will., and the following, which appears to be an Euro- pean representative. V. pilosa Zetterstedt. cf. Front and face silvery; vertex opake, black, with 2 long black, ocellar bristles ; occiput opake, black. Antennae (Fig. 2) with second joint black, bearing long black bristles above and longer yellowish ones below which extend beyond apex ot third ; third shorter than second, yellow to black at base, more or less silvery. Thorax opake black, or, in places somewhat shining ; more or less brownish pruinose with black pile and long bristles ; the latter can be distinguished among the pile as follows : 2 notopleurals, 1 supraalar, 2 postalars, 1 pre- scutellar, and 1 or 2 numerals. Scutellum concolorous, with black pile and 4 marginal bristles. Pleurae and metanotum hardly grayish tinged ; pteropleura pilose ; humeri and halteres black ; squamae yel- lowish. Abdomen opake, black, with only the lateral angles of seg- ments 1-4 grayish ; fifth equalling fourth ; second the longest ; clothed with long blackish pile, especially lateral margins, but longest on first where it forms quite a distinct lateral tuft. Hypopygium (Figs. 44-45) as long as second segment, more shining, with basal and intermediate lobes broadly visible from above ; the terminal lobe completely divided by a cleft extending to the base ; ventral lobe brownish, not conspicu- ously developed. Legs slender, black, with only the knees yellow, and the basal joints of tarsi brown ; fore femora with at most only a weak tuberosity beneath, which is sometimes hardly discernable ; fore and middle femora posteriorly, and post-femora anteriorly, with a series of yellow hairs, or, those on the latter sometimes appearing black ; post-tibiae with an extensor series of same color hairs ; other- wise the legs have only short pile and inconspicuous series of hairs. Wings (Fig. 163) brownish, with colored stigma. Length, 4.5 mm. ; wings, 4.8 mm. 9 . Generally cinereous with brownish tinge ; all pile and bristles yellow or whitish. Front parallel, narrower than face, brownish above and silvery at antennae ; ocellar bristles minute. Mesonotum some- what indistinctly tri-vittate with brown ; halteres and humeri yellow, bases of abdominal segments opake-black, which color is more or less diffused apically, sometimes nearly reaching the posterior margins ; lateral tuft on first segment very conspicuous, of long white hairs or bristles; sixth segment somewhat shorter than second. Ovipositor (Fig 46) yellow, with black base. Legs with coxae and femora black, but the apices of latter, tibiae and tarsi yellow ; sometimes the tibiae are broadly infuscate medianly ; all femora with a rather more dis- tinctly developed tuberosity beneath than have the males (Fig. 120). Wings (Fig. 164) more grayish. Length, 3.8 mm. ; wings, 4.8 mm. TRANS. AM. ENT. SOC, XXXVI. (35*) DECEMBER, 1910. 276 E. T. CRESSON, JR. Described from Europe. Before me are the following, upon which I have based the above description : Auburndale, Mass., 1 cf ; Mt. Greylock, Mass., 3 d1 ; Mt. Equinox, Vt., 2 9. All collected by C. W. Johnson (B. S. N. H.) during May (Auburndale) and June. These are probably sexes of the same species. I cannot separate them irom pilosa Zett., according to Verrall's description (1901 Verrall 71). The only differences seem to be in the less conspicuous femoral warts, the less grayish abdomen, and the darker legs of the males, while the females are practically identical. This form seems to be intermediate between this species and vilosa v. Ros. according to the development of the femoral warts. Williston's western species, opaca, differs in the venation as well as possessing black, instead of yellow bristles, his de- scription being based upon a female. Of course there is a possibility of the above specimens belonging to a distinct species, but only comparison with the European pilosa will determine that question. NEPHROCERUS Zetterstedt. The species of this genus are in size the largest of the family. They may be readily distinguished by the reniform third antennal joint, the well developed bristles on the mono- sotal margin, and the inflated humeri and scutellum ; the latter also having well developed bristles. In general ap- pearance they are similar to those of the genus Pipunculus, differing in the above mentioned characters. Only one spe- cies is known here, N. daecki Johnson, described from Long Island ; but there is another species reported from the White Mountains, New Hampshire (1897 Slosson 239). PIPUNCULUS Latrielle. In number of species this genus is the largest in the family. Distinguished by the generally acute third antennal joint, the apex of which is often drawn out into a long spini- form beak, and tho sometimes nearly round apically, there is always an indication of an angle ; the occiput is puffed put and generally widely visible at the margin, but centrally concave and more or less closely applied to the thorax ; all AMERICAN DIPTERA. 277 bristles are small and indistinct ; the head is larger in pro- portion than in the other genera. Of the specimens ex- amined the eyes of all the males are in contact, unless other- wise mentioned, and the femora have flexor spines, although these are sometimes so minute as to be scarcely discernable under high magnification. The cleft of the hypopygium is understood to be on the right unless otherwise noted. A knowledge of the life history of this group of insects would be a great help in the study, and it is only by breed- ing that many of the species can best be procured, as Mr. Perkins* has already done with his Australian and Hawaiian species. They are known to be parasitic on Homoptera. TABLE OF SPECIES. Males 1. Females 35 . 1. Stigma colored, generally long and conspicuous 2. Stigma hyaline, or very small 26. 2. Fourth vein beyond post-cross vein with fork (Fig. 137) 3. Fourth vein normal 5. 3. Antennas long, white acuminate 18. appendiculatus n. sp. Antennas obtusely pointed 4. 4. Femora yellow; mesonotum only microscopically pubescent. North Carolina species 31. COnstricttlS Banks, n. sp. Femora more or less blackened medianly; mesonotum distinctly pilose. Mexican species 17. elegantulus Will. 5. Humeri brown or black 6. Humeri yellow or white 18. 6. Legs entirely yellow; knobs of halteres black. 16. atlanticus Hough. At least all femora with distinct black rings 7. 7. Hypopygium cleft 8. Hypopygium not cleft. Antennas yellow 5. ? flavitarsis Will. Antennas black 17. 8. Hypopygium smaller than fifth segment, generally only a little visible, with apical cleft 9. Hypopygium as large, or larger than fifth segment and generally assy metrical 11. 9. Halteres black or brown 12. Halteres white or yellow 10. * Rept. Exp. Sta. Hawaii. Sugar Plant. Ass., Div. Ent., Bull. No. 1, pt. 4, 1905. TRANS. AM. ENT. SOC, XXXVI. DECEMBER, 1910. 278 E. T. CRESSON, JR. 10. Abdomen shining, with bases of segments opake ; tibiae and tarsi yellow 20. maiiieiisis n. sp. Abdomen polished, with only apex of first silvery laterally. 34. varius n. sp. 11. Abdomen entirely opake, velvety-brown or black, without trace of gray ; halteres brown. 21. ciugulatus Loew. (velutinus n. var.). Abdomen subopake, more or less cinereous, at most opake-black only at bases of segments 13. Abdomen shining or polished, with bases of segments more or less velvety-black, at most only first segment and ventral mar- gins cinereous. Tibiae largely brownish or black 21. ciugulatus Loew. Tibiae yellow, scarcely tinged with brown 22. fuSCUS Loew. 12. Abdominal fasciae all white. Antennae black, short acuminate 6. ? nigricornis Adams. Antennae yellow 5. ? flavitarsis Will. Antennas black, acute; ultimate section of fourth vein straight. Western species 7. alteruatus n. sp. Abdominal fasciae faintly grayish, or nearly shining, only first segment white ; ultimate section of fourth vein strongly sinuate 8. nigripes Loew. Abdomen polished, at most only base cinereous.. 34. varius n. sp. 13. Antennae yellow. Mexican species 5. ? flavitarsis Will. Antennae black 14 . 14. Abdomen distinctly fasciated with white or gray, but bases of segments opake 15 . Abdomen not distinctly fasciated, sometimes nearly shining.... 16. 15. Wings distinctly tinged with brown ; hypopygium subhemispheri- cal, small, cleft 9. semifasciatus n. sp. Wings hyaline, or gray, only faintly brownish. Missouri species. 6. ? liigricoriiis Adams. 16. Hypopygium quadrate in outline, much larger than the short fifth segment, with broad apical cleft (Figs. 60-61). 10. caudatus n. sp. Hypopygium more semicircular, hardly larger than the large fifth segment, with moderate cleft (Fig. 52). 11. discolor Banks, n. sp. 17. Antennae short, acute; stigma as long or longer than fourth costal section 2. dubius n. sp. Antennae abruptly, short acuminate ; stigma shorter than fourth section 1. loewii Kert. 18. Legs yellow, or, at most with only femora discolored above 19. Femora black, at most only extremities yellow 20. 19. Abdomen subopake ; apices of segments with or without gray fascia. AMERICAN DIPTERA. 279 Small species (3.0 mm.) 15. minor n. sp. Larger species (4.5 mm.) 16. atlanticus Hough. Abdomen shining, with extreme bases of segments more or less opake-black ; post-femora much thickened and somewhat discolored with brown (Fig. 121) 24. femoratus n. sp. Abdomen shining, except first segment, and lateral margins cinere- ous ; femora slender, not discolored 33. houg'hii Kert. 20. Hypopygium cleft 21. Hypopygium not cleft 24. 21. Abdomen opake, or subopake, more or less variegated with gray 22. Abdomen polished, at most gray only at base and ventral mar- gins 23. 22. Abdomen opake, brown and gray fasciated ; tibiae and tarsi yellow. 14. aequus n. sp. Abdomen subopake, evenly brownish tinged, only faintly marked with gray. New Mexico species 12. fuscitarsus Adams. New York species 11. discolor Banks, n. sp. 23. Antennas yellow, long acuminate ; knobs of halteres black ; wings hyaline, with only apical portion of stigma colored. 35. tarsalis Banks, n. sp. Antennas black, short, acute ; halteres yellow ; wings brownish. 23. vitlmis n. sp. 24. Abdomen subopake, with more or less grayish tinge on dorsum. .25. Abdomen polished, only grayish at base and laterally. 35. tarsalis Banks, n. sp. 25. Hypopygium small, shorter than fifth segment; abdomen sub- cylindrical 3. affinis n. sp. Hypopygium large, longer than fifth, very broad ; abdomen ovate, distinctly broadest at third and fourth (Fig. 72). 4. coiifratermis Banks, n. sp. 26. Legs and antennas entirely yellow 27. Legs yellow, with only a small, well defined, black, sub-basal femoral spot (Fig. 127) ; abdomen entirely shining black. 38. atraiiionteiisis Banks, n. sp. Legs in part black 29. 27. Abdomen opake, brownish, more or less cinereous. Mexican species 40. flavicomis Will. Abdomen shining, more or less yellow laterally 28. 28. Antennas acutely pointed. Mexican species. j««f 39- xanthopodus Will. Antennas long, white acuminate 4& flavomaculatns Hough. 29. Tibias mostly yellow ; first and lateral margins of segments 2-4 iensely cinereous ; hypopygium very large and symmetrical. 36. albofasciatus Hough. TRANS. AM. ENT. SOC, XXXVI. DECEMBER, 1910. 280 E. T. CRESSON, JR. Tibiae mostly black ; abdomen shining, or obscured, at most, only faintly cinereous {subvirescens group) 30. 30. Post-trochanters with one tooth or appendage beneath 31. With two teeth or appendages beneath (Fig. 129) . Western species. 52. bidens n. sp. With, at most, only minute bristles or tufts of hair beneath 32. 31. Post-femora with a basal tooth beneath (Fig. 125) ; post-tarsi dis- tinctly dilated 51. appeiulipes n. sp. Femora without such tooth (Fig 132). ...50. imguiculatus n. sp. 32. Hypopygium compressed to left 44. coquilletti Kert, Hypopygium more or less compressed to right, or small and ap- parently symmetrical 33. Hypopygium not compressed, much broader than long, subhemi- spherical (Fig. 105) 47. insularis n. sp. 33. Abdomen ovate; fifth segment trapezoidal in dorsal outline 34. Abdomen subcylindrical ; shining; fifth segment rectangular in out- line (Fig. 108) ' 43. similis Hough. 34. Abdomen sparingly clothed with fine, brownish pubescence, shin- ing; at most, only ventral margins cinereous. 42. subvirescens Loew. Abdomen with scattered, black, bristle-like hairs, shining ; at most, only ventral margins cinereous 46. scoparius n. sp. Abdomen naked, without discernable hair or pile, subopake, or, more or less faintly submetallic, cinereous tinged. 45. subniteiis n. sp. 35. Stigma colored, generally long and conspicuous 36. Stigma hyaline, or very small 51. 36. Fourth vein with appendage beyond post-cross vein 37. Fourth vein simple and normal 38. 37. Eastern species; sixth abdominal segment shorter than fifth; stigma much shorter than fifth section ; occiput normal. 25. brevis n. sp. Eastern species ; sixth segment as long as fifth ; stigma equalling fifth section ; abdomen shining ; occiput unusually puffed out (Fig. 124) 18. appeiidiculatus n. sp. Western species ; sixth segment longer than fifth ; stigma shorter than fifth section ; abdomen shining.. 9. acuminatus n. sp. 38. Humeri brown or black 39. Humeri yellow or white 43. 39. Legs entirely yellow ; abdomen broad, distinctly fasciated with gray ; antennae acute ; robust species 16. atlantieus Hough. Legs yellow except discolored femoral rings ; entire first and second segments, and narrow apices of following cinereous. 20. liiainensis n. sp. Legs mostly black 40. AMERICAN DIPTERA. 281 40. Ovipositor much longer than its base 41. Not longer than its base 42. 41. Ovipositor not more than twice as long, and gradually tapering from its large elongate base 8. nigripes Loew. 9. ? semii'asciatus n. sp. Slender, more than three times as long, and abruptly terminating its small globose base. Western species. 7. alternatus n. sp. 42. Abdomen broad, opake, or subopake, with gray fasciae ; ovipositor longer than sixth segment 2. dubillS n. sp. Abdomen broad, nearly shining, only grayish tinged laterally ; ovipositor not as long as sixth segment. 4. confraternus Banks, n. sp. Abdomen shining, cinereous only laterally and a median stripe on the third segment ; femora not spinose. 26. nitidiventris Loew. Abdomen shining, cinereous only laterally ; femora distinctly spi- nose 27 . lior vat hi Kertesz. 43. Abdomen opake, or subopake, cinereous to nearly shining, but never polished 44. Abdomen polished, at most only base and lateral margins cinere- ous 48. 44. Legs yellow, at most only femora discolored medianly. Small species (3.0 mm.) 15. minor n. sp. Larger species (4.5 mm. and over) 45. Femora black, at most only extremities yellow 46. 45. Antennae short, acute 16. atlaiiticus Hough. Antennae very long, white acuminate 14. aequus n. sp. 46. Ovipositor extending to second segment. ..13. ? subopacus Loew. Ovipositor shorter, hardly reaching apex of fifth 47. 47. Abdomen opake, with gray fasciae 3. affinis n. sp. Abdomen and scutellum nearly shining, only grayish tinged later- ally 4. confraternus Banks, n. sp. 48. Legs entirely yellow ; femora slender ; ovipositor very short, with globose base 33. liouglrii Kert. Legs yellow ; femora much thickened ; base of ovipositor elongate. 24. femoratus n. sp. Femora black, or with extremities more or less yellow 49. 49. Antennas with third joint black 50. Third joint yellow 32. lllteicornis n. sp. 50. Ovipositor slender, curved, longer than, and abruptly terminating its elongate base (Fig. 86) 30. alpinus n. sp. Ovipositor short, abruptly terminating its large base ; femora mostly black (Fig 94) 28. angus n. sp. Ovipositor stout, gradually tampering from, its more or less elongate base; legs mostly yellow (Fig. 87)) 29. sororius n. sp. TRANS. AM. EST. SOC, XXXVI. (36) DECEMBER, 1910. 282 E. T. CRESSON, JR. 51. Legs entirely yellow. Mexican species 52. Femora in part black 53. 52. Abdomen shining black, more or less cinereous laterally, antennas long acuminate 41. willistouii Kert. Abdomen opake, brownish, densly cinereous laterally; antennae acute 40. flavicornis Will. 53. Tibiae mostly yellow ; abdomen elongate, subcylindrical, shining. 37. flavoniaculatus Hough. Tibiae mostly yellow; abdomen short, robust, subopake and more or less fasciated 36. albofasciatus Hough. Tibiae mosty black {subvirescens group) 54. 54. Abdomen subopake, or more or less submetallic, cinereous tinged. Western species 45. subiiiteiis n. sp. Abdomen shining, or at most only ventral margins cinereous... 55. 55. Uppermost part of front shining or polished, only silvery near antennae 56. Front, except vertex, silvery or cinereous 48. albiseta n. sp. 56. Post-trochanters and all femora with two or three long, distinct, bristles near bases beneath (Fig. 128). Western species. 49. proximus n. sp. Post-trochanters with, at most, very short hairs or bristles ; ab- domen ovate, with segments somewhat constricted at in- cisures 43. similis Hough. Post-trochenters with minute scopa ; abdomen slender, not con- stricted at incisures (Fig. 131) 46. scoparius n. sp. Post-trochanters unarmed ; abdomen normal 57. 57. Abdomen polished all over 51. appeiitlipes n. sp. Abdomen cinereous on ventral margins and more or less apically. 47. insiilaris n. sp. DESCRIPTIONS OF SPECIES. Group I. Stigma colored; abdomen opake, or subopake ; third section of fourth vein generally about twice as long as fourth. 1. P. loewii Kertesz, fasciatus\\ Loew. d1 . Opake-black ; antennae black; third joint short and obtuse. Mesonotum opake, brownish-gray. Bases of abdominal segments opake, black ; apex of first densely white ; apices of following gray- ish, becoming whiter, thinner and less opake laterally. Hypopygium moderate, black, not cleft. Legs black, apices of femora, bases of tibiae yellowish. Wings grayish ; the colored stigma shorter than fourth section. Length, 3.5 mm. ; wings, 4.1 mm. Described from Texas. I do not know this species, but AMERICAN DIPTERA. 283 the stigma being shorter than the fourth section of costa, should distinguish it among those with non-cleft hypopygium. 2. P. affluis n. sp. cT. Front and face silvery; occiput brownish or grayish ; antennae black, but third joint brownish, long white acuminate. Mesonotum rather opake, brownish, more or less cinereous along margins; scu- tellum concolorous. Pleura and metanotum cinereous to nearly white ; humeri yellow; knobs of halteres black or brown, with brown or yellow pedicles. Abdomen subcylindrical, opake to subopake, brown- ish ; apical margins and ventral margins of segments cinereous ; fifth longer than fourth. Hypopygium (Fig. 80) small, cinereous tinged, not cleft ; lateral and intermediate lobes just visible at extreme left ; ventral lobe yellow. Legs slender ; coxa?, femora except bases and apices, more or less developed ; tibial ring, and apical joint of tarsi, black, otherwise the legs are yellow; inner surface of post-femora polished ; spines weak ; post-tibia? slightly swollen at the middle, nearly straight. Wings (Fig. 166) grayish; stigma colored. Length, 3.8 mm. ; wings, 4.4 mm. 9 . Similar to male, with front entirely silvery to the vertex ; broad margins of mesonotum cinereous, leaving only the disc brown ; scutel- lum also more grayish ; sixth abdominal segment shorter than fourth, with a distinct longitudinal groove on middle of dorsum, entirely gray- ish tinge ; ovipositor (Fig. 81) yellow, very short, hardly reaching apex of fifth ventral segment, abruptly terminating its broad, short, gray- ish tinged base, which hardly protrudes beyond the sixth segment. Wings are very long in proportion. Length, 3.8 mm. ; wings, 6.0 mm. Type. — o". Cottage Beaulieu, Beaulieu, Quebec, June 14, 1906 (Figs. 13, 166, Beaulieu, coll. Johnson). Paralypes.— St. Johnsbury, Vt., 1 c? ; Burlington. Vt., 1 9 , Fig. 81 ; Barnstable, Mass., 1 9 (all by Johnson, B. S. N. H.); Great Falls, Va. (1 9, coll. Banks). Taken in June and July. The males of this species seem to agree with those con- sidered by Dr. Hough to be subopacus Loew, but the females do not agree with his description as to the ovipositor ; and it does not seem probable that I have separate species in the two sexes before me. Dr. Hough (1899 Hough 79) de- scribes the abdomen as brown-black, almost shining, with apices of segments whitish pollinose ; halteres yellow ; femora black, with apex sometimes yellow, tibia? varying from yellowish with black rings, to black with yellowish TRANS. AM. ENT. SOC.XXXVI. (36*) DECEMBER, 1910. 284 E. T. CRESSON, JR. bases ; tarsi black-brown, with joints 1-2 yellowish ; third section of fourth vein twice the second. This shows but little variation from these males. This species as here re- presented is distinguished by its small size, non-cleft hypo- pygium, short ovipositor, and black femora. 3. P. dubius n. sp. cf . Bare, entirely black, except humeri brown, squamulae yellow, halteres brown, pedicle yellow, extreme apices of femora, extreme bases and apices of tibiae, yellow, basal joint of tarsi brown ; antennae (Fig. 30) rather abruptly short acuminate. Front and face silvery; occiput cinereous and brown. Mesonotum opake, brown pollinose ; pleurae and metanotum lightly cinereous. Abdomen opake to sub- opake ; the narrow apical margins dilating into the broad ventral angles of segments 1-5 cinereous, semi-opaque , the broad bases of segments 2-4 brownish black becoming opake at extreme bases ; fifth more shining, broadly cinereous tinged, brownish at base ; hypopy- gium (Fig. 58) shining black, but faintly cinereous, small rather symmetrical, not cleft, but intermediate lobe fully visible, ventral lobe little developed, brownish. Legs rather slender, mostly black and cinereous, with inner surface of post-femora polished ; spines weak. Wings (Fig. 138) grayish hyaline; stigma colored. Length, 2.8 mm.; wings, 3.8 mm. 9 . Front entirely shining, except just above antennae ; antennae (Fig. 31) long acuminate; halteres yellow or with brownish knobs. Abdomen short, broadest at third and fourth segments, subopake, bluish-gray, with extreme bases of segment opake-brown ; all are subequal in length, but sixth longer, grayish, and deeply grooved medianly, so much so as to make it appear to be composed of two separate plates. Ovipositor (Fig. 59) slender, brownish, abruptly thick- ened basally, extending to base of abdomen ; articulated with, and abruptly terminating its subglobose grayish base. Only extreme base of tibiae yellow ; the tarsi are entirely black. Stigma of wing only colored at apical portion ; the second section of fourth vein varying in the two specimens from ^ to nearly ^ of third section. Type.— < < 85. ' " 67. cingulatus. 86. alpinus. 68. ' " 87. sororius. 69. cingulatus var. ve- 88. " lutinus. 89. mainensis. 70. cingulatus var. ve- lutinus. 90. 91. minor. 71. cingulatus var. ve- lutinus. 92. 93. femoratus. 72. confraternus. 94. angus. 73. ■ i 95. i * i Plate VII. G ENITALIA, ETC. FIGURE FIGURE 96. Pipu nculus albofasciatus. 108. Pipunculus similis. 97. " " 109. " " 98.