THE LIBRARY OF THE UNIVERSITY OF CALIFORNIA LOS ANGELES THE FAUNA OF BRITISH INDIA, CEYLON AND BURMA. PUBLISHED UNDER THE AUTHORITY OF THE SECRETARY OP STATE FOR INDIA IN COUNCIL. EDITED BY A. E. SHIPLEY, Sc.D.Cantab., HON. D.Sc. Princeton, HON. LL.D. Michigan, F.B.8. ASSISTED BY GUY A. K. MARSHALL, HON. D.Sc. (Oxon.), F.Z.8. DIPTERA BEACHYCEKA. VOL. I. BY E. BRUNETTI. LONDON: TAYLOR AND FRANCIS, RED LION COURT, FLEET STKEET, CALCUTTA : THACKER, SPINK, & CO. BOMBAY: THACKER & CO., LIMITED. May, 1920. I'RINTKD BY TAYLOR A N' D FUANCIS, RED LION COURT. Fl.KKT STHKET. LO.VPON. PREFACE. OWING to the war, the difficulties of communication, and the loss of ships coining from the East, there has been an unusual delay in the issue of the present volume, and it has unfortunately been found impossible to incorporate in it certain corrections which the author wished to make. Further, owing to the difficulties under which publishers and printers now labour, it was felt by the Editor necessary to publish Avithout further delay. Another difficulty which has arisen in the preparation of the volume is due to the fact that the MS. ran to a far larger volume than the Indian Government contemplates, and it was therefore reluctantly decided to publish the following families : Stratiomyidse, Leptidjr, Nemestrinidfe, Cyrtidee, Bombyliidce, Therevida?, Scenopinidse, Mydaidse, Empidoe, Lonchopteridac, and Platype/idse ; leaving the remainder, i. «., the families Pipunculida?, Syrphidse, Conopidse, and Oestridse for a second volume. This proceeding is, I gather, against the wishes of the author, but no other solution of the difficulty appeared possible. A.E. SHIPLEY. 1st May, 1920. SYSTEMATIC INDEX. Page Order DIPTEBA 1 Suborder BR ACHY CERA .. 1 Fain. 1. STRATioMYiixas .... 17 Subfam. 1. Pachyyastrinte .... 19 1 Pachvo-nster Mq 20 P 2 Eudmeta Wied age 41 42 43 48 44 44 45 46 47 47 48 4!) lit 50 52 52 58 58 55 56 57 57 58 59 (iO 60 61 68 64 65 65 67 67 68 1. maiginHta, Fabr 2. brunnea, Meij. 3 flavida Brun .... 1. longispinus, Brun 4. Epnippiuin, Latr 1. bilineatum, Fabr 5. Negritomyia, Big 1. macnlipennis, Macq. .. 6 Ruba Walk 1 annulipes Brim 21 21 21 22 23 24 24 24 24 25 26 26 28 28 29 29 30 31 32 32 33 33 34 36 37 38 30 40 2. Zabrachia, Coq 1. albipes, Brun 2. annul! femur, Brun 3. Monaoantbomyia, Brun. . . 1. annnndalei, Brun 1 infl.-ta Walk 7. Clitellavia, Mg 1. hen-.inopla. Wied 2. bistriata, Brim 1 felderi Brauer 8. Lasiopa, Brittle 1 . villosa, Fabr.,\&\\ hima- layensis, Brun 9 Oxyceva Mq 5 Wallacea Dol 1. argentea, Dol 6. Acanthina, Wied 1. sicjnnta, Brim 2. argeiitibirla, Brun 7. Craspedometopon, Kert. . . 1. frontal a, Kert 8 Tin da If 'afk 2. albomicans, Brun Subfam. 3. Stratifmtyintc .... 1. Cvphoniyia, Wied 1. indica, Brun 1. javana, Macq 9. Evaza, Walk.. 1 flavipes Biq 2. Stratiumyia, Geoff. 1. barcai Walk 2. mioropilosa, Brun 3. fulvescens, Brun 3 Odontomyia, Mq 2. bipars, Walk 3 indica Kert 10. Ptilocera, Wied 1. fastuosa, Gerst 11. Strat.iospbecomyia, Brun. . 1 variegata, Brun 1. cyanea, Brun. . . . 2. rufoabdominalis, Brun. . 3. pulcherrima, Brun 4. minuta, Fabr Subfam. 2. Clitellariinee I. Hermelia, La.tr 1. Iseta. Meii. . 5. rubrithorax, Macq 6. kashmirensis, Brun. . . 7. dorsoang-ulata, Brun. . . VI SYSTEMATIC IKDEX. Odontornyia (con.). Page 8. soleimis, Walk 69 9. lutatius, Walk 70 10. transversa, Brun 71 11. viridana, Wied. 72 j 2. nigrieornis, Brun. . 3. unicinctus, Bnm. , Subfam. 2. Arthroceratinte Page . 105 . 106 . 107 Suh 1. 2. 3. 4. 5. 6. Sul 3. Su 1. Fa Su 1 fam. 4. Sargince .......... Ptecticus. Lw .... 72 73 75 75 76 77 77 78 79 80 81 81 82 83 84 84 85 85 86 86 87 88 88 89 90 91 92 92 93 93 94 95 96 96 98 98 99 100 104 104 105 1. Desmomyia, Brun 107 107 108 109 110 110 111 112 112 114 115 115 116 117 118 119 120 120 121 121 122 122 123 124 125 126 126 127 128 131 131 132 133 133 134 135 135 136 137 137 138 138 138 139 140 140 141 1. thereviformis, Brun. . . 2. Pararthropeas, Brun 1. thereviformis, Brun. . . Subfam. 3. Coenomyina 1. Coenomyiodes, Brun 1. edwardsi, Brun 1. longipennis, Wied 3. aurobrunneus. Brun. . . 4 wulpii Brun 5. apicalis, Lw 7. australis, Sch Subfam 4 Le tin* 8. cingulatus, Lw., var. ceylouicus, Bnm Sargus, Fabr 1. gemmifer, Walk 2. metallinus, Fabr 3. mactans, Walk Chloromyia, Dune 1. sapphirina, Walk Brachycara, Thorns 1. Atrichops, Verr 1 . calopa, Brun 2. lanopyga, Brun 3. limbata, O.-S. 4. int frmedia, Brun 5. metatarsalis, Brun / 6. cincta, Brun 7. caerulescens, Brun 2. Atherix, Mg 1 labiata Biq 1. ventralis, Thorns 1. vitripennis, Dol 3. Suragina, W«lk 1. elegans, Karsch | 4. Macellopalpus, Big 1. f ul v id us, Brun 2. fascipennis, Brun 5. Leptis, Fabr 1. flaviventris, Wied 2. calopa, Bnm )fam. 5. Berina Beris, Lair 1. geniculata, Curt "1. annul ipes, Brun Chlorisops, Rond 1. tibialis, My Allognosta, O.-S. 1. vagans, Lw 2. assamensis, Brun )fam. 6. Xylomyince Xylomyia, Rond l'. flavipes, Dol 2. calopodata, Biy 3. nigricornis, Brun m. 2. LEPTID^E . . 1. apicipennis, Bnm 2. discoidali^, Brun 3. imicolor, Brun 4. triangulata, Brun 6. Chrysopilus, Macq 1. marmoratus, Brun 2. albopictus, Brun 3. ornatipennis, Brun 4. luctuosus, Brun 5. flavopnnctatus, Brun.. . 6. opalescens, Brun 7. humeral!*, Bnm 8. segmentatus, Brun 9. cochinensis, Bnm 10. birmaneiisis, Brun 12. similis, Brun 13. magnipennis, Brun 14. flavopilosus, Brun 15. yerburyi, Brun 16. albobasalis, Brun 17. insularis, Sch. bfam. 1. Xylophityince Rliachicenis, Walk 1. bicolor, Bnm 18. ferrugiDosus, Wied. SYSTEMATIC INDEX. Chrysopilus (con.). 19 unicolor Brun Page 141 3 frmtnliis Vnhv Page 181 20. atigma, Brun 21. latus, Brun 22. sordidus, Brun 23. alternates, Brun. . . . Fam. 3. NEMESTRINID.S: . . . 1. Hirmoneura, My 1. annandalei, Licht. . . . 2. basalia, Licht 3. opaca, Licht . 142 . 143 . 143 . 144 . 144 . 147 . 149 . 149 . 150 4. chrysolampis, Jaeii. . 5. flaviventiis, Dol. . . . .. 182 183 6. ceuomaus, Rvnd. . . . 7. aurautiaoa Guer. .. 185 186 8. sphinx, Fabr 9. suft'usipennis, Brun. 10. semifuscata, Brun. . 2. Exoprosopa, Mncq. . . . 1. flavipennis, Brun. . 2. flammea, £run. . . . 3. lar, Fabr. .. 187 .. 188 .. 188 .. 189 ... 192 .. 193 . . . 194 4. cingulata, Licht 5. brunnea, Licht . 151 . 151 4. pennipes, Wied. . . . 5. latipennis, Brun. . . . 6. lateral is, Brun. 7. annandalei, Brun. . 8. maculiveutris, Brun. 9. stylata, Brun 10. insulata, Walk. . . . 11. puerula, Brun 12. bengalensis, Macq. . 13. brahma, Sch 14. niveiventris, lirun. . 15. vitripennis, Brun. . 16. vitrea, Biy 17. basifascia, Walk. . 18. alex.m, Walk 19. semilucida, Walk. . 20. auviplena, Walk 21 albida Walk ... 197 . . . 198 .. 198 .. 199 .. 200 .. 201 .. 203 .. 205 .. 206 .. 206 .. 207 .. 209 .. 210 .. 211 .. 211 212 .. 212 212 6. ochracea, Licht 7. austeni, Licht 8. coffeata, Licht 2. Trichopsidea, Wesf.w. . . . 1. duhrni, Wand 3. Atriadops, Wand 1. javana, Wied. . 151 152 . 152 . 153 . 153 . 154 . 355 155 4 Ceylunia, Licht 1. magnifica, Licht Fain. 4. CYBTIDJE . 156 . 157 Subfam. 1. Philopotina 1. Philopota, Wied 1 viridaenea. B'run . 158 . 158 . 159 Subfam. 2. Panopints 1. Pialea, Erichs 1. auripila, Brun Subfam. 3. Cyrtina 1. Lasia, Wied 1. aurata, Brun 2. Pterodontia, Gray . 160 . 160 . 161 . 163 . 163 . 164 . 165 . 166 . 167 . 168 169 . 170 171 . 171 . 171 173 176 . 178 180 . 180 3. Spog< stylum, Macq. . . . 1. austeni, Brun 4 Argvramoeba Sch .. 213 .. 213 214 1 bipunctata, Fabr.. - . . 217 2 di-tigma, Wied 218 3. obscurifrons, Brun. . 4. limitaris, Brun. . . . 5. intermedia, Brun. . .. 220 .. 220 .. 221 222 1. kashmirensis, Licht. . 2. dorsolineata, Brun. . . . 3 Oncodes Lair 7 gestroi, Brun 222 8. niveicauda, Brun. . 9. duvaucelii, Macq. . . 10. argentiapicalis, Brun 11 instituta Walk. . . . .. 224 .. 225 .. 227 227 2. octomaculatus, Brun. . 12. claripennis, Brun. . 13. niveisquamis, Brun. 14. nigrofemorata, Brun. . . 228 .. 229 .. 230 230 4. angustimarginatus, 5. rufomarginatus, Brun. Fam. o. BOMBYLIID^; Subfam. 1. Anthracina 1. Hyperalonia. Rond 1. dives, Walk 2. tristis. Wuln . 5. Lepidanthrax, O.-S 1. compacta, Brun 2. transversa, Brun.. . . 6. Anthrax, Scop 1. fletcheii, Brun 2. guttatipennis, Brun. 3. himalayanus, Brun. .. 232 .. 233 .. 233 .. 234 .. 236 ,. 237 .. 238 SYSTEMATIC INDEX. Anthrax (con.). 4. afra, Fabr Page . 240 8. Phtbiria, Mg 241 1. oT»<>.ilis. Walk.. . Pago . . 284 285 6. manifest, Walk. . . . 7. clara, Walk 8. approximata, Brim. . 9 aperta Walk . 242 . 243 . 244 . 245 . 246 . 247 248 Subfam. 4. Toxophorina .... 1. Toxophora, Mg 1. javana, Wied. Subfam. 5. Si/stropince . . 280 . . 287 . . 287 . 289 10. fuscotimbata, Brun. . 11. hottentotta, var. clari pennis, Brun 1 . Systropus, Wied . 289 . . 291 . 294 13 dia Wifd . • • . 250 1. ophioneus, Westw. . . 2. edwardsi, Brun 14. baluchianus, Brun 15. albofulva, Walk 16. aureohirta, Brun. . . . . 250 . 251 . 252 . 253 . 254 3. eunienoides, Westw. 4. flavipleura, Brun. . . ; Fam. 6. THEREVIDJE . 294 . . 295 . 295 . 297 . 298 18 troflodvta, Fabr 19! iucida/JFaa . 254 . 255 255 20. limpida, Walk 21 referens Walk 1. kempi, Brun Subfatn ^ Ltnnatiinee 255 . 256 . 257 259 . 260 260 261 263 2H4 265 267 267 268 270 270 270 271 272 273 273 274 275 276 277 277 278 278 278 279 279 280 281 282 283 2. nigella, Wied. . . 3. flavolineuta, Brun. . . 4. bilineata. Brun 5. cylindrica, Walk. . . 6. indica, Walk 299 . L>99 . 300 . 301 . 301 301 1. Aplioebantus, Lw 1. ceylonicus, Brun. . . . Subfam. 3. Bombylima 1. Empidideicus, Beck 1. indicia, Brun 8. invaria, Walk . 302 . 302 . 303 . 304 2 Psilocephala, Zett 1. albina, Wied 2. indica, Big 2. Bombylius, Linn 3. ceylonica, Krob . 304 2. wulpii, Linn 3. major, Linn 4. erectus, Brun 5. maculatus, Fabr 6. comastes, Brun 4 sequa Walk 305 5 affinis Krob. 306 3 Phycus, Walk 306 1. brunneus, Wied 2. argentiventris, Brun. 3. atripes, Brun . 307 . 309 . 309 8 vicinus, Brun Fam. 7. SCENOPINIDJE .... . 310 . 311 312 9. terminalis, Brun 10. fulvipes, Big 11. propinquu.s, Brun. . . . '•]. Dischistus Lw. 1 fenestralis, L Fam. 8. MYDAIDJE . 314 1. resplendens, Brun. . . . 2. ardens, Walk 1. Mvdas, Fabr . 316 . 317 . 318 1. socius, Walk 1. ruticornis, Wied. . . . .. 2. carmichaeli, Brun. . . . 3. flavospinosus, Brun. . 4. eupogonatus, Biy. . . . 3. annulata, Brun 2. Leptomydas, Gerst 1. indianus, Brun . 319 . 320 . 320 1. longirostris, Wulp. . . . 6. Geron, Mg 1. arjjentifrons, Brun Fam. 9. EMPIDJE Subfam. 1. Hybotince. . 321 . 325 7 Usia Latr 1. Synecbes, Walk 1. immaculatus, Brun. . 2. biaroti. Bezzi . . . 327 . 328 . 329 1. sedophila, Brun 2. marffinata, Bnm.. . SYSTEMATIC INDEX. Syueches (con.). 3. inaequalis, Brnn 4. minutus, Brun 5. rusticus, Brun 6. palliditarsis, Brun 7. Iratellus, Brun 8. insicmia Tirun. . . . Page 330 330 331 331 332 332 333 333 333 334 334 334 336 335 336 338 338 339 340 340 340 341 341 342 342 343 343 343 344 345 3-15 346 34(5 347 349 360 351 352 352 363 353 354 355 356 356 367 357 358 359 S59 360 368 :!()! ] Subfam. 3. Ofiydromiina 1. Leptopeza, M.aeq Page 362 362 368 363 364 365 366 366 367 367 368 369 370 371 371 372 373 374 375 37C. 377 377 378 378 379 379 380 381 382 382 383 383 383 384 384 385 385 386 386 387 387 388 339 390 391 392 1. vitripemiis, Brun Subfain. 4. Hemerodromiinee . . 1. Clinocera, ~M.g . . 2. 8. 4 5. 9. fuscipennis, Brun Syndyas, Lw 1. fluviatilis, Brun 2. obscura, Brun 2. Microdromia, Big 1. dorsalis, Brun 3. Phyllodromia, Zett ] . flavida, Brun 2. indicata, Brun 4. Dolichocepbala, Mncq. 1. parvicellulata»2?«K:/ .. Harpamerus, Big 1 . signatus, Big Acarterus, Lw 1 . pallipes, Bezzi 2. fuscipennis, Brun Hybos My 1. bisetosus, Bezzi 1. septemnotata, Brun. . . 5. Trichopeza, Rond 1 fusca Brun 2. tenuipes, Brun 3. gagatinus, Big 4. apicis, Brun 5. genie ulatus, Wulp . . . . 6. niger, Brun. . . Subfam. 5. Tachydromiina; . . 1. Tachydromia, My 1. latifascipennis, Bnm. . . 2. ferruginea, Brun 3. nepalensis, Brun 4. gentilis, Brun 5. orientalis, Brun 1 Riiriups Hnni 8. nitens, Brun 9. flavipalpi8, Brun. 10. nigronitidus, Brun 11. brunnipps, Brun 6. Parahybos, Kert 1. flavipes, Brun Subfam. 2. Empinte 1. Rbamphomyia, My 1. unifasciata, Brun. . . . 2. bimalayana, Brun. . . . 3. griseonigra, Brnn. . . . 9 Tfrrmis T,imn 2. Tachjpeza, Mg 1. palliditibiae, Brun 2 incisa Brun. 3. Drapetis, My 1. variegata, Brun 2. discoidalis, Bezzi . . . . 3. bre'vior, Brun 4. fascifemorata, Brun. . . 5. rotundicornis, Brun. . . 6. rufipes, Brun 4. Elaphropeza, Mncu 8. 4. ] . amplitarsie, Brun 2. albobalteralis, Brun. . . 3. carbonaria, Brun 4. squaniata, Brun 1 . basalis, Bezzi . . '2. bicoloripes, Brun 3. fulvitborax, Wulp 4. ferruginea, lirun 5. metatarsata, Bezzi .... 6. variegata, Brun Fam. 10. LONCHOPTERIDJE . . 1. Lonchoptera, My 5. ceylonica, Bezzi 6. griseonigra, Brun 7. centralis, Brun 8. subcilipes, Brun 9. rostrata, Brun 10. raarginata, Brun 11. elegans, Brun 12. iuconspicua, Brim Hilara Mg . 1. luU'a. Panz. . . . . . Fan). 11. PLATYPKZIDJE 1. Platypeza, My 1. argyrogyna, Meij 1. conipacta, Brun 2. bares, Walk 3. rutithorax, lirun. . . . 4. peshawarensis, Brun. . Howlettia, Brun 1. flavipes, Brun OEDER DIPTEEA. SUBORDER BRACHYCERA. INTKODUCTION. IN the first volume devoted to the Diptera in the "Fauna of British India" Series, the two great suborders, ORTHORRHAPHA and CYCLORRHAPHA, into which the order is now generally divided, were sufficiently characterised, and a comparison was also given between the NEMATOCERA and BRACHYCERA, into which the first suborder is subdivided. The earliest writers divided the Diptera into NEHOCERA and BRACHTCERA, of subordinal rank based mainly on palpal and antennal characters, and not on those of the venation or early stages, this classification finding favour until towards the close of the last century. Nowadays the old series of hrachycerous families is split at or near the LO^CHOPTERID^;, all those from the STRATIOMYIDJE to that family being included in the ORTHOREHAPHA BRACHYCERA ; the remainder, consisting of the PLATYPEZID^E, PIPTJNCULID^E, SYRPHID^E, CONOPID.E and CEsTRLoa:, the enormous family MUSCID^E (sensu latissimo), and the pupiparous Diptera (the last-named forming in themselves a separate group of uncertain rank) constituting the CYCLORRHAPHA. One anomalous family, the PHORID^E, is by some placed next the LONCHOPTERID^E in the ORTHORRHAPHA BRACHYCERA, and by others next to the MUSCID.E in the CYCLORRHAPHA. The formation of groups of higher rank than families has received the attention of many dipterologists of note, and Verrall gives an excellent resume of Brauer's (1883) and Osten-Sacken's (1896) views. Verrall himself admitted that there were several points in Brauer's tables that were not clear to him and others with which he could not agree, and it may here be observed that Brauer's primary divisions or suborders of ORTHORRHAPHA and CYCLOHRHAPHA have been criticised as lately as 1907 by Prof. Miall. Verrall, in noting this in a footnote, adds, " I quite agree with this distinguished savant in considering the two divisions, ORTHORRHAPHA and CYCLORRHAPHA, at present incom- prehensible" (Dec. 1908). I find myself in the same predicament, and, personally, biological affinities notwithstanding, I have an instinctive leaning towards regarding all the families from the STRATIOMYIDJE to the MUSCID^E, and the PHORID^E, as more closely related one to the other than are a certain number of them related 2 BRACHYCERA. to the NEMATOCERA ; in other words, I hesitate to abandon the " old-fashioned " classification of NEMATOCERA and BRACHYCERA, pur et simple, with the PUPIPARA as a third group, either of equal rank with the other two or as a subordinate section of the BRACHYCERA. The NEMATOCERA and BRACHYCERA are certainly natural divisions, and Osten-Sacken believed that the characters distin- guishing them were of more fundamental importance than those separating the ORTHORRHAPHA and CYCLORRHAPHA ; he regarded them as of equal ordinal rank with the CYCLORRHAPHA. Williston, on the other hand, considers there is " no distinct limitation between the NEMOCERA and BRACHYCERA,"* but, according to Verrall, the shape of the anal cell provides an infallible character in all those cases in which doubt could possibly arise. It is quite evident, however, that these two groups have always been perfectly clear to most dipterologists from the.fact that no dispute has ever arisen as to the group to which any particular family belonged ; whilst, on the other hand, authors are by no means in agreement as to where the ORTHORRHAPHA NEMATOCERA end and the BRACHYCERA, in the restricted sense, begin. How- ever, these questions of biological affinities amongst the higher divisions can only be approached by those possessing an intimate knowledge of all the families, and it Mould be out of place to attempt any discussion of the subject in a work restricted to the consideration of a limited number of families. For the purposes of the present work it will be sufficient to give, in abbreviated and slightly modified form, Brauer's divisions of his CYCLORRHAPHA : — 1. Head not flattened, more or less hemispherical, placed perpendicularly to longitudinal axis of body; mouth placed below. Eyes always pre- sent. Dorsal and ventral segments of abdomen well developed, the connecting membrane con- cealed. Imagines living; free, non-parasitic .... 2. Head flattened, placed in longitudinal axis of body ; mouth similarly placed, projecting forward. Eyes present or absent. Dorsal and ventral plates of abdomen very small or absent, owing to pre- ponderance of connecting membrane. Imagines parasitic PCPIPARA. 2. Frontal bladder-seam running round only upper side of base of antennae, narrowly surrounding the lunule, the bladder -seam being therefore restricted, the bladder existing or rudimentary. Jowls not separated from the superiucumbeiit cheeks. Anal cell long and pointed 3. * Manual N. Amer. Dipt. 3rd ed. p. 59. INTRODUCTION. 3 Frontal bladder-seam semicircular, forming above the lunule a distinctly margined upright arch, usually running steeply downwards over middle of face, usually separated and distinctly sepa- rating the cheeks and jowls at the sides. Anal cell generally short and often subequal in length with 2nd basal cell EUMYID.S:. 3. First posterior cell always closed. Vena spuria present . SYKPHIDJE. First posterior cell always open. Vena spuria absent 4. 4. Arista terminal PLATYPEZID^;. Arista dorsal PIPUNCULHXS:. The two latter families were left in the same divisional group by Brauer, but are easily separated by the character given above. It must be confessed that the table of groups is difficult to put to practical use, especially by a beginner. The EUMY.IDJE, unfor- tunately given a family termination, is a combination of the CONOPIDJE, (ESTBID^, arid MUSCID^E, all of which are regarded in the present volume as good and separate families. The PUPIPARA, it is understood, consist of three distinct families, HIPPOBOSCID^E, NYCTEBJBIIDJE, and STKEBLID^E. The superfamilies herein admitted are those recognised by Verrall in his second published volume on British Diptera, and the following table of them is wholly drawn from that work : — Table of Superfamilies. Three equally well-developed pad-like pulvilli. Species absolutely eremochaetous (i, e., strong bristles on head and thorax entirely absent) .... EREMOCHJETA. Two pad-like pulvilli only, the empodium being sometimes absent or sometimes represented by a bristly hair. Species not truly eremochtetous . . 2. Basal cells long, the anal cell being open or long and pointed, because the branches of the 5th vein only gradually diverge, and the upper branch is usually connected with the discat cell by the posterior cross-vein, though sometimes (BoMBY- LIID^E, SCENOPINIDJE, etc.) it forms a part of the lower margin of the discal cell : wing-venation usually elaborate. Cephalic bristles on frons and vertex not strongly developed, though sometimes visible in ASILIDJE. Often large or very large species and seldom small, and when small usually with long pubescence among the stronger bristles 3. Anal cell short except in a few EMPID^E (HYBO- TiN-ff;) and shorter than the preceding basal cell (when that is present), and the upper basal cell rather long in the EMPID^: only ; 5th vein with its lower branch recurrent (except in the HYBOTINJE) and its upper branch quickly lost 4 BKA.CHYCEKA.. in the 4th vein ; 3rd -vein simple except in a few EMPIM3 ; posterior cross-vein quite absent ; posterior cells apparently never more than four, but usually less ; wing- veins altogether few and simple; alula obsolete. Face bare or only slightly pubescent in the MICHOPHONA, but with peristomal bristles in LONCHOPTERIDJE and side or genal bristles in PHORID^E, but with no face beard or pubescence as in ASILIDJE. Cephalic bristles usually strongly developed. Species always small and distinctly chseto- phorous • 5. 3. Aerial species, almost always clothed with dense furry pubescence. Legs thin and only suitable for alighting, and consequently armed with little more than spicules (not true bristles) on the femora and tibise. Eyes nearly always touching in the c? (holoptic) and never bulged out because of a sunken vertex TROMOPTEUA. Pedestrian species, usually armed with strong bristles and only occasionally (Laphria, Isopogon, etc.) clothed with dense coarse pubescence ; or (!)ER- MATINA) bare of both pubescence and bristles. Legs strong, usually armed with strong bristles on at least the tibise and tarsi. Eyes almost always widely separated in both sexes (dichoptic), and frequently bulging out because of the deeply sunken vertex 4. 4. Eremochsetous species in the sense that there are no strong bristles on any part of the thorax or scutellum DERMATINA. Chsetophorous species in the sense that there are strong and usually numerous bristles on the thorax, scutellum, and legs, or at least on the sides of the metauotum, except in the few cases in which dense coarse pubescence is substituted. ENERGOPODA. 5. Wing-veins (including cross-veins) fairly normal, or else the 2nd and 3rd veins extended almost to the wing-tip. Antennae with three (or rarely two) joints obvious, besides any style or arista. . 0. Wing-veins extremely abnormal and quile distinct from those of any other Diptera ( except A spistes in the BIBIONIDJE) ; anterior veins up to the 3rd vein strong and conspicuous, running into the basal half of the costa, but the subsequent veins very faint and incomplete and abnormally directed ; 4th, oth, and anal veins very difficult to trace. Palpi porrect, not jointed. Eyes widely and equally separated in both sexes. Antenna? apparently composed of one large joint, which bears a very long apical or dorsal arista. Hind legs long and the femora flattened HYPOCERA. Wing rounded at the tip ; venation fairly normal, with the 2nd vein ending considerably before the wing-tip, and with at least one apparent cross-vein well out towards the middle of the wing, causing the discal cell to be present even if extended back to the wing-base. Face, rnouth- margin, and jowls without strong bristles. Thorax rarely with a soft pubescence. Eyes of the J sometimes touching or approximated. Imagines always predaceotis MICROPHONA. Wings pointed at the tip ; venation abnormal, as the 2nd and 3rd veins end close together almost at the wing-tip ; no obvious cross-vein, and the discal cell absent or reduced to a short middle basal cell. Face with strong bristles round the niouth-margin. Thorax with bristles but no pubescence. Eyes widely and equally separated in both sexes. Antennae short and porrect, with a long subdorsal arista. Colour always dull yellowish, brownish, or greyish, but never green or metallic ACROPTERA. Verrall incorporates in the above table the sixteen families of BRACHTCERA which occur in Britain, as well as the seven super- families, which accounts for characters of minor value often being added, but it has seemed better to give his actual diagnoses of the higher groups in full than to attempt to abbreviate them. One or two terms in the venation and so on are changed for the purpose of preserving uniformity with ray previous volume. His table (pp. 14 to 30) is illustrated with typical figures and is a veritable epitome of the salient characters of the BRACHYCERA. Coming to families, there has been less difference of opinion amongst authors than as regards the higher groups, probably because the characters are drawn solely from the perfect insects. The exact rank of the CCENOMYID.E and XYLOPHAGID.E as families has been questioned, and the affinities of the LONCHOPTERID.S; and PHORIDJE have given rise to considerable discussion. Notes on these points will be found under the respective family headings. I follow Osten-Sacken and Verrall in placing the XYLOMYIN^E subfamily of XYLOPHAGID.E in the STBATIOMYIDJE, and the remain- ing subfamily, the XYLOPHAGINJE, in the LEPTID^, to which family also the COZXOMYIDJE are referred as a subfamily. Some authors have desired to remove the MYOPINJE subfamily from the CONOPID.E to the MUSCID^; and also to disband the CEsTRiD-j; altogether and spread the genera amongst the MusciDjE, but with these views I cannot concur. Of two other families the taxonomic rank has been occasionally disputed, the ACANTHOMERIDVE and APIOCERID.E, but as neither group occurs in the Orient they need not be discussed here. The former family contains the most gigantic flies known, so far as bulk goes, measuring up to 40 millimetres in length and 80 milli- metres in expanse of the wings, and they are confined to the Neotropical liegion. They are allied to the STRATIOMYID^E, LEPTIDVE, and TABANID.*:. The APIOCERID.E are akin to both the MTDAID^E and ASTLIDJE. Both these groups are now admitted to be of family rank. BRAC1IYCEKA. Table of all Families of Diptera except the NEMATOCEKA. 1. Body not of leathery texture. Head free ; mouth generally well developed, with a more or less prominent proboscis. Two palpi and at least two oral bristles present. Femora approximate at base. Abdomen distinctly segmented. Oviparous or larvi- parous ; in perfect state never parasitic on warm-blooded creatures 2. Body of leathery texture. Head placed in a curved excavation of the thorax or bent back upon the thorax. Mouth very imper- fect ; palpi absent. Abdomen indistinctly segmented. Femora at base remote, through the broad mesothorax ; claws well deve- loped. Parasitic during pupal and imaginal stages in warm-blooded creatures (mammals and birds) 23. 2. Three distinct pulvilli. Absolutely eremo- chsetous species (i. e., no strong bristles on head or thorax as compared with pubes- cence) 3. Two pulvilli (sometimes obsolete or absent).* Species not truly eremoehaetous, and often with dense furry pubescence, or bristly . . 8. 3. Third antennal joint annulated, Eyes in $ normally contiguous or very approximate (except in most NKMESTRINIDJE) ; in $ wide apart 4. Third antennal joint not annulated (except XYLOPHAGINJE). Eyes in $ generally contiguous 7. 4. Posterior cells not parallel with hind margin of wing t- " Diagonal " vein never present. Eyes in $ normally contiguous 5. Posterior cells parallel with hind margin of wing. " Diagonal ' ' vein generally present ; wings often reticulate. Eyes in <5 gene- rally separated ." Nemestrinidae, 5. Tibiee with at least middle pair spurred [p. 144. (indistinctly in ACANTHOMKRIDJE). Veins not crowded together in anterior part of wing. Ambient vein present (thin in ACANTHOMKRIDJE). Scutellum unspined. 6. Tibiae without spurs (except in XYLOMYINJE and some BERING). Veins crowded to- gether anteriorly (except XYLOMYIN^: and BERINJE). Ambient veiii absent or * Middle one sometimes shorter in NEMESTRINID.E, but always pad-like. t Some CYRTID,K form exceptions, but the enormous thoracic squamae, globular bodies, and general appearance of this family at once distinguish them. INTRODUCTION. 7 incomplete. Scutelluru often with two or four (rarely six or eight) spines on margin. Stratiomyidae, 6. Antennae flagellilbrm. Fourth posterior cell [p. 17. closed. Wing with marginal space of last submarginal cell at most twice that of immediately adjoining cells. Squamae almost obsolete. Perfect insects never blood-suckers Acanthomeridae. Antennae normally sickle-shaped, rarely fla- gelliform or otherwise formed. Fourth posterior cell nearly always open. Wing with marginal space of last submarginal cell at least three or four times that of immediately adjoining cells. Squamae very large. Adult females always blood- suckers ". Tabanidae. 7. Posterior tibiae always spurred. Body gene- rally elongate, abdomen never balloon-like. Eyes in <$ contiguous, in $ wide apart ; head of normal size and shape. Thoracic squamae normal. Venation as in TABA- NIDAE, except that the anal cell is some- times open Leptidae, p. 100. All tibiae unspurred or with very short blunt ones. Body short, rounded ; abdomen often balloon-like. Eyes in both sexes contiguous ; head very small, inconspi- cuous, depressed, nearly all eyes. Thoracic squamae enormous. Venation eccentric and complex Cyrtidae, p. 157. 8. Basal cells long, at least one-third the length of the wing. Anal cell (sometimes called the third basal) open, or long and pointed. 9. Basal cells short (except in HYBOTIX^E). Anal cell shorter than preceding cell, when that is present. Third vein never forked, except in some EAIPIDJE 18. 9. Posterior cells parallel with hind margin of wing. Second longitudinal vein (and some- times upper branch of third also) ending in first longitudinal near its tip. Antennae generally clavate at tip. Eyes in tf dis- tinctly separated Mydaidae. p. 314. Posterior cells not parallel with hind margin of wing. Second longitudinal vein ending in first only in APIOCKRIDJE and some ASILIDJE ; in all other families ending in wing-margin. Antennae not clavate at tip. Eyes in J contiguous or well sepa- rated 10. 10. Upper branch of 4th vein ending before wing-tip 11. Upper branch of 4th vein ending below wing-tip 12 11. Venation more complex. Five posterior cells, the 4th closed. Eyes in tf always wide 8 BRACIIT.CEKA. apart, but less so than in £ . First longi- tudinal vein receiving others in it before its tip. Thorax and scutelluni with strong bristles arid pubescence ................ Apioceridae. Venation simple and reduced. Three pos- terior cells. Eyes in <$ contiguous or very approximate. First longitudinal vein never receiving others in it. Species quite destitute of bristles or pubescence ...... Scenopinidae, 12. Five posterior cells. Chsetophorous species, [p. 310. generally very pubescent also .......... 13. Three or four posterior cells. Eremochsetous species, except BOMBYLIIDJE and some * 14. 13. Vertex of head deeply sunken between the eyes, leaving the latter very prominent. Eyes in <^ always separated ............ Asilidae . Vertex not sunken, therefore eyes not pro- minent. Eyes in cT contiguous or closely approximate .......................... Tnerevidae, p. 295. 14. Third longitudinal vein generally forked. Posterior cross-vein absent. Eyes in $ normally contiguous in typical groups, but distinctly separated in ANTHRACIN^: ; con- tiguous in both sexes in Systropus. Often densely furry species .................. Bombyliidae, p. 173. Third longitudinal vein never forked. Pos- terior cross-vein present. Eyes in tf con- tiguous or approximate, except rarely; but in CONOPIDJE wide apart in both sexes. Normally not densely furry species, except in some SYRPHID^E .................... 15. 15. Proboscis rigid and geniculate. First pos- terior cell closed ; antennae with apical style (CONOPIN^E), or first posterior cell open ; antennae with dorsal arista (MYOPIN.S:) .......................... Conopidae. Proboscis soft. First posterior cell closed or open. Antennae of very various formation. 16. 16. First posterior cell closed. Vena spuria pre- sent (sometimes very faint). Eyes in both sexes of normal size and nature .......... Syrphidae. First posterior cell open. Vena spuria absent. Eyes in both sexes very large (especially in PIPUNCUI.IDJE) ; some of the facets often enormously enlarged .............. 17. 17. Arista dorsal, 3rd longitudinal vein well curved ; * apical section of 4th vein curved downwards; hind tarsi never dilated .... Pipunculidae. Arista apical, 3rd vein nearly straight ; apical section of 4th vein curved inwards. Hind tarsi dilated .......................... Platypezidae, 18. Venation abnormal ; t no obvious cross- vein [p. 390. * Nearly straight in Chalarus. t Except in Opetia, a non-Oriental genus. INTRODUCTION*. 9 well out on disc of wing. Eyes in both sexes wide apart 19. Venation fairly normal (reduced in DOLICHO- PODIDJE) ; at least one obvious cross-vein well out on disc of wing. Eyes in rf con- tiguous, approximate, or wide apart 20. 19. Second and third longitudinal veins long, nearly parallel. Wings Idng, tips pointed ; venation different in the sexes ; no wing- less species - Lonchopteridae, Second and third veins united in one rather [p. 387. short strong vein. Wings short, tips well rounded ; venation similar in both sexes ; some species wingless Phoridae. 20. Discal cell united to 2nd basal cell ; basal cells very short or obsolete. Third longi- tudinal vein diverging from a swelling near base of wing; anterior cross-vein at same spot ; third vein never forked. Pro- boscis soft. Arista or stvle dorsal or apical. Abdomen normally 5- or 6-segmented. . . . Dolichopodidae. Discal and second basal cells separate (except in a few EMPID^:). Basal cells generally long enough to be obvious. Second and third veins diverging well away from base of wing ; third vein not forked, except in some EMPIDJE. Proboscis rigid or soft . . 21. 21. Antennal style present or absent ; arista, if present, generally dorsal. Proboscis gene- rally rigid, pointed. Abdomen normally 7-segmented. Second and third longi- tudinal veins diverging at one-third of the wing ; third vein often forked Empidae, p. 321. Antennal style never present ; arista, when present, nearly always dorsal. Third vein never forked 22. 22. Proboscis rudimentary ; palpi rudimentary or absent. In larval stage always parasitic on mammalia '. CEstridae. Proboscis and palpi always distinctly pre- sent. In larval stage rarely parasitic on mammalia Muscidae (s. hitiss.}. 23. Head folding back on dorsum of thorax. Wingless species. Parasitic on bats .... Nycteribiidae. Head not folding back on thorax. Winged or wingless species. Parasitic on birds and mammals , 24. 24. Antennae reduced. Wings with distinct parallel veins ; cross-veins often present. Claws simple. Nearly all the species parasitic on bats Streblidae. Antennae generally more elongate. Wings, when present, with veins crowded together anteriorly; cross-veins short and near base of wing. Claws large. Parasitic on mammals and birds Hippoboscidae. 10 BEACHYCEEA. The external characters of the BEACHYCEEA and CYCLOEEHAPHA exhibit as much, it' not greater variation than those of the NEMATOCEEA. As the introduction to the previous volume on Diptera dealt with characters common to 4he order generally, those pages may be consulted in conjunction with the present summary, which is confined to the BEACHYCEEA and those families of the CYCLOEEHAPHA treated of herein. The eyes in the higher BEACJIYCEEA and higher CYCLOBEHAPHA are generally contiguous or subcontiguous above in the male, and such flies are said to be holoptic, the eyes in the female being distinctly separated hy a comparatively broad Irons, but exceptions are numerous. Diptera in which the eyes are well separated in the c? are called dichoptic. The CYETID/E have contiguous eyes in both sexes (with rare exceptions), and in some cases the eyes are contiguous both above and below ; the MYDATD^, ASILLIXI;, DOUCHOPODIM:, LONCHOPTEEIDA-, and COXOPIDJE have the eyes equally conspicuously separated in both sexes. The lower ANTHO- MYJNJE and practically all the ACALYPTEATA are also dichoptic. The eyes may be pubescent or bare, this being sometimes a sexual character, and iu life they are often green (Hcematopotci) or golden green (Chrysopihts), and in many species of TABANIDJE, ASILID^E and some other groups bear brown or purple bands. In many groups the front facets are from just perceptibly to very con- siderably larger than the rest in the c? , and of uniform and smaller size in the 5 , but in the PIPUNCULID.E the front facets, though enlarged more than usual in the d , are yet more enlarged, and to an enormous extent, in the 5 . In some PUPIPAEA the eyes are absent ; in CYETID.E and PIPUNCULID.E they occupy practically all the head, no other parts except the antenna? being visible in profile in some species of both families. Three ocelli are normally present in all the BEACHYCEEA, but they are occasionally absent (CONOPIN^E). The lower part of the head, or epistome, exhibits a wide range of shape and size, from being barely or not at all produced beyond the eyes in profile either forwards or downwards (as in most PIPUNCULIDJE) to forming a long strong conical rostrum (Nemotehts in STEATIOMYIDJE ; Khingia, Volucella, Lycastris in SYEPHIDJE). The face frequently has a central bump, as in most SrEpHiD^E, or it may be less prominent, gently curved, or flattened. The mouth- parts attain their highest development in the TABANID.E, a family in which the females of all the species have the reputation of being blood-suckers. The parts of the female Tabanid mouth consist of the labiuin or lower lip, a pair of maxilla? and of mandibles, strong piercing organs, and a pair of large, fleshy, conspicuous, approximately conical maxillary palpi.* The pro- boscis in the BEACHYCEEA is usually soft, and formed for sucking the juices of plants or animal matter, but it is not infrequently of enormous length, longer than the whole body and of extreme * Compare ' Indian Diptera,' i. p. 18. INTRODUCTION. 11 slenderness, and in this state either adapted for piercing the skin (PANGONIA) or for imbibing the juices of flowers (NEMESTRINID.E, CYRTIILE, and many BOMBYLID^E). Occasionally it is long, rigid, and geuiculate (CONOPID.E). Biting flies are distributed throughout many brachycerous and cyclorrbaphous groups. S>/niphoromyia, in LEPTIDJE, has been definitely proved to bite man severely on occasions ; the TABANIILE generally confine their unwelcome attentions to the larger mammals, though one genus, Hcematopota, widely distributed throughout the world, its natural home being apparently Africa, is very prone to attack man. The strong horizontal horny proboscis of the Stomoxys group of true Muscinids is well known, as are also the tsetse-flies (Glossina) inhabiting Africa, these being the carriers of sleeping- sickness. Philtematomyia, a genus of Muscinid flies, possesses a circlet of teeth-like projections at the tip of the proboscis with which, even if unable actually to pierce the skin, it can easily enlarge an abrasion already made. The proboscis in not a few genera is rudimentary, in some almost obsolete, as in (EsTRiDTE, the members of which family cause cattle instinctively the greatest terror on their approach for the purpose of depositing their eggs on the animals' mouths, nostrils, etc. An isolated case occurs here and there of a genus with a strong rigid proboscis in a group in which the organ is normally soft arid fleshy, as Drymeia in the ANTHOMYINJE. The ASILID^E and EMPIIXE are two other extensive families generally possessing a rigid horny proboscis, with which they easily pierce and carry off their prey, consisting of softer Diptera and other insects. The labella, sometimes called " sucker- flaps," vary in size, shape, and strength, sometimes being small and soft, in other cases acting as organs of attrition to rub off small particles of food. • The palpi, apart from those of the NEMATOCERA, consist usually of two joints, in some highly specialized families of one only, these being the maxillary pair, the labial palpi being considered to be absent in the Diptera. Though large and prominent in some families (TABANID^), it is often difficult in others (BOMBYLILU^E, THEUE- VID^E, ASILULE) to examine them without removing the dense furry or bristly pubescence characterising these groups. However, in most of the BRACHYCERA the location of any genus or species can be readily ascertained without reference to these organs. They are normally porrect, i. e., directed horizontally forwards, especially in the blood-sucking Muscids, but frequently project more or less downwards, and they may be present or absent, respectively, in genera of considerable affinity, whilst in the CYRTIDJE they are generally obsolete. As regards the antennae, a gradual change takes place from the many-jointed elongate flagellum of the NEMATOCERA to the compact three-jointed form of the bulk of the remainder of the Diptera, the 3rd joint often being the only conspicuous one.* In the * For comparative notes on the antenna; in NEMATOCERA and BRACHTCERA, see ' Indian Diptera,' i. p. 20. 12 BRACHYCERA. earlier families of the BRACHYCERA (STRATJ.OMYID.E, TABANIIWE, some LEPTHLE, etc.) the third joint is usually anuulated, that is, faintly separated by more or less distinctly impressed lines into several divisions, generally eight or five, and in this character considerable resemblance is apparent to the nematocerous families BIBIONID^E, SiMULiiDJE, and liiiYPHiD^. These annulations in subsequent familes of BIIACHYCERA gradually disappear in an obviously single elongate joint, as in many BOMBYLIID^;, THERE- TID^E, and ASILIDJE, with or without a more or less distinct one- or two-jointed apical style ; and in later families still, the 3rd joint is further shortened and may bear either a style or arista. The arista, the bristle-like hair situated on the upper side of the 3rd joint, makes its appearance in the very first brachycerous family, the STRATIOMYID^,* and is present in one or more genera in probably all the subsequent families, with a few exceptions (TABANIDjE, ACANTIIOMERIUJE, SCENOPJUSTD^, MYDAIDjK, and APIO- CEKIUM), and of these, all except the first are groups of quite limited extent. The arista is at first (STRATIOMYID./E, LEPTID^E) mainly apical or subapical, afterwards either apical or dorsal in the same family, and, finally, mainly dorsal (DOLICKOPOUID.E), which is its normal nature in the remaining brachycerous families and in the CYCLORRHAPHA. The arista may be quite bare, pubescent to a varying degree, or conspicuously plumose. In the great majority of BRACHYOERA the two basal antennal joints are differentiated from the 3rd in the na.ture of the scapal joints in NEMATOCERA, and are usually short, bearing short bristles, cylindrical or, especially the 2nd, more or less cup-shaped ; but in the 3rd joint the most varied forms exist even in a single family, this being especially the case in the STRATIOMYJD^E, BOMBYLIIDJE, and SYRPHIDJE. Briefly, the 3rd joint may be elongate-cylindrical (annulated or not), strap- shaped, filiform, tapering, conical, tooth-shaped, oblong, rounded, oval, renit'orm, globular, or of irregular shape. In one aberrant genus (llhachicerus in LEPTID.E) it is strikingly pectinate, recalling Pstlliopliora in the NEMATOCERA, whilst in Talnrocera, a genus of North American Tachinids, the 3rd joint in the female is of an extraordinarily fantastic shape. In the CYCLORRHAPIIA the two basal joints are normally as in the BRACIIYCERA, though the 3rd joint again shows the same extreme range of variety in the two largest families, SYRPHID.E and MUSCID^E, but remains of remarkably uniform, though peculiarly characteristic, form in others (PIPUNCULIDJE, PLATYPEZIDJEJ. In these groups it may bear a short style or an arista. The 1st and 2nd antennal joints sometimes depart from their more or less general form, the former being exceedingly long and cylindrical in Systropus and conspicuously so in Stmtiomyia, the 2nd showing unusual develop- ment in certain genera. Coming to venation, it will be observed that in the BRACHYCERA * The only nematocerous family in which the arista appears is the OUPIINE- piiiLiD.E, a group of about hall' a dozen species, and as it consists of several joints it is perhaps not truly identical. IXTKODCCTION. 13 several characters adopt nearly the opposite form to that in the NEMATOCEEA. Of these perhaps the principal is the anal cell, which is always wide open in the NEMATOCEBA, normally widening towards its tip, whereas in the BBACHYCEBA, it normally contracts towards its tip, frequently very strikingly so ; and in a large number of genera it is completely closed more or less near the wing-margin, either by the gradual approximation of the 5th and 6th veins or by the lower branch of the former turning down, frequently at ar sharp angle or well-rounded curve, often in the latter cases closing the cell some distance from the margin of the wing. In the higher families of BBACHYCEBA the anal cell is very elongate, extending generally to the wing-margin, but in sub- sequent families, notably the EJIPIDJ:, it is considerably shortened through the almost or quite recurrent ending of the lower branch of the 5th vein in the anal vein at or before the middle of the latter, whilst in DOLICHOPODIDJE and LOXCHOPTEBIP^; it is shorter still. It increases in length again in two out of the three first families of the CYCLOBBHAPHA, though it is short in one of them (PLATYPEZIDJE), whilst in the higher Muscids it is always com- paratively short, and in the lower MUSCIDS normally short or absent, although conspicuous exceptions occur (some OETALIN^E and TBYPETIN.E, for example). In the CONOPID^;, one of the two families* that may be regarded as forming the transition from the BBACHYCEEA-like CYCLOREIIAPHA to the MUSCIDJE (s. latiss.) it is long in the CONOPIXJE and short in the MYOPI^E, which tends to prove the intermediate nature of the COXOPID.!. The auxiliary and 1st vein are generally obviously present, separate and simple, but in some groups of ACALYPTEATA they are frequently coalescent.f The 2nd vein is nearly always very prominent and simple ; the 3rd, which is nearly always simple in NEMATOCEBA, is normally forked in the higher families of BEACHY- CEEA. The 4th and 5th veins in these latter families are generally both forked, but in the highest three families of the CYCLOREHAPIIA (PLATYPEZIDJE, PIPUNCULLELE, and SYEPHiDJE) there are normally only three endings to the two veins, in which cases it is the 5th vein that is considered forked, its upper branch forming part or the whole of the hinder side of the discal cell. This cell in the NBMATOCEEA is confined to the TIPLTLID.E and BHYPHID.E — that is to say, the two families generally placed next to the BEACHYCEEA, in which latter the cell is a standard feature, though exceptions occur (some EMPIIXE), — and it is prominently retained in the calyptrate Muscids and the bulk of the ACALYPTEATA. The anterior cross-vein is nearly always present, though rudimentary in some STBATIOMYID.E ; bufc the posterior cross-vein disappears after the higher families are passed, if the theory of the forked 5th vein be upheld.J * The other being tiie CEsriun.E. t They are then called the 1st vein, following Schiner. J It may as well be stated here that I am by no means convinced that this is the correct interpretation. 14 BRACHYCERA. The brachycerous venation attains its most perfect form perhaps in the TABANID.E, and it is elaborated most in the ASILIDJE, NEMESTRINID.E, MiDAio.£, and CYRTiD*! (despite the latter family also exhibiting some very simple venational types), being quite eccentric in the last three families, many of the longi- tudinal veins in the hinder part of the wing running more or less pai-allel to the hind margin; whilst in certain genera of NEMESTRINID^ an additional character is the net-like system of very numerous small cross-veins. An isolated instance of a cell being subdivided hy numerous cross-veins occurs in Lycastris (SYRPHID^), in which the subcostal cell is so divided. After the BRACHYCERA the venation becomes more simplified, and is, speaking broadly, remarkably uniform in type throughout the MUSCID.S, in the higher groups of which (Tachinicls, Dexiids, Sarcophagids, and Muscinids) the 1st posterior cell is quite or nearly closed by the upturned apical section of the 4th vein, whilst in the ANTHOMYINJE and the various subfamilies forming the ACALYPTRATA that cell is broadly open. Numerous minor differences occur in these groups, but the type of venation remains the same. Passing on to the PUPIPARA, some genera may be observed to possess peculiar venation, but they need not be discussed here. The general form of the body exhibits the widest diversity. The head may be variously proportioned to the body, perhaps attaining its minimum of size in the CYRTIDYE and its maximum in PIPUXCULID.E, but normally it is approximately of the same width as the thorax and usually more or less semicircular. The thorax and abdomen both vary greatly in length and breadth in relation to one another, and range from the flattened form in some STRATIOMYIDJE to the humped thorax in many EMPID.T; and to the globular or balloon-like abdomen in most CYRTID.I, the whole body in many species of the latter family being practically spherical. As regards vestiture, a short pubescence over the greater part of the thorax and abdomen is common to the vast majority of genera in BRACKYCERA, a few restricted groups being for all practical purposes absolutely bare (Scenophins). The earlier families are erernochsetous — that is, possess no distinct bristles of a chaetotactic nature on the head or thorax ; but such bristles gradually appear in successive families, as witnessed by the apical spurs on the tibiae in LEPTID.E, spicules or stick-like spines on the legs in some BOMBYLIIDJE, and real bristles and spines in that family, in DOLICHOPODID^, EMPID.E, and THERETID;E, culminating in the powerful chsetotactic system in most ASILIDJE ; after which these characters gradually diminish or practically disappear (as in PIPIINCULIDJE and SYRPHIDJS), reappearing and attaining probably their greatest development in the order in the TACHININ.E, the highest group of the MTTSCID^E («. latiss.). The pubescence, always soft in STRATIOMYIDJE, attains its greatest development perhaps in BOMBYLIID^:, THEREYID.E, and ASILIDJE ; and true INTRODUCTION. 15 scales, covering sometimes extensive parts of the body or legs, are common in many genera of BOMBTLIID.S and TIIEREVID^E. The vestiture of the legs varies from practical bareness, through the whole gamut of soft and fine to a long and ragged pubescence, bristles, spines, scales, and tooth-like serrations (the latter generally confined to the underside of the femora), all of them often forming good generic or specific characters. As a rule, aerial species (that is, those that are frequently on the wing and addicted to hovering) possess soft pubescence on the body and weak legs devoid of strong bristles, as they are presumably employed mainly for alighting ; whereas, on the contrary, pedestrian (which frequently means predatory) species mostly possess strong bristles or spines, and powerful legs capable of running swiftly and surely and of holding their prey when captured, and possessing comparatively reduced powers of flight. Compare, for instance, a Bombylius with an average Asilid. A peculiar character called " touch hairs " is present in certain genera of LEPTID.E, TABANID^;, and some other widely divergent groups, and this is dealt with under the genus Leptis.* The genitalia in the BRACIIYCBRA are usually more or less con- cealed in most families or are of simple form, but they afford in the <5 good taxonomic characters in ASILID.I: and DoLicHOi?ODiD^E, being fully free in the latter family ; but the genitalia are always more uniform in the $ and of little value lor classification in that sex. Life Histories.-^ Although the metamorphoses of the Diptera in general are still but imperfectly understood, considerable progress in their study has been made since the older writers (Keaumur, JJe Geer, etc.) first broke the ice, and the early stages of a comparatively large number of common species have been worked out. Taking the order as a whole, the larva may be described as maggot-like, though extreme forms of shape are far from uncommon. It generally consists of a head segment and twelve others, of which the three anterior ones are presumed to represent the thorax of the perfect insect. The head segment is often so indefinitely presented that Brauer sometimes uses the expressions " head capsule" and "jaw capsule." Even when obviously present the head is sometimes most disproportionately minute or placed below the anterior end of the body so as to be invisible from above ; also not infrequently in the flesh-feeding maggots no head can be detected with certainty. These latter forms are called acephalous, * These notes on vestiture are compiled chiefly from Verrall. t These remarks on the early stages are wholly culled from Dr. Sharp's paper (v. Verrall, p. 31). This article should certainly be studied by nil interested in the subject. In addition to a preliminary general resume of brachycerous larvae, it offers a translation of Brauer's classification of the fumilies in BRACHYCERA. based on larval characters, and, lastly, more detailed information is given on each family or group of families separately. 1G BRACIIYCERA. whilst at the other end of the scale, i. e., those larvae with unduly large heads, the term eucephalous is applied. The eucephalous kinds are the less common, but they are the normal form in the nematocerous family CULJCIM:. The head in the larvae of the majority of brachycerous families exhibits an intermediate type between the extreme forms. Many kinds of larvse have retractile heads, the front part being completely withdrawable inside the following segment or segments, Kegarding tlie mouth-parts Brauer, roughly speaking, described the lanse of the NEHATOCERA as having the jaws moving horizontally, except in cases where the mouth-parts are quite rudimentary, when the larva is peripneustic and 13-segmented. He claims for the BRACIIYCERA vertically moving jaws — sucking and boring groups coming also under this division, the head being not well developed. Brachycerous lar\ 03 with rudimentary mouth- parts are amphipneustic or metapneustic, with ten to twelve obvious segments. The number of body-segments is frequently by no means easy to ascertain, Dr. Sharp stating that there is "no morphological criterion yet discovered by which the segments can be numbered." In some cases, of course, they are obvious enough, whilst in others there are what have been termed intercalary segments, apparently consisting of the undue development of the integument between the orthodox segments, the larva? of the THEREVID.S: and SCEXO- PIKIM; being instances in which tlie apparent number of segments approximates to about twenty. The larva with the smallest number of segments appears to be that of the nematocerous family BLEPHAROCERIDJE, in which only five or six are present. Locomotion is usually effected by means of pseudopods, as jointed legs are unknown through the whole order of the Diptera, these pseudopods being transverse swellings on the under (or sometimes both upper and under) surface of the body, and they may also be furnished with rows of bristles or small wart-like projections, placed on a varying number of segments according to the species. The spiracles in Dipterous larvae consist of a posterior pair placed near or at the tip of the body, where there is often some special development for their protection. Larvae with only one pair of spiracles, the posterior ones, are called metapneustic ; but if in addition there is a pair of anterior ones placed a little behind the head, they are termed amphipneustic: whilst when intermediate spiracles are also present, making, so to speak, three sets in all, they are known as peripneustic. The pupa-case is ordinarily the dried larval skin, the imago escaping through a longitudinal split occurring between two transverse splits, normally on the ord and 5th segments re- spectively. Further detailed information will be found under the respective families or genera concerned. STKATIOMYIIXE 17 Family STRATIOMYID^E. Head hemispherical or flattened, rather short, usually ahout as broad as thorax, generally bare. Eyes contiguous in rf (occasion- ally very narrowly separated, Saryus, etc.), wide apart in $ ; if hairy in <3 , nearly always bare in $ ; sometimes upper facets enlarged in tf , all facets equal in $ ; posterior orbits often very broad aiid conspicuous. Jb'rons seldom prominent, but lower part of head forming a conspicuous snout in some genera (Nemotelus] ; three distinct ocelli. Proboscis usually short and fleshy, some- times rudimentary, occasionally long aud thin (Nemotelus), rarely conspicuous ; palpi 1- to 3-jointed, iuconspicuous. Antenna? porrect, approximate at base, showing, perhaps, greater diversity of form than in any other family of Diptera, 3-jointed ; 3rd joint annulated, forming apparently several (up to eight) annulations ; an apical style, often very large, or an apical or subapical arista often present. Thorax generally quadrangular or roughly obloug or oval, more or less pubescent, moderately or considerably arched ; scutellum semicircular or broadened, unarmed or with 2, 4, 6, or 8 spines, occasionally produced into a prominent erect bluut coue or spine (Monaco, nthomy ia, Ceratothyrea). A strong spine on each side of thorax in some genera (Ephippiwn, Negritomyia). Abdomen of five to seven, sometimes eighr, segments ; of very varied shape, globular, much broader than thorax (Pachygastei , Acanthina, Cyphomyia) ; broader and shorter than thorax (Culena) ; quadrate (titratiomyia, Odontomyia) ; oblong or oval, and about as long as thorax (Evaza, Tinda, aud many others) ; or very elongate, linear, cylindrical, or flattened (iSargus, Jlermetia, Stratio- sphecomyia). Genital organs usually inconspicuous. Legs normally of moderate length and strength, or rather weak ; destitute of bristles or spines (except for a serration below hind femora in some XYLQMYIXJE) ; generally bare or with pubescence mainly confined to the femora ; tibia? unspurred, except in XYLOMYIN^ and some BEKINJE. Wings generally with the characteristic venation of the family (except XYLOMYIN.E and BEHIND) ; anterior veins (subcostal, Isi, 2nd, and 3rd longitudinals) crowded together in fore part of wing and the posterior veins very faint, often not reaching wing-margin. In typical genera costa nob reaching wing-tip, ambient vein absent ; 3rd vein simple or forked, fork occurring at some distance beyond discal cell, both branches ending in costa before wing-tip ; discal cell always present, lower side often formed of upper branch of 5th vein, in which case posterior cross-vein absent ; anterior cross-vein present, not distally further than middle of discal cell, joining, except in SAUGINJE, 3rd vein to discal cell. In. CLITEL- LARIIXJE, 2nd vein apparently anastomosed with 3rd or may be considered absent, lu SARGIXJE, anterior cross-vein joining praefurca and discal cell, as 2nd vein originates much later than c 18 STRATIOHYID^E. usual. Prsefurca originating in this family about opposite base of discal cell (except in BEKINTE and XYLOMYIN.-E), whereas in all other families of BRACHYCERA it originates much sooner. In BERHNOE and XYLOMYINJE all the veins attain the wing-margin ;* praefurca quite distinct ; costa nearly or quite reaching wing-tip ; ambient vein more or less distinct: 4th posterior cell closed in XYLOMYIN^E. In all subfamilies, membrane of wing always ribbed or wrinkled ; squama variable in size, thoracic pair sometimes absent. The STEATIOMYID^E are invariably bare of bristles or spines (except the side thoracic spines in a few genera), but often possess dense soft pubescence extending over the whole body and the femora. The crowding together of the anterior veins and the extremely wide variation of form in the antennae (perhaps greater than in any other familv of Diptera) are their principal characters. In the BERING and XYLOMYIN^E the venation takes the form of the other allied families and the antenna? are more uniformly constructed, elongate or subconical, with distinctly annulated 3rd joint. The family is closely allied to the LEPTID^E and TABANID^ and to the small family of gigantic flies, the ACAN- THOMERJD^:, known only from South America. Life-Mstory. — The larvae show considerable variation, though easily recognised when once seen, and those of some species are popularly known as rat-tailed maggots, as are also those of the ERISTALINYE. They are 12-segmented, including head, herni- cephalous or conical, very elongate, rather leathery, and more or less flattened. They live in earth, dung, semi-liquid or decaying matter, and many are aquatic ; in the latter case the eggs are laid on plants above the surface of the water. No pseudopods ; terminal spiracles not visible, placed wholly inside a chamber which has generally a closed or obscure aperture. Pupa coarctate, in whicli character this family differs from all other BRACHYCERA, the imago escaping through transverse slits on the 3rd and 5th segment and a longitudinal slit between them. Many species hibernate in North Europe, but very possibly do not do so in the Tropics. The life-histories of several European species are well known. The imagines frequent grass and low herbage in marshy situations and, generally speaking, are sluggish in habits, though some have a very rapid flight in hot sunshiue.f Table of Subfamilies. 1. Abdomen of at least seven obvious segments. ... 2. Abdomen of five, or at most six, segments 3. 2. Prsefurca beginning at about opposite base of discal cell ; 4th posterior cell wide open .... BERING, p. 89. Prtefurca beginning considerably before base of [p. 96. discal cell ; 4th posterior cell closed XYI.OMYINJE, * Except for an abortive branch of the 4th vein in some BEHIND. •*• Additional and more detailed information occurs under the various sub- families or genera concerned. STRATIOMYIDJE. 19 3. Fourth vein with only two terminations (i.e., only two true veinlets issuing from discal cell, the apparent 3rd veinlet being the upper [p. 19. branch of the 5th vein) PACHYGASTRINJE, Fourth vein with three terminations (i. e., three true veinlets issuing from discal cell); upper branch of 5th vein either separated from discal cell by the posterior cross- vein being present, or in punctiform contact with that cell when posterior cross-vein is absent 4. 4. Anterior cross-vein joining prrefurca to discal cell. SARGIN^E, p. 72. Anterior cross-vein joining 3rd vein, as usual, to discal cell ' 6. [p. 56. 5. Posterior cross-vein present STRATIOMYIN.S:, Posterior cross-vein absent CLITELLARIINJE, [p. 38. The line of demarcation between the two last subfamilies is very indefinite, and, as more than one author has suggested, they might well be united into a single subfamily. The posterior cross- vein is often a variable quantity even in groups in which it is technically present — for instance, it is absent in Ptecticus australis, Sch., though present in the other Indian species. Williston sinks the alleged subfamily HERMETIIX^E in CLITELLARIIK/E and his view is adopted here. Subfamily PACHYGASTHIN^. Head comparatively small ; eyes generally bare ; antennae of very varied form, branched (Ptilocera), elongate (Tinda, etc.) filiform (Stratiosphecomyia) , globular (Pachyyaster), or of irregular shape. Thorax subquadrate, oval ; scutellum unarmed or with two or four marginal spines ; sometimes produced upwards or hind wards into a strong blunt cone. Abdomen 5- or 6-segmented, of very varied shape ; often exceedingly broad, much broader than thorax, globular ; sometimes oval or oblong, or much elongated and more or less cylindrical. Legs comparatively short, slender, smooth. Wings with 3rd vein simple or forked ; posterior cross-vein absent through 5th vein forming hinder side of discal cell ; 4th vein with only two veinlets. Four posterior cells, united on wing-margin. The essential character of this subfamily is the presence of only three veins apparently issuing from the discal cell, the lower one being the upper branch of the 5th vein. Mostly bare species. Table of Genera* [p. 33. 1 . Antennae branched PTILOCERA, "Wied., Antennae of various forms, never branched. 2. For table of Oriental genera, vide Brunetti, Rec. Ind. Mu?. i, p. 89. c2 20 STRATIOMYIDJK. 2. Eyes pubescent . ACAXTHIXA, Wied., Eyes entirely bare 3. [p. 26. 3. Scutellum unspined, or produced conically upwards 4. Scutellum 2- or 4-spined, never conically upturned 8, 4. Abdomen elongate, linear, much longer than thorax ; antennae conspicuously [Brim., p. 36. long, filiform STRATIOSPHECOMYIA, Abdomen very short, thick, rounded ; antennal 3rd joint rounded or shortly elongate, never conspicuously so 5. [p. 21. 5. Third vein unforked ZABRACHIA, Coq., Third vein forked 6. f p. 20. 6. Scutellum not upturned PA CHYG ASTER, Mg., Scutellum distinctly couically upturned . . 7. [p. 24. 7. Antennae filiform, longer than head ACRASPIDEA, Brauer, Antennal 3rd joint large, round MONACANTHOMYIA, [Brun.,p. 23. 8. Scutellum with two very short spines .... WALLACEA, Dol., Scutellum 4-spined ...." 9. [p. 24. 9. Third antennal joint with elongate style . . TIXDA, Walk., p. 29. Third antennal joint with pubescent arista. 10. 10. Abdomen barely broader than thorax .... EVAZA, Walk., p. 31. Abdomen much broader than thorax CRASPEDOMETOPON, [Kert., p. 28. Genus PACHYGASTER, My. Pachygaster, Meigen, 111. Mag. ii, p. 266 (1803). Tappo, Latreille, Hist. Nat. Crust. Ins. xiv, p. 343 (1804). Neopachyffcater, Austen, Ent. Month. Mag. xxxvii, p. 245 (1901). GENOTYPE, Nemotelus atra, Panz. ; by original desiguation. Head semicircular ; eyes large, contiguous in rf (except in rare instances), practically bare, posterior orbits broad. Proboscis and palpi small and inconspicuous. Antennae short, 3rd joint rounded, with four indistinct anuulations and long subapical pubescent urista. Thorax large, broadened hindwards, transverse suture deep, V-shaped, behind which the surface is somewhat inflated on each side ; scutellum subtriangular, unspined. Abdomen much broader and barely longer than thorax, subglobular, 5-segmented ; genitalia small. Legs simple, nearly bare ; femora and metatarsi long. Winys with 1st and 2nd veins short, the latter ending barely beyond middle of costa ; 3rd vein normally forked, both branches ending well before wing-tip ; discal cell large ; 4tli vein with only two terminations ; posterior cross-vein absent, as 5th vein forms hinder side of discal cell; anal cell closed far from wing-border. lianr/e. Europe, North America, Orient. Life-history. That of several European species is known. The larva lives in rotting tree-trunks and probably ft-eds either on the decaying wood or the frass produced by wood-boring Coleoptera. 1'ACHYGASTER. — J5ABIIACHIA. 21 There is only one Indian species in the restricted genus Pacliy- g aster, namely, P. annulipes, =p. nov. Macquart's P. rujitarsis* from Pondicliery, cannot belong to this subfamily, as, according to the plate, ifc possesses three endings to the 4th longitudinal vein, apart from the upper branch of the 5th vein. 1. Pachygaster annulipes, sp. nov. 2 . Head : irons between one-third and one-fourth of the head, shining black ; face, which is conspicuously invaginated, with greyish dust ; back of head shining black. Antennae with 1st joint black, the remainder wholly bright yellow, with long arista. Proboscis dark. Thorax and scutellum shining black, dorsum of both with very short yellowish pubescence, which does not quite extend to the anterior margin of the former. Abdomen shining black, witli sparse short pale yellowish pubescence ; venter black, with sparser but slightly longer pubescence. Legs yellowish to tips of tarsi ; a rather broad subapical black or blackish brown ring on all the femora. Winr/s pale yellowish grey ; stigma darker yellow ; halteres yellowish. Length^ 2^ mm. Described from a single $ from Margherita, Assam. Type in the Indian Museum. Genus ZABRACHIA, Coq. Zabrachia, Coctuillett, Bull. X. Y. State Mus. xlvii, p. 585 (1901). G-EXOTYPE, Zobraclda polita, Coq. (North America). Differing from Pachyc/aster in the unforked 3rd vein. Some degree of latitude must be allowed in my revised Ariew of this genus, in which the species are chiefly united by the above primary character. Eyes in d contiguous (minutissima, Zett., a European species) or narrowly separated (annulifetnur , albipes). Scutellum not upturned (minutissima), barely upturned and thickened (albipes), or produced upwards into a short blunt cone {(tnwulifemur). Third antennal joint transversely elliptical (jpoliUt\ the type-species from New York) or as in. Pad tyy aster. Range. India, North America. Z. albipes has wholly pale yellow legs, while Z. annidifemur has a broad dark band on all the femora. 2. Zabrachia albipes, Brun. (PI. I, figs. 1, 2.) PacJiyyaster albipes, Erimetti, Ilec. Ind. Mus. i, p. 102, $ (1907). Pactitjyaster infurcata, de Meijere, Tijd. v. Ent. 1, p. 232, 5 (1907). $ . Head and front shining black, with a brilliant white streak on each side of lower part of head ; antennas and proboscis orunge- * Dipt. Exot. Supp. i, p. 57, pi. vi, fig. 3 (1846). 22 STRATIOMIIPJE. yellow. Thorax and abdomen shining black, with short, sparse, silvery grey hair, which is a little thicker and mixed with gold hairs on dorsutn of thorax ; abdomen uniformly black. Leys pale yellowish white, tips of tarsi faintly blackish. Wings quite clear ; veins on anterior part and the stigma pale yellowish ; halteres white. Length, 2-2 1 mm. Described from four 2 9 in the Indian Museum from Calcutta. My original description was insufficient, and my not noting the unforked 3rd vein probably prevented de Meijere from recognising my species in his infurcata, described from Java. The white tomen- tose stripe on the side of the thorax mentioned by de Meijere is present, though liable to be not readily distinguished from the general whitish pubescence of the pleurae. 3. Zabrachia annulifemur, sp. nov. J $ . Head shining black, bare ; frons at level of antennae about one-fifth of the head in d1 , in $ one-fourth width of head, sides parallel except near vertex and towards antennae ; visible only from above, a pair of moderate-sized oval silvery-white spots placed lengthwise, nearly contiguous, one above each antenna ; face with broad white-dusted band contiguous to lower inner eye- margins. Antennas brownish orange, upper side of 3rd joint blackish at tip. Thorax, scutellum, and inetanotum shining black, all with very short whitish pubescence ; scutellum produced upwards into a short blunt cone. Abdomen shininsr black ; dorsum and venter with similar pubescence to that of thorax, but less obvious ; genitalia brownish orange, with a few stiff hairs. Legs yellowish, front coxae more brownish at base ; all femora with a broad blackish ring leaving base broadly, and tips narrowly, pale. Wings colourless, veins and stigma pale yellow ; halteres yellowish, clubs shining milk-white. Length, barely 3 mm. Described from three tf rf in the Pusa collection (including type sent to British Museum) from Annandale, Simla District, "on leaves," x. 1911 ; and one $ in the Indian Museum from Simla, 7000 ft., 9. v.09 (Annandale}. This species must be near the femorata variety of de Meijere's P. infurcata, but should be distinct. In P. albipes the <5 5 . Head with eyes in J with dense yellow pubescence above and brown pubescence in front, nowhere actually touching but extremely near each other for a considerable distance, and separating upwards very gradually, leaving a very narrow elongate greyish triangle below the large black ocellar triangle which fills the space from eye to eye ; above this the rather large vertical space is orange-brown with a few black bristles ; frontal triangle smooth, shining, bare, orange ; proboscis, palpi, and labella all bright orange-brown ; antennae with first two joints orange, 8rd ACA^TIIINA. 27 blackish, microscopically pubescent, sometimes orange at extreme base with four distinct ammlations and a short two-jointed style ; occiput considerably concave, dark, with a little grey pubescence. In $ frons -g- width of head, barely broader at vertex and lower end ; frontal triangle large, very prominent, shining, bare, bright orange-brown, as is also the very broad posterior border to the eyes; a small brown spot on frons just above the suddenly widened frontal triangle. Thorax dark shining blue, punctate, with microscopic .black bristles ; in c? a single median stripe of yellow pubescence, not reaching anterior collar but leaving a shining black spot bare of pubescence, the stripe extending hindwards to middle of dorsum ; in $ two very narrow longitudinal median stripes, rather approximating to one another, formed of minute whitish pubescence, continued beyond suture a little, where they diverge and broaden, reaching posterior corners of dorsum ; a moderately broad transverse stripe of similar pubescence along suture, narrowest in middle ; a patch of short golden yellow pubescence on each shoulder and along anterior margin; pleurae as dorsum, similarly punctate and with a little grey or whitish pubescence, which is silvery white and thickest above front coxa3, on meso- pleura just below wing, and on lower part of sternopleura. Scutellum concolorous, similarly punctate, and with greyish pubescence ; spines brownish, rather short. Abdomen dark shining blue, punctate as thorax ; a little grey pubescence about front corners and sides and denser and longer about centre of hinder part of 4th segment and also about base and centre of 5th ; genitalia small, brown, two short telescopic cylindrical joints in c? , two short filaments in $ ; venter deep blue, punctate, with a little greyish pubescence. Legs : femora black, with a slight blue or violet tinge and a little whitish-grey hair below ; knees narrowly dark brown ; tibias black or dark brown, tips very narrowlv a little paler; tarsi blackish brown, middle pair distinctly paler. Wings dark brown, stigma and veins darker ; costal cell, discal cell mainly or wholly, base of 4th posterior cell (sometimes base of 3rd or even 2nd also), anal and axillary cells (sometimes hinder part of 2nd basal cell also), clear or nearly so ; halteres brownish yellow. Length, 8|-9 mm. Described from six c? d1 and one 2 i11 perfect condition from Tura, Garo Hills, Assam, 1500 ft., vii. 1917, and above Tura, 3500 ft., viii. 1917 (Kemp}; a ^ from Sadiya, Assam; a $ from Karkur Ghat, Nilgiri Hills, 1500 ft., v. 1911 (H. L. Andrcwes) ; and a second c? from TCohima, Assam, all in the Indian Museum ; and a specimen from Coorg, S. India (T. B. Fletcher). This species was given in my first paper on STRATIOMYIDJE as "auricollis, Bigot," which afterwards proved to be merely a MS. name. The gold pubescence on the front of the thorax and that forming an approximate cross on the thorax in the $ rubs off very easily. 28 STRATIOMYIDJE. 8. Acanthina argentihirta, Bran. (PL I, fig. 4.) Acanthina aryenteu, Brimetti, Ifec. Ind. Mus. i, p. 132 (1907) ; emended in Corrigendum slip of same date to argentihirta (aryentea preocc. Ost.-Sack. 1880). 3 . Head with eyes extending whole height of head, shortly but not thickly pubescent, subcontiguous at nearest point of approach, as the froiis at this point is receding, but attains the surface of the eyes towards the vertex, which is considerably raised, occupied by the ocelli ; facets rather large, of uniform si/e ; frons both above and below nearest approach of eyes, shining white; occiput, underside of head, and inner orbit of eyes below antennae white. Antenna? with first two joints black, 3rd reddish brown with blackish marks ; style thick. Proboscis shorr, yellowish, with a few hairs. Thorax with dorsum, sides, and .scutellum black, uniformly covered with short silvery-grey pubescence ; scutellum with four rather large whitish spines. Abdomen black, with short silvery-grey pubescence ; venter Mack, with short grey hairs. Le64, pi. xiv, figs. 2, 4, Itt (1913). d $ . Head twice as broad as long ; eyes in <$ contiguous for greater part of distance from vertex to antennae ; f rons shining black in J , one-fourth to one-fifth width of head in $ , less shining, bare ; ocelli on distinct prominence, yellowish ; occiput black, minutely pubescent. Antennae black, 1st and 2nd joints subequal, cylindrical, barely broader at the narrowly brown tips, minutely spinose ; 3rd joint cylindrical, almost filiform, pointed, with eight annulations. Thorax dull black, with microscopic pubescence, Avhich in perfect examples is probably blackish or dark * 2nd and 3rd longitudinal veins respectively, t 4th longitudinal rein-endings. AMPSA.LIS. — EPJU1PPIUM. 45 grey ; traces of a little brownish colour behind the wings ; hind corners of dorsum distinctly so coloured. Scutelhnn of normal size, shining aeneous or blue-black, with soft (? pale) hairs aud two very long, powerful, conspicuous, reddish-brown apical spines half as long as the abdomen, diverging and directed slightly upwards. Abdomen brownish yellow ; 1st and 2nd segments mainly black, hind border of latter brownish yellow, 3rd and 4th each with a rounded or subquadrate blackish spot of considerable size towards each side but clear of the margins ; these four spots in the $ nearly filling the surface of these segments ; 5th and 6th segments in both sexes mainly black, but sides and hind margins brownish yellow. Venter with 1st, 2nd, 4th, and 5th segments mainly black, remainder brownish yellow ; the black colour a little more ex- tended in <5 ; whole surface of venter in both sexes with very short yellowish pubescence. Genitalia in d concealed ; in $ a narrow cylindrical tube, with a pair of rather long brownish- yellow hairy filamentous appendages. Legs yellow; hind tibiae iucrassated on apical two-thirds, black ; hind tarsi longer than tibia?, the hind metatarsus black for two-thirds of its length and as long as the remaining joints taken together. Wings distinctly yellowish, very shining, apical third and hind margin grey ; stigma black or blackish brown, veins blackish ; halteres yellow. Length, 10-13 mm. Described from three <$ J and four $ $ from Darjiling, 1000-3000 ft., v-vi. 1912, and Siiigla, iv. 1913, in fair condition ; Shillong, 4900 ft., 31. v.l 918(7fao); 5000 ft.,vi-vii. 1918 (Fletcher). There is nothing material to prevent this species from coming in Ampsalis. The head is barely as wide as the thorax at its widest part, and Walker says the scutellum is armed with two oblique ascending spines, but does not mention their great length. The only apparent discrepancy is that he says the flagellum is about twice the length of the scape, whereas in the present species it is fully three times as long, but this difference would not be generic. Genus EPHIPPIUM, Lair. Epldppium, Latreille, Gen. Crust. Ins. iii, p. 448 (1802-3), and xiv, p. 341 (1804). EpAippiomyia, Bezzi, Zeits. Hym. Dipt, ii, p. 191 (1902); Brunetti, Rec. Ind. Mus. i, p. 115 (1907). GENOTYPE, Stratiomys ephippium, L. (Europe) ; by original designation.* Head comparatively small, as wide as front part of thorax ; face arched, not projecting in profile, densely pubescent ; palpi long and thickly pubescent ; eyes densely hairy in both sexes, in 3 * [Latreille did not actually designate n genotype ; in vol. iii he mentions two species as belonging to his genus, viz., microleon, L., and cpJiiyypium, L. ; in vol. xiv lie gives the same two species in reverse order. — ED.] 46 STRATIOMYIDjE. contiguous for a considerable distance, facets of equal size ; in $ , i'rons broad. Antennae as long as broad, 1st and 2nd joints subequal, 3rd elongate ; indistinctly annulated, with long pointed bare apical style. Thorax a little longer than broad, narrower in front, with a conspicuous spine on each side, just before the base ; humeri elevated; scutellum higher at base than hind part of thorax ; with two long thick hairy spines. Abdomen ovate, flattened, a little longer and broader than thorax and scutellum together. Legs strong, moderately long ; front coxse large. Wings strongly rippled, but not ribbed ; traces of posterior cross- vein, as upper branch of 5th vein is in almost punctiform contact with discal cell ; discal cell-veinlets distinct ; alulse unusually large ; alar squamse absent, thoracic pair small. Range. Europe, Japan, South Asia. Life-history. That of the European E. thoracicum, Panz., is known ; a conspicuous but hardly a common species. The larva? are parasitic in nests of the ant, Formica fulif/inosa. Koser records finding one in a rotten nut-tree, and thinks they must take about four years to reach maturity. The alleged preoccupation of Ephippium by Bolten in Mollusca, on which Bezzi suggested Ephippiomyia, is very doubtful, accord- ing to Verrall, and the original name is of too old standing to be altered. 21. Ephippium bilineatum, F. (PI. I, figs. 15, 16.) Stratiomys bilineata, Fabricius, Syst. Antl. p. 79(1805). Clitellaria bivittata, Wiedemann, Zool. Mag. i, p. 3 (1819) ; Auss. Zweifl. ii, p. 46 (1830). Ephippium angustum, Macquart, Hist. Nat. Dipt, i, p. 252 (1834). Rhaphiocera spinithorax, Macquart, Dipt. Exot. Supp. iii, p. 17, pfi, fig. 7(1848). Clitellaria tenebrica, Walker, List Dipt. Brit. Mus. iii, p. 522 (1849). Ephippium spinigerum, Doleschall, Nat. Tijd. Ned. Ind. x, p. 407. pi. ix, fig. 2(1856). Negritomyia bilineata, Wulp, Notes Leyd. Mus. vii. p. 95 (1885). Ephippiomyia bilineatum, Brunetti, Rec. Ind. Mus. i, p. 115 (1907). c? $. Head: eyes of c? with rather dense brown pubescence, contiguous for about the same distance as from lowest point of contact to base of antennae ; vertical triangle rather small, with blackish-brown hairs ; frons and face black, with dense, white or whitish, rather long pubescence ; occiput black, margin with minute snow-white pubescence, which nearly disappears at the sides and becomes longer on lower part ; proboscis with very large dark brown labella ; palpi blackish, pubescent. Antenna? with first two joints black, bristly ; 3rd to extreme tip of style about one and a half times as long as 1st and 2nd together, dull brown, elongate, conical, with three distinct broad annulations, bare, after which it narrows abruptly and bears some distinct hairs and is produced into a very narrow terminal style. In $ , frons about one-twelfth EPHIPP1UM.— NEGEITOMYIA. 47 width of head, sides parallel, shining black, with a small patch of white pubescence in middle. Thorax shining black or blue-black, closely punctulate ; dorsnm with blackish-brown pubescence and two moderately wide well-separated stripes from anterior margin to hind margin, or even indistinctly carried over part of the scutellum, composed of very short whitish-grey pubescence ; hutneri rather prominent, shining bright brown, bare ; sides of thorax shining black, mainly covered with longer or shorter whitish- grey pubescence. Scutellum concolorous with dorsum, hind mar- gin with a little grey pubescence ; the spine at each hind corner strong, long, black, and pubescent. Abdomen shining black or blue-black, closely punctulate, with dark brown pubescence on dorsum and longer whitish-grey pubescence at sides and on the concolorous venter ; a tendency to form a hair-spot towards sides of each segment, especially on 3rd and 4th ; underside of last segment bare, shining. Legs black, shortly grey pubescent ; tips of tarsi brown below. Wings with base narrowly, costal cell, base of 1st basal cell and the axillary cell, clear ; rest of wing dark brown, a little paler on hind margin; 5th vein rather more deeply infuscated ; halteres pale yellow. Length, 9-14 mm. Described from several specimens in the Indian Museum : Tenasserim (Dolierty} ; Semarang, Java, viii. 1909, and Depok, Java, x. 1907 (Jacobson). Genus NEGRITOMYIA, Big. Niyritomyia, Bigot, Bull. Soc. Ent. France, (5) rii, p. Ixxiv (1877). Negritomyia, Bigot, Ann. Soc. Ent. France, (5) ix, p. 190 (1879). GENOTYPE, Ephipplum maculipenne, Macq.; by original de- signation. Antennae nearly cylindrical, base a little pubescent, 1st and 2nd segments subequal, 1st much shorter than 3rd, arista apical, about as long as the whole antenna, densely, shortly, and uniformly pubescent. Eyes contiguous in tf , distinctly apai-t in $ , densely pubescent in both sexes. Thorax with a long spine on each side ; scutellum with two long spines. Wings with four endings to the 4th longitudinal vein, all reaching the border. Range. Africa, Ceylon, Malay Archipelago, Australia. 22. Negritomyia macnlipennis, Macq. Ephippium maculipenne, Macquart, Dipt. Exot. Supp. iv, p. 54 (1849), rf. Negritomyia maculipennis, Brunetti, Rec. Ind. Mus. i, p. 114 (1907), & vii, p. 451 (1912). $ . Head black, with a little short whitish pubescence ; eyes black, shortly pubescent ; frons at vertex about one-fifth the width of the head, widening at level of antennae to nearly one-third ; an indistinct whitish mark above each antenna ; palpi black, with 48 STRATIOMYIDjE. short yellow pubescence ; back of head black ; posterior orbit of eyes with narrow silvery-white pubescence. Antennae blackish, inner side of 3rd joint pale; style closely pubescent. Thorax black, moderately shining, with very short black hairs ; covered with microscopic grey hairs, except along a broad median line and on two large spaces towards each side of the dorsnm, i. e., one behind the shoulder and above each wing ; sides of thorax shining black, with microscopic grey pubescence below shoulders and some short snow-white hairs above the fore coxae ; there is also a rather wide perpendicular side-stripe of similar pubescence above the middle coxae, joining the dorsal pubescence in front of the wing ; side-spines short, strong, black. Scutellum black, with short black hairs and concolorous grey pubescence, and two broadly separated, strong, short, black spines on hind margin. Abdomen black, with grey pubescence forming a broad dorsal line on hinder half and a subtriangular spot towards each side of each segment. Venter shining black, practically bare. Legs black, with very minute whitish pubescence ; basal fifth of anterior femora and basal fourth of hind pair, also major portion (from the base) of .'ill the tarsi, pale yellowish white. Wings subhyaline ; stigma dark brown, roughly oval, very distinct ; tip of wing from outer side of discal cell, thence in a straight line to the costa and extending hind- wards, until filling the 2nd posterior cell, distinctly brown, the colour filtering more or less into the 3rd posterior cell ; halteres with stem yellow, clubs dark brown. Length, 11 mm. Kedescribed from a single perfect $ in my collection from Kandy, Ceylou, viii.1908 (Green) ; Pollibetta, Coorg, x-xi. 1915 (Fletcher). Loew's maculipennis (1856) from South Africa is a different species. Genus RUBA, Walk. Ruba, Walker, Proc. Linn. Soc. Lond. iv, p. 100 (1860). GENOTYPE, Ruba injlata, Walk. ; by original designation. Body thick and broad ; head much narrower than thorax ; proboscis and palpi very short. Antennae nearly as long as breadth of head ; " 3rd joint broader and longer than the flagellum, of which the joints are short, compact, and minutely setulose ".* Thorax a little longer than broad, scutellum unarmed ; abdomen globose, very much broader and a little longer than thorax. Legs short. ' Wings moderately broad ; " 1st cubital vein not one-third of length of 2nd ; four complete externo-medial veins ; subanal vein curved, joining the anal vein at some distance from the border ; discal areolet elongated exteriorly, irregularly triangular, exterior side very short." Range, India, Celebes, Papua. * Walker's '' flagellum " is the style. EUBA. — CLITELLAHIA. 49 23. Ruba inflata, Walk. Huba inflata, Walker, Proc. Linn. Soc. Lond. iv, p. 101 (1860). 2 . Head : frons and face one-third of head, uniformly wide except tor a slight contraction slightly above base of antennae ; oc^lhir triangle very small, black; an oval brown longitudinal mark on fro us just above the orange antennae, of irregular shape, continued as a tine line to the ocellar triangle ; whole head brownish orange; proboscis with very large labella; tips of palpi rounded, flattened, rather large, deep black;* whole head with rather short, moderately dense, but not conspicuous, yellow pubes- cence. Thorax and scutellum all brownish orange, \\ ith rather dense yellow pubescence; traces of three longitudinal narrow blackish lines on dorsum. Abdomen brownish orange, with yellow pubes- cence. Ley* yellowish orange, with yellow pubescence ; apical hiilt' of hind tibiae black, with black pubescence ; the tiny bristles at the tips of the tarsi give them a blackish appearance Wings pale yelloxv, apical half (except extreme tip) rather bright brown, darker anteriorly ; a quadrate dark brown spot of modera'e si/e at tip of 1st basal cell, extending to the costa ; anterior margin of basal half of wing a little deeper yellow. Length, 9 mm. Described from a perfect female in the Indian Museum from Ghumti, Darjiling District, 1000 ft., vii.1911 (Gravely) ; and one in inferior condition from Kohima, As*am. Walker described the species from Makassar, in Celebes, and the only descrepancy is that he says nothing about the black apical half of the hind tibiae. Clitellaria, Meigen, Illig. Mag. ii, p. 265 (1803). Adoxomyia, Kert6sz, Ann. Mus. H Genus CLITELLARIA., Mg. . 265 (1803). ung, v, p. 499 (1907) ; nom. nov. for Clitellaria, Sch., nee Mg. GENOTYPE, Clitellaria dahlii, Mg. (Europe) ; designated by Bezx.i, Wien. ent. Zeit. xvii, p. 75 (1908). f Head: eyes densely pubescent, contiguous in male, wide apart in female; proboscis retracted, with moderately broad labella; palpi 2- jointed, 1st joint thick, kidney-shaped, ^nd narrow, conical; epistoma slightly arched. Antennae elongate, 1st and 2nd joints subequal ; 3rd elongate conical, with four annulations, with two- * The palpi lie along the lower side of the face and the conspicuous black tips look like two black spots on it, Walker evidently mistaking them Cor such as he mentions " a black sj ot on each side of the mouth." t [It seems necessary to point ou' that this designation is entirely at variance with the generally accepted rules of zoological >;omenclature. Meigen, when describing Clitellaria. definitely designated ephipptum, F., as the genotype, and no subsequent action on the part of Meigen himself or anyone elt-e can alter that fact. The correct designation for the present genus is therefore Adoxomyia, Kert., and the species described above (p. 46) as Ephippium biliiie- atum should stand as Ciitellaria biliiieata, F. — ED.] E 50 STEA.TIOMYIDJE. jointed apical style, 1st very short, 2nd long. Thorax elliptical, moderately arched ; scutellum with two spines, often small and indistinct. Abdomen a little broader than thorax, oval or elliptical, rather well arched, 5-jointed ; genitalia small. Legs moderately long and strong. "Wings with normal venation ; 3rd vein distinctly forked, 4th vein with three endings; posterior cross-vein abseni, as upper branch of 5th vein forms part of lower side of discal cell. Range. Europe, Western Asia, North Africa, Orient, North America. Life-history. That of the common Indian 0. heminopla, ^\ied., has been worked out at the Pusa Institute. Some confusion has arisen over the name Clitellaria. Verrall notes that it was established by Meigen in 1803 for ephippium, F., and that that author subsequently (1822) enlarged the scope ot the genus, including in it villosa, F., calva, Mg., and pacifica, Hfg., as well as epliippium,T?. Latreille in 1804 erected Epliippium for the species of that name,* and, as was customary iu those days in such cases, changed the specific name to thoracicum to avoid redundancy. Therefore the name Clitellaria must stand for the remainder of the species placed in it by Meigen or, at the very least, for one of them. C. pacifica is an Odontomyia and synony- mous with limbata, Wied., which leaves only villosa and calva, one of which should be the type of Clitellaria, Mg. Kertesz retains Meigen's original sense of th*e genus (i. e., for ep7iippium, F.) in his Kat. Dipt. (1908), but adopts the inadmissible name Potamidu (Mg. 1800) for it. Meigen added dahlii in 1830 to Clitellaria and Kertesz has renamed this group of species Adoxomyia. Lasiopa, Brulle (1832), differs from Clitellaria, Mg., in having an unspined scutellum, and both villosa and calva have been placed in it. Therefore Clitellaria, as understood by Meigen, was by this time reduced to the single species dahlii, and this species is designated by Bezzi as the genotype. Kertesz's " Potamida, Mg." must con- tinue to be known as Ephippium, Latr. ; Adoxomyia, Kert., is the true Clitellaria, Mg., and must retain this latter name; and Lasiopa, Brulle, is a good genus. The two Indian species are separated thus : — - Thorax without definite hair-stripes, but with a darker median stripe surrounded by four spots arranged in a square heminopla, Wied. Thorax with two distinct stripes of short golden- brown hairs bistriata, Brun. 24. Clitellaria heminopla, Wied. (PI. I, fig. 14.) Clitellaria heminopla, Wiedemann, Zool. Mag. iii, p. 30 (1819) ; id., Ausfl. Zweifl. ii, p. 48 (1830) ; Brunetti, Kec. Ind. Mus. i, p. 120 (1907). c? £ . Head : eyes in c? practically contiguous for about half the distance from vertex to frontal triangle; black, upper facets * [This is not strictly accurate (see footnote on p. 45). — ED.] CLITELLAEIA. 51 barely larger than lower ones, not clearly demarcated, with moderately short dense pubescence, which appears grey or brown according to the point of view; vertex black, with a few long whitish hairs ; ocelli reddish ; frontal triangle black, with rather long soft whitish hair ; face and lower part of head black, with greyish-white pubescence ; proboscis dull yellowish ; palpi reddish brown; autennal 1st and 2nd joints black, 3rd joint reddish brown to yellowish, first four anuulations much broader and more distinct than the rest, which form a narrow blackish cylindrical tip; a reddish-brown ring round base of antennal prominence. In $,frons forming | to i width of head, a little narrower at vertex, with short whitish-grey or brownish-grey pubescence ; lower part of frons shining, practically bare, except for a bunch of drooping whitish hairs near each eye-margin above level of antenna ; the four basal annulatious of 3rd joint rather broader than in <5 • Thorax black, dorsura wholly covered with whitish- grey tomentose pubescence ; in perfect specimens, if viewed from in front, a median stripe surrounded by four spots arranged in a square can be seen, composed of gold-brown tomentose pubescence ; •some longer whitish-grey hairs below shoulders. Scutellum large, with grey and golden-brown admixture of tomentose pubescence ; spine placed at each hind corner, yellowish brown ; a fringe of white hairs depends from the hind margin. Abdomen black ; 2nd segment wholly, 3rd narrowly on hind margin and more broadly towards sides and along side-margin of segment, 4th broadly on hind margin (especially towards and along the side-margins), 5th with a large median triangular spot (its base on hind margin of segment), very shortly but distinctly whitish (occasionally rather golden) pubescent ; ground-colour of extreme side-margins of segments brownish orange ; venter blackish, with extremely short whitish pubescence. Legs : coxae black, brownish orange at tips ; hind pair brownish orange behind ; femora and tibiae rather shining black, the former brownish orange at base and narrowly at tips ; tibiae broadly brownish yellow at base, narrowly brown at tips ; t'r.nit tarsi blackish, posterior metatarsi yellowish, remaining joints brown ; all legs with short greyish pubescence, which is more brownish yellow on tarsi, especially the front pair. Wings grey, yellowish brown about the centre ; stigma slightly darker brown ; halteres yellow. Length, 6^-9 mm. Described' from a long series of both sexes in the Indian Museum, Pusa collection and my own, from many parts of India and Ceylon, where it appears to be generally distributed and common from March to October on rotten papaya-stems, plan- tains, and melons. Mr. Hewlett has taken it " at sex play around dead leaves, Pusa, 15. iii. 1912." Larva. This is 11 mm. in length, whitish, oblong, the 4t,h seg- ment truncate, the three anterior segments much narrower and apparently withdrawable into the 4th ; 1st segment rather elon- gate, verv narrow; 4th to 12th segments about equal in length, E2 52 STJIATIOMYIDJE. anal segment longer, rounded at tip ; each segment bearing a transverse row of rather long curved yellow bristles on both upper and under sides, one or more being also present along the sides. The surface is covered with minute white particles, apparently purposely attached to its body. Found in rotten papaya-stems. 25. Clitellaria bistriata, Brun. Clitellaria bistriata, Brunetti, Eec. Ind. Mus. vii, p. 452 (1912). 3 or practically contiguous in tf , broadly separated in $ . Proboscis short or lengthened, porrect, with moderately large labella; palpi with three distinct joints. Thorax elliptical ; scutellum unarmed. Abdomen broader than thorax, elliptical, arched, five- segmented. Leys moderately long and stout. Wings with 3rd vein distinctly forked ; 4th longitudinal vein with four faint veinlets, of which the 4th originates near or directly from the 2nd basal cell. Range. Europe, West Asia, North Africa, South Africa, Orient, New Zealand, South America. Life-history unknown. The perfect insects occur 011 umbelli- ferous and other flowers, and often become rather sluggish in their habits. 26. Lasiopa villosa, /"., var. himalayensis, Brun. Xe.motelus villosa, Fabricius, Ent. Syst. iv, p. 270 (1794). Lasiopa villosa, var. himalayensis, Brunetti, Ilec. Ind. Mus. i, p. 117 (1907). J 5 . Head black, with rather long, shaggy, yellowish-grey hair ; eyes in J not quite contiguous ; frons in $ one-third width of head, sides parallel, with rather Jong golden-yellow pubescence ; face similar, with a rather small elongate spot on each side in $ at level of antennae, contiguous to inner margin of eye ; proboscis dark brown, not prominent ; underside of head with greyish pubescence ; antennae blackish brown. Thorax black, with yel- lowish-grey pubescence, which is shorter in the $ . Abdomen black: an elongate yellowish spot towards each side* on hind border of 2nd, 3rd, and 4th segments, all the spots subequal ; 5th segment with distinct yellow hind margin. Legs blackish brown. Wings brownish grey ; halteres whitish yellow. Length, 9-10 mm." Described from three specimens in my own collection from Mussoorie, v. 1905 (Brunetti), and others from Kumaon, W. Himalayas, 6300 ft., ll.v. 1911 (Kemp}-, Nairn Tal, vi. 1893 [Lucknow Museum]; Dungagali, Hazara Dist., 8000 ft,, 21-24. v. }Q15 (FletcJter). The only difference from typical European specimens is that the abdominal yellow spots are not turned up and widened at their inner ends. Genus OXYCERA, %. Oxycera, Meigen, Illig. Mag. ii, p. 265 (1803). Hypoleon, Dumeril, Expos. Meth. Natur. (1801). lletcroxycera, -Bigot, Ann. Soc. Ent. France, (3) iv, pp. 6-'> & 85 (1850). GKKOTYPE, Jfusca hypoleon, L. (Europe) ; by designation of Curtis, 1833 (as trilineata, F.). Head with epistoma smooth, a little arched ; eyes from bare in both sexes to densely pubescent in $ (in which case $ has some pubescence too), contiguous in J for a considerable distance, the 54 STEATIOMTID^E. upper facets much larger than the small lower ones and generally sharply delimited from them ; in $ wide apart, with uniform facets ; occiput- with lower half considerably puffed out. Pro- boscis retracted, with broad labella ; palpi rather inconspicuous. Antennae elongate, first two joints subequal, 3rd spindle-shaped or peg-shaped, with four annulations and a two-jointed apical or subapical bristle. Thorax oblong, rather arched, moderately pubescent; humeri and posterior calli prominent; scutellum with two spines. Abdomen short and round, very arched, 5-segmented. Legs simple, short, weak. Wings with normal venation ; 3rd longitudinal vein forked or simple ; 4th vein with three endings, the 3rd often weak or absent ; posterior cross-vein absent, upper branch of 5th vein forming part of lower side of discal cell, the latter often indistinct : alulae well developed. Range. Europe, Asia, North America, and one species from Caffraria. Life-history. The larva lives in moist mud among Conferva. The flies frequent leaves and flowers in the sunshine near streams and damp situations, where they are very active ; on sunless days they settle on the underside of leaves near the ground. The metamorphoses of several European species are well known. These insects are rather small, nearly bare, flies, generally of a black colour with conspicuous yellow spots. 0. siynata is mainly a black species and 0. albomicons a yellow one. 27. Oxycera signata, sp. nov. d . Head : eyes with dense brown pubescence, contiguous for a considerable distance, leaving vertical and frontal triangles about equal in size, black ; former with black hairs and three brownish ocelli on an elevated prominence ; latter bare, shining ; face black, with a long oval patch of short snow-white pubescence adjacent to the eye-margin on each side ; no postocular orbit ; occiput black ; proboscis orange-yellow ; underside of head with short white hairs. Antennae black, first two joints subequal, 3rd as long as first two together, with four annulations and subapical arista. Thorax shining black, with moderately dense brownish- grey pubescence; a pair of widely separated, pale yellowish, narrow, longitudinal dorsal stripes, nor quite reaching either anterior or hind margin of dorsum ; an elongate bright lemon- yellow spot on each side of dorsum from prothorax up to the suture, and a large oraiige-yellow one on each posterior angle of dorsum ; pleurae bkck, with whitish pubescence and a callus-like long yellow stripe from prothorax (where its end is contiguous to the stripe on the side of the dorsum immediately above it) to root of wing. Scutellum bright lemon-yellow, with brown pubescence, hind margin black ; metanotum shining black, microscopically pubescent. Abdomen black, moderately shining, with micro- scopic brown pubescence and a little white hair at sides of 1st segment, which latter is narrowly yellow at base ; a large subtri- OXTCEEA. 55 angular spot on 3rd segment on each side-margin reaching from anterior nearly to posterior margin; a smaller oblong one placed endways at middle of side-margin of 4th segment ; and a small semicircular apical one on last (5th) segment ; venter black, with a little sparse pale pubescence. Legs black, with the following parts yellow : tips of femora broadly and posterior pairs indis- tinctly at base, front tibiae broadly at base, middle pair wholly and hind pair narrowly at base and tip, also posterior metatarsi and 2nd joint of^hind tarsi ; all legs microscopically pubescent. Wings colourless ; anterior veins and stigma pale yellowish ; halteres bright yellow. Length, 5 mm. Described from a single tf in the Pusa collection from India, probably from Mussoorie. Type presented to the British Museum. 28. Oxycera albomicans, sp. riov. $ . Head wholly bright sulphur-yellow. Erons and face fully one-third of head, very slightly narrower at about middle of frons ; frons rather broader on lower part; eyes bare; upper eye-margins of frons narrowly black ; a thin line running from the corner of each eye diagonally to vertex at each side of vertical spot ; an elongate black spot on vertex, embracing the ocelli, pointed at anterior end ; an oval or leaf-shaped one of moderate size in middle of frons and a small elongate, vertically placed one imme- diately above base of antennae ; tlie latter wholly brownish orange, of normal size ; arista black ; lower sides of face (viewed from above) with snow-white shimmer; mouth-region and proboscis brownish orange ; postocular orbit very broad, lower part with whitish shimmering tomentum and microscopic pubescence ; occi- put black. Thorax sulphur-yellow, microscopically punctate, with very short yellow pubescence; dorsum with three longitudinal black stripes, the median one slightly the widest and reaching front margin, the side-stripes just failing to reach it — all three narrow and united on hind margin ; a small black vitta just above wing- base. Lower part of thorax, front part of sternopleura and a contiguous triangular spot on mesopleura, black ; pleurae and lower part of thorax with a little microscopic white pubescence. Scutellum yellow, with a little microscopic black pubescence ; spines rather long, tips a little darker. Abdomen sulphur-yellow, microscopically punctate, ernarginations of segments very indis- tinct; two broad black transverse bands, broader still in the middle of each, lying apparently over the junctions of 2nd and 3rd segments and of 3rd and 4th segments respectively, united by a short black median stripe ; the anterior transverse band broadly united to the convex side of a semicircular band, which has its ends on the anterior corners of the 1st segment, but just failing to attain the actual margin : hinder transverse band united by a median black longitudinal stripe to an arched narrower black 56 STBA.TIOMYJ.DjE. transverse band placed on base of 5th segment, the middle part encroaching over hind margin of 4th segment. Venter yellowish, with microscopic pale \ ellow pubescence. Lec/s vellow or brownish yellow j front tarsi wholly, apical half of middle pair, hind tibiae (except at tips), and last four joints of hind tarsi dark brown. Wings colourless; veins yellowish; 3rd vein forked towards tip; halteres bright yellow. Length, 4| mm. Described from two $ $ from Abbottabad, N.W. Frontier Province, vi. 3916 (Fletcher). Type sent to the British Museum ; co-type in Pusa collection. The abdomen might equally well be described as black with the base narrowly and tip more broadly yellow, and three pairs of yellow side-spots, the first pair triangular, the 2nd and 3rd pairs much larger and irregularly oblong. Subfamily STRATIOMYI1SLE. Head short, rather flattened in front ; antennae with 3rd joint elongate, no arista. Thorax subquadrate, often only slightly arched; scutellum generally with two spines. Abdomen 5 to b'- segmented, generally subquadrate, not much longer than thorax, often much flattened and frequently with obvious pale markings. Legs of moderate length and strength, or somewhat weak. Wings with 3rd vein generally forked, ending far before wing-tip; 4ih vein with three terminations or veinlets, seldom reaching v\ ing- margin, one or more often absent or extremely weak ; posterior Fig. 2. — Stratiomyia, antenna. Fig. 3. — ( cross-vein present, so that the 5th vein never forms any part of the discal ceil ; anal cell closed near wing-border ; 5 posterior cells, united on wing-margin. Wing in repose folded closely over middle of al'domen, leaving side-margin* exposed; alar squamae small, thoracic pair large, pubescent. The principal cha'-acters of this subfamily taken in conjunction are the subquadrate abdomen of the typical genera (Stratiomyia, Odontomyia), the elongate antennae devoid of arista, and the presence of the posterior cross-vein. Larva peripneustic, last segment more or less long and narrow. Table of Genera. 1. Third antennal joint with at most six annulations 2. Third antennal joint with seven or eight annulatioiis CYPHOMYIA, Wied., p. 57. CYFHOMYIA. 57 2. First antennal joint three or more times longer than 2nd STBATIOMYIA, Geoff., p. 58. First antennal joint less than three times as long as 2nd, generally much less ODONTOMYIA, Mg., p. 61. The above distinctions are purely arbitrary, but each genus has a facies peculiarly its own, which the student will soon recognise. Genus CYPHOMYIA, Wied. Cypliomyia, Wiedemann, Zool. Mag. i, p. 3.(1819). GENOTYPE, C. auriftamma, "Wied. (Tropical America); designated by Brauer, 1882. Head as broad as thorax, semicircular ; eyes bare (occasionally just perceptibly hairy), in J closely contiguous for a considerable distance ; frons in § rather broad, sides approximately parallel ; postocular orbits in $ broad. Antennae with 1st joint moderately long, broader at tip; ind cup-shaped, half as long as 1st; 3rd cylindrical, tapering, of eight subequal annulations, practically bare. Thorax considerably elongate, much narrowed in front, moderately arched, anterior corners rather angular; in many species with three lighter longitudinal stripes. Scutellum rather large, broader than long, trape/oidal, with two spines that are longer and more divergent in d than $ . Abdomen subglobular, thick, about as long as thorax, 5-segmented ; 1st segment very short, mostly hidden by scutellum. A generic peculiarity is the presence of hair-spots towards the sides of the last segment, placed on its anterior margin. Legs rather long, especially the femora, simple, slender ; tarsi generally longer than tibiae. Wings fully developed, considerably longer than abdomen and folded over it when ab rest. Range. North, Central and South America, South Africa, India, Sumatra. 29. Cyphomyia indica, sp. nov. Head wholly bright orange, bare, including the thick postocular orbits, which are distinctly demarcated from the vertex by a narrow groove ; frons about one-third width of head, barel)r broader at vertex ; underside of head with a little short white pubescence towards the eye-margins ; eves and proboscis black. Antennae with 1st and 2nd joints dark reddish brown, 3rd black, •with eight distinct annulations, three times as long as 1st and 2nd together. Thorax deep black, with rather dense short grey and brownish-grey pubescence, which is a little longer and more whitish posteriorly and on the concolorous, rather large, nearly oblong scutellum ; spines of latter tipped with brown ; pleurae blackish with a little whitish pubescence. Abdomen much broader than thorax, nearly circular, brilliantly shining violet-blue, with very short whitish pubescence; venter similar. Legs black, with whitish pubescence ; knees barely perceptibly brownish orange ; 58 STRAXIOMYID^E. more than basal half of front metatarsus, and the hind metatarsus wholly, and most of the succeeding joints brownish orange; pubescence of legs black. Winys uniformly rather dark brown, a little lighter at base and darker about the stigma ; halteres pale dull orange. Length, 9 min. Described from a unique specimen (genital organs missing) in the Indian Museum from Kalhnpong, 600-4500 ft., Darjiliug District, iv-v. 1915 (Gravely}. Genus STRATIOMYIA, Geo/. Stratiomys, Geofl'roy, Hist. d. Ins. ii, p. 475 (1704). * Stratiomys, Fabricius, Ent. Syst. iv, p. 262 (1704); Meigen, Illig. Mag. ii, p. 265 (1803). Stratiomyia, Macquart, Dipt. Exot. i, pt. 1, p. 179 (1838) ; Brunetti, Rec. Ind. Mus. i, p. 125 (1907). Hoplomyia, Zeller, Isis, xi, p. 882 (recte 828) (1842). Stratiotomi/ia, E. L. Arribalzaga, Bol. Acad. Nat. Cienc. Cordoba, iv, p. 128(1882). GENOTYPE, Musca cJiamceleon, L. (Europe) ; by designation of Latreille, Consid. Gen. (1810). Head semicircular, face arched, postocular orbits thickened, especially in $ ; proboscis comparatively small ; palpi small ; eyes in d practically contiguous, the upper facets often much larger than lower ones, wide apart in $ ; in both sexes either bare or hairy, sometimes a sexual character. Antenna approximate at base, diverging after 1st joint, which is very much longer than 2nd ; 3rd joint elongate, cylindrical, bare, with live or six anuulations (occasionally an annotation subdivided). Thorax sub- quadrate, broader behind, pubescent ; scutellum two-spined. Abdomen broader than thorax, slightly arched, subquadrate, shoulders angular; whole doratim sparsely, moderately, or some- what densely pubescent ; wings folded one above the other at rest, lying within the side-margins of the abdomen ; genitalia small. Leys moderately stout, shortly pubescent. Wings mainly as in Odontomyia; 3rd vein forked, 4th vein terminations (three) long, curved, nearly reaching wing-margin, the hindmost more or less parallel with upper branch of 5th vein ; posterior cross- vein present but sometimes small; anal cell closed near wing-margin; alar squamae small, thoracic large and pubescent. llanje. World-wide except Au.-traliaand the Ethiopian Kegion. Life-history. Metamorphoses of more than one European species known. Larvae fusil orm, broadest before the middle; known as * [In this work Geoffroy did not accept the binnry system of nomenclature upon which all our modern zoological classification is based ; it has therefore been ruled that all generic names therein proposed by him are just as invalid a» pre-Linnyean names. Tlie authorship of Stratiomys should thus be attributed to Fabricius. — Ei>.] STRAT1OMYIA. 59 " rat-tailed maggots ;" some are aquatic, hanging head downwards by their tails, probably living on minute organisms ; some live in mud or moist sand. The pupa floats free. The imagines frequent Umbelliferae in moist situations. Table of Species. 1. Hind margin of 3rd and 4th abdominal segments with uninterrupted yellow band fulvescens, sp. n. Hind margin oford aud 4th abdominal segments with a pair of elongate spots, well separated . . 2. 2. Thoracic pubescence moderately thick and long; scutellum black, except the narrow yellow hind margin and spines; $ with two conspicuous yellow po.stvertical spots, sometimes united . . barca, Walk. Thoracic pubescence extremely short and sparser ; scutellum all brownish yellow; $ with no postvei tical yellow spots micropilosa, sp. n. 30. Stratiomyia barca, Walk. Strut iomys barca, Walker, List Dipt. Brit. Mus. iii, p. 530 (1849). Statiomyia barca, Brunetti, Rec. Ind. Mus. i, p. 125 (1907). J $ . Head : eyes contiguous in J for more than half their height ; shortly and sparsely pubescent ; upper facets distinctly but not greatly larger than lower ones ; vertical triangle black, Avith a few yellow hairs ; ocelli large, brownish ; antenna? black ; irons, face (punctulate), and lower part of head black, with long, rather shaggy, bright yellow hair ; occiput black, with very sparse pale pubescence ; hind margin of eyes with a fringe of microscopic yellow pubescence. In § , frons aud face nearly half width of head, sides parallel, black ; behind vertex two conspicuous bright yellow oval spots, sometimes united as a large semicircular spot ; two very large elongate yellow calli on frons placed diagonally, the inner ends nearly contiguous, the outer ends touching eyes and descending below level of antennae ; colour of calli extended to sides of face broadly ; a broad median black stripe on face, which is covered with whitish pubescence ; posterior margin of eyes with merely an extremely short fringe of whitish pubescence ; a considerable thickening of the orbit on lower half, where it is yellow. Thorax black, puuctulate, slightly shining; closely clothed with dense, rather long, brownish-yellow pubescence, which is much paler on pleurae ; scutellum similar, hind border and spines brownish yellow. Abdomen black, slightly shining, with an elon- gate moderate-sized yellow spot on hind border at sides of 2nd segment, and elongate spots similarly situated on 3rd and 4th segments ; 5th segment with a elongate yellow spot, often paler than the others, placed longitudinally, not attaining anterior margin but extended at lower end for a short distance each way on hind margin of segment. Pubescence in c? brownish yellow, dense and fairly long over all the surface ; in $ black, dense but 60 STIUTIOMYID.*;. very easily overlooked ; a little pale yellowish-white pubescence about the shoulders, sides, and tip. Venter in d1 with greater part of centre of each segment and the hind border yellowish, rest black ; in £ the yellow part is much paler or even whitish, and of much less extent ; in some specimens almost confined to hind borders except on the 2nd segment. Legs mainly black ; knees more or less broadly hrownish yellow ; hind tibiae pale brown with a more or less distinct, moderately narrow ring at middle and tip ; all tarsi brownish yellow, a little darker above :it lips ; pubescence on legs yellow. Wings pale grey : anterior and basal parts brownish or yellowish brown, limited by discal cell and anal cell ; halteres pale yellow, occasionally green. Length, 10-12 mm. Described from several of each sex in the Indian Museum ; Jhelum Valley, 5200 ft., and Srinagar, 0000 ft., Kashmir, vii-ix. 1916 (H. T. Pearse). Described originally from China. Type in the British Museum. 31. Stratiomyia micropilosa, sp. nov. $ . Very near barca, Walk., differing as follows : — The large yellow postvertical spot is entirely absent, as are the two elongate frontal ones, the latter being replaced by a rather obscure subqu;idrate median chestnut spot just above antennae; lower posterior orbit of eyes whitish, not yellow. The dull yellowish pubescence on dorsum of thorax almost microscopic and much sparser ; scutellum wholly yellowish, with concolorous tomentum. Abdominal spots brownish orange; side-spots on 2nd segment more triangular, their upper angles only just touch- ing front corners of segment; those on 3rd segment similar but slightly smaller; those on 4th segment smaller still, but partaking more of the nature of a triangular spot than a linear one as in barca. Tibiae more narrowly pale at base; hind pair similar to anterior tibiae. Length, 12 mm. Described from a single $ in the Indian Museum from Maymyo, Burma, v. 1910 (//. L. Andmves). 32. Stratiomyia fulvescens, sp. nov. <3 . Head with eyes shortly but not conspicuously pubescent, the very narrow inner orbits contiguous for about half the distance from vertex to frontal triangle ; vertical triangle black, elevated, with some brownish-yellow hairs ; ocelli dull yellowish ; frontal triangle small, black \\ith brownish hairs; face and head below antennae wholly black, with rather thick and long whitish-yrey pubescence; occiput black, with grey pubescence, no definite posterior orbit to eyes ; proboscis brownish yellow. Antennae black, tip of 2nd joint dark brown ; 1st joint about five times as long as 2nd; 3rd a little longer than first two together. Thorax STRATIOMYIA. ODONTOMYI A . Gl \\holly black, dorsuin entirely covered with dense yellowish-grey pubescence, and sides with the pubescence a little paler. Scu- tellum black, with yellowish-grey pubescence ; hind margin broadly brownish yellow ; spines concolorous, with rather long \vhitish-grey pubescence about their bases. Abdomen moderately shining black, with rather dense, brownish-yellow pubescence on dorsuin of 2nd, 3rd, and 4th segments, the pubescence paler on anterior corners and whitish on 5th and Gth segments. A rather large triangular orange spot on hind border towards each side of 2nd segment, the inner end of each narrowed to a fine point, the base of the spot placed on the side-margin but extending only halfway to the anterior margin ; hind margin of 3rd segment orange, the colour very narrow in centre of segment, much broader towards sides but narrowed again just on side-margin ; a similar orange hind margin to 4th segment and a fair-sized orange triangular spot on £th, with its base on hind margin ; Gth segment all orange; the extreme side-margin of all segments orange, except the anterior half of 2nd segment. Genitalia brownish orange, small, apparently consisting of a median cylindrical piece and a small lamella on each side. Venter with 2nd segment wholly, 3rd broadly, and 4th narrowly on hind margins, brownish orange. Legs black, with grey pubescence on femora and tibia?, yellowish on tarsi ; tips of all femora, basal half of hind pair, base and tips of anterior tibiae, hind tibiae wholly, and all tarsi orange. Wings pale brownish grey, veins a little darker ; halteres orange. Length 12 mm. Described from a single c? from Taro, Peshawur District, N.W. India, 16-19. v. 1915 (Fletcher); presented by him to the British Museum. Near 8. barca, Walk., but in that species the abdominal orange (" tawny ") spots are riot united to form a band ; the tibias are piceous and the legs have tawny pubescence. Genus ODONTOMYIA, Mg. Odontomyia, Meijren, Illig. Mag. ii, p. 265 (1803); Brunetti, Eec. Ind. Mus. i, p. 126 (1907). Opseoyymnus, A. Costa, II Giamb. Vico Napoli, ii, p. 443 (1857). Psellidotus, Rcmdani, Arch. p. 1. Zool. Modena, iii, p. 78 (1863). Eulalia, Kertesz, Kat. Dipt, iii, p. 62 (1908). GENOTYPE, Musca hydroleon, L. (Europe); by designation of Westwcod (1840). Head about as broad as thorax, transverse ; eyes rather flattened, bare or hairy, contiguous in <$ , upper facets larger than lower ones, broadly separated in $ ; face prominent, pubescent ; pro- boscis rather long; palpi small, cylindrical. Antennae with first two joints short, 1st longer than 2nd ; 3rd much longer, cylin- drical, tapering, with four to six annulations, last two sometimes 62 STBATIOMYIDJE. forming an apical style, with or without a minute terminal bristle (fig. 2). Thorax subquadrate or oblong; scutellum with two spines. Abdomen o-segmented in cf , 6- or 7-segmented in 5 , normally barely broader, sometimes much broader than thorax, generally nearly bare ; genitalia small. Leys simple. Wings of normal Stratiomyid type; anterior veins crowded together; 1st and 2nd veins almost anastomosed, rather short, 3rd vein normally forked, both branches ending far before wing-tip ; 4th vein with three endings, of which one or more may be incomplete or absent ; posterior cross-vein present ; squamae distinct, thoracic pair pubescent. Range. World-wide. Life-history, One or two European species have been bred, and 0. cyanea at Pusa. Larva much as in Stratiomyia, but without spine- shaped protuberance. The imagines occur in moist situa- tions, with a partiality for settling on TJmbelliferae. Talle of Species. 1. Shining metallic-blue species (with a general resemblance to the Muscid, Chrysomyia dux} cyanea, sp. n., p. (53. Never metallic ; always yellow or brownish, with markings 2. 2. Abdomen as well as thorax conspicuously [p. 64. pubescent rufoabdominalis, Jirun., Abdomen practically bare, normal ; thorax generally considerably pubescent 3. 3. Thorax with sharply denned spaces of shin- ing black and reddish brown, and a short golden tomentose stripe from anterior margin ; a conspicuous and rather ab- [p. 65. normal species pulchcrriina, sp. n., Thorax dark, with yellowish or grey pubes- cence ; species of normal appearance .... 4. 4. Some of the femora with distinct broad black bands 5. No distinct femornl bands, legs generally wholly pale 6. 5. All femora with broad black median band ; hind tibiae with broad apical band minuta, F., p. 65. Hind femora not banded rubrithorax, Macq., C. (a) Abdomen wholly orange ; postocular [p. 07. orbits in § mo'derately broad lutatius, Walk., p. 70. (b) Abdomen with distinct dark transverse bands; postocular orbits in $ mode- rately broad transversa, sp. n., p. 71 . (c) Abdomen with dorsal row of spots, more or less forming a median stripe .... 7. 7. Frons in J black ; facial bump small, blackish ; postocular orbits in $ mode- [p. 67. rately broad kashmirensis, sp. n., ODONTOJITIA. 63 Frons in tf orange, or if black, then facial bump more or less orange ; postocular orbits in $ inappreciable 8. [p. 68. 8. Frons and face all orange in both sexes .... dorsoangiulata, sp. n., Frons and face black in both sexes ; 5 with facial bump brownish orange solennis, Walk., p. 69. It is impossible to include viridana, Wied. (p. 72), in the table, but it falls into section G, and my transversa may be identical with it. 33. Odontomyia cyanea, sp. nov. c? $ . Head in c? with eyes bare, contiguous for nearly half the distance from vertex to frontal triangle; upper facets rich brown or violet-brown, lower ones black ; vertex black, with a few black hairs ; the small frons and the face and lower part of head bright orange, bare, shining ; antennae orange, 3rd joint from dull orange-brown to blackish, tip generally darker, twice as long as first two joints together, with four annulations and small yellowish apical style ; proboscis black ; eye-margins developed on inner lower edge of eyes, orange, with a little greyish pubescence ; no postocular orbits, the facets running out to the extreme margin above and at sides. In $ , frons one-third of head, orange, bare, just perceptibly broader at vertex and towards antennas ; latter rather longer than in c?; no postocular orbits. Thorax deep blue, brilliantly shining metallic, closely punctulate, with micro- scopic grey pubescence ; scutellum similar ; pleuras more blackish, more or less tomentose pubescent, with a little longer grey pubescence on mesopleura and sternopleura and below shoulders. In £ four longitudinal, silvery-grey, subequai and equidistant tomentose stripes, the two middle ones united on anterior margin ; scutellum also covered with silvery tomentose pubescence. Abdo- men in <$ deep blue, shining, minutely punctulate ; side-margins and tip of abdomen apple-green, sometimes only narrowly (but always continuously) so, but varying in width up to one-third of the abdomen on each side. In $ as in g , but the green side- margins always very narrow though continuous, but not including the tip. which is always blue in this sex, whereas in 3 the green tip of the abdomen is always continuous with the green side-margins. Venter wholly apple-green in both sexes. Legs black, a little silvery pubescence on outer sides of anterior tihise ; front tarsi (especially the metatarsi) distinctly broader, thicker and shorter than middle tarsi. Wings quite clear ; veins in anterior part of wing brownish orange or yellowish ; stigma brownish ; the 3rd of the faint veinlets issuing from the discal cell practically absent ; halteres bright apple-green. Length, 6^-8 mm. Described from a long series of both sexes, mostly bred at Pusa, 26.iii. 1908, 2.ii. 1909, 3-18. iii. 1909. Types sent to British Museum ; co-types in Indian Museum and my collection. 64 STRATIOMYIDjE. 34. Odontomyia rufoabdominalis, Brun. (PL I, fig. 24.) Odontomyia rufoabdominalis, Branetti, Rec. Ind. Mus. ix, p. 205 (1913). <$ 5. Head black, a little shining: eyes bare, absolutely' con- tiguous for a short space, leaving a very elongate narrow vertical triangle ; vertex considerably prominent, with a few black hairs ; ocelli pale yellowish ; face but little prominent, with short black and grey hairs ; antennae black, 1st and 2nd joints normal, 1st black, 2nd dull brownish (3rd missing) ; two small tufts of grey hairs immediately above antennae, and a trace of grey hairs along the sides of face. In $ . frons one-third of head, sides parallel, and with face wholly slightly shining black, with sparse short black pubescence ; the ground-colour similar to that of the thorax ; ocelli very distinct, wide apart, brownish yellow, ocellar bump large, moderately elevated; mouth-opening, proboscis, palpi, and lower part of head black. Thorax black, with minute white patches, slightly shining, dorsum and sides with moderately thick, not long, black and grey hairs, set in minute black sockets, which give the dorsum a granulated appearance, often two or three hairs emerging from the same socket ; small patches or bunches of grey hairs occur around the base of the wing and on the pleurae. Scutellum clothed like the thorax, with a fringe of rather ragged grey hair on posterior border and a short blunt spine at each hind corner. Abdomen: ground-colour of 1st and 2nd segments and major portion of 3rd, 4th, and 5th black, a little shining ; the sides of the dorsum, nearly from the shoulders to the extreme tip, and the hind margins of the 3rd, 4th, and 5th, and the bulk of the 6th segment all bright reddish orange with concolorous pubescence ; the black parts with sparse black pubescence ; a small patch of greyish hairs on hind corners of 2nd segment, and some yellow hairs extend along the narrow red side-edges of the abdomen, nearly or quite to the shoulders. A7enter dull reddish orange, becoming brighter towards tip ; central part of most of the seg- ments more or less black ; pubescence wholly reddish orange, j-hort, depressed. Leys black, with a little short greyish hair ; under and inner sides of tibiae towards tips and about the apical half of the anterior and the whole of the hind tarsi (the latter lengthened), orange-yellow, with short golden pubescence. Wings yellowish grey ; stigmatic region black ; major portion of middle of wing from anterior to posterior border darker brown, the colour fading away gradually; halteres buff; thoracic squamae milk- white, with concolorous soft hairs. Length, 17 mm. Described from a J, Darjiling, 1000-3000 ft,, vi. 1912, and a $, Siugla, Darjiling Dist., 1500 ft.,, v. 1913, in the Indian Museum. A very handsome and conspicuous species. ODONTOMYIA. 65 35. Odontomyia pulcherrima, sp. nov. 5 . Head distinctly broader than thorax; vertex and frons fully one-third the width of head, the latter slightly wider towards antennae, with short black hairs ; whole head below antennae paler yellow, with soft golden hairs ; antennse black, 3rd joint about 2^ times as long as 1st and 2nd together ; proboscis black ; occiput yellow, blackish in centre ; posterior orbits of eyes narrowly yellow ; vertical triangle black, small ; ocelli pale orange. Thorax with greater part of dorsum down to the suture, except anterior and side-margins, occupied by a large shining black spot, bare except for a broad short stripe of golden pubescence, begin- ning just behind the anterior margin but reaching only halfway to the suture ; on each side behind the suture (just clear of the side-margins) a semicircular black spot (the straight side inwards) and contiguous to the large black spot above the suture, thus leaving an approximately square space occupying more than half the surface behind the suture, and reaching the posterior border of the dorsum with sharply defined sides; this space is reddish brown, and the large anterior black spot just perceptibly encroaches on the anterior margin of it. Scutellum large, reddish brown, as are the spines and the metanotum ; sides of thorax wholly pale yellow with bright golden-yellow pubescence. Abdomen mode- rately shining black, bare ; basal half of 1st segment, a large sub- triangular spot on each side of 2nd extending from anterior to hind margin, an elongate transverse spot towards each side on hind margins of 3rd and 4th segments (those on latter rather smaller), and a long spot narrowed to a point anteriorly on 5th segment, all light yellow. Venter wholly yellowish. Legs with coxae yellowish or yellowish brown, with yellow hair ; front legs black, brown at base of femora ; on apical half of outer side of tibiae a fan-like row of stiff black hairs ; middle legs black, basal half of femora yellowish white, a similarly-coloured band on middle tibiae ; hind legs black, basal half of femora yellowish white. Pubescence on all legs generally concolorous with ground- colour, some fairly coarse black pubescence at base of middle tibia? ; tarsi with golden-brown pubescence below ; pulvilli brownish orange ; claws orange, blai-k-tipped. Wings pale yellowish brown; costal cell and extreme base of wing, also beyond discal cell, pale grey ; stigmatic region blackish brown ; veins dark brown ; 3rd vein forked very near tip ; halteres pale dull yellow. Length, 10 mm. Described from a unique $ in the Indian Museum from the Peshoke District, Darjiling, 2000 ft., 26. v.-14. vi. 1916 (Gravely}. 36. Odontomyia minnta, F. O'lontomyia minuta, Fabricius, Eut. Syst. iv, p. 268 (1794X Odontomyia ochracea, Brunetti, Kec. Ind. Mus. i, p. 129 (1007). GO STEATIOMYID^E. Odontomyia submutica, Brunetti, loc. cit. p. 130 (1907). Oxycera indica, Brunetti, loc. cit. p. 119 (1907). ? O.pusilla, Eabricius, Ent. Syst. iv, p. 271 (1794). 3 $ . Head with eyes in ^ microscopically pubescent, barely contiguous at nearest approach, and for a very short distance only,, gradually separating to vertex ; i'rons shining black, with yellowish hairs ; ocelli yellowish ; frontal triangle with yello \vish -grey pubescence ; face and underside of head yellowish, with a little whitish pubescence ; proboscis large, black ; antennae with 1st joint distinctly longer than 2nd, orange-yellow, 3rd brownish, 4-annulatecl, tip black ; occiput black. In $ , whole head, in- cluding the rather broad postocnlar orbits, yellow or orange- yellow ; a broad shining black band across vertex from eye to eye, sometimes with the appearance of being formed of three large contiguous spots ; a pair of large oval shining black spots on frons, placed transversely and slightly diagonally ; a pair of similar smaller rounded spots below level of antennae and just below the larger ones. Thorax black, with very short golden or greyish pubescence ; sides black, a large pale yellow oblong spot below shoulders, another in front of wing-bass, the two spots generally connected above ; a third yellow spot below wing-base. 8cutellum yellow, base black, spines generally extremely small, occasionally normal in size. Abdomen of d1 normally yellowish, with a large rounded or somewhat diamond-shaped spot spread over middle of first two segments ; a spot on middle of 3rd segment from anterior to hind margin, narrowed behind ; on anterior margin towards sides of 2nd segment, a small spot ; a similar larger one an each side of 3rd segment ; on 4th and 5th segments a broad band on anterior margin tilling about half the surface, the two bands con- nected by a short median stripe ; all the above markings black. In some males the marks are reduced to a dorsal row of small detached rounded or angular spots ; in one d the abdomen is wholly yellowish except for a single small black spot on 2nd seg- ment. In $ a large spot similar to that of the d spread over middle of 1st and 2nd segments, with a small spot towards each side in a line with it; sometimes the three spots more or les» united by a short connecting stripe ; in one $ the spots were re- placed by a definite uninterrupted broad band ; abroad black band on anterior margin of 3rd, 4th, and 5th segments nearly filling the sufraces and sometimes united in the median line by a dorsal stripe. Venter in both sexes mainly yellowish. Leys brownish yellow; femora with a broad median dark brown band; hind tibiae with a similar band on apical half, generally leaving the lip pale ; tips of tarsi barely darker. Witu/s absolutely colourless, anterior veins and stigma very pale yellow; discal cell unusually small, occasionally larger in individuals ; discal cell veinlets almost invisible ; halteres yellowish. Length, 4-5 mm. Described from several specimens of each sex, including types of ODONTOMYIA. 67 ochrace(^,sulm^ltica,Sind^ndic(l : Siliguri ; liampore, Chaka, United Provinces, 23-31. ii. 1907 ; Eanchi ; Bareilly ; Calcutta, 21.iii. J907, 14. vi. 1907, 22. vi. 1907 (Paiva), 23. viii. 1907, 28. ix. 1907. My indica was described from Chapra, Bengal (Mackenzie}. The four prominent black spots on the front of tlie head, the bands on the legs (though these are sometimes much paler than usual), the very reduced discal cell, and very small scutellar spines all combine to characterize very distinctly this variable species. The form with wholly yellow abdomen, except for a single small black spot at base of 2nd segment, is represented by a . #mtZwith frons almost linear, brilliantly shining violet and blue, with short soft black hairs ; ocelli placed much below the vertex, small, pale yellowish brown, ocellar triangle very slightly elevated; the slight protuberance above the antennae pale whitish yellow ; face blackish, with black hairs, lower part of head reddish brown, prominent ; back of head black, with a fringe of white hairs. Antennae with 1st and 2nd joints black, shining, 3rd joint and the overlapping inner side of the 2nd joint coffee-brown; arista black, apical. Thorax dorsally and scutellum brilliantly shining violet, with rather copious brownish-grey hairs ; thorax below 76 STttATIOMYIDJE. dorsuin brilliantly shining peacock-green, with short whitish hairs ; a small brownish-yellow spot on the shoulders is connected with the wings by a very narrow brownish-yellow ridge delimiting the dorsal and ventral surfaces. Abdomen brilliant shining violet, with pale grey hairs ; venter similar. Legs : femora black, with short white hairs, a little brownish yellow at base ; the knees of similar colour and the coxae with a mark or two of the same shade ; tibiae black, more or less yellowish on apical part, the whole surface with short pale yellow hairs ; tarsi dark, with pale hairs ; under- side of hind tarsi with short, very dark golden-brown pubescence. Wings grey ; stigma ill-defined ; this region of the wing brownish ; veins dark brown ; halteres yellowish, Length, 14 mm. Described from one $ in the Indian Museum from Ukhrul, Manipur, Assam, 6400 ft. (Rev. W. Pcttiyrew). 46. Ptecticus aurobrunneus, sp. nov. c? . Ifead with vertex and frons down to its narrowest part deep orange ; former with golden and brown hairs intermixed, latter with golden hairs only; frontal triangle bright lemon-yellow, nearly bare ; oeellar triangle black, ocelli with a reddish tinge ; face, mouth, and proboscis orange-yellow ; antennae orange, arista black, orange at base ; eyes black ; occiput yellowish, reduced, owing to the margins of the eyes themselves curving backwards considerably. Thorax dorsally and scutellum dark chestnut- brown, with just a suggestion of three darker stripe?, wholly covered with short, dense, though inconspicuous, golden pu- bescence ; propleura, pteropletira, metapleura, and metanotum lighler chestnut-brown ; mesopleura and sternopleura shining blackish ; whole sides of thorax, even to the mesopleura, with short dense golden pubescence, though at first sight they appear to be bare. Abdomen with 2nd to oth segments dark chestnut- brown, with short dense golden pubescence, which is invisible when viewed from in front, but from that view a large irregularly shaped black spot is seen in the centre of each segment, almost forming a dorsal stripe; 1st segment and tip of abdomen black, with some yellow or golden hairs ; genitalia and vertex dark brown, the latter with microscopic golden pubescence, only visible when viewed from in front. Leys with front coxa3 brownish orange ; posterior coxae dark brown, all with a little golden hair ; rest of legs bright orange ; posterior femora black on basal half ; tips of tarsi a little darker. Whigs rather dark brown ; a small space in both basal and discal cells slightly paler, and traces of similar lighter spaces in the centres of some of the other cells; halteres pale yellowish. Length, 21 mm. Described from a unique J in the Indian Museum from Purambikulam, Cochin State, 1700-3200 ft., 16-24. ix. 1914 (Gravely}. PTECTICUS. 77 47. Ptecticus wulpii, Erun. Ptecticus wulpii, Brunetti, Rec. Ind. Mus. i, p. Ill (1907); id., op. cit. ix, p. "263 (1913). Ptecticus apicalis, Wulp (nee Loew), Notes Leyd. Mua. vii. p. 62 (1885). c? $ . Differing from P. aurifer. Walk., as follows : — Abdomen normally all orange to tip, 1st segment a little darker, and often, if viewed from behind, a large blackish spot is seen in the middle of each-segment, sometimes diamond-shaped, sometimes irregular in shape, covering nearly all tho surface of each segment ; genitalia brownish orange, this latter being the best specific dif- ference of all. Another difference, which seems equally constant, is in the legs, which are all orange to the extreme tips except for the moderately dark brown posterior coxae and basal half of the posterior femora. The black apical part of the wing is of much less extent, not beginning till some distance beyond the discal cell ; some specimens have the wing darkened from the tip only up to midway between the discal cell and the wing-tip. Same size as aurifer. Described from two d1 d1 in the Indian Museum, one rf one $ in the Pusa collection : Darjiling District, 1000-3000 ft., v. 1912 ; Singla, iv.1913; Nilgiri Hills, 3500 ft. (Andreives), 7000 ft., v. 1904 (llowson); Panunbikulam, Cochin State, 1700-3200 ft., 16-24. ix. 1914 (Gravely), Unless P. aurifer,W&\k., should prove to have fulvous genitalia, P. ivulpii is easily separated from all the other species in this group bv that character alone. It presents an extraordinary resemblance to the Tipulid, Pselliopliora compedita, Wied., and both have been seen by me from the same locality. 48. Ptecticus apicalis, Lw. Ptecticus apicalis, Loew, Verh. zool.-bot. Ges. Wien, v, p. 142, pi., figs. 3, 4 (1855) ; Brunetti, Rec. Ind. Mus. i, p. 110 (1907). Sargus hiridus, Walker, Proc. Linn. Soc. Lond. i, p. 8 (1856). Brownish red-yellow, shining ; 4th abdominal segment with a very large black spot, the next wholly dull black, the rest deep black, rather shining; venter much as upper side of abdomen. Frons very narrow, reddish yellow; lower part whitish yellow; ocelli placed on a blackish cross-band; frontal triangle whitish yellow, puffed up. Antennae light reddish yellow, 3rd joint barely visibly annulated, tip truncate. Legs concolorous with body ; hind tibiae always darker towards tip ; front and middle tarsi with last two joints darker, also hind metatarsus. Wings large, reddish yellow up to beyond discal cell, becoming grey towards hind margin ; a large blackish-brown spot filling more than apical third of wing. STRATIOMYiDJt. Lemjtli, 15 mm. Described from Pulo Penang ; in "Westermann's collection, Vienna Museum. 49. Ptecticas aurifer, Wall: Sargus aurifer, Walker, List Dipt. Brit. Mus. v, p. 96 (1854). Ptecticus aurifer, Brunetti, Rec. Ind. Mus. i, p. 110 (1907). 3 2 ' Head with eyes in <$ with their point of nearest approach distinctly below halfway between vertex and base of antennae, the space between them perhaps ^ to \ of a millimetre ; thence upwards frons widening gradually till at vertex it is almost 1 milli- metre broad ; bright orange with orange pubescence ; frontal triangle elevated, shining, smooth, lemon-yellow, bare, except for a smull tuft of orange hairs just above base of antennas ; face very small, yellowish, as are the very narrow inner lower eye-margins near the very large mouth-opening ; occiput black, upper margin with yellow pubescence ; ocelli yellow on a black ocellar triangle ; proboscis and the very large labella orange-yellow, with a few hairs. Antenna? orange, tip of upper side with a black mark, arista black, orange at base. Frons in $ at narrowest part dis- tinctly broader than in c? , so that it is only about two and a half times broader at vertex than at frontal triangle. Thorax : sides, scutellum, and metanotum bright orange, all with a little very short yellow or orange pubescence, which is a little longer on the sternopleura, metapleura, and metanotum ; dorsum sometimes with a little more brown in it and sometimes, especially in the $ , traces of three longitudinal brownish stripes can be seen. Ab- domen normally with first four segments bright orange, remainder (including genitalia) black, but the orange segmentsof ten have more or less brown in them, sometimes in the form of large transverse spots occupying neaily all the segments; sometimes the whole dorsum is uniformly more brownish ; the first four segments with very short inconspicuous golden-yellow pubescence, the rest with almost microscopic greyish pubescence. Yenter mainly orange on first four segments, remainder black, but 4th, and sometimes 3rd also, often bear large blackish patches. Legs all orange, with short yellow pubescence ; last two joints of anterior tarsi brown ; about apical halt' of hind tibiae brown ; hind tarsi blackish brown, especially first two joints, underside with rich golden-brown pubescence. Wings with basal half up to just beyond discal cell bright orange-yellow, remainder moderately dark brown ; veins a little deeper orange, veinlets from discal cell dark brown, 3rd only moderately sinuous ; halteres orange. Lemjtli , 1 2-20 m m . Described from a series in the Indian Museum, Sarawak Museum, and Pusa collections: Mussoorie, 6500 ft. (Bond}; Darjiling, 1000-3000 ft., v-vi. 1912 ; Peshoke Spur, Darjiling PTECTICUS. 79 Distr., 4000 ft., v-vi. 1916 ; Lebong, Darjiling Distr., 4500 ft., 2-9. v. 1909 (Hoivlett) • Singla, Darjiling Distr., 1500 ft-., iv. 1913 ; Siliguri, base of Darjiling Hills, 18-20. vii. 1907 ; Sikkim ; Mar- gherita, Assam; Nongpoh, Khasi Hills, Assam, 1000-3000 ft., vi. 1905 ; also from Matang, Trusan, Klinhang, and Kuching (all Borneo). This is the commonest Indian species, apparently. 50. Ptecticus anstralis, Sch. Ptecticus austraKs, Schiner, Novara Reis., Dipt. p. 65 (1868) ; Brunetti, Rec. Ind. Mus. i, p. 113 (1907). <$ $ . Head : eyes in ). Easily known from all other Indian species by its great size and splendour. The Indian Museum specimens from Tenasserim were named by Bigot as his maytiifaus, but. I now feel sure they are synonymous with Walker's yemmifer, and possibly pubesccns, Wulp. may be another synonym. 53. Sargus metallimis, F. (PI. I, tigs. 22, 23.) Sar ) pubescence ; pletirce concolorous, with shorter pubescence. Abdomen metallic shining yellowish bronze or cupreous in tf , violet or blue in $ , with dense though not conspicuous yellow pubescence towards sides in (5 , the dorsal region often nearly bare ; whole surface in $ with short white pubescence, a little longer towards sides ; venter generally dark brown or aeneous, shining, with microscopic pubescence. Legs pale yellow, with very short pale yellow ( d1 ) cr white ( $ ) pubescence. Wings pale yellowish grey or pale brownish, stigma a little darker; halteres pale yellowish or white. Length, 9-10 mm. Described from a considerable number of both sexes in the Indian Museum, Pusa, and Dehra Dun collections and my own. Common and widely distributed in India in May and July to October up to 5000 ft. ; also generally distributed in the East, Rangoon, Singapore (both Srunetti); Borneo, Java, Amboina, Aru Islands, Shanghai. Bigot in 1887 described a second species, coming from North America, under the name pallipes. 54. Sargus mactans, Walk. Saryus mactans, Walker, Proc. Liun. Soc. Lond. iv, p. 97 (1860) ; Bruuetti, Reo. Ind. Mus. i, p. 107 (1907) ; de Meijere, Tijd. v. Ent. liv, p. 263 (1911). cJ . Head with frons extremely narrow, the sides never parallel, widening gradually above and below from point of nearest approach, aeneous yellow or brassy, with yellow pubescence on vertical and frontal triangles ; ocelli at some distance below vertex, upper ones contiguous to eye-margins ; face, mouth- opening, and proboscis yellowish orange, with a little yellowish hair ; antennas orange ; occiput black, a fringe of whitish hairs on lower margin. Thorax with dorsum, pleurae, scutelluiu, and metanotum brilliantly shining cupreous green, with rather dense soft yellow pubescence, which becomes whitish on anterior margin of dorsum ; a shoulder-spot, a narrow stripe thence to wing-base, extending over upper part, of sternopleura, brownish or yellowish. Abdomen brilliantly shining cupreous, sometimes with a green tinge, with rather dense yellow pubescence towards and at sides, G2 84 STKATIOMYID.?;. the pubescence in the middle of the segments almost microscopic ; venter blackish, shining, with short soft yellow pubescence ; genitalia with a violet tinge, rather small, with two terminal, cylindrical, palp-like lamellae. Legs yellow, coxae more or less black at base, especially hind pair ; hind tibiae slightly constricted just beyond middle, with nearly basal half black; hind tarsi with tips dark ; all legs with minute bright yellow pubescence, which is longest on hind tibise. Wings uniformly yellowish grey ; stigma a little darker, brownish yellow ; halteres yellowish. Length, 9-11 mm. Described from several specimens in the Indian Museum : Bhim Tal, Kumaon, 4500 ft., 19-22. ix. 1906 (Annandale) ; Almora, Kumaon, 5500 ft,, 10-21. ix. 1911 (Paiva)- Shillong, 4900 ft., l.vi. 1918 (.K«o); Katmandu, Nepal. It occurs also in Ceylon and the Malay Archipelago. A variety with a black streak on the posterior femora (two specimens)'was taken at Shillong, 5000 ft. (Fletcher) and 4900 ft,, 30. v. 191 8 (.Rao). Genus CHLOROMYIA, Dune. Chloromyia, Duncan, Mag. Zool. Bot. i, p. 164 (1837). Chrysomyia, Macquart, Hist. Nat. Ins. Dipt, i, p. 262 (1834). Myochrysa, Rondani, Dipt. Ital. Prod, iv, p. 11 (1861). Myiochrysa, Verrall, apud Scudder, Nomeu. Zool. p. 204 (1882). GENOTYPE, Musca formosa, Scop. ; by Verrall's designation (1909). Differing from Sargus mainly in the densely pubescent eyes, which are contiguous for a considerable distance in the d , the upper facets larger than the lower ; and wide apart with equal- sized facets in the $ ; 3rd antennal joint longer than in Sargiis : abdomen rather broader also, especially in the $ ; venation rather more indistinct, Range. Europe, South Africa, Asia, North America. Life-history. The common C. formosa, Scop., of Europe, has been bred from garden-mould and from Jirassica rufa. Some confusion has arisen over the generic names Chloi'om>/ia and Ghrysomyia (under which formosa was known in Europe for many years), which is concisely cleared up by Verrall (Brit. Flies, v, p. 1ST). Coquillett claimed designation of the same species as generic tvpe in 1910, presumably unaware of Verrall's priority. 55. Chloromyia sapphirina, DW/r. tiaryus sapphirimts, Walker, List Dipt. Brit. Mus. iii, p. 519 (1^49). " Body bright blue, tinged with purple ; head as broad as chest ; clypeus white ; eyes dark bronze ; mouth and feelers black ; chest and abdomen finely punctured, thinly clothed with short, 13RACITYCARA. 85 hoary hairs ; abdomen nearly elliptical, a little broader and longer than the chest ; legs blue, clothed with short hoary hairs; shanks and feet piceous ; shanks pale yellow beneath ; wings colourless ; wing-ribs and veins dark tawny ; poisers pale tawny. Length of the body 4 lines, of the wings 7 lines. "East Indies. From Archdeacon Clerk's collection. In the British Museum." Though described from the East Indies, it is probably from East India. Genus BRACHYCARA. Thorns. Brachycara, Thomson, Eug. Eesa, p. 460 (1868) (1869). GENOTYPE, Brucliycara ventralis, Thorns. Very near Cliloromyia. Head slightly narrower than thorax, nearly hemispherical ; face not prominent, convex ; mouth- opening large ; proboscis short, labella broad ; eyes bare. Antennae short, 3rd joint almost transverse, obconical, a little shorter than 2nd, six-ringed, last two annulations abruptly narrower. Thorax with humeri distinct. ; scutellum semicircular, unspined. Abdomen oval, broader than thorax, 8-segmented ; last three segments narrower, retracted. Legs moderately strong, slightly pubescent ; anterior coxae small, subovate, very little distant from middle pair ; hind pair subtriangular ; femora clavate fusiform ; tibiae hardly shorter than femora, unspurred ; tarsi hardly longer than tibiae, 1st joint longer than the remaining joints together. Wings longer than abdomen. Range. B. ventraHs is the only species. 56. Brachycara ventralis, Thorns. Brachycara ventralis, Thomson, Eug. Resa, p. 461 (1869) ; Brunetti, Eec. Ind. Mus. i, p. 104 (1907). c? $ . Head shining, with silvery-white pubescence, thicker below ; frontal triangle shining black, a small subtriangular white spot contiguous to each eye ; irons with a median furrow ; eyes in 3 broadly contiguous, bare ; proboscis yellowish white ; antennae brown, yellow in middle. Thorax and scutellum black, with depressed pubescence, which is golden brown and almost scale-like on the humeri ; a narrow line on mesopleurae whitish yellow. Abdomen yellowish red, a basal and apical blackish- brown spot ; venter wholly shining yellowish red, with very short pubescence. Wings subhyaline, veins yellow ; halteres pale yellow, clubs large. Legs yellowish red, all the tarsi and tips of hind tibiae blackish brown. Length, 5 mm. Cocos-Keeling Islands. The foregoing is a translation of Thomson's description, 86 STBATIOMYID^B. Genus PROSOPOCHRYSA, Meij. Prosopochrysa, de Meijere, Tijd. v. Ent. 1, p. 220 (1907). GENOTYPE, Chrysochlora vitripennis, Dol. ; by original de- signation. Near Microclirysa. Eyes bare, narrowly separated in d , facets of equal size ; occipital orbit extremely narrow ; frons prominent ; antennae rather short, 1st and 2nd joints subequal, 3rd as long as first two together, with four annulations, the 4th the smallest, pubescent ; arista practically apical. Thorax and abdomen sub- equally long, latter 5-segmented ; scutellum unarmed. Third vein simple, 2nd nearly erect ; discal cell 5- sided, only two veinlets issuing from it ;' the 3rd absent, and 3rd and 4th posterior cells therefore united. Range. India, Java. The absence of the 3rd veinlet from the discal cell might make the species appear to belong to the PACHYGASTRINVE, but in that subfamily the fifth posterior cell is in full contact with the discal, through the posterior cross-vein being absent. 57. Prosopochrysa vitripennis, Dol. Chri/sochlora vitripennis, Doleschall, Nat. Tijd. Ned. Ind. x, p. 408, pi. xi, fig. 2 (1856). Microchrysa albitarsis, Brunetti, Eec. Ind. Mus. viii, p. 156 (1913). c? $ . Head of tf with upper part of frons shining black or dark green, very elongate, and narrowed to point of nearest approach of eyes; below this point broad and prominent, brilliantly shining blue or violet ; head below antennae metallic bronze-green, \\ith black or dark brown pubescence; cheeks Fig. 5. — Prosopochrysa vitripe-nnis, Dol., lateral view of head. white-haired ; proboscis black ; occipital orbit very narrow, black, with whitish grey shimmer. Antennae wholly brown, sometimes 1st joint blackish, 2nd and 3rd yellowish; latter with four annulations ; arista long, practically apical, a little thickened basally where there are a few hairs on underside. In ? , frons PROSOPOCH HYSA . — M ICIIOCHBYSA . 87 one-fifth width of head, slightly tinged with blue, brilliant violet immediately above anteuriae. Thorax punctate, wholly brilliantly shining metallic blue or blue-green, with very short whitish pubescence. Abdomen metallic black or dark bronze-green, with very short sparse whitish pubescence, which is a little longer round margin and tip ; venter darker, nearly black. Legs black, with microscopic pubescence ; all the tarsi yellowish white except Fig. 6. — Prosopochrysa vitripeimis, Pol., wing. at tips. Wings clear, veins and stigmatic region yellowish ; 3rd vein simple, straight, ending at some distance before wing- tip ; halteres apple-green. Length, 5 mm. Redescribed from two c? d1 and three $ $ in the Indian Museum, and some in the Pusa collection. Genus MICROCHRYSA, Lw. Microchrt/sa, Loew, Verb. zool.-bot. Ges. Wien, v, p. 146 (1855) ; Brunetti, Rec. Ind. Mus. i, p. 103 (1907). Clorisoma, Eondani, Dipt. Ital. Prod, i, p. 168 (1856). Chlorosia, Rondarii, op. cit. iv,p. 11 (1861). G-ENOTYPE, Musca polita, L. (Europe) ; by original designation. Head broader than thorax, face small, slightly pubescent ; occiput concave in J , posterior eye-orbits distinct in $ ; ocelli equidistant ; eyes bare, in d1 contiguous, upper facets larger than lower ones, in $ widely separated, facets equal in size. Antennae of typical Sargid form, 3rd joint with four annulations, arista practically apical. Thorax longer than broad, slightly wider behind, shining metallic, with short dense inconspicuous pu- bescence. Abdomen very short, rounded, shining ; pubescence extremely short, though sometimes dense. Legs simple, tibiae sometimes slightly dilated apically. Wings of normal Sargid type, terminations of 4th vein less parallel ; thoracic squamae more normally shaped than in Saryus, pubescent. Ln all minor characters mainly as in Sargits. Itange. Europe, Asia, South Africa, North and South America. Life-history. The common M. polita, L., of Europe, seems to breed freely in cow-dung and decaying vegetable matter. M. ca1oj>a differs from M.jlaviventris, in which the abdomen is imicolorous, by a narrow pale border along the sides and tip, STRA.TIOMYM>.E. 58. Microchrysa flaviventris, \V\ed. Sargusflaviventris, Wiedemann, Anal. Ent. p. 31 (1824). Microchrysa Jlaviventris, Brunetti, Kec. Ind. Mus. i, p. 103 (1907). Sargus affinis, Wiedemaun, luc. cit. ; Brunetti, loc. eit. Chrysornyia annulipes, Thomson, Eugen. Resa, p. 461 (1869). Microchrysa gemma, Bigot, Ann. Soc. Ent. France, (f>) ix, p. 231 (1879) ; Brunetti, Rec. Ind. Mus. i, p. 103 (1907). c? $ . Head in <$ , vertex black, shining, with a few black hairs ; ocelli distinct, red ; e3res contiguous for rather more than half the distance from vertex to frontal triangle ; upper facets bright brown, much larger than the blackish lower ones ; frons blackish, with a few short pale hairs ; face brilliantly shining metallic green, bare ; proboscis and palpi rather bright yellow ; antenna? pale yellow, with 1st and 2nd joints subequal, 3rd rather longer than 2nd, with pale yellow arista ; occiput black, very concave ; no definite postocular orbit. In $ , frons forming one-third of the head, rather broader at vertex, brilliantly shining metallic blue-green, carried over the vertex to the blackish occiput and bearing a little short grey pubescence ; remainder as in J . Thorax brilliantly shining metallic green, with very sparse pale yellow pubescence on dorsum and parts of the pleurae ; scutellnm similarly coloured. Abdomen in c? brownish yellow, varying to a little lighter or more reddish individually, with microscopic pale yellow pubescence, 5th segment blackish ; venter yellowish, often more or less marked with black. In 5 , brilliantly shining green, with microscopic pale yellow pubescence ; venter generally brownish, sometimes yellowish or even metallic green. Legs pale yellow ; hind femora with broad median brown band and hind tibia? with broad apical band, both bands sometimes much paler. Wings colourless ; veins and the rather large stigma pale yellow ; halteres yellow. Length, 3^-4 mm. Described" from a considerable number of both sexes in the Pusa and Indian Museum collections and from other sources from many parts of India, dated March and from June to October. Also from Peradeniya, Ceylon, 15. vii. 1910 ; Java (Jacobson) ; Sibu, Sarawak, 2. vii. 1910 (Beebe). I have taken it myself in Mussoorie and Darjiling. Common and widely distributed in India and the East. Van der "Wulp records it from Papua. M. affinis, Wied., from East India, and M. gemma, Big., from Ceylon, are probably synonyms. 59. Microchrysa calopa, Bnm. Microchrysa calopa, Brunetti, Rec. Ind. Mus. vii, p. 453 (1912), $ . Head with frons broad, bright metallic green on vertex, changing insensibly to brilliant violet-blue just above antenna), with very short pale yellow pubescence ; face metallic green ; oral opening brown ; eyes dark brown, the upper corners rounded off, UEBINJE. 89 thus widening the vertex considerably : occiput dark ; antennae pale yellow, tip of 3rd joint, which has a slight reddish tinge, shortly pubescent ; 1st and 2nd joints with one or two micro- scopic hairs. Thorax with dorsum brilliant metallic green, with very short pale yellow pubescence ; venter similarly coloured and pubescent, sharply delimited from the dorsum by a narrow yellow side-ridge at the level of the Avings ; posterior calli yellowish. Scutellum and metanotum brilliant green, the former with pale yellow hairs and yellow underside. Abdomen dorsally violet, not intense, shining, and with a bluish tinge in certain lights, with pale yellow pubescence ; the colour covers all the surface except a narrow, irregular, yellow border round the edges ; venter yellow, shortly pubescent. Legs wholly yellow, except a broad brown ring on distal half of hind femora, and the blackish hind meta- tarsus. Wings clear, stigmatic area pale yellow ; halteres deep yellow. Length, 3 mm. Described from two $ $ in good condition in the Indian Museum, from Margherita, Assam, arid Paresnath, Chota Nagpur, 4400 ft., v. 1909 (Dr. Jenkins). Subfamily BERING. Head semicircular ; eyes large and prominent, bare or hairy ; antennae with 3rd joint moderately elongate and more or less cylindrical, but not conspicuously so, with eight annulations and no apical style or arista. Thorax roughly oblong; scutellum generally with four or six marginal spines, occasionally eight, and in individuals an odd number may occur ; pubescence of thorax continued over spines. Abdomen with at least seven obvious seg- ments, longer than thorax, dorsum flattened, sides approximately parallel. Leys simple, moderately strong; 1st joint of hind tarsi generally dilated in tf ; spurs on middle tibize in rare cases.*5 Wings not of the normal Stratiomyid type, all the veins, except an occasionally obviously abortive one, running out to wing-margin : 2nd vein short, beginning opposite base of discal cell, ending near tip of 1st ; 3rd vein forked, both branches ending before wing- tip; 4th vein with only two terminations (as in PACHYGASTRIN.E), as the 5th vein forms the hinder side of the discal cell ; posterior cross-vein therefore absent ; anal cell closed at some distance from wing-border ; squamse small. This subfamily is easily distinguished from all others except XYLOMTTKYE by the 7-segmented abdomen and by the anterior veins not being crowded together ; whilst from the XYLOMYIN;E it is separated by the 2nd vein (prffifurca) originating opposite the base of the discal cell instead of at some considerable distance before it, also by the open 4th posterior cell. Their usually * Acanthomyia. for instance, a European genus. 90 STKATIOMYID.E. aeneous or metallic colour also renders them conspicuous, and though in this they resemble the SABGIN-E, the latter are always easily known by the anterior cross-vein connecting the discal cell with the praefurca instead of with the 3rd vein. The frequently dilated hind metatarsus in the cJ is & further character of the BERING. The life-histories of a few European species are known, but not that of Bens. That of Chorisops tibialis has been described by Handlirsch. The larvae live in the earth and decaying matter. Table of Genera. Scutellum unspined AM.OONOSTA, Ost.-Sack., p. 93. Scutellum spined. Palpi minute or obsolete ; eyes con- tiguous in cJ " BERIS, Latr.. p. 90. Palpi rather long ; eyes not con- tiguous in rf CHORISOPS, Rond., p. 92. Genus BERIS, Latr. lierit, Latreille, Hist. Nat. Crust. Ins. iii, p. 447 (1802). Oplacantha, Itondani, Arch. Zool. Modena, iii, p. 87 (1863). He.racantha, Lioy, Atti 1st. Yen. (3) ix, p. 586 (1864). Octacantha, Lioy, loc. cif. GENOTYPE, Musca clialybeata, Forst., as Stratiomys 6-dentata, F. (Europe) ; by original designation. Head almost semicircular, transverse, as broad as thorax ; face short, pubescent ; eyes large, contiguous in tf (with rare excep- tions), wide apart in $ , densely hairy in tf , upper facets larger than lower, less hairy in $ with all equal facets. Proboscis well developed, palpi rudimentary. Antennae porrect, nearly as long as head; two basal joints short, subeqnal, bristlv; 3rd elongate with eight annulations, the first and last being the longest. Tlwrax rather arched, closely pubescent in <5 , less so in $ ; scutellum with four to eight spines bearing pubescence (occasion- ally an odd number in individuals). Abdomen hardly broader than thorax, flattened, sides nearly parallel, at least 7-segmented ; genitalia more developed than in the other subfamilies. Legs simple, of moderate si/.e ; hind metatarsus dilated in <$ and elongate in both sexes. Wings longer than abdomen, not of the typical Stratioinyid nature; anterior veins not crowded together, all veins distinct and generally reaching wing-margin ; 2nd vein rather short, enclosing the conspicuous large dark stigma ; 3rd vein rather widely forked, both branches ending before wing-tip ; 4th vein with only two terminations and occasionally an abortive third ; posterior cross-vein absent as upper branch of 5th vein forms hinder side of discal cell ; anal cell closed at some distance from border of wing. Alar squamae of moderate size ; thoracic ones undeveloped. BERIS. 91 Range. Europe, Orient, Australia, North and South America. Life-history. The European B. chalybeata has been bred from moss, but the metamorphoses of the genus are not well known. The perfect insects prefer marehy situations, but are generally distributed. Col. Yerbury records the males of some British species as performing a rather wild aerial dance. The two Indian species of Berts are easily distinguished : — Legs mainly dark brown yeniculata, Curt. Legs yellow ; femora and hind tibiaa with brown bands, annulipes, Brun. 60. Beris genicnlata, Curt. Beris geniculata, Curtis, Brit. Ent. via, p. 337 (1830). c? $ . Head : frons in <$ rather large, shining black, with a de- pressed median channel on upper part ; face and lower part of head shining black ; frons and face with rather dense blackish-brown pubescence ; vertex wholly occupied by the considerably elevated ocellar triangle, bearing blackish-brown hairs; proboscis black, labella orange, palpi black ; eyes contiguous for a considerable dis- tance, with dense blackish-brown pubescence on front part, less dense on rest of surface, facets of upper half much larger than the others ; antenna? black ; 3rd joint not quite twice as long as the 1st and 2nd put together,* gr-eyish on inner side about the middle, tapering to tip after about 3rd or 4th annulation, extreme tip with two or three minute bristles. In $ , frons nearly one-third of head, shining black, as is the face, both with short pale pubescence ; eyes with very short pubescence. Thorax and scutellum metallic shining green or blue-green, the former dis- tinctly punctate except towards hind margin; scutellum impunc- tate ; both with rather dense blackish pubescence, which is less dense on scutellum ; the latter with eight shining green spines (normally in European specimens only six). In the $ , pubescence on dorsum of thorax pale and short, rather depreised. Abdomen very dark brown, nearly black, with rather long pubescence towards sides, which is brownish in tf , pale yellowish and much shorter in $ ; venter shining brown ; genitalia rather small. Legs very dark brown, tips of femora narrowly orange ; base of tibia? orange to about one-third on anterior legs and to a quarter on hind pair ; anterior metatarsi pale, rest of tarsi black, hind metatarsi pale, considerably and equally dilated throughout their length except at base and tips, longer than four remaining joints together, the latter black. Wings brown, costal cell a little paler ; stigma large, dark brown, oval ; in $ wings clearer ; halteres brownish orange. Length, 4—5 mm. * A slight error as to the length of the 3rd autennal joint seems to have crept into Yen-all's usually scrupulously correct writings, as he contradicts himself in the tahle ot species and the description. The discrepancy may not be important. 02 8TRATIOMTIDJ5. Described from a J and two $ $ in the Indian Museum taken by me at Darjiling, 6900ft., 2.x. 1908. Whether this species is the true B. geniculata of Curtis is not, quite certain, as though it agrees in practically all other points, the difference in the width of the frons in the $ is important : less than one-fourth the width of the head in true yeniculata and nearly one-third in the present form. My specimens are also distinctly a size smaller, 4-5 mm. against about 6. B. genieulafa, Curt., is recorded from Central and Southern Europe. 61. Beris annulipes, Brun. Beris annulipes, Brunetti, Itec. Ind. Mus. vii, p. 455 (1912). $ . Head with frons nearly one-fourth the width of the head : brilliantly shining, dark blue, uniformly wide ; occiput shining black, with a little grey hair on posterior ocular orbits ; eyes very shortly but distinctly pubescent ; proboscis reddish yellow. An- tennae with first two joints black, with bristly hairs ; 3rd joint yellowish on basal, black on apical half ; a little grev hair about the base of the antennae. Thorax brilliantly shining violet-blue, with yellow pubescence on dorsum ; scutellum brilliantly shining peacock (greenish) blue, with six strong equidistant shining darker green spines on hind margin. Abdomen violet, moderately shining, sides with brownish yellow pubescence ; venter darker, with short yellow hairs. Legs yellow ; tips of anterior femora with an indis- tinct brown band; hind femora and tibiae with u distinct broad brown apical band on each ; tarsi marked extensively with brown. Wings grey, upper part (except costal cell), as far hindwards as to include the anterior basal and first posterior cells, brown ; halteres yellow. Length, 6J mm. Described from one example taken by me at Darjiling, 7000 ft., 27. v. 1910 ; in the Indian Museum. Genus CHORISOPS, Uond. CJiorisops, Rondani, Dipt. Ital. Prod, i, p. 173 (1856). Clilontopn, Brauer, Denks. Ak. Wien, xliv, p. 72 (1882). GENOTYPE, Beris tibialis, Mg. ; by original designation. Differing from Beris by the palpi being elongate, as long as proboscis, and the eyes in the d distinctly though rather narrowly separated. Eyes bare in both sexes. Scutellum with four yellowish spines. Genitalia in c? very protruding. Hind tibife incrassaled after the base, especially in d1 . Wings with 3rd vein more shortly forked ; 4th vein with an abortive 3rd termination ; lower branch of 5th vein much curved, closing anal cell far before the wing- border ; stigma very distinct. Range. Europe, India, Chile. CHOBI80PS. ALLOGNOSTA. 93 Life-history. The metamorphoses of C. tibialis have been well described by Handlirsch.* 02. Chorisops tibialis, %. Beris tibialis, Meigen, Syst. Beschr. ii, p. 3, pi. xii, fig. 8 (1820). Chorisops tibialis, Brunetti, Rec. Ind. Mus. vii, p. 456 (1912). Actina hyaUventris, A. Costa, II Giamb. Vico Napoli, ii, p. 455 (1857). d1 $ . Head : irons shining in tf , blue-black or dark green, one- eighth width of head at vertex, narrowing to half that width on lower half; in $ about one-fifth of head at vertex, slightly narrow- ing downwards, greenish black; vertex with black hairs, frons with pale pubescence ; face shining white ; proboscis dull orange, palpi yellowish, porrect, distinct; eyes bare, facets all equal. Antennas rather longer than head (longer still in $ ), brownish black, pale below towards base, variable ; 3rd joint 8-annulated. Thorax and scutellum brilliant shining green, finely punctate, with fine yellow pubescence ; pleurae with pale pubescence, middle part of mesopleura bare ; scutellar spines yellow, with a long apical hair (besides other hairs); humeri yellowish in $. Abdomen black, moderately shining, more or Jess yellowish on the disc (especially in the $ ), including generally the greater part of the 3rd and 4th segments ; pubescence short and dark ; pale yellow at sides down to 4th segment ; venter more yellowish than dorsum ; genitalia very distinct, and protruding, connected with last abdo- minal segment by a short neck. Legs yellow to dull orange : tarsi blackish from tip of 1st joint ; hind femora brownish yellow, variable ; hind tibiae mainly blackish brown, considerably incras- sated after the base ; hind tarsi rather short, 1st joint incrassate, as long as remaining joints together ; pubescence of legs pale yellow ; 5 with legs paler than in the d . Wings with a faint brown suffusion ; stigma large, dark brown, sometimes paler in 2 ; halteres yellow, with large knobs. Length, 6 mm. The above description is abridged from Verrall.t Binsar, Kuinaon Distr., W. Himalayas, 28, v. 1912 (Dr. A. D. Itnms). Genus ALLOGNOSTA, 0. S. Alloynosta, Osteu-Sacken, Berl. Ent. Zeits. xxvii, p. 297 (1883). Metoponia, Loew (nee Macq.), Dipt.-Faun. Siidafr. i, p. 1 (1860). GENOTYPE, Beris fuscitarsis, Say ; by designation of Coquillett, 1910. cJ $ . Head transverse, rather flattened, as broad as thorax ; eyes contiguous in d* ; frons in $ rather prominent, convex (in assar.iensis), between one-third and one-fourth width of head. Antennas set at middle of head in profile ; scapal joints subequal, * Yerh.iool.-bot. Ges. Wieu, xxxiii, p. 243 (1883). t British Flies, Stratiomyidte, &c., v, p. 214 (1909). 94 STRATIOMTID.S:. cylindrical, 3rd with eight annulations, 1st the largest, about as large as 2nd scapal joint, remainder annular, slightly narrowing in width towards tip. Proboscis and palpi short, latter not extend- ing beyond epistonia. Thorax subquadrate, corners rather angular, rather broader behind. Scutellum fully semicircular, convex, unarmed. Abdomen longer and slightly wider than thorax, ovate, with tip rather pointed, 8-segmented ; geuitalia small. Leys simple, moderately long and strong. Wings with normal Berid venation ; 2nd vein rather sharply upturned towards tip ; anterior branch of 3rd vein nearly erect ; only three endings to 4th vein ; discal cell large, hexagonal ; anterior cross-vein just beyond base, posterior cross-vein at about the middle ; anal cell large, closed a long way before border. Ranye. Europe, India, America. Ho previous description of the genus appears to have been given. Loew placed certain new species in what he took to be Metoponia, Macq., but Osteii-Sacken in pointing out his mistake merely renamed Metoponia, Lw., as AUognosta, without character- ising it, as he had no specimens available of the genus at the time. * In A. vayans the legs are all black except at the knees; in A. assamensis the anterior femora and middle tibiae are yellow. 63. Allognosta vagans, Lw. (PI. I, figs. 25, 26.) Metoponia vayans, Loew, Besch. Europ. Dipt, iii, p. 71 (1873). Alloynosta inermis, Brunetti, Rec. Ind. Mus. vii, p. 455 (]912). J . Head with vertex very small, occupied by the three ocelli ; eyes with uniform, very small facets, bare, contiguous; frons an equilateral triangle, moderately large, blackish seen from above, but with grey reflections viewed from other directions ; occiput blackish. Antennae black, normal, as in Beris ; the 3rd joint with seven annular impressions, appearing as if composed of eight closely compressed joints. Palpi and proboscis black; the under- side of the large labella yellowish. Thorax &\\A scutellum blackish, with a slight aeneous tinge, microscopically roughened, and with microscopic yellow hairs ; the anterior margin and shoulders with ;i very little short yellowish hair, which extends also over the pleurae to some extent. Scutellum unspined, with microscopic yellow hairs. Abdomen dull black, barely shining, the sides with very short yellow hairs; venter similar, with very minute yellow hairs. Genitalia consisting of a pair of blackish, fairly thick claspers, each with a small narrow appendage ; there being also an upper pair of yellow, hairy, linger-like appendages. Leys black, the knees distinctly but not broadly yellowish brown ; pulvilli pale yellowish. Wings blackish brown ; stigma large, well defined, brown ; halteres black. * As to the supposed identity of Metoponia, Macq.. aiid Metoponia, Lw., see Bruiietti, Rec. Ind. Mus. vii, p. 455. AlLOGKO&TA. 95 Length, 44 mm. Described" from a unique r? in the Indian Museum taken by me at Darjiling, 7000 ft., 29. v. 1910. I found the species not uncommon at Hankow, China, 22-26. iv. 1906. 64. Allognosta assamensis, sp. nov. $ . Head as broad as thorax ; frons very retreating, slightly swollen on upper corners, where it projects above eyes in profile, forming half width of head, black, shining, parallel-sided, closely punctulate, and with almost microscopic brownish pubescence ; lower part smooth, vertical triangle small and low; ocelli incon- spicuous ; face as broad as frons, sides parallel, shining black, bare ; two large, dull grey tomentose spots placed diagonally just below base of antennae, their upper corners nearly touching; proboscis brownish black, palpi black, rather long ; occiput black; eyes bare, small, only a little over half height of head ; posterior orbits on upper half only, rapidly diminishing and disappearing at about middle of eye. Antennae placed below middle of head in profile ; first two joints subequal, cylindrical, pale yellow; 3rd with eight anuulations, 1st annulation broadest and longest; basal part of fiagelluin brownish yellow, gradually becoming blackish at tip. Thorax subquadrate, barely wider behind, front corners rather angular, hind corners cut away by the very distinct brown posterior calli ; dorsum thickly punctnlate, with very short soft yellowish- brown pubescence; the moderate-sized semicircular scutellumand the pleura similarly clothed, black ; a broad yellowish-white stripe on upper part of latter from anterior margin to wing-base; meta- notuin small, dull brown. Abdomen 8-segmented, practically bare ; 1st and 2nd segments almost coalescent, 6th distinctly narrower than 5th, and the 7th and 8th narrower than 6th ; all blackish brown, or even slightly violet-tinged; middle half of 1st, 2nd, and 3rd yellowish (the pale part probably variable in extent); venter mainly yellowish, but blackish at sides and tip. Legs mainly yellow; apical three-fourths of front tibiae and all front tarsi, last three joints of middle tarsi, apical half of hind femora, hind tibiae (except narrowly at base), and last two joints of hind tarsi black. Wings pale smoke-grey, a very little darker at tip ; stigma large, black, conspicuous, clearly demarcated and filling all marginal cell except extreme tip, which is slightly yellowish, as is also the costa for a very short distance at this point : 1st submarginal cell practically clear, except at the very narrow base and extreme tip, thus in striking contrast to the dark contiguous stigma ; extreme base of wing clear; 5th and 6th veins yellow, remtu'nder dark brown ; halteres with stem yellowish white, clubs large, oval, black. Length barely 5 mm. Described from a single $ in the Indian Museum from above Tura, Garo Hills, Assam, 3500-3900 ft., viii. 1917 (Kemp). 96 STRATIOMYIDJ:. Subfamily XYLOMYIN^. Head with eyes separated iu both sexex ; face depressed in middle ; palpi elongate and upturned ; antennal 3rd joint elongate, with eight annulations and generally a minute apical bristle. Thorax practically bare, subquadrate ; scutellum unspined. Abdo- men of 7 to 9 segments, elongate, longer than thorax, with nearly parallel sides ; genitalia of d conspicuous. Legs moderately long and stout, bare or nearly so, hind femora often incrassate or spinose below ; posterior tibiae with two spurs. Wings not of the normal Stratiomyid type, all the veins reaching wing-margin, the anterior veins not crowded together ; 2nd vein (praefurca) originating some distance before base of discal cell, the latter much more elongate than in any other subfamily ; costal vein complete, ambient vein present for at least some further distance ; 3rd vein with an elongate fork, lower branch ending at about wing-tip ; 4th vein with three terminations ; 4th posterior cell closed near wing-border, a special character of this subfamily ; five posterior cells ; posterior cross- vein normally present, but in some species the contact of upper branch of 5th vein with discal cell is practically punctiform, in which case cross-vein absent ; alar squama? very small, thoracic squamae absent. The XYLOMYIN^ resemble the BERINJG more than any other sub- family, and the principal distinguishing characters are given under BEHIND. Further characters of the XYLOMYI^^E are the depressed face, the much more elongate discal cell, the unspined scutellum, the non-metallic or aeneous nature of the species, and the undilated metatarsus in the art than at vertex, black, with a little bright yellow pubescence and some whitish pubescence just above antennae ; face black, with a little whitish pubescence, more conspicuous near eye- margius ; occiput black, practically bare ; antennae and palpi wholly orange-yellow. Thorax black, dorsum and pleura3 with very short yellow pubescence, minutely punctulate ; humeri and a ridge thence to wing-base, also the scutellum bright yellow. Abdomen yellow, punctulate like thorax ; a large dark blackish- brown spot on each segment, leaving only the sides and hind margin of each narrowly pale ; genitalia very small ; venter much as dorsum, but the yellow of gi-eater extent. Legs yellow, extreme tip of underside of hind femora very dark brown. Winys nearly clear ; venation normal, veins brown ; halteres yellow. Length, 4 mm. Described from several specimens in the Pusa collection from Chapra, Beiigal (Mackenzie). 66. Xylomyia calopodata, Mg. Subula calopodata, Bigot, Ann. Soc. Eut. France, (5) ix, p. 195 (1879). Xylomyia calopodata, Brunetti, Rec. Ind. Mus. i, p. 87 (1907). Head with frons above antennae one-fourth width of head, a little narrower at vertex, black, with grey or yellowish grey pubescence ; ocellar triangle slightly elevated, rather large, black ; ocelli yellowish ; face apparently dark, with a little whitish E1 scence ; labella very large, dark reddish brown ; palpi very and prominent, sharply upturned, hiding all the face, bright rt' ; occiput dark, grey-dusted, with a friuge of whitish pubescence, which dies away on upper margin and is longest on lower part ; antennae dark brown, underside, especially on basal half, yellowish. Thorax black, slightly shining, closely punctulate, with minute black bristles and very short yellowish-grey pubes- cence, which also covers the greater part of the pleurae ; humeri prominent, bright yellow, with a ridge thence to wing-base ; scutellum yellowish ; metanotum black. Abdomen black, slightly shining : closely punctulate, with minute black bristles and soft short yellow pubescence ; hind margin of each segment except 1st narrowly but distinctly yellow, bare and shining ; venter similar ; genitalia rather small. Legs bright yellow, with microscopic pale pubescence, tips of femora (and for a rather greater distance on underside) also very narrowly at base, tips of hind tibiae broadly, anterior tarsi on apical half, and hind tarsi entirely black. Wings XTLOMTIA. 99 clear, highly iridescent ; venation normal, veins dark brown ; halteres yellow. Lenyth, 9 mm. Described from a single specimen in the Indian Museum, from Xaini Tal, W. Himalayas, 6000 ft., 5. vi. 1909 ; a second speci- men from Shillong, 5000 ft. (Fletcher}. 67. Xylomyia nigricornis, sp. nov. $ . Head with irons gradually widening from vertex to aboVe antennae, where it is barely one-fifth the width of the head, wholly covered with yellowish pubescence, except immediately above antennas, where the pubescence is yellowish white ; vertex dark grey tomentose, with golden-yellow pubescence ; ocelli not very conspicuous ; face with nearly parallel sides, fractionally wider than lower part of frons, black, with greyish or yellowish grey pubescence : inner margin of eye slightly cut away a little above antenna?, at a spot where there is a peculiar and conspicuous shining, black, smooth, elongate, triangular space devoid of facets ; antennae blackish brown, a little pale about inner and under side ot 2nd scapal and 1st flagellar joints ; proboscis orange-brown; palpi bright lemon-yellow, very large and erect, nearly hiding the face ; occiput grey-tomentose, with some golden-yellow hairs on margin, and longer ones just behind vertex. Thorax black, thickly punctulate, with black bristles ; seen from the front only there are three longitudinal stripes of almost microscopic golden-yellow pubescence ; humeri conspicuous, bright yellow, a thin dull yellow line thence to wing-base ; hind corners of dorsum margined with brown ; pleurae black, closely punctulate, with black bristles and very short whitish pubescence ; scutellum bright lemon-yellow, witli lemon-yellow bristles, the base narrowly black ; metanotum black. Abdomen distinctly 7-segmented, 1st and 2nd scarcely separable except by the fringe of hairs on hind border of 1st; 1st segment orange-yellow, hind border broadly black : 2nd orange- yellow, with a large round black spot in middle just clear of the margins, hind margin vellovvish white ; rest of segments black, hind margin of 3rd to 6th inclusive yellowish white, clearly demar- cated ; sides of very small 7th segment yellowish ; all the black parts of abdomen closely punctulate, with minute black bristles, the yellow parts with short pale yellow hairs ; genitalia very small, a pair of small brownish-yellow lamella? ; a little pale, rather long pubescence at sides of 1st segment, and shorter similar pubescence on sides of whole abdomen ; venter black, 2nd segment and hind margins of remainder yellowish. Leys mainly yellow ; hind cox* (except a patch on hinder side), hind trochanters, underside of hind femora narrowly, inner and outer sides of same towards base (the colour almost united on upper side), also extreme tips, black ; anterior tarsi brownish black ; hind tibiae and tarsi black, except upper side of former at base. Wings uniformly yellowish grev ; 100 LEPTIDJE. stigma small, brownish ; 4th posterior cell closed distinctly but shortly before wing-border ; halteres brownish yellow. Length, 11 mm. Described from a unique perfect $ in the Indian Museum, from above Tura, Garo Hills, Assam, 3900 ft., viii. 1917 (Kemp). Family LEPTID^E. Head semicircular, short, rather flattened in front, as broad as or narrower than thorax ; frons at vertex nearly level with the eyes ; face short, " usually with a socketed middle part (epistoma) on which there is usually a rounded raised tubercle " ( Verrall) ; cheeks more conspicuous in some genera than others. Eyes bare (except in one non-Indian genus Coznomyia and in Coenomyiodcs, gen. nov.) ; contiguous or subcontiguous in <3 , distinctly, some- times widely separated in the $ ; in a few cases the frons of about equal width in both sexes ; upper facets in d often much larger than lower ones ; the eyes in life in some species brilliant green ; three ocelli. Proboscis generally robust, sometimes very large, though short ; labella prominent ; palpi moderately long, slender. Antenna? very variable; in the typical LEPTID^ with 3rd joint simple, short-conical, round, or renJform, with a bristle or style which is usually terminal, but in some genera is dorsal ; * third joint flagelliform and annulated in XYLOPHAGIX^E. Thorax a little longer than the head, roughly oval or oblong, with rounded corners, generally widest at the middle ; scutellum moderately large, rounded or semicircular ; metanotum larger and more con- spicuous in XYLOPHAGIN.E than in most LEPTIN^. Abdomen 7-segmented, elongate or conical, longest and nearly cylindrical in some d XYLOPHAGIN.E. Leys rather long and slender, often minutely bristly on the tibiae or below the femora ; front coxa) rather elongate ; fore tibiae with or without a single spur, middle tibiae always with two spurs, hind tibiae always with one or two spurs, exceptions being rare ; pulvilli three, empoclium pad-like. Wings glabrous, but minutely pubescent under high microscopic power, somewhat broad, with more or less rounded tips. Auxiliary and 1st longitudinal vein somewhat approximate, always ending beyond middle of wing ; '2nd longitudinal beginning at from one- third to one-half the length of the wing, ending not far beyond tip of 1st, often dipped towards tip to embrace the generally obvious stigma ; 3rd vein begins a little beyond the 2nd, (almost always) practically in a line with the base of the discal cell ; always forked, the fork varying in length f and in width of * Williston figures the antenna* of Atherix with the arista absolutely basal ; Verrall evidently claims the most distant point horizontally as the true tip and considers the 3rd joint produced downwards. Most authors, I believe, regard as the tip the extremity of its greatest length, as I do here ; it can be accepted either way, but misunderstandings may arise. t It is long and narrow in 8tfmphonrmyia,sund short and wide open in Hilarimorphu, neither of these genera being Oriental. LEPTI1XE. 101 opening, but always embracing the wing-tip.* Discal cell always present, except in Hilarimorpha (non-Oriental) ; anterior cross- vein near basal end of discal cell, always before its middle ; 4th longitudinal with anterior branch forked, lower branch simple ; posterior cross-vein nearly opposite anterior cross-vein ; 5th longitudinal forked at about its middle, the upper branch more or less curved or angled at the point where it meets the posterior cross-vein ; 6th vein complete. Two submarginal cells, 5 posterior cells; anal cell open or closed; alulae of moderate size, generally well developed, absent in XYLOPHAGINJE ; alar squamae rather small, thoracic squamae absent, " but the frenum distinct and developing a rattier broadened membrane near the angle ; " halteres distinct, stem rather long. The whole body in LEPTID^E is usually clothed with soft pubescence, microscopically so on the often apparently bare legs. There are no bristles of a chffitotactic nature, though a few short ones or bristly hairs often occur about the thorax, wing-roots, and metapleurae. Life-history. The metamorphoses of many European species are more or less known.f Larva amphipneustic, with parchment- like skin, generally living under bark, in moss, or earthy matter, predaceous on Coleopterous larvae and other soft-wood insects, though some are aquatic. Twelve-segmented, including head, which is exserted though small, long, pointed, the mouth-parts very small ; the three thoracic segments with strongly chitinized dorsal areas, the prothoracic segment also hardened beneath ; last segment with a strongly chitinized area on hinder part, with two strong hooks, this area also bearing two spiracles. Abdominal segments often with transverse swellings on lower surface, loco- motion being effected by means of these, which take the form of roughened intercalated spaces between the segments, though Brauer affirms that true pseudopods exist in Aiherix. The perfect insects are found usually in open woods and the meadow-lands in their vicinity, or in marshy and soft places, being fond of resting on tree-trunks. With the exception of one or two North- American biting species of Symphoromyia, which bite like TABANID^E, the LEPTIDJE are harmless to mankind. J The LEPTIDJE are rather closely allied to both the STRATIOMYIDTE and the TABANID^E, but the former are easily known by the crowding of the venation on the front part of the wing (except in BERING) and by the shape of the discal cell, which is always small, and seldom much longer than wide (except in Xylomyia), at * In one or two European species of Xylophagus, the lower branch of the 3rd vein may in individual specimens occasionally end barely above the wing-tip. t Atherix ibis, Xylophagus ater, Leptis tringaria, L. scolopacea, etc. I [Five species of blood-sucking Leptids have been described by White and Ferguson from Australia and Tasmania, all belonging to the genus Spaniopsis, White ; Trichopalpus obscurus, Phil., has been noted as a greedy blood-sucker in Chile, and Leptis scolopacea, L., and L. strigosa, Mg., have been recorded as biting man in France. — ED.] most about one and a half times. In LEPTID^E the discal cell is distinctly oblong and always more than twice as long as wide. The only two genera about which doubt might arise would be Xylophagus and Xylomyia* The TABANID^E, though possessing the same venation as the LEPTIDTE, may at once be recognized by the characteristic antennae and their more robust structure throughout. Table of Subfamilies. 1. Third antennal joint flagelliform, more or less elongate, simulated, without arista 2. Third antennal joint not flagelliform, short, or but little elongated, rounded, conical, or reniform, never distinctly annulated ; arista always present 4. 2. All tibiae with spurs , 3. Front tibiae without spurs ARTHROCERATIN^E. 3. The 5th posterior cell in broad contact with discal cell ; face with rounded socketed epistoma, margined by broad side-cheeks ; eyes in c? contiguous ; scutellum with two short blunt spines COENOMYTX.S:. The 5th posterior cell not touching discal cell ; face flat, epistoma not socketed or margined by broad side-cheeks ; eyes in c? well sepa- rated; scutellum unarmed XYLOPHAGIN^E. 4. Eyes in $ wide apart ; 3rd vein widely forked at much beyond half its length ; face not at all socketed VERMII.EONINA:. Eyes in <$ contiguous ; 3rd vein less widely forked before, or at latest at, half its length; face with rounded socketed epistoma LEPTIN^;. In few families of Diptera is there such diversity of opinion with regard to the subfamilies as in the present one. Prof. Kertesx, in his ' Catalogue of Diptera,' admits none at all, but ranks XYLOPHAGIDJE (including Xylomyia and CCENOMYIJ)^;) as separate families. Verrall recognises the four last subfamilies presented here with CHHYSOPILIN^E as a fifth ; Williston divides the LEPTIDJ- into three (dealing with North-American species only), XYLO- PHAGINJE (including Ccmomyia], ARTHROCERATIN;E (including Xylomyia), and LEPTIN.E. Beling has shown the affinity between Ccenomyia and Xylophagus in their larval stages. Verrall divides the XYLOPHAQIN^E and VERMILEONIN^E, taken together, from the C. Third antennal joint round, oval, or pointed ; arista alwaj's apical 9. (i. Arista apical; palpi wholly bare, much en- [p. 122. larged, spatulate M Arista dorsal or subdorsal ; palpi slender, always pubescent, generally bisinuate, more conical and pointed than in Leptis and Chrysopilus 7. 7. Eyes in d separated by about the width of the ocellar tubercle, or actually contiguous for a short distance ; in $ the frons three times as wide as the ocellar tubercle .... 8, 104 LEPTIDJE. Eyes in tf contiguous for a considerable distance ; frons in $ only as broad as [p. 1 til . ocellar tubercle .". SURAGINA, Walk., 8. Frons and side-margins of face (c? $) dis- tinctly hairy ATHERIX, Mg., p. 120. Frons in tf and side-margins of face (c? $) [?• 112. bare ATRICHOPS, Verr., 9. Anal cell open ; hind tibiae with two spurs . . LEPTIS, F., p. 124. Anal cell closed ; hind tibiae with one spur [p. 128. only CHRYSOPILUS, Macq., Subfamily XYLOPHAGIN^]. Face flat, no socketed epistome margined by broad side-cheeks. Palpi long, curved upwards ; the 3rd antenna! joint flagelliform, generally divided by annulations into seven parts, but in Eliaclii- cerus into many more. Eyes in c? distinctly separated, in $ rather wider apart. Body and legs almost bare. Scutellum smaller and metanotum more conspicuous than in normal LEP- TID^E. Abdomen considerably elongated or cylindrical ; the male genitalia rather complex, those of the $ long and telescopic. All tibiae spurred. Wings with auxiliary and 1st veins long, 2nd shorter than in LEPTINJE, 3rd with fork rather short, widely open, lower branch ending above or at wing-tip; anterior cross-vein very short, situated towards base of discal cell ; posterior cross- vein exceedingly short or absent, anal cell normally closed at wing- border ; axillary vein indistinct or absent ; alulae absent. Life-history. " Larva amphipneustic, allied to those of C(ENO- MYINJE and LETTING ; carnivorous ; living under the bark of dead trees and preying upon other (probably dead) larvae occurring there, especially those of wood-boring Coleoptera, or upon the debris and detritus left by those larvae" (Verrall). Birch, alder, and pine are the trees mostly favoured. The imagos are usually found about their breeding-places in woods. Only one genus of this subfamily (Rhachicerus) occurs in India. Xylophagus, Xylomyia, and one or two other genera were for many years regarded as a separate family, but the resemblance between them is more apparent than real ; and^ Osten-Sacken, who very closely criticised Brauer's paper on the characters of the NOTACANTHA (Berl. ent. Zeit. xxvi, p. 363), showed satisfactorily that they (Xylophagus and Xylomyia) cannot both come in the same ultimate subdivision. Genus RHACHICERUS, Walk. Rhachicerm, Walker, List Dipt. Brit. Mus. v, Supp. i, p. 103 (1854). ? Rhyphomorpha, Walker, Proc. Linn. Soc. Lond. v, p. 275 (1861). Antidoxion, Snellen v. Vollenhoven, Versl. Meded. Kongl. Akad. van Wetensch. Afd. Natuurk. xv, p. 1 (1863). GENOTYPE, Ehachicerus fulvicollis, Walk.; the original species. " Body slender, nearly linear, cylindrical. Head transverse, nearly as broad as thorax, vertex narrow. Eyes large, with small RHACHICERTJS. 105 facets, deeply iiotched and including a smooth space on each side by the base of the antennae. Ocelli approximate. Proboscis not prominent ; palpi short. Antennae with 34 or 35 joints, tapering slightly, much more than half the length of the body, deeply serrated on each side; joints transverse, very short, cyathiform, petiolated. Thorax elongate -quad rate ; abdomen pubescent, 8-segmented, hardly tapering from base to tip, about twice as long as thorax. Legs rather slender, moderately long ; hind tibiae with very minute spurs ; ungues and onychia very small. Wings narrow." Range. North and Central America, Cnbn, India, Malay Archi- pelago, and one species in Europe. Life-history unknown. Table of Species. Thorax orange nigricornis, sp. n., p. 105. Thorax black. Dorsum of first three abdominal segments mainly yellow bicolor, Brim., p. 105. Dorsum of abdomen all black, except a transverse yellow band on 2nd segment, unicincta, sp. n., p. 10G. 68. Rhachicerus bicolor, Brun. Bhachicerus bicolor, Brunetti, Rec. Ind. Mus. vii, p. 461 (1912). $ . Head with frons nearly one-third width of head, shining black, bare ; three small yellow ocelli at vertex ; eyes blackish, bare ; proboscis bright yellow, palpi of similar colour, very small ; a whitish triangular spot on each side between the eyes and the base of the antennae. Antennal 1st and 2nd joints black, 2nd with a circlet of black and yellow bristles around its tip ; tlagellar 1st joint much wider than the rest, which are blackish brown, the comb-like prolongations on the underside bright yellow. (The antennas being incomplete, the exact number of joints cannot be given.) Thorax and scutellum wholly shining black, practically bare ; humeri conspicuous, bright yellow. Abdomen black, dorsum of first three segments mainly yellow, the borders being black, the 4th segment being more or less yellow in the centre ; venter principally yellow on the first three segments, remainder blackish. Legs bright yellow, hind coxae black. Wings with venation as in Xylomyia, grev, with a hardly perceptible darkening from the costa partly across the wing, and again towards the tip ; halteres bright yellow. Length, 8| mm. Described from one $ in good condition in my collection from Kandy, v. 1909 (E. E. Green). 69. Rhachicerus nigricornis, sp. nov. (PI. II, fig. 1.) cJ . Head black ; frons at vertex less than one-fourth width of head, widening to one-third at level of antennae, with some whitish dust around base of antennae ; scape of latter yellow, with short black bristles, flagellum black for 23 joints, with the comb- 106 I.KPTID.E. like prolongation of each yellowish white, last seven joints (making with scape 32 in all) with their comb wholly yellowish white ; proboscis orange-yellow. Thorax and abdomen orange ; a large black spot on pleurae in front of wing-base and another just behind wing-base; sternopleura shining black; abdomen with '2nd segment much the longest ; hind border of each narrowly black, less distinctly so on 5th and 6th segments. Legs orange- yellow ; hind coxae shining black ; hind femora and tibiae with basal two-thirds of each black ; hind tarsi all black. Wings grey, subcostal and marginal cells blackish ; halteres yellow. Length, 9 mm. Described from a unique d in t.he Indian Museum from Peshoke Spur, Darjiling, 2000 ft., vi. 1916 (L. 0. Hartless). 70. Rhachicerus unicinctus, sp. nov. (PI. II, fig. 2.) $ . Head with frons brilliantly shining black, longitudinally furrowed, at vertex one-third of head, slightly wider just above level of antennae ; face dull black seen from below, but at least upper part brilliantly white seen from above, narrowing towards mouth ; proboscis short, thick, bulbous, orange, as are the up- turned cylindrical palpi, slightly thickening towards tips ; eyes brown; occiput moderately shining black, with a little short brown pubescence towards margins. First two joints of antennae blackish above, orange below ; 3rd with upper side and tips of rays black, the intermediate part of rays orange-yellow ; 20 or 21 joints present in flagellum, according to whether the small terminal prolongation is part of the last rayed joint or not: the flattened irregularly-shaped elevation on which the antennae are placed lemon-vellow. Thorax shining black, dorsum finely punc- tate, with extremely short yellowish pubescence ; humeri and mesopleurae dull shining yellowish ; scutellum like thoracic dorsum. Abdomen slightly shining black; 1st segment very short; 2nd longest, with a yellowish transverse band of moderate width, of which the hind border lies just in front of middle of segment and is punctuated by a row of small indentations, almost giving the appearance of two segments; 3rd and 4th segments barely narrower than 2nd ; 5th rapidly narrowing from base to tip ; 6th, 7th, and 8th extremely narrow and very elongate, having a telescopic appearance, the last one possibly forming two segments (making nine in all) in addition to the two pale yellow elongate lamellae ; whole abdomen with sparse short yellowish-white pubescence; venter black, 2nd segment mainly dull yellowish. Legs mainly orange-yellow ; trochanters, about basal halt of femora, and hind tibiae wholly black. Wings yellowish grey, vitreous, stigmatic region a little yellowish brown, a slight infus- c.'ition at wing-tip ; halteres yellowish. Length, 8 mm. Described from one $ in the Indian Museum from Peshoko, Darjiling, 1000 ft., 26, v.-M, vi. 1916 (Gravely), DESMOMYIA. 107 Subfamily ARTHROCERATIN^E. Auteunae obviously elongate, 3rd joint flagelliform, with distinct annulations, arista absent. Front tibiae without apical spurs. Only two genera occur in India, and they may be distinguished as follows : — First autennal joint as long as 2nd and 3rd together ; 4th posterior cell open DKSMOMYIA, Brim. Third antennal joint much more than double as long as 2nd and 3rd together ; 4th pos- [gen. nov. terior cell closed . . PARARTHROPKAS, Genus DESMOMYIA, Brun. Desmomyia, Brunetti, Rec. Ind. Mus. vii, p. 462 (1912). GENOTYPE, Desmomyia thereviformis, Brun. ; the original species. Apparently near, but quite distinct in several characters from Arthroceras* Five posterior cells, 4th without any trace of contraction towards wing-border; anal cell closed just before wing- border ; remainder of venation in accordance with Williston's figure of the wing of Arthroceras. f Antennae elongate, 1st joint as long as 2nd and 3rd together, cylindrical, 2nd broadly annular, 3rd elongate with an apical style-like prolongation. Eyes con- tiguous for a considerable distance, bare ; three ocelli. Proboscis rather short, stout, cylindrical; palpi elongate, narrow. Face with two dividing furrows below antennae and rather bulbous cheeks, as in Arthroceras. General appearance of whole insect that of a Thereva, with soft pubescence on thorax and abdomen, the latter with seven distinct segments. Legs slender, like those of -Thereva • fore tibiae unarmed, posterior tibiae with two distinct pale spurs each. 71. Desmomyia there viformis, Brun. Desmomyia thfreriformis, Brunetti, Rec. Ind. Mus. vii, p. 462 (1912). c? . Head with vertex small, dark ; occiput of a lighter grey than the dark blackish-grey face; proboscis and palpi blackish grey ; the whole head with stiff black hairs ; eyes bare. Antennae dark grey; 1st joint elongate, cylindrical; 2nd broadly annular, half the length of the 1st; the 3rd joint is best described as diamond-shaped, with rounded angles, the greatest breadth being beyond the middle ; the tip produced into an elongate narrow style with blunted tip, the style as long as the whole antenna. Tnorax dark grey above, with three separated, moderately broad, blackish stripes, the outer ones with a tendency to an interruption in front of the middle; sides and scutellum moderately dark grey, * The description of this genus is not accessible in India. t ' North-American Diptera' (3rd ed.), p. 161, fig. 18. 1 08 LEPTIDvE with soft pale yellowish-white pubescence. Abdomen 7-segmented, 2nd the broadest, dark blackish grey with soft pale yellowish- white pubescence ; genitalia small, inconspicuous. Legs black ; knees and femora more or less brownish yellow at base, the colour on the fore pair extending beyond the middle ; hind tibiao widened towards tips, hind metatarsus distinctly incrassate ; the whole of the legs shortly pubescent; anterior tibiae unarmed, posterior tibiae with two distinct yellowish spines. Wings as in Leptis, except that the anal cell is closed just before the border, pale grey ; stigma blackish, very elongate ; two indistinct pale blackish suffusions, the first, from the origin of the 2nd vein, embracing the anterior cross-vein, the base of the discal cell, and the posterior cross-vein ; the second runs from the fork of the 3rd vein to the hinder side of the discal cell, along its outer side ; costal cell rather broad, the costa curving outwards slightly; halteres brownish yellow. Length, 5-6 mm. Described from two d" c? in the Indian Museum from Badrinath, Garhwal District, 10,200 ft., 27. v. 1910 (Dr. A. D. Imms). Genus PARARTHROPEAS, nov. GENOTYPE, Pararihropeas thereviformis, sp. nov. Head transverse, as broad as thorax ; eyes bare, with very small facets of uniform size ( § ) ; proboscis rather short, thick ; palpi as long as proboscis, cylindrical, straight, bare, porrect ; frons narrow, with parallel sides ; face broader, with nearly parallel sides, not projecting beyond eye-margins ; occiput flattened, or slightly concave ; antennae longer than breadth of head, cylindrical, barely appreciably narrower towards tip ; 1st and 2nd joints short, bristly ; 2nd shorter than 1st, as broad as long ; 3rd divided by eight impressed lines into nice annulations of equal length, except the 1st, which is considerably the longest; last joint bluntly pointed, without style. Thorax oblong, humeri promi- nent, nearly bare, with no obvious bristles, minutely pubescent ; scutellum transverse, unarmed. Abdomen subcylindrical, about twice as long as thorax, slightly flattened, with nearly parallel sides for some distance, gradually narrowing to tip, 7-segmented, the last segment very short. Legs of moderate size and strength ; hind femora considerably incrassate, with a row of small blunt spines on underside ; posterior tibiae with two spurs, front tibiae apparently unarmed; tarsi as long as tibiae, front pair distinctly longer ; claws distinct, three pulvilli. Wings with auxiliary vein ending at about middle of costa, 1st longitudinal ending a little beyond ; 2nd vein beginning at about middle of wing, ending a little beyond 1st vein ; 3rd vein beginning shortly after 2nd, forked at half its length, the branches gradually diverging, the lower branch ending at wing-tip ; anterior cross-vein near base of discal cell, which is twice as long as broad ; 5 posterior cells, 1st gradually widening from base to tip, 2nd and 3rd truncate at £ARABTHROPEAS. 109 base, 4th closed distinctly before wing-margin ; posterior cross- vein present ; anal cell closed. c? unknown. Range. Assam. This genus differs from Arthropeas, L\v., by (1) the 1st flagellar joint not being differentiated from the others, except that it is longer, and the whole antennae boing practically cylindrical throughout instead of gradually narrowing to tip ; (2) the abdo- men being much narrower and longer relatively to the thorax ; (3) the 4th posterior cell being distinctly closed before the border.; and (4) the hind femora being distinctly incrassated and bearing a row of small blunt spines on the underside. Williston, in his table of genera of North-American LEPTID.E, emphasizes the absence of contact of the 5th posterior cell with the discal cell, but in Loew's figure of the genotype such contact is only punctiform. These cells may be more separated in the other two North-American species ; they are distinctly apart in Pararthropeas. 72. Pararthropeas thereviformis, sp. nov. (PI. II, figs. 5, 6.) $ . Head as broad as thorax ; eyes bare, black, facets small, of uniform size ; frons about one-seventh of the head, almost flush with eyes, blackish, with short pale pubescence, which is a little thicker just above antennae ; face not projecting beyond eyes, flattened, with nearly parallel sides, dark grey, practically bare ; occiput blackish, bare, except for some short whitish pubescence behind lower margin of eyes. Proboscis short, thick, not pro- jecting beyond base of antennae, brown, bearing a few hairs ; palpi as long as proboscis, bare, brownish yellow. Antennae longer than breadth of head, cylindrical ; 1st and 2nd joints black, bristly, 2nd shorter than 1st, as broad as long ; 3rd bare, divided by seven impressed lines into eight anuulations, of which the 1st is the longest, tip bluntly pointed; 3rd joint black, except the brownish-yelloxv 1st annulation and base of 2nd. Thorax oblong; dorsutn black, rather flattened, with microscopic, depressed, grey- ish pubescence, which is a little more obvious in front of the scutellum ; the latter black, with centre and hind margin yellowish, sparsely and shortly pubescent ; humeri prominent, yellowish brown ; pleurae black, with very short grey pubescence. Abdomen subcylindrical, nearly Phycus-like, 7-segmeuted, the first six subequal, the last very short; black, with minute grey pubescence, hind margins of segments yellow ; genitalia ending in two small cylindrical yellowish pieces, which are all that is externally visible. Legs Therevid-like, comparatively stout and strong ; coxae black, with minute grey pubescence; fore femora brownish yellow, with upper side and distal half of lower sides black ; middle pair black, except narrowly at base and tips ; hind pair black, with a broad yellow band just before middle ; tibiae black, except that anterior pairs are very narrowly brownish yellow at base and tips ; front tarsi distinctly longer than tibiae, posterior pairs subequal to 110 LEPTIDJ«. tibiae ; all tarsi black, with reddish-brown pubescence on underside of hind pair; all legs with minute grey pubescence; two obvious spines oil middle and hind tibiae, arid it is just possible that a small one may be present on fore pair just .be fore the slightly narrowed tips, though apparently it is absent. Wings pale grey, veins dark brown ; halteres brownish yellow. Length, 10 mm. Described from a perfect unique $ in the Pusa collection from Khasi Hills, 1000-3000 ft., iii. 1907. Type sent to British Museum. Subfamily CCENOMYIN^E. Head', antennal 3rd joint nagelliform and annulated, with sty li- forui tip and no arista. Palpi long, thin, pointed, porrect, 2-jointed. Eyes hairy or bare, contiguous in cf • Thorax and abdomen robust, shortly pubescent or bare ; meso- and metapleurae with tufts of pubescence ; scutellum with two short blunt spines or unarmed ; genitalia small. Legs comparatively short and strong ; fore tibiae with one spur, posterior tibiae with two spurs. Basal wing-cells long ; discal cell present ; two submarginal cells, the 2nd long, with bell-mouthed tip ; five posterior cells, 5th in broad contact with discal cell. The CffixoMYis^E and XYLOPHAGIN^E are easily recognised by the annulated 3rd antennal joint, and the latter are distinguishable from the former by the four characters previously given in the table of genera of LEPTIDJE. Only a few genera and species of CffiNOMYiN^E are known throughout the world. Life-history. That of Ccenomyict ferruginea, Scop., a widely distributed European and North -American species, is known. The larva is amphipneustic, cylindrical, 12-segtnented ; the head conical, brown, chitinized ; the rest of the body with chitinized spots and bands. Pupa free. The species breeds in decaying poplars and at the roots of trees, especially beeches ; the larvae are carnivorous and voracious ; their total development may last over a year. The adult insects are rather sluggish, frequenting woods. Genus CCENOMYIODES, gen. iiov. GENOTYPE, Ccenomyiodes edtvardsi, sp. nov. ;, the only species known. Head comparatively small, narrower than thorax ; placed some- what low down ; occiput flattened ; epistoma separated from cheeks by an impressed hue ; eyes hairy, separated by moderately broad frons in $ ( <$ unknown) ; antennae 3-jointed, the 3rd flagellate, with eight annulations, ending in stylate form, arista absent ; palpi long, thin, labella broad ; proboscis rather short. C&NOMYIODES. Ill Thorax broad, robust ; abdomen similar, rather longer, pointed ; both shortly pubescent or nearly bare ; scutellum with t\vo blunt apical spines ; genitalia small. Leys as rioted previously. Winys as noted above, in rest covering abdomen, posterior cross-vein absent ; alulae well developed, alar squama small, thoracic squama very narrow. c? unknown. Range. Assam. This genus differs from Ccenomyia, Latr., by the broad frons in the 5 , by the anal "cell being closed distinctly before the wing-, margin, and by the 4th posterior cell also being closed at some distance from the margin, rounded apically, and sending no veinlet to the margin. 73. Ccenomyiod.es edwardsi, sp. nov. (PI. II, tigs. 3, 4.) $ . Head chrome-yellow, a little darker on frons, which bears a transverse streak just above antennae, not quite reaching eye- margins ; ocellar triangle black, also a stripe from it passing over vertex and part of occiput ; mouth-opening pale yellowish ; head bare, except for some hardly visible pale hairs on occiput, about the eye-margins. Antennae with 1st and 2nd joints yellow, with some very short black bristles, giving the joints a partly blackish appearance ; 3rd joint divided by impressed lines into eight annulations, brownish yellow, with a black streak on upper side. Thorax mainly chrome-yellow, although the yellow and black parts are about equal in extent ; a broad black median stripe from anterior margin, where it is slightly dilated, to hind margin, narrowing shortly after passing the suture ; a black stripe on each side of the median one, leaving a narrow intermediate space, extending forwards barely to the humeri, and narrowing gradually behind the suture but reaching hind margin, on which all three stripes are joined ; sides of thorax yellow, underside black, with a broad black stripe running from just behind the fore coxae, curving forwards, narrowing to a point a little below the humerus ; a similar stripe joins the underside of the thorax with the wing- base, spreading out hindwards to the hind coxae and upwards narrowly to the scut ell um, which latter is yellow, the metanotum being black; dorsum covered with microscopic yellow pubescence, with a little on parts of the pleurae. Abdomen with first four segments bright chrome-yellow, with a fairly wide black dorsal stripe with irregular edges, dilated on hind borders of 1st and 2nd segments, occupying two-thirds of the width of 3rd and 4th segments ; rest of segments reddish brown, the black dorsal stripe carried over all but the last one, dilated on hind borders ; 8th segment canary-yellow on apical half ; a small curved yellow mark towards each side of 6th segment ; a email indistinct yellow spot on 7th segment on each side of the middle; venter reddish brown, a small yellow mark extending over 6th and 7th segments ; genitalia yellowish brown, with two rather short 112 projecting lamellae. Legs practically bare, bright chrome-yellow, middle coxae obscured ; a short blackish-brown streak at tip of hind side of middle femora ; hind legs with tip of coxae, extreme base of femora, and a broad apical band on femora and tibiae black. Winys yellow, veins brownish black ; halteres bright yellow. Length, 20 mm. Described from a single § in the British Museum from the Khasi Hills, Assam. Subfamily LEPTIN^E. Face with a rounded socketed epistoma ; eyes bare, generally contiguous in the $ , facets of uniform size ; proboscis often swollen, conspicuous, though never very long; palpi distinct, moderately long, porrect, or pendant. Antennae with 3rd joint simple, rounded, oval, or reniform, always with a long apical, subapical, or subclorsal arista. Abdomen elongate-conical; genitalia of moderate size. Legs slender ; tibiae with rows of minute bristles, middle pair with two spurs at tip, hind tibiae with one or two spurs.* Alulae well developed ; alar squamae of moderate size, thoracic pair absent. The genera have already been tabulated on p. 103. Genus ATRICHOPS, Verr. Atrichops, Verrall, Brit. Flies, v, p. 291 (1909). GENOTYPE, Aiherix crassipes, Mg. (Europe) ; by original de- signation. Head semicircular, a little narrower than thorax, more rounded and less tilted forwards than in Atherix • face with a quite bare, rounded, socketed epistoma ; cheeks large, bare in both sexes ; t'rous in c? nearly or quite bare, slightly narrowing from vertex to antennae ; in £ with a little sparse pubescence ; occiput promi- nent, especially on lower part in c? ; eyes bare in both sexes, contiguous or practically so in <5 , facets uniform in size ; the eyes in $ separated distinctly. Proboscis prominent, thick, with long oval hibella ; palpi two-jointed, prominent, slightly drooping. Antennae rather short, the space above their base bare; 1st joint cup-shaped, 2nd more or IPSS rounded, rather short, both bristlv ; •3rd kidney-shaped, with a dorsal arista.f Thorax slightly arched, with close short pubescence ; pleurae partly pubescent ; scutellum * The apparent disagreement here with Verrall, who states that two spurs are found on all the posterior tibiae, is due to his ranking Chrysopila as a separate subfamily, in which genus the hind tibise possess only a single spur. t Verrall speaks of it as "terminal, which from the shape of the 3rd joint (deepened downwards) appears to be dorsal." This author regards the tip of the 3rd joint as its furthest point in a straight line, in which case the arista is terminal, but I am regarding its tip as the extremity of its greatest length, in which case the arista is dorsal. ATRICHOPS. 113 normally also pubescent ; metanotum mainly concealed, with bare sides. Abdomen oblong, narrower than thorax and barely double as long ; male geuitalia prominent, in $ the tip of the abdomen pointed. Leys with front pair, and especially front tarsi, longer and thinner than in Leptis ; front tibia? shorter than, middle pair equal to, and hind tibiae rather longer than, the corresponding tarsi ; front coxse rather long ; front tibiae unspurred ; middle tibiae with two spurs, of which the front one is considerably the longer; hind tibiae with two nearly equal spurs; the "touch hairs " beneath the front tarsi obvious. Wings with the auxiliary; 1st and 2nd longitudinal veins ending at or a little beyond middle ; 2nd starting well before the discal cell ; 3rd beginning opposite base of discal cell, forked at a more or less acute angle rather soon after quitting anterior cross-vein, the branches gradually diverging and embracing the wing-tip ; discal cell elongate ; upper branch of 4th longitudinal vein forked at tip of discal cell ; lower branch simple ; posterior cross-vein proximad of anterior cross- vein ; 5th vein forked just before posterior cross-vein, the branches separating widely, lower branch always curved downwards, meeting 6th vein at or just before wing-border, closing anal cell. Range. Europe, India. Life-history unknown. The genus Atrichops was unfortunately wholly overlooked by me in describing the species herein referred to it, which were placed in Aiherix at the time of description. Atrichops is quite well founded, the species having the cheeks distinctly bare. Set up by Verrall for Atherix crassipes, Mg., a European species, I know of no others belonging to it except those I have myself recorded from the East. Table of Species. 1. Abdomen with distinct reddish or yellow markings 2. Abdomen practically all black, at most a bluish-grey baud at base or 1st seg- ment pale yellow 5. 2. Hind femora without distinct band near tip 3. Hind femora brownish yellow, with a broad brown baud before the tip 4. 3. Basal half of abdomen tawny ; wings with distinct wide median band calojw, Brun., p. 114. Abdomen mainly black, but reddish tawny towards sides at base ; wings pale brown, with indistinct darker band in middle. . . . lanopyga, Brun., p. 115. 4. Sides of thorax yellowish grey posteriorly, without white stripe ; middle femora Hack only at base and tip, hind fe- mora black at t>ase and tip in addition to broad median baud limbata, O.-S., p. 115. 114 LEPTIDjE. Sides of thorax all black, with oblique whitish stripe; middle femora with basal half black and apical half yellow, [p. 110. Avith a broad mediau white band intermedia, Brun., £. Hind metatarsus not thickened ; apical half of wing infuscated 6. Hind metatarsus distinctly thickened; wing pale, with approximately three [p. 117. darker bands .metatarsalis, Bruu., 6. Apical half of wing without narrow pale band in the infuscated portion ; 4th pos- terior cell nearly closed ; length, 10 mm. . . ctncta, Brun., p. 118. Apical half of wing with such a pale band ; 4th posterior cell widely open ; length, [p. 119. 6 mm ccerukscens, Brun., 74. Atrichops calopa, Brun. (PL II, tig. 7.) Atherix calopa. Brunetti, Rec. Ind. Mus. ii, p. 420, pi. xii, fig. 2 (1909). 3 $ . Head with vertex black ; frons blackish, with bluish grey shimmer; proboscis and palpi blackish, the latter hairy below; antennae brownish yellow, with a trace of bluish grev dust on upper side of two basal joints ; occiput blackish grey, with a thick fringe of long whitish-grey hair, which is absent on the upper part ; lower facets of eye barely smaller than upper ones. Thorax dark brownish black, moderately shining ; humeri sbining brown ; sides of thorax brown, dusted with light bluish grey ; scutellum dark brown, with erect brown hairs. Abdomen with first four segments mainly yellow, but dark brown on the upper side of 1st. at the base, and a narrow dark brown dorsal line, with a narrow line at each side of the abdomen, these three lines extending over the four segments ; posterior border of 4th segment dark brown, the colour extending forward in the centre, till it joins the dorsal stripe ; remainder of abdomen dark shining brown, tbe posterior border of each segment bearing a little bluish grey dust ; venter yellowish ; the whole abdomen with moderately long hairs of similar colours to that of the respective parts on which they are placed ; genitalia moderately large, dark brown, shining, with black hairs. Legs with very short black hairs ; coxae dark brownish, with bluish grey shimmer ; femora yellow, basal third in fore pair, basal half in middle pair, and basal two-thirds in hind pair black ; tibiae yellow, knees brown ; basal half of tarsi yellow, apical half black. Wings very pale grey, apical half a little darker ; discal cell three times as long as broad ; no distinct stigma ; a brownish irregular streak from the centre of the fore border, reaching to about halfway across the wing; halteres yellow, knobs black ; tegulae blackish with yellow edges. Length, 8-10 mm. Described from three <3 3 in fairly good condition, in the Indian Museum collection. The type is from Sadiya, Assam, and the others from Tenasserim. ATEICHOPS. 1 15 75. Atrichops lanopyga, Brun. (PI. II, fig. 8.) Atherix lanopyga, Brunetti, Rec. Ind. Mus. ii, p. 420, pi. xii, fipr. 3 (1909). 5 . Head with rather more than the upper half of frons velvet- •black, remainder of frons, the vertex, and face below antennae blackish, with bluish grey reflections; antennae with two basal joints brown (third missing) ; eye-facets of uniform size ; proboscis and palpi blackish, the latter pubescent above and below ; occiput blackish grey, with a continuous fringe of short grey haiiv Thorax black, with whitish grey reflections at the sides and on the humeri ; scutellum black, with black hairs, posterior border brown. Abdomen mainly black; 1st segment dark brown, the -colour extending as a wide dorsal stripe across the 2nd ; sides of first t\vo segments occupied by a large, light yellow, translucid spot ; 3rd segment velvet-black, with a bicoloured spot at the sides of the posterior border, the anterior half of this spot being orange and the posterior half grey, the orange-colour extending along the sides of the abdomen in a streak, until it reaches the large translucent side-spots in front of it ; remaining segments black, whitish grey posteriorly, the sides of 6th and 7th being light orange-brown ; anal process black ; dorsum of abdomen with yellowish hair, which at the tip becomes brown ; venter yellow, with soft yellow hair, the middle segments with some irregular black marks. Legs : coxae brown, with bluish white shimmer, and silky white hair ; femora yellow, base of fore pair arid basal half of middle and hind pairs light brown ; tibiae brownish yellow, hind pair darker ; tarsi brownish black ; the femora have a little pale yellow hair, which is brown on the tibiae, bright golden brown on hind pair, and black on the tarsi. Wings pale grey, with a faint brown streak from the elongated brown stigma reaching nearly to the posterior border ; a small elongated clear spot in the middle of the discal and of the fifth posterior cells ; discal cell 3| times as long as broad; halteres yellow, knobs black; tegulae pale yellow, transparent. Length, 10 mm. Described from one 6" in good condition in the Indian Museum -collection from Sadiya, Assam. 76. Atrichops ? limbata, O.-S. (PI. II, fig. 10.) Atherix limbata, Osten-Sacken,Berl. ent. Zeits. xxvi, p. 100 (1882) ; Brunetti, Kec. laid. Mus. ii, p. 418, pi. xii, tig. 4 (1909). $ . Head : vertex cinereous grey, with a few blackish hairs, upper halt' of frons dull coal-black, lower part bluish grey with •(seen from above) a central small black spot, lower part of face blackish grey, proboscis brown ; antennae blackish grey with a few hairs at base, 3rd joint tawny, arista long ; eyes blackish ; •occiput bluish grey, with a fringe of light hairs, which are longest i2 116 LEPXIDJ3. behind the sides of the eyes ; palpi black, hairy below. Thorax aeneous black above, the colour not attaining anterior margin except as a wide stripe in the centre, but extending to both wings and to the scutellum ; humeral calli tawny, with a whitish- grey tomentose spot, contiguous to each, on the anterior border ; a bluish grey spot in front of each wing, placed almost on the dorsum ; sides of thorax yellowish grey posteriorly ; mesopleur8& bluish grey ; scutellum yellow, base blackish ; metanotum blackish grey. Abdomen brownish yellow, with a black dorsal stripe on first three segments, which spreads out over the greater part of the 4th and 5th segments ; tip of abdomen yellow, sides with a blackish line and a fringe of black hairs mixed with some paler ones; venter yellowish; some short pale hairs over the dorsal surface of the abdomen. Legs : fore coxae yellowish with bluish- grey reflections, posterior coxae blackish, all of them black at th& junction with the femora, which are yellow, with the tips narrowly black, the middle pair having a very small black streak on the underside near the base, and the hind pair a wide black ring in the middle ; remainder of legs black, but middle tibiae dark brownish yellow. Wings pale grey, rather strongly iridescent, with a rather dark brown middle stripe from the centre of the costa, narrowing posteriorly and reaching hind margin of wing at tip of anal cell ; distal part of wing dark grey down to the fifth posterior cell, the centre of which is pale grey (reaching to th& border), but a rather wide pale grey space remains between the dark brown stripe and the distal dark grey part, this clearer part ceasing at the fifth posterior cell; fifth longitudinal vein dark brown suffused ; upper transverse vein placed just before one- third of the discal cell ; halteres yellowish, knob black. LenytJi, 8 mm. I describe under the above specific name a $ specimen (now in the Indian Museum collection) captured from the base of the- Dawna Hills, Arnherst District, Lower Burma, 1. iii. 1908 (Annan- dale), which I at first thought was a new species. It differs from limbata, O.-S., by the presence of the clearer space in the dark distal part of the wing and by the hind femoral band being in the middle, not near the tip, other minor differences hardly being^ specific. My augmented description may enable others to identify it definitely either as limbata or as new. 77. Atrichops intermedia, Snm. (PI. II, figs. 11, 12.) Atherix intermedia, Brunetti, Rec. Ind. Mus. iii, p. 211 (1909). c? . This species closely resembles both limbata, O.-S., and calopa, Bruu., and takes an intermediate position between the two. From limbata it is distinguished by an all-black thorax, with a little whitish shimmer on the humeral parts, round the edges of the dorsum, and in front of the insertion of the wings ; also by an oblique whitish stripe on the sides of the thorax, which otherwise are wholly black, as is also the scutellum. The legs are- ATKICIIOPS. 117 black ; the fore femora (except base and tip), the apical half of the middle femora, the middle tibiae wholly, and the hind femora are yellow, but the latter bear a broad deep black band, occupying about the middle half of their length. The wing has a large, very distinct, blackish-brown stigma, whilst the cross-band on the wing is much darker. The abdomen is differently coloured, closely resembling that of calopa, except that the posterior half of the 4th and 5th segments is occupied by a whitish band, which is invisible from certain points of view ; the basal half of the 5th, and the whole of the 6th, segment is black. Prom calopa the broad band on the hind femora easily separates it, this character being consistent in the ten specimens examined. The wing-marks also distinguish it, owing to the prominent stigma and the much more distinct apical part. Length, 8| mm. Described from ten c? c? in excellent condition taken by Dr. Annandale, 16. iv. 1909, on Paresnath Hill, West Bengal, 2000 ft., on rocks at the edge of a small jungle-stream, where it was present in large numbers ; Bojiaghat, 12. vi. 1915. This is evidently a good species, the ten specimens agreeing exactly in all particulars, whilst the three examples of my calopa are also consistent ; limbata of Osteu-Sacken, however, according to him, appears to be variable. The present species is best described as possessing the abdomen of calopa with the wing of limbata, with the addition of an all-black thorax and a large black •stigma. 78. Atrichops metatarsalis, Brun. (PI. II, fig. 14.) Atherix metatarsalis, Brunetti, Rec. Tnd. Mus. ii, p. 422, pi. xii, figs. 5, 6 (1909). dark brown, normal, first joint hairy above only, second joint hairy above and below ; face below antennae ash-grey ; palpi and proboscis cinereous grey, with scattered hairs, the former with some strong black hairs at tip. Thorax blackish, with traces of close cinereous grey pubescence, which in perfect examples pro- bably covers all the dors urn and sides ; with also some scattered longer hairs over the whole thorax. Scutellum blackish, with scattered yellowish grey hairs and reddish-brown posterior border carrying a fringe of black and grey hairs. Abdomen shining dark blackish brown, shoulders prominent, forming tawny-brown calli with grey hair ; underside of 1st segment continued in front as a yellow scaly process extending downwards till it reaches the hind coxaa; 1st and 2nd segments occupied by a pale bluish-grey transverse band, narrowly interrupted in the middle, extending over the sides to a considerable extent, and clothed with pale concolorous hair which is continued along the lower sides of the whole abdomen to the tip ; dorsum clothed with short black pubescence which, beginning with the 3rd segment, extends round the sides until it meets the line of grey side-hairs ; a very narrow bluish-grey border to 4th and 5th segments, the extreme edge of 5th and 6th segments being orange-brown. Leys blackish brown,. ATRICIIOPS. 119 minutely pubescent ; apical half of all femora and the whole of the middle tibiae reddish tawny : some whitish-grey hairs below femora ; hind tibiae shortly pubescent, with reddish-bronze reflec- tions. Wings pale grey, apical half pale brownish; no distinct stigma, but a rather broad ill-defined brown band runs from the stigmatic portion of the costa towards the posterior border, but fades away before reaching it ; discal cell three times as long as broad ; anal cell closed just before the border ; by a strong con- vergence of the veins the fourth posterior cell (termin, O.-S.) is. almost closed, thus (if a stable specific character) separating this species from all other Oriental species in this genus ; halteres yellowish, knobs black, rather large ; tegulae cinereous grey. Length, 10 mm. Described from one £ from Margherita and two $ $ from the base of the Dawna Hills, Amherst District, Lower Burma, 1. iii. 1908, all in the Indian Museum (Annandale) ; Bojiaghat, 12. vi. 1915 ; Ivathgodam, 16. vi. 1915. 80. Atrichops caerulescens, Brun. (PL II, fig. 13.) Atherix c&rulescens, Brunetti, Kec. Ind. Mus. vii, p. 463, pi. xxxvii, fig. 3 (1912). $ . Head blackish, mainly dusted with bluish grey; frons, from the ocelli downwards for three-fourths of the distance to the antennae, shining black, bare, in which colour is inset a deep dull velvet-black triangle, its base on the lower margin of the shining part : antennae black, dusted with bluish grey, 3rd joint dull reddish yellow : mouth-parts dusted with bluish grey. Thorax blackish, with a shining bluish-grey reflection ; two not very obvious whitish dorsal stripes, and there are greyish reflections on the shoulders, posterior corners, and elsewhere, viewed in certain lights; a few soft black hairs on dorsum ; sides, pleura?, and scutelium concolorous, a little yellowish behind the thoracic stigma. Abdomen blackish, barely shining, with short sparse greyish pubescence; 1st segment dusted with bluish grey, 5th and 6th with light bluish-grey hind margins; venter mainly blackish. Legs black, minutely pubescent, coxae dusted with bluish grey. Wings very pule «rey; across the centre a reversed triangular brown spot reaching from the costa to the hind margin, where its apex meets the tip of the closed anal cell, the colour filling most of the discal cell and crossing the tip of the upper basal cell ; following the discal margin of this brown triangle (at a distance leaving a moderately wide intermediate clear band) is the proximal margin of a second large brown band, which fills thence the whole of the discal part of the wing ; a brown streak in the middle of each basal cell; stigma dark brown, filling distal half of cell; halteres yellow, clubs black. Length, 6 mm. Described from a perfect $ in the Indian Museum from Kurseong, 5000 ft., 6. ix. 1909 (Annandale). 120 LEPTID.E. Genus ATHERIX, Mg. Atherix, Meigen, Illig. Mag. ii, p. 271 (1803). Ibisia, Rondani, Dipt. Ital. Prod, i, p. 154 (1856). Peleckoidocertt, Bigot (p.p.}, Ann. Soc. Ent. France, (2) ii, p. 91 (1856). GENOTYPE, Atherix ibis, F. ; by general acceptance.* This genus differs from Atrichops, Verr., chiefly in the pubes- cent frons and face. In A. ibis, a well-known European species, both these parts bear dense long pubescence, whereas in Atrichops they are bare. Verrall, in describing Atrichops, adds a number of minor charac- ters which, though illustrative of the type-species (crassipes, Mg.), may possibly not occur in all the species that it may be advisable to refer to the genus. The characters therefore allotted in this work to Atrichops may be considered to apply to Atherix also. Only one species is Indian, labiata, Big.f Range. World-wide. Life-history. It has been said that the larva has tracheal gills, whilst Brauer states that it possesses true pseudopods instead of the roughened intercalated areas generally present in this family. The $ $ of A. ibis, a European species, cluster on a bough and lay their eggs all together in a mass, dying on the cluster, the larvae when hatched falling into the water. 81. Atherix labiata, Big. Atherix labiata, Bigot, Bull. Soc. Zool. France, xii, p. 117 (1887) ; Brunetti, Rec. Ind. Mus. iii, p. 212 (1909). $ . " Proboscis at least as long as height of head ; labella distinctly enlarged ; palpi bare, a little dilated, dark brown : frons black, with a few black hairs, face whitish-tomentose. Thorax and scutellum moderately shining black, the former with grey reflections, tomentose on anterior part, sides grey-tomentose. Coxae black; halteres chestnut, with tips blackish. Abdomen shortly pubescent, grey at the sides ; 1st segment black at base and middle, with a half band of grey dust on each side ; 2nd segment dull tawny, with a triangular basal black spot, and at the middle of each side a brownish transverse half-band ; 3rd segment with a transverse reddish line in middle. Legs all black, except base of hind femora which is tinged with pale yellow. Wings nearly clear at base, posterior half brownish grey, with three * Coquillett adopts Rhagio diadema, F., as genotype, but Verrall successfully establishes ibis as such (British Flies, v, p. 285). t My thanks are due to Mr. Collin for the information that labiata, Big., is truly an Atherix after an examination of the type, otherwise, as all the species that have come before me belong to Atrichops, I should have been tempted to include labiata also in that genus. SURAGINA. 121 broad contiguous hyaline spots ; stigma oblong, brown ; veins with brownish int'uscation ; anal cell closed before the border." (Bigot.}. Ceylon. Type in Bigot's collection.* Genus SURAGINA, Walk. Suragina, Walker, Proc. Linn. Soc. Lond.'iv, p. ] 10 (1860). GENOTYPE, Suragina illucens, Walk. ; the original species. $ . "Body linear, moderately broad. Head almost as broad as the thorax; vertex and front of equal breadth. Proboscis porrect, compressed, a little shorter than the breadth of the head. Palpi lanceolate, contiguous to the proboscis. Antennae very short ; 3rd joint round ; arista slender, bare, longer than the antenna;. Thorax a little narrower in front. Abdomen somewhat flat, less than twice the length of the thorax, obtuse at the tip. Legs bare, unarmed, rather long and slender. Wings moderately long and broad ; radial vein slightly curved ; forks of the cubital vein a little longer than the preceding part ; 3rd externo-medial vein inclined beyond the discal areolet towards the 4th, which is straight ; subanal and anal veins united close to the border ; discal areolet nearly six times longer than broad, its fore side hardly angular." ( Walker.) Range. Ceylon, Celebes, Gilolo. It is necessary to reproduce Walker's own description of this genus unaltered, since no example has been available for re- description. Osten-Sacken drew attention t to the fact that, in setting up Suragina, Walker omitted to note its close affinity to Atlierix, and observes that that author had labelled as a Suragina a species which Osteu-iSacken himself subsequently described as Atherix limbata (loc. cit.). Yet Walker certainly knew of Atlierix, a not uncommon European, even British, genus. Karsch admits the great affinity between the two genera, but seems to have successfully differentiated them.J Only three species are known. 82. Suragina elegans, Karsch. Suragina elegans, Karsch, Berl. ent. Zeits. xxviii, p. 174 (1884). m the rather clearer middle parts ol most of the cells . . 4. 4. Prongs of upper branch of 4th longitudinal vein issuing from discal cell well sepa- rated ; grou .d-c<>lour of hind border of wing of same shade as remainder of wing; stigma brown, rather ill-defined; length, [p. 131. 3 mm albopictus, Brun., Prongs of upper branch of 4th longitudinal vein issuing from discal cell united or nearly so ; hind part of wing nearly clear, except for the infuscatious along the veins ; stigma nearly blcick, more shai'ply defined ; [p. 132. length, 4 mm ornatipennis, Brun., 5. The long dark brown stigma uninter- [p. 133. rupted luctuosus, Brun., Stigma interrupted by an elongate yellow [p. 133. spot Jlavopunct(itus,Brnn.,* 6. Wii.g with six bluish opalescent spots ; 2nd posterior cell much longer than 3rd opalescens, sp.n.,p. 134. Wing without traces of opalescent spots; 2i,d posterior cell subequal to 3rd, at least in ad my species 7. 7. Mainly black species, at least the thorax . . 8. Mainly yellowish or brownish species, at least the thorax almost nlways so 18. 8. Wings with a di-tinct suffusion in addition to stigma ; (wings pale brown in humeralis only) 9. Winers unmarked except for the stigma .... 13. [p. 135. 9. Wings uniformly pale brown humeralis, Brun., Wing- never uniformly pale brown ; prac- tically clear, w;th more or less distinct suffusions 10. 10. Wing-tip clear, a distinct brownish suffu- sion from stigma to beyond middle of [p. 13?. wing segmentatus, Brun., Wing-tip always distinctly infuscated .... 11. K 130 LKPTIDjfi. 11. Wing-tip blacldsh from near stigma up to and including 3rd posterior cell 12. Wing-tip suffusion consisting of infuscation [ p. 136. of both branches of 3rd vein cochinensis, sp. n., 12. Second and third antenual joints and palpi black ; abdomen all black ; wing-tip suf- fusion stronger gravelyi, sp. n., p. 137. Second and third antennal joints and palpi yellow ; abdomen yellowish at base ; wing- tip suffusion less distinct similis, sp. n., p. 138. 13. Antennae black 14. Antennae yellow 16. [p. 138. 14. Stigma large, dark brown, well-defined. . . . maynipennis, Brun., Stigma brownish yellow, diffused or ill- defined 15. 15. Femora all yellow, except the narrowly black base ; stigma pale brownish yellow, [p. 138. ill-defined flavopilosus, sp. n., Femora all yellow, except the black basal half of anterior pairs; stisrma yellowish [p. 137. brown, suffused . . 1tirmanensisy sp. n., 16. Legs yellow yerbunji, sp. n., p. 139. At least basal half of anterior femora [p. 140. black albobasatis, Brun., 17. Stigma pale yellow; two shining white spots above antennae insularts, Sch., p. 140. Stigma conspicuous, dark, but not always with well-defined limits 19. 18. Wings distinctly yellow 20. Wings grey 21. 19. Lower eye-facets barely smaller than upper ones; tibiae more or less darkened soon [p. 141. after the base ; length, 8-11 mm ferruginosus, Wied., Lower eye-facets very much smaller than upper ones; tibiae practically all yellowish ; length, 5| mm unicolor, Brun., p. 141. 20. Third antennal joint black 22. Third antennal joint yellow 23. 21. Basal half of abdomen yellowish, except for a dorsal dark stripe and dark hind margins ; rest of abdomen black ; wings practically clear, except for a small dark brown stigma and faint transverse suffusion to- wards tip; narrow, graceful, nearly linear species ; anal cell closed at some distance before border stigma, Brun., p. 142. Abdomen dark shining brown, hind margins of 2nd, 3rd, and 4th segments broadly yellow ; wing distinctly grey, almost yel- low-tinged ; large brown stigma ; broader, comparatively shorter species; abdominal segments after 4th suddenly contracted ; anal cell closed just before border latus. sp. n., p. 143. 22. First antennal joint black; legs darker brown. sordidus,sp.i\.,p. 143. Antennae wholly yellow ; legs yellow, tibiae and tarsi a little darker a#ema mm. Described originally by Lichtwardt from a type J in his col- lection, which, purchased from a dealer, bore the label " Ecuador, iii. 1899." This author subsequently received from the Indian Museum for examination the c? specimen from which the above description is drawn up — from the Dawna Hills, Burma, 2000- 3000 ft., 3. iii. 1908 (Annandcde). Type in Herr Lichtwardt's collection. 114. Hirmoneura opaca, Liclit. (PI. II, fig. 22.) Hinnoncura o))aca, Lichtwardt, Deut. Ent. Zeits. p. 643, $ (1909) ; id., Rec. Ind. Mus. ix, p. 334, (1909) ; id., Rec. Ind. Mus. ix, p. 333, $ (1913). <$ 2 . A small grey species with abdominal bands. Head with eyes thickly pubescent, especially in •$ , narrowly separated in c? ; frons scarcely wider in $ , bearing sparse black hair, around the antennal base with thicker yellowish-grey hair ; antennae, palpi, and legs all yellowish red,* tarsi hardly darker. Thorax blackish, wifh grey pubescence, which at the sides is longer and more yellowish. Abdomen with basal part of 1st segment dark brownish, apical part pale slate-grey; rest of segments grey, with thin yellow pubescence and brown margins ; in the tf the rows of abdominal pubescence are more erect and prominent, forming in both sexes on the side-margins almost bunches of yellow and black hairs intermixed. Wings grey, light brown anteriorly ; halteres blackish brown. Length, 11-12 mm. Described originally from the $ sex only from India; the tf subsequently described from two specimens from Phagu, Simla Hills, 9000 ft., 12. v. 1909. Type ( $ ) in the British Museum, from the Saunders collection ; of the c? c? referred to, one is in the Indian Museum. The above description is mainly Lichtwardt's, to which I have added a note or two from the Indian Museum specimen. 116. Hirmoneura brunnea, Licht. Hirmoneura brunnea, Lichtwardt, Deut. Ent. Zeits. p. 645, £ (1909). $ . Near H. coffeala, possibly a seasonal form of it. In this species the wings are proportionately much shorter, being only 11 mm. long to a body of 11 mm., plus ovipositor of 2 mm. to 3 mm. Apart from the difference in the proportions, the charac- ters are mainly as in II. coffeata ; the pubescence on the sides of the thorax and at the base of the abdomen is yellow, not pale brown ; legs all yellowish red; wings rather duller in colour, and the fore border darker. Described by Lichtwardt from a single $ in the British Museum from Trincomali, Ceylon, 3. iv. 1892 (Col. Yerbury). 117. Hirmoneura ochracea, Licht. Hirmoneura ochracea, Lichtwaidt, Deut. Ent. Zeits. p. 643, <^ (1909). c? . Very near H. austeni. Body pale brown, with short velvety yellow pubescence, which is longer behind the scutellum and at the base of the abdomen. Eyes with distinctly yellow hairs, * According to Lichtwardt ; I call the legs bright yellow, as in H. annandalei. 152 NEMESTBINID^E. closely contiguous, so that only a very small frons remains, which latter is clothed with yellow ochre and dark brown hairs inter- mixed. Antennae brownish ; eye-margins bent, reaching to base of antennae. Legs wholly yellow ochre. Wings yellowish grey, fore border yellow ochre. Length, 18mm. Described by Lichtwardt from a single 3 from the Tau Plateau, Burma, 4000 ft., ii. 1890 (Col. C. T. Bingluam). Type in the British Museum. 118. Hirmoneura austeni, Licht. Hirmoneura austeni, Lichtwardt, Deut. Ent. Zeits. p. G43, rf (1909). c? . A large robust species. Body deep dark brown, evenly clothed with long, erect, woolly, pale brown pubescence, which is thicker on the sides of the thorax and abdomen, where in certain lights it has a kind of bronze tinge. Head semicircular; eyes closely hairy ; frons broad, forming one-sixth the width of the head with dense deep black pubescence ; epistome a little broader, black, with concolorous pubescence ; a few light, brown hairs only about the mouth-opening and around the short proboscis ; antennae and palpi black ; the latter curving upwards, lying close along the eye-margins and reaching to base of antennae. Lower surface of head and sternum with yellowish hair; venter with yellowish pubescence ; the extreme base of abdomen writh a narrow band of deep black hairs. Legs stout, reddish yellow: anterior femora brownish, with dense pale pubescence, which makes them appear even thicker. Wings brown, anteriorly darker. Length, 18-20 mm. Described by Lichtwardt from five 3 <3 in the British Museum from the Khasi Hills, Assam. 119. Hirmoneura coffeata, Licld. Hirmoneura coffeata, Lichtwardt, Deut. Ent. Zeits. p. 644, $ (1909). ? . A large species with coffee-hrown body, rather bare, with some pale brown pubescence only on sides of thorax between the shoulder and wing-base ; underside of thorax with patches of pale hairs above the front coxae and under the wing-base ; every- where else, including the venter, only very thinly pubescent. The pubescence on frons rather longer, and towards vertex it is blackish brown, at base of abdomen a narrow band of all black hairs. Wing surface uniformly coffee-brown, with bronze and cinnamon-brown reflections ; alulae very reduced so that the wing is almost clavate; legs paler brown than the body. Length, 16mm. H- ovipositor 4mm.; wing, 24mm., breadth of wing, 5| mm. Described by Lichtwardt from a single $ from Eambodde, Ceylon (Nietner). Type in the Berlin Museum. THICHOPSIDEA. 153 Genus TRICHOPSIDEA, Westw. Trichoptidea, Westwood, Trans. Ent. Soc. Lond. ii, p. 151, pi. xiv (183G) ; Maequart, Dipt. Exot. ii, pt. 1, p. 397, pi. iii, fig. 1 (1840);* Wandolleck, Ent. Nach. xxiii, p. 250 (1897). GENOTYPE, Trichopsidea cestracea, Westw. ; by original desig- nation. Of the normal Nemestrinid type ; the species smaller than those of Atriadopz, with exceptionally long wings, allied to Triclioplitlialma and Meyistorliynclius. Three ocelli on a small conical tubercle ; epistome (Estrid-like, mouth-parts very reduced and indistinct, mouth itself very rudimentary ; abdominal seg- ments puffed up ; genitalia in male clubbed ; $ unknown. First and Just tarsal joints each as long as the other three together. Auxiliary and 1st longitudinal veins apparently united until beyond middle of wing, the former then turning up to costa rather suddenly ; upper branch of 3rd vein turned up suddenly, meeting 2nd vein about its middle; both branches of 4th vein apparently united at tip of discal cell, upper branch eitlier single or, if forked, the lower prong may consist also of the tips of both the lower branch of the 4th vein and upper branch of the 5th. If this reading of the veins be correct there is a somewhat long posterior cross-vein. Anal cell open, axillary vein and squamae absent. llanye. Except dolirni from the Andamans and Sumatra, the only other known species (cestracea, Westwood) is from Australasia. 120. Trichopsidea dohrni, Wand. Trichopsidea dohrni, Wandolleck, Ent. Xacli. xxiii, p. 251, figs. 7, 8 (1897) ; Liclitwardt, Deut. Ent. Zeits. p. 648 (1909). 3 . Ground-colour reddish brown, with not very reddish- yellow hairs. Head rather broader than thoi-ax, shining golden brown ; eyes contiguous below vertex, upper facets much larger than lower ones; three yellowish-brown ocelli on prominent vertical tubercle, with black and reddish-brown hairs : epistome (Estrid-like, with thick reddish-brown pubescence ; antennae 3- jointed, 3rd joint rod-shaped, with undulating outline; at tip with some very short fine pellucid hairs ; mouth-opening indistinct. Thorax brown, with fine velvet-like tomentum, showing several darker and lighter indistinct longitudinal stripes ; in front and at sides with long thick reddish-yellow pubescence ; scutellum pale brown, anterior margin darker ; squama3 absent ; halteres greenish yellow. Wings pale yellowish brown, with six clear-cut hyaline spots, which in certain lights show a pearly lustre; 1st longi- tudinal vein present ; anal vein absent. Abdomen yellow, with velvet tomentum; 1st segment pale yellowish, 2nd with a pale •* Macquart's figure shows the broad elongale-conical labrum ; the longer, concave, round-tipped labium ; and the long filamentous organs, all as described by Westwood, who assumed the latter to be "analogous to palpi" and stated that the mouth was rudimentary and concealed. Wandolleck also describes the mouth as rudimentary. 354 NEMESTRINID-S. band interrupted in middle and with two pale side-spots ; these spots occur on each succeeding segment also, and are visible, with the interrupted band, through absence of tomentum ; venter pale yellowish red, with a darker mark at sides of each segment. Legs with coxa?, trochanters, and femora of both anterior pairs yellowish red, with moderately long concolorous pubescence ; tibiae fawn- yellow with reddish-brown tips ; hind femora long, thin basally, thence distinctly clubbed; the thin part fawn-coloured, the clubbed part reddish yellow ; last tarsal joint and pulvilli reddish yellow, the other joints fawn-colour with darker tips ; claws dark brown. Length, 10mm ; wing, 11'4 mm. Described by Wandolleck originally from a type tf from Sumatra, and Lichtwardt subsequently recorded another 3 from Boss I., Andaman Is., v. 1904 (Col. C. T. Bingham}. Type in Herr Dohrn's collection at Stettin ; the second speci- men in the British Museum. Genus ATRIADOPS, Wand. Atriadops, Wandolleck, Ent. Xach. xxiii, p. 245 (1897). Colax, Wiedemann (nee Hiibner, 181G), Analec. Ent. p. 18, pi. i, fig. 8 (1824); id., Auss. Zweifl. ii, p. 260, pi. ix, fig. 11 (1830) ; Macquart, Dipt. Exot. ii. pt. 1, p. 34, pi. iii, fig. 2 (1840); Westwood, Cab. Orient. Entom. p. 38, pi. xviii, fig. 5 (1847) -r Walker, Ins. Saund., Dipt. pi. v, fig. 4 (1850). GENOTYPE, Colaxjavana, Wd., or C. macula, "Wd.* Moderate-sized species with peculiar tomentose-like pubescence and dark-coloured and spotted wings. Epistome (Estrid-like ; eyes in cf subcontiguous for a short space ; ocelli absent ; proboscis not. obvious, if projecting from mouth-opening, hidden in the long hair of the face ; antennae 3-jointed, much as in Hirmoneura. Thorax subquadrate, rather broader than long ; abdominal seg- ments somewhat puckered-up just before the hind margins, forming a blunt ridge ; genitalia in c? short, tip with a broader base, in £ longer with sabre-shaped lamella. Hind femora slightly thicker ; first and last tarsal joints each as long as remaining three together. Wings with auxiliary vein short, ending free at about opposite origin of 4th vein ; 1st longitudinal and greater portion of vein " diagonal " considerably thickened ; 3rd vein forked ; 4th vein forked, anastomosed as usual for some distance with 3rd ; lower prong of upper branch not always reaching wing-margin ; f anal cell open, axillary vein present; thoracic squama? well developed ; two submarginal and four posterior cells, 1st sometimes divided * Both originally described together on the same page. I cannot per- sonally decide and have seen no species set up as genotype. f It does not do so in the one example of A. javana that I have seen, but Waiidolleck figures it running to the wing-margin, with also a short cross-vein between it and the vein in front (Ent. Nacb. xxiii, p. 246, fig. 1, 1897). AT1UADOPS. — CEYLONIA. 155 by a cross-vein, 3rd closed ; discal cell sometimes narrowly open ; * anal cell open. Range. The very few species known come from China, Brazil, Ceylon, Sumatra, Java, and South and West Africa. 121. Atriadops javana, Wied. Colax javana, Wiedemann, Analec. Ent. p. 18 (1824) ; id., Auss. Zweifl. ii, p. 261 (1830). Atriadops javanaj Walker, Ins. Saund., Dipt. pi. v, fig. 4 (1850) ; Wandolleck, Eut. Nach. xxiii, p. 246, fig. 1 (1897). c? . Head with eyes contiguous for a short space ; frons pale brownish grey, with greyish-white hairs ; antennae pale brownish yellow. Thorax (?) blackish (discoloured, probably brownish in life), sides with longer whitish-grey hairs. Abdomen brighter brown, each segment towards hind border drawn up slightly, forming a slight ridge ; anterior half of each segmeiit with fine golden-grey pubescence, which towards sides becomes longer, thicker, and whiter, and laterally on the hind margin of each segment is some long black pubescence. Wings dark brown, the darker parts blackish, hind margin rather broadly greyish, except at extreme wing-tip, at tips of lower prong of upper branch of 4th vein, tips of both branches of 5th vein, two or three intermediate spots situated rather close together, and at tips of anal and axillary veins, at each of which is a small blackish-brown spot ; similar dark spots occur on the distal side of the diagonal veins, at the juncture of the veins, and larger ones at the forking of both 4th and 5th veins ; at the distal end of the 2nd basal cell is an ill-defined clearer space, and a similar subtriangular one extending from the 3rd vein just before it meets the 4th, which, inclining distally and diagonally, nearly reaches the costa. Thoracic squamse considerably developed, with long greyish fringe. Length, 8 mm. Ee- described from a single c? in the Indian Museum from Trincomali, Ceylon, 10. ix. 1909 (Col. Yerbury}, presented by Herr Lichtwardt, the species having been originally described from Java. Genus CEYLONIA, Licht. Ceylonia, Lichtwardt, Deut. Ent. Zeits. p. 646 (1909). GENOTYPE, Ceylonia magnified. Licht. ; by original designation. Body robust, linear. Proboscis hidden by the long hair of the face; palpi small, thin; "j" epistome pointed, as in Trichopsidea, * In Wandolleck's figure of A. macula, Wd. (/. c. p. 247, fig. 2), a Brazilian species, the discal cell is prolonged narrowly to the wing-margin, remaining open through the failure of the lower branch of the 4th vein to meet the lower prong of the upper branch. The species seems abnormal, as the 2nd longi- tudinal rein is either absent or the 3rd vein must be unforked. Also in the basal angle of the last posterior cell is a very small quadrate additional cell. t I follow Lichtwardt in sfating that the face has long hair, but I have not noted this fact in describing my nivea. In any case in my type of that species the palpi are perfectly obvious. 156 NEMESTRINID^. Dicrotrypana, and Symmictus. • Eyes in J contiguous for some distance, upper facets larger than lower ones ; vertex very small, tliree ocelli on small prominent tubercle. Antennae short, of normal Nemestrinid type ; 1st joint cylindrical, 2ud half; as long as 1st, 3rd globular, with apical bristle longer than the whole antenna. Wings with auxiliary and 1st longitudinal veins verv long, straight, close together, ending at a little distance before wing-tip ; 2nd vein beginning at half the wing's length, straight ; 3rd begin- ning immediately afterwards, projected diagonally downwards, anastomosing as usual with 4th vein, forking shortly beyond; 4th vein with upper branch forked, the branches of 3rd and 4th veins all parallel with 2nd vein and with hind margin of wing; all ending above wing-tip, except the lowest, which ends exactly there ; lower branch joining upper one just before forking of latter; 5th vein rather peculiarly forked, so that the shape of the last posterior cell at base is that of a slightly curved cone ; posterior cross- vein absent; anal cell open, axillary vein long. Two submarginal and five posterior cells, 4th closed. 122. Ceylonia magnifica, Licht. (PI. II, fig. 23.) Ciylonia magnifica, Lichtwardt, Deut. Ent. Zeits. p. 646, rf (1909). Atriadops n'ivea, Brimetti, Rec. Ind.fMus. vii, p. 477, tf (1912). J . Head blackish grey ; palpi thin, small, of same colour ; eyes brown, very large, contiguous for half the distance from the very small vertex (bearing tliree small ocelli) to base of antenna?, the lirst two joints of which are brown (3rd joint missing); underside of head with some grey hairs. Thorax thickly clothed with pale yellowish-grey hairs, which become white on the sides. Abdomen thickly clothed with pale yellowish-white hairs, which, seen in front, appear silvery white ; venter dark grey, with grey hairs. Legs dark reddish brown. Winys clear, narrowlv dark brown at base; also a narrow, irregular but clearly-cut, stripe across the middle from the costa nearlv to the hind border; a second wider similar band towards tip, which reaches the hind margin, spreading over both sides of the "diagonal" vein, and connected along the costa with a small apical spot, and proximally less distinctly with the median band, leaving a well-marked clear oblong spot between the 1st and 2nd longitudinal veins ; a small brown spot on wing- margin at tip of 5th longitudinal vein and a larger one at tip of 6th. Length, 12 mm. The species was described originally by Lichtwardt from a single J from Pundaluoya, Ceylon (Green}, in the British Museum. At the time of describing my nivea I had overlooked this author's paper on Oriental NEMESTRIXID.T:, and the description given here is that of the type of my species from a single S in mv collection from Haldumulla, Ceylon (Green"). 157 Family CYRTID^E. Head very small, subglobular, almost wholly consisting of the enormous eyes, which tire contiguous in both sexes ; vertex very small ; frons generally very small. Proboscis varying from very thin and elongate (MS in some BOMBYLIID.E) to very short or obsolete; palpi generally obsolete. Antennae approximate at base, placed in some genera well above, in others well below the middle line of the -head, 3-jointed, variable in shape, 1st joint sometimes minute. Thorax greatly humped ; prothorax sometimes (PHILOPOTIN^E, non-Oriental) enormously developed ; pubescence moderately thick, sometimes furry ; scutellum lai-ge, without bristles ; rneta- uotum generally concealed by it. Abdomen very broad and gibbous, often quite globular and pellucid, normally 5-segmented ; pubescence variable ; genitalia inconspicuous. Legs simple, comparatively short, rarely with a short blunt spur on middle tibiae, or with one developed and one less developed spin- on posterior tibiae, or a circlet of very short spines on front tibiae : 3 pulvilli; empodium as pad-like as outer pulvilli; claws long. The entire body is wholly devoid of spines or strong bristles. Wings diverging and deflexed when at rest, longer in § than in J ; venation very characteristic, but a general interpretation of its varied forms would be out of place here, as only four genera are Oriental. Ambient vein at times quite absent, even above the wing-tip ; auxiliary and 1st veins long, 2nd vein often absent; praefurca beginning about opposite the base of the discal cell ; anterior cross-vein near base of discal cell, sometimes very short or absent; 3rd longitudinal vein generally forked ; posterior cross- vein present or absent, 4th vein with manifold ramifications ; 5th vein generally forked; anal vein present, sometimes weak and, with the axillary vein, possibly absent. Technically two submarginal cells and from three (sometimes apparently only two, owing to the dividing vein being obsolete) to five posterior cells. The venation in this family is, perhaps, not thoroughly understood yet.* Thoracic squamae enormously developed and very promi- nent, wrinkled, and generally pubescent, their size being one of the chief characters of the family. Life-history. The metamorphoses of several species are knownf, the larvae being parasitic in the egg-cocoons or the abdomens of spiders. The larva is amphiueustic (though Konig describes that of Oncodes as metapneustic), short, thick, 12-segmented, with very * See Verrall, Brit. Flies, v, p. 447 et seq. t At-tomclla linden it, Ericlis., Brauer, Verh. zool.-hot. Ges. Wien, xix, p. 737, pi. xiii, figs. l-(i (1869), and in Denks. Ak. \Viss. Wien. xlvii, pi. v, figs. 89-92 (1883). Oncodes pallipes, Lntr., Menge, Schrift. Danzig. Natur. Ges. i, p. 37 (18C>6); Oncodes fumatiis, Erichs., Brauer, Verb, ssool.-bot. Ges. Wien, xix, p. 737 (186'J). Henops brit, List, xx, p. 100, pi. x(1888). 158 CYIlTIDjE. small head and small mouth-parts ; the posterior spiracles accom- panied by peculiar large plates. Pupa free, with a median longi- tudinal row of spines on dorsum of thorax. Lundbeck writes of one species : — " The larva was lying in the abdomen of a Cteniza ariana with the terminal spiracles in one of the lungs of the Cteniza. Before pupation the larva left the now dead Arachnid and transformed in the nest." Stein and Konig state that the eggs of some species are deposited on branches of trees, also that the young larvte possess considerable leaping powers. The globular shape of the CIBTIDJE with the very large squamae and characteristic venation stamp the members of this family with a facies peculiarly their own, except for a few short, hump-backed BOMBYLIID^, but from these the three (not two) pulvilli and the venation at once separate them. This family is by some authors called the ACUOCEIUD^, but the name is " absolutely contradictory to most of the genera " (Verrall). The term CYRTLD.E was used as far back as 1841, the genus Gyrtus antedates Acrocera, and the family name is sup- ported by Verrall, Osten-Sacken, and others.* The range of the family is world-wide, but only about two hundred species are known. Table of Subfamilies. Prothoracic plates enormously developed, united dorsally, forming a. large shield between meso- notum and neck , PHiLOPOTiN^E,p.l58. Prothoracic plates not conspicuously developed. Third antennal joint long and strap-shaped ; no trace of style or apical bristle PANOPIN^:, p. 160. Third antennal joint generally short ; apical bristle or stiff hairs always present .... CYETIN^:, p. 163. There are different views as to the location of some of the genera, as to their synonymy and their limits. I follow Verrall in keeping Pterodontia in CYRTIN^E. Subfamily PHILOPOTIN^l. The principal character is the enormous development of the prothoracic plates. Only one species is Oriental. Genus PHILOPOTA, Wied. Philopota, "Wiedemann, Ausser. Zweifl. ii, p. 17 (1830). GENOTYPE, Philopota conica, Wied. (Brazil). Head much puffed out behind eyes; three ocelli t; eyes con- * The family has been called by various other names by different authors; INFLATE, for instance, and ONCODID*, Kertesz even retaining this latter name to the present day. t According to Wiedemann ; the lower ocellus in my species is not discernible, but it is impossible to state definitely that it is not present. PHILOPOTA. 159 tiguous, pubescent ; frons slightly prominent on lower part ; antennae elongate, porrect, approximate and bulbiform at base, situated immediately above base of proboscis, 3rd joint with apical bristle. Proboscis very long and thin, projected below the body to a considerable distance. Thorax with prothoracic lobes enor- mously developed, prominent, their inner angles touching one another. Abdomen conical (conica, Wied., type) or rounded (viridcenea). Legs of moderate length and size, of the normal Cyrtid type. Wings with auxiliary and 1st longitudinal veins long, nearly parallel, prsefurca beginning just before middle of wing; 2nd longitudinal vein long, ending much above wing-tip; 3rd vein simple, dying away a long distance from border of wring ; anterior cross-vein present ; 4th vein simple, nearly straight, almost attaining border; 5th vein simple, twice bent towards tip; anal vein long, reaching wing-border.* Range. South Europe, Asia Minor, India, Japan, Mexico, and South America. The above is an attempt at an augmented description of the genus, as Wiedemann's was so short.t When additional species are known a further description may be given. 123. Philopota viridsenea, sp. nov. Head much extended behind the eyes, the surface shining aeneous green, closely punctured, covered with rather dense, moderately short, vellow pubescence ; eyes touching from just below the small vertex bearing the ocelli,]; and with moderate! v short, not, dense, dark brown pubescence, facets of uniform size; frons of moderate size, flush with eyes at apex, but rather prominent on lower part, dark shining blackish brown, more or less yellow on lower margin; antennae elongate oval, dark shining brown, with long, yellow, translucent stvle; cheeks blackish grev ; the large, smooth, oval, shining black base of the proboscis beginning just below the antenna? ; the rest of the proboscis bright yellow, bnre, in length reaching under the body to tip of abdomen, the tip widely bifid. Thorax with the entire surface of dorsum and sides, and of scutellum, shining aeneous green, closely punctured, covered with very short yellow pubescence. Prothoracic lobes very large and prominent, subt ri angular, their inner angles contiguous, the upper angles tipped with yellow. Abdomen aeneous green, closely punctured, with very short yellow pubescence, which on the last two segments and towards sides of previous segment is changed to greyish ; extreme side-margins of most of the segments * Verrall suggests a different reading of the veins, calling them in order, auxiliary, 1st and 3rd longitudinals, and 4th vein (forked, the anterior cross- vein being therefore absent). t " Antenna; porrect, approximate, small, inserted above base of proboscis, bulbiform, bristles apical. Proboscis elongate, deflexed before thorax. Eyes contiguous, hairy. Three ocelli. Abdomen conical." } Only the two upper ones are obvious; there should be three. 160 narrowly brownish yellow ; venter dull aeneous, with short whitish pubescence ; geuitalia concealed, somewhat yellowish. Legs black- ish with short grey pubescence ; femora black, extreme base and nearly the apical halt' yellow ; rest of legs wholly yellow ; ail legs with very short inconspicuous pale pubescence ; the three yellow pulvilli and the black claws distinct. Wings yellowish grey, considerably iridescent and rippled ; veins in anterior part of wing black and distinct, the remainder yellowish and less distinct. Thoracic squamae enormous, grey, with short greyish pubescence on disc arid edge, sufficiently transparent for the brownish-yellow halteres concealed below them to be seen. Described from a perfect unique from Dungagali, 8000 ft., Hazara District, 21-22. v. 1915 (T. B. Fletcher). Type sent to British Museum. Subfamily PANOPIN^E. Little can be added to the characters given in the table. The basal and discal cells are generally well defined. Genus PIALEA, EricJis. Pialea, Erichson, Entomographica, i, p. 160 (1840). GENOTYPE, Pialea lomata, Erichs. ; by original designation. Body of the normal Cyrtid type. Head very small, mostly occupied by the densely pubescent, contiguous eyes ; occiput flattened, three ocelli ; proboscis very short, no obvious palpi. Antennae deflected, placed on the underside of a distinct tubercle in the middle of face between the eyes ; 1st and 2nd joints short, bristly, 3rd very large, elongate, leaf-shaped with obtuse tip, much longer than two basal joints together. Thoracic squamae enor- mously developed. Abdomen thick, oblong, conical, longer than thorax, densely pubescent, 6-segmented. Legs of normal Cyrtid type, tibiae ending in a small blunt tooth-like projection on inner aide. Wings of moderate size, slightly elongate ; costa ending at tip of lower branch of 3rd vein, immediately before wing-tip ; auxiliary vein ends at from two-thirds of wing (aurifrila) to nearly end of wing (lutescens) ; 1st longitudinal vein very long; 2nd begins at one-fourth of the wing, straight or gently curved towards tip, ending just beyond 1st; 3rd begins very near origin of 2nd, widely forked towards tip, nearly straight, with lower branch ending below wing-tip (lutescens), or bent upwards, both branches ending before wing-tip (aurtpt&s); anterior cross-vein very near origin of 3rd vein, at basal end of the elongate discal cell; 4th vein with apparently both branches forked, upper prong of upper branch closing the 1st posterior cell and giving the appearance of another discal cell in front of and parallel with the true one. In lutescens upper prong of lower branch throwing off a veiulet PIALEA. 161 closing discal cell (or it may be regarded as a discal cross-vein) ; in auripila, if such veinlet is a discal cross-vein, the 4th vein's lower branch is not forked, joining upper branch of 5th a little before margin of wing. Posterior cross-vein short; 5th vein forked, lower branch closing anal cell ; axillary vein present (at least in auripila). Three submarginal cells ; three or four posterior cells (first and last closed).* Range. The only other known species (P. lomata) is from Brazil. " . Life-history unknown. 124. Pialea auripila, Brun. (PL II, figs. 24, 25.) Pialea auripila, Brunetti, Rec. lud. Mus. vii, p. 472 (1912). cJ . Head about half the full height of the thorax ; eyes closely touching from the extremely small vertex to the base of the antennae, rather densely covered with long brownish-yellow hair; vertical triangle with three ocelli, slightly elevated; occiput much flattened, with brownish-yellow hairs ; proboscis very short, sub- conical, blackish, with some yellow hairs at tip; palpi not obvious ; frontal triangle black, very small, projecting over basal joints of antennae, which are short, a little broader at tip, blackish, with black bristles; the third joint of the shape of an elongated leaf, flattened, with obtuse tips, three times as long as the two basal joints together, yellowish, with dark brown lower margins. Tliorax higli, robust, nearly quadrate; ground-colour dark shining brown, closely covered with rather long thick bright golden-yellow hair. Scutellum and metanotum concolorous in ground-colour and hair with the dorsum ; sides of thorax dull yellowish, with long thick golden-yellow hair; a little brownish hair is intermixed here and there with the yellow hair of the thorax. Abdomen robust, thickened, longer than thorax, oblongo-conical, tip pointed. Brownish yellow; 1st segment, very short; the dorsum of each segment, mainly occupied by a large semi-circular dark brown spot at base, and extending in the middle of the segment to the hind margin, leaving the sides of the segments mainly yellow; 5th and 6th segments all black, the latter very small. Venter blackish brown, practically bare, emargination of segments narrowly yellow. The whole upper side of the abdomen with bright golden-yellow hair, which is brownish towards the tip. Legs with coxae half as long as femora, yellowish, with pale yellow hairs. Tibiae (which are a little longer than the femora) and tarsi black, with blackish-brown hairs ; underside of tibiae brownish yellow, and ernargi nations of the tarsal joints below narrowly yellowish ; tibiae a little broadened at tips, where they end in a small blunt tooth-like projection on the outer side. Tarsi a little longer than tibiae, base of metatarsus (which is equal in length to * My reading of the venation in my description of P. auripila was slightly faulty, the present interpretation being more probably correct. If 162 CYBTIOS:. the rest of the tarsus) pale yellow. Winys barely as long as abdomen, rather broad, tip rounded, pale grey ; costal vein very distinct, ending at tip of lower branch of 3rd vein, immediately before the extreme tip of the wing; auxiliary (subcostal) and 1st longitudinal veins thick, the former ending at about two-thirds of the wing, the latter a little beyond it, both nearly straight, distinctly separate (though approximate) from just beyond the humeral cross-vein ; the 2nd and 3rd longitudinals with the anterior cross-vein have the appearance of springing from a common stem (or else the 3rd longitudinal and the anterior cross- vein spring simultaneously from the 2nd vein at a little beyond its base) ; 2nd vein nearly straight, but curved upward at its tip, to thecosta; 3rd vein nearly straight, and in a straight line with the praefurca, forking widely towards its tip, and becoming suddenly much thinner, both branches ending in the costa distinctly before the wing-tip; anterior cross-vein short, near base of discal cell; 4th longitudinal vein forking just before anterior cross-vein ; upper branch nearly straight for more than half its length, thence with a slight curve, forked, the upper Fig. 10.--Pialea auripila. Brim., Fig. ll.—Pialca auripila, Brun., antenna. wing. prong erect, closing 1st posterior cell, lower prong running to wing-margin ; lower branch of 4th vein also comparatively straight, forked so widely towards its tip that the prongs are nearly in the same straight line with one another, upper one closing discal cell, lower one joining upper branch of 5th vein towards its tip, closing 3rd posterior cell. Posterior cross-vein very short, placed at about middle of discal cell ; 5th vein thickened, forked near its junction with posterior cross-vein ; lower branch closing anal cell. First basal cell rather large and broad, bounded distally by the anterior cross-vein ; 2nd basal cell much longer and narrower, bounded distally by the posterior cross-vein; discal cell elongate, about 3^ times as long as its greatest breadth. The 1st submarginal cell nearly as long as the marginal and narrowed at wing-margin; 2nd submarginal cell small, subtriangular. The 1st posterior cell embraces the wing- tip, but the upper prong of the upper branch of the 4th vein divides the cell at two-thirds of its length; 2nd posterior cell large, of irregular shape; 3rd closed, much wider distally; 4th subtriangular, formed by the branches of the 5th vein ; anal vein slightly curved ; axillary vein short, axillary cell large. Alulae LAS1A. 163 very small ; squamae pale yellowish, the upper ones small, the lower ones very large and pubescent. Halteres yellowish. Length, 12 mm. Described from a single perfect <$ in the Indian Museum from Kurseong, 6000 ft., 26. viii. 1909 (D'Alreu). This species is undoubtedly a Pialea, though it offers a slight variation from the venation of the type species,* and the shape of the abdomen is different. In my remark after my original description of auripiki. about Westwood's figure of the antennae, I overlooked his statement in his description of the tubercle on the face and the fact that the antennae are placed on the under- side of it. This fact further convinces me that my species is correctly placed in Pialea. Subfamily CYRTIN.E. Prothorax not forming a dorsal shield in front of mesonotum. Third anteunal joint normally short, with apical arista or hair- like rays. Three genera are Oriental, and are easily distinguished as follows : — An additional cell in wing above the discal and about as long LASIA, Wd., p. 163. No such cell. Costa with an angular projection at tip of 1st longitudinal vein; antenual tip with three fp. 165. stiff' hairs, or a style bearing three such hairs. PTERODONTIA, Gray, Costa without such projection ; antennae ending [p. 168. in a long arista ONCODKS, Latr., Genus LASIA, Wiedj Lasia, Wiedemann, Analec. Entom. p. 11 (1824); id., Ausser. Zweitl. i, p. 329 (1828). Mesophysa, Macquavt, Dipt. Exot. i, pt. 2, p. 166 (1838). Feriexutemma,aiyot) Ann. Soc. Ent. France, (3) iv, p. 65 (1856). Verticistemma, Bigot, op. cit. vii, p. 200 (1859). GENOTYPE, Lasia splendens, "Wied. (Brazil). Body of the usual Cyrtid type. Head with eyes bare, con- tiguous in both sexes, facets very small, of uniform, size ; no ocelli ; proboscis from a little shorter to a little longer than the body, narrow, cylindrical ; palpi apparently absent or obsolete. Antennae 3-jointed, porrect, approximate at base, diverging; 1st joint cylindrical, short ; 2nd broader than 1st, wider towards the * P. lomata, Erichs. (as P. lutescens, Westw., sp. nov.) Trans. Ent. Soc. Lond. (1876) pi. vi. This is the only other known species, and is from Brazil. t Kertesz in his catalogue ranks Ijasia as synonymous with Panops, Lam. (Ann. Mus. d'Hist. Nat. iii, p. 263, 1804). Nearly all the species have been described under Lasia, and, as Verrall accepts it without comment, I follow him. It is a moot point if Lasia should belong to the PANOPIN*; or OYETINJK, M2 164 CYRTIDjE. bluntly truncate tip; 3rd elongate lance-shaped, bare, shining, produced into a long style, which is longer than the entire antenna. Tlioracc and abdomen densely pubescent. Leys of moderate length, simple. Wings with auxiliary vein ending about middle of eosta ; 1st longitudinal ending towards wing-tip, nearly straight; 2nd starting soon after humeral cross- vein, nearly parallel with 1st, both slightly upturned at tips; 3rd beginning immediately beyond base of 2nd, descending in a straight ine diagonally across the wing, forking abruptly beyond its middle, the two branches curving upwards, practically parallel, ending above wing-tip; 2nd stibuiarginal cell truncate at base; anterior cross-vein just beyond origin of 3rd vein, very near base of discal cell, short ; upper branch of 4th longitudinal vein forked at tip of discal cell, at which point a short transverse vein connects with the forking of the 3rd vein; lower branch of 4th vein simple, suddenly recurrent towards tip, ending jointly with upper branch of 5th vein at about middle of hind border of wing ; di^cal cross-vein long, closing discal cell ; 5th vein forked at half its length ; upper branch meeting 4th vein at middle of discal cell ; lower branch closing anal cell well before margin ; posterior cross-vein absent, axillary vein foreshortened. Two submarginal cells ; five posterior cells, 1st divided by a transverse vein,* 4th closed. Squama) very large. llniige. Europe, India, Australia, North and South America. Life-Tit 'story apparently unknown. The present description is built up mainly on L. aurata, as the genus does not appear to have been diagnosed since Wiedemann founded it. Some of the characters herein given may require modification, as no other species is available for comparison. 125. Lasia aurata, sp. nov. Send with vertical triangle black, roughened, elevated, with long chrome-yellow, rather drooping, bristly hairs; eyes black, facets very small, of uniform size, with no trace of any transverse channels ncross the discs; frontal triangle elevated, black, shining, bare. Antennal 1st and 2nd joints bright yellow, short; 2nd * In his notes on the genus Lasia (Brit. Flies, v, p. 450) Verrall distinctly states that the extra cell "is a second portion of the upper basal cell and not a basal part of the 1st posterior cell," and he compares the venation with that cf the NEMESTRINID./E. but I venture to think that the anterior cross-vein (also recognised by Verrall as such) cannot be pluced in the biisal cell, but must, when present, invariably divide the 1st basal from the 1st posterior cell. It seems to me that the short, cross-vein connecting the 3rd and 4th veins in Lasia and one or two other genera in this family (Eulonchus, P(ernpe.nts, etc.), represents the point at which in the NEMESTRTNID.B the 3rd and 4th veins anastomose, which in that family occurs in contact with the discal cell and not distinctly beyond it as in CYKTID*. Even if in NEMESTRINID/E this usually punctiform contact is replaced by a short cross-vein, it should be regarded as identical with the same extra cross-vein in CYETID^. and not as the anterior cross-vein, which would, therefore, be wholly absent in NKMESTKIKID*. LA.SIA. — PTEIIODONTIA. 165 subcylindrical, narrower at base, tip almost rounded; 3rd shining chestnut-brown, base yellowish, lance-shaped, the tip drawn out into a long concolorous style, which is about as long as the whole antenna; 2nd joint with yellow hairs. Face, except immediately below antennae, deeply sunken between the eyes, shining bla«-k, bare, narrower on upper part; occiput grey, covered along the margin apparently with long bristly bright yellow scale-like pubescence.* Thorax moderately shining black on disc, with apparently a slight aeneous tinge, the dark colour extending forward in a broad b'and to anterior margin ; rest of dorsum bright yellow, including shoulders, humeri, and mesopleurae ; ground-colour of scutellum brownish yellow, that of remainder of the pleurae grey or yellowish grey ; whole thoracic dorsum, scutellum, and pleurae covered with dense long bright yellow bristly scale-like pubescence, which becomes a little paler over- shoulders and lower part of sides of thorax, and more orange over scutellum and on hinder part of thoracic dorsum. Abdomen yell.nvish brown, lighter on 1st segment and deeper on 3rd and 4th; a'l segments with a well-defined lemon-yellow hind border of moderate width, broadest and least well-defined on 1st, and 5th segments, on which latter it occupies more than half the surface. "Whole dorsal surface covered with moderately short light brown pubescence, and towards tip some microscopic pale yellow depressed hairs. Venter mainly yellowish, with a blackish median band on hinder part and some transverse black marks on 3rd and 4th and following segments ; genitalia inconspicuous, hidden. Legs * holly lemon-yellow with short soft concolorous pubescence. Wings practically clear to base, distinctly ribbed; veins brown ; thoracic hquuuae pain yellow, with long bright yellow fringe. Described from a single specimen in the British Museum, labelled simply "Ind." Genus PTERODONTIA, Gray. Pterodont.ia, Gray in Griffith's Anira. Kingd. xv, p. 779 (1832). Plerethntin, Macquart, Hist. Nat. Dipt, ii, p. 514 (1835). GBNOTYPE, Pterodmtia ftnvipcs, Gray ; by original designation. Body of the normal Cyrtid type, pubescent. Head extremely small, nearly wholly occupied by the eyes, which are very large, contiguous in both sexes, densely pubescent; three ocelli; mouth- opening more or less concealed; proboscis short. Antennae situated at bottom of h -ad, 3-jointed; 1st cylindrical, 2nd short, 3rd conical, with (according to Macquart) a long bare style, but in P. orsurn of abdomen without white scale- spots 10. 9. Larger species, 14 mm. ; aatennal style [p. 200. normal maculiventris, sp. n., Smaller species, 8 mm. ; antennal style as long as 3rd joint stylata, sp. u., p. 201. 10. Clear part of wing with several isolated dark spots insulata, Walk., p. 203. Clear part of wing without any isolated dark spots puerula, sp. n., p. 205. 11. Scutellum and antennae black; all the abdominal segments with a band of yel- [p. 206. lowish white pubescence benyalensis, Macq., Scutellum and antennae reddish yellow or brown ; the 2nd abdominal segment with basal band of whitish pubescence* .... brahma, Sch., p. 206. 12. Length 20 mm niveiventris, Brun., Length 7-10 mm 13. [p. 207. 13. Antennae reddish brown ; pubescence on anterior margin of thorax whitish ; scu- tellum all black; wing wholly clear; venter with small snow-white scales at [p. 209. bases of segments , vitripennis, Brun., Antennae black ; thorax with bright yellow thick scale-like pubescence; scutellum * After Schiuer; E. bengalensis and brahma may possibly be synonymous. 192 BOJIBYLIIDJE. reddish brown ; wing clear, costal and subcostal cells pale yellowish grey; venter with soft snow-white hairs in middle vit>'ea> BiS-» P- 21°- Antenna} black, ferruginous at base; "thorax with tawny hairs"; scutellum and thorax ferruginous ; dorsum of abdo- men with fringe of pale yellow hairs on fore border of each segment, and " more completely clothed on the underside " ; wings a little greyish, slightly tawny at [p. 211. base and on fore border basifascia, Walk., 143. Exoprosopa flavipennis, Bnm. Exoprosopaflampennis, Brunetti, Rec. Ind. Mus. ii, p. 465 (1909). 2 . Head with frons and ocelli as in flammea ; frons orange, with close short golden-orange hairs ; mouth-border yellow : proboscis brown, shorter than the head; eyes reddish brown, bare, with small, uniform facets ; back of head reddish orange, bare, considerably prominent, with a narrow fringe of very short bright yellow hairs on the margin of the cavity behind. Antennae orange; first two joints sub-cylindrical, wider at tip, with yellow hairs ; 2nd shorter than 1st ; 3rd joint twice as long as first two together, bare, the upper side quite straight, the underside rapidly narrowing from base to tip, a very distinct cylindrical style at tip. Thorax ferruginous orange, with black dorsum and blackish- grey underside ; a fringe of long yellow hair-like scales on anterior margin ; a bunch of fiery orange-red bristly scale-like hairs on shoulders, and shorter similar ones on the humeral calli ; the dorsum clothed with moderately close, short orange hairs ; several long fiery orange-red bristles, directed backwards on the posterior calli ; underside nearly bare, a few blackish hairs here and there. Scutellum orange-red, covered with short, similarly coloured pubescence ; posterior margin with a horizontal row of concolorous strong bristles. Abdomen sub-conical ; ground-colour black, apparently with short, close, black pubescence. A bunch of elongate orange-red scales at the shoulders of the 1st segment ; sides of 2nd segment dull reddish ; venter black, unmarked ; genital apparatus in one specimen, orange, subspherical, slightly protruding, and apparently twisted to the left. Leys with coxa? and femora dark brown ; anterior tibiae brownish yellow, hind pair black ; all the knees pale ; tarsi black ; fore legs practically bare, posterior ones minutely pubescent and with distinct black bristles, which are stronger on the hind pair; posterior tarsi closely pubescent, with black bristles .on underside. Wings with first posterior cell closed some distance before the border ; rather more than the proximal half bright orange-yellow, apical part and a narrow border along the posterior margin almost to the base, quite clear; an intermediate dark brown, ill-defined cross-band, commencing at the upper edge of the marginal cell opposite tip EXOPEOSOPA. 193 of auxiliary rein, the width of the baud being about one-third of the length of the 1st submargiual cell, across the middle of which it passes ; continuing across the middle of the closed portion of the 1st posterior cell, the distal half of the discal cell, and the bases of the 2nd and 3rd posterior cells, after which it is narrowed to a streak and turning, extends towards the base of the wing, separating the yellow part from the clear margin. Alulae with fringe of dirty grey elongate scales ; alar squamae reddish orange, with a short dense fringe of concolorous elongate scales. Length, 14-18 mm. Described from two specimens from Pusa, Bengal. One (type) in the Pusa collection, taken 19. iv. 1907; the other in the Indian Museum collection, taken 25. v. 1906, now partly greasy. E. flammea, Brun., and flavipennis, Brun., are distinguished from all the other Eastern Exoprosopa known to me by the 1st posterior cell being closed at some distance before the border, the 4th longitudinal vein meeting the 3rd before the origin of the anterior branch of the latter (\i\flammea\ or just below it (in flavipennis). They therefore belong to the group for which llondani established the genus Argyrospyla (emended by Verrall to Argyrospila), but which the late Baron Osten-Sacken says (Biol. Cent.- Am., Dipt, i, p. 78) cannot be sustained, this character in various species showing all stages between a closed and open cell, sometimes even in the same species. 144. Exoprosopa flammea, Brun. Exoprosopa Jiammea, Brunetti, Rec. Ind. Mus. ii, p. 466 (1909). $ . Head with entire frons and face orange-yellow, covered with short golden-yellow hairs ; lemon-yellow round the mouth, •\yjth short bright yellow hairs; frons at level of antenna} one- third the width of the head, narrowing towards vertex: ocelli small, close together in front of the vertex; antennae missing, except 1st joint which is reddish ; proboscis brown, shorter than length of head ; eyes dark reddish brown, facets very small, uniform ; occiput brick-red, rather prominent, with sparse short golden-yellow hairs. Thorax cinereous ; humeral and posterior calli orange-tawny, the latter bearing five or six concolorous spines pointing backwards; the anterior border and shoulders are covered with thick long fiery reddish-yellow bristle-like scales, which are also abundant below the shoulders and behind the wings ; the dorsum (slightly denuded) is evidently lightly clothed with short orange-yellow hairs ; underside of thorax cinereous, with a moderate amount of orange-yellow hair. Scutellutn red- dish brown, the posterior margin bearing a row of concolorous strong bristles directed backwards ; dorsum with sparse yellowish hairs. Abdomen sub-conical ; ground-colour chiefly reddish brown ; 2nd segment with a narrow anterior and rather wider posterior baud connected by a thin dorsal stripe ; a rather wide irregular, o 194 BOMBYLIID^. not well-defined black transverse band on 3rd segment, which is- repeated less distinctly on the following t\vo or three segments. The extreme posterior border of all the segments is reddish brown, and the whole dorsum is covered lightly with short, bright orange hairs, which become brightest, longest, and fiery red at the abdominal tip ; a bunch of fiery-orange elongate scales at sides of 1st segment. Venter cinereous, covered with short orange hairs; posterior borders of all the segments orange-yellow. Legs with coxa3, femora, and most of the tibiae reddish orange ; the tibiae towards the tips (especially the hind pair) and all the tarsi black ; the middle femora have a few black short spines below, the hind pair a row of stronger ones ; the posterior tibiae are beset with short black bristles (longer on the hind pair) and have a circlet of strong black spines at the tip, and the whole legs, especially the tibiae and tarsi, are minutely but densely spiuose. Wings clear ; first posterior cell closed at some distance before the border, the 4th longitudinal vein joining the 3rd half- way between fork of latter^ and the wing-border. Two broad dark brown bands ; base of wing bright orange-yellow, the colour extending across the wing from the costa to (and including) the alula, and reaching distally to just within the two basal cells ; the costal cell orange-yellowish, also a spot on and over the discal cross-vein, and another small spot in the centre of the upper basal cell. The first brown band begins in the upper basal cell, which it fills, extending posteriorly, filling the 2nd basal cell and basal fourth of discal cell, thence narrowing to the hind border of the wing, leaving about the distal fourth of both the anal and axillary cells clear ; the second band begins approximately on the costa, blending with the orange colour of the costal cell* fills three-fourths of the 1st submarginal and 1st posterior cells> thence narrowing somewhat, it fills nearly the distal half of the discal cell and terminates distinctly deal of the posterior margin of wing, entering the 2nd and 3rd posterior cells ; a small round quite clear spot is in the extreme upper angle of the lower basal cell. A few very short stiff black bristles at the base of the costa, and some short close yellowish-orange hairs on the margin of the alulae and the orange tegulae ; halteres yellow. Length, 18 inm. Described from a single 5 (now headless) in the Indian Museum collection, taken at Pusa, Bengal, 17. iv. 1907 ; other specimens are from Pusa, l.v. 1911, at light (Hoivlett) ; Pusa, 3.iv. 3914; Trincomali, Ceylon, 25. vi. 1891 (Col. Yerbun/). This species closely resembles E. Zar, K, in the shape of the wing-markings. 145. Exoprosopa lar, F. (PL III, fig. 3.) Bibio lar, Fabricius, Sp. Ins. ii, p. 414 (1781). Anthrax lar, Wiedenmnn, Auss. Zweifl. i, p. 268 (1828). Anthrax collaris, Wiedemann, Auss. Zweifl. i, p. 271 (1828) Walker, List Dipt. Brit. Mus. ii, p. 247, 2 (1849). EXOPSOSOPA. 195 Litorhynchm collaris, Macquart, Dipt. Exot. ii, 1, p. 80 (1840). Anthrax ruyicollis, Saunders, Tr. Eiit. Soc. Lond iii n 59 iil v tig. 5 (1841). Exoprosopa binotata, Macquart, Dipt. Exot. Supp. 5, p. 89 (1855) Exoprosvpa collaris, Brunetti, Rec. Ind. Mus. ii, p. 444 (1909). c? . Head with f rons distinctly narrower at vertex than above antennae, where it equals one-third the width of the head; dark nut-brown, with a slight pink or orange tint, covered with short black pubescence, and a few minute elongate pale brownish -yellow scales or scale-like hairs on lower part; face of similar colour to frons, with black pubescence and similar scales ; proboscis dark, withdrawn ; anteunal 1st and 2nd joints ferruginous, 3rd black • occiput yellowish brown, with minute black bristles, which con- tinue over the vertex nearly to the ocelli; and with whitish scales forming a band of irregular width contiguous to the eve- margins. Thorax black, with sparse black pubescence, covered with very short depressed yellowish (almost pinkish) brown scale-like hairs ; anterior margin with a thick fringe of very long narrow brownish-yellow (varying to bright ferruginous) hair-like scales; a bunch of similar scales below the humeri, on prothorax, and below posterior corners of dorsum : coarse hairs of similar colour cover the mesopleurae, with some black hairs intermixed below wing base; sides of thorax dull orange-brown; humeral calli reddish brown, with^numerous black bristles ; posterior calli reddish brown, covered with pubescence like that of the thorax, with several long strong spines projected hindwards. Scutellutn uniformly dark reddish brown, with similar pubescence to the thoracic dorsum ; hind margin with a row of spines. Abdomen black, the sides often more or less reddish ; posterior margin of 1st segment narrowly, 2nd and 3rd segments from base to tip (covering one-third of the surface on each side) dull but distinct reddish brown ; the whole dorsum with short depressed blac-k pubescence ; a fan-like bunch of rather dirty white very elongate scales at sides of 1st segment ; a patch of long yellowish-white scales towards each side of 3rd segment, contiguous to the margin, and 6th segment (and possibly 7th also) covered with similar scales ; the sides of the abdomen from 2nd segment to tip with coarse black bristly hair. Venter moderately dark brown, barely tinged with vellowish, but with paler hind margins to the segments and a few soft yellowish hairs ; genitalia rather largo, ferruginous. Legs reddish brown, metatarsi more or less darker, rest of tarsi black ; fore legs, apart from the usual minute pubescence, with rows of very short bristles on tibiae ; middle femora with at least two rather strong bristles of unequal length on inner side towards tip ; hind femora with a row of stronger bristles below, posterior tibiffi with the usual rows of small bristles; tarsi with short stiff black pubescence below. Wings best described as pale grey with the basal third dark brown, filling the anal and axillary cells except their tips, the colour continued along the costa nearly to the tip of the 1st longitudinal c>2 196 BOMBYLIID.E. vein and extending bindwards to the upper side of the discal cell, thence spreading out and embracing the apical third of that cell, the base of: the 2nd posterior, and just entering the 3rd posterior, the colour sharply delimited distally by a line drawn from its costal limit to where it ends posteriorly in the 3rd posterior cell ; .a small clear spot at upper corner of 2nd basal cell, with a small yellowish spot immediately above it, and a slight pale yellowish tinge about the middle of the 1st posterior cell ; the brown colour is only very slightly variable in its extent. Alulze and alar squamae with a fringe of dirty brown scales ; halteres black. Length, 14-16 mm. Bedescribed mainly from a 3 in good condition in the Indian Museum from Bara Banki, United Provinces, 14. x. 1910, and others iu less good condition from Kangra Vallev or Sikkim (Dudgeon] ; Allahabad, i. 1910 (Chatterjee) ; Bandhara^ Cent. Prov., India, l.xii.1912 (Imms); Sahibganj, Bengal; Bellary, South India, 10. viii.-ll. ix. 1913 ; Surat, Bombay, 11. xi. 1911 (Fletcher); Bangalore ; Trivandrum ; Mahagany, Ceylon, 15. ii. 1891 ; Nila- velli, Ueylon, 30. v. 1891 (Col. Yerbury). Types in Fabricius's, Westermaun's and Wiedemann's collections. It must be remembered that the foregoing description is chiefly from an individual specimen. Wiedemaun noted the close affinity between collaris and lar, claiming for the former the more fox-red collar, the absence of white tomentum at the tip of the abdomen, the absence of white pubescence towards the sides at the base of the abdomen, the wholly black ground-colour of the body, the black-haired abdomen, and the shortening of the second trans- verse black band (so to speak) on the wing, so that it does not reach the hind border. Most of these characters are more or less variable, especially the distance to which the more distal of the two extensions of the costal dark border reaches, and the reddish-brown colour of the sides of the abdomen. Saunders's figure of his rugicollis shows the limits of variation in three characters, the ferruginous collar, the shortened wing-band, and the all-black abdomen. Wiede- mann's characters of the absence of white vestiture at the base and tip of the abdomen are negative ones, and it may reasonably be supposed that his specimen was somewhat worn.* Two specimens in the British Museum from Mahagany, Ceylon {Col. Yerbury), appear to represent an undescribed species allied to E. lar, but are not in sufficiently good condition to describe properly. One of the specimens bears a label : " ? E. binotata, Macq." This hitter I concluded t to be synonymous with collaris, Wied.,J beinu; further convinced by a specimen of the latter in the Indian * As the nrst few examples of this species seen by me answered fully to Wiedemann's collaris, a certain number of specimens were identified by me as such and returned to correspondents. These should bear the name of lar. t Eec. Ind. Mus. ii, p. 444. \ E. collaris, Wied., is now regarded by me as synonymous with lar, F. EXOPEOSOPA. 197 Museum, labelled " E. bimaculata, Macq." in Bigot's handwriting. Bigot evidently wrote bimaculata in mistake for binotata, but the two specimens described above are certainly distinct from lar. In the event of binotata, Macq., being a good species, they may be representatives of it. 146. Exoprosopa pennipes, Wied. AntJtra.r pennipes. Wiedemann, Dipt. Exot. i, p. 129 (1821) : id.. Auss. Zweifl. i, p. 272 (1828). Exoprosiipa pennipes, Macquart, Dipt. Exot. ii, 1, p. 49 (1840); Bruuetti, Kec. Ind. Mus. ii. p. 443 (1909). Hyperalonia pennipes, Rondairi, Ann. Mus. den. vii, p. 452 (1875). Head with frons more than twice as wide above antennae (where it equals one-third the width of the head) as at vert ex, blackish, with black hairs on upper part, and below with black hairs mixed with a number of short silvery scales of rather greater width ; face black, with black bristly hairs and small silver scales ; proboscis yellowish brown ; antennae black, possibly sometimes reddish brown at base ; occiput black, with small silvery scales at least near the eye- margins, probably a considerable part of the surface thus covered in perfect specimens. Thorax black ; dorsum with a dark indigo- blue tinge, caused bv the whole surface being covered in perfect specimens with brilliant small subquadrate blue scales, longi- tudinally striated, black pubescent ; anterior margin with long narrow black scales ; bunches of similar scales or bristly hairs below shoulders, on mesopleurae and metapleurae, and below hind corners of dorsum ; apparently some black bristly or coarse hairs around the wing-base. Scutellum black, covered with scales like those of the thorax, pubescent, dull dark brown towards hind margin, which bears a row of spines. Abdomen black, covered with blue-green or green scales, with black pubescence; some long, thin, very dark brown scales in a bunch at sides of 1st seg- ment ; venter dark blackish indigo, with a little black pubescence and no trace of scales. Legs black; fore tibiae and metatarsi yellowish brown ; middle tibiae very dark brown ; hind femora towards tips and hind tibiae from base to tip with rows of dense long dark brown narrow scales. (No distinct bristles are visible on the legs, but this may be due to the bad preservation of the specimens.) Wings deep brown, violet-tinged, fore border about the middle a little yellowish, also just a little paler about the cross-veins ; tip of wing quite clear, limited by tip of 2nd longi- tudinal vein, and hindwards on the wing-border by the proximal side of the 2nd posterior cell.* Alulae and alar squamae fringed with long narrow dark brown scales ; halteres blackish brown. Length, 11-18 mm. * In the second specimen (from Karachi) the wing is pale along the hind margin of the 3rd posterior cell. 198 BOMBYLIID-S. Eedescribed mainly from a specimen (? ), and two <5 tf in the British Museum (Khasi Hills and Cherrapunji, Assam). 148. Exoprosopa lateralis, Brun. (PI. Ill, fig. 7.) Exoprosopa lateralis, Brunetti, Rec. Ind. Mus. ii, p. 467, pi. xii, tig. 17 (1909). $ . Head with frons and face dark olive-brown, becoming more or less orange towards the lower part of the latter, both covered , with black pubescence and (except the upper part of the frons) with small pinkish-yellow scales ; proboscis dark brown, palpi EXOPBOSOPA. 199 yellow; antennae brown, 1st and 2nd joints bristly; occiput dark grey, with yellowish scales around eye-margins. Thorax black, with long bright ferruginous scales or bristly hairs on anterior margin, below shoulders, and on posterior calli ; dorsum (denuded) evi- dently more or less covered with very short yellow scale-like hairs closely applied, which towards the "sides and hind margin are thinner and longer ; lower part of thorax bare, with ferruginous marks.* Abdomen elliptical ; black, the sides more or less broadly brick-red ; this coloration is very variable in quantity, as in one specimen it only moderately narrowly borders the abdomen, and in another one it extends so far inwards as to reduce the black part almost to a dorsal row of spots. Bunches of ferruginous elongate scales at each side of 1st and 2nd segments, and a small tuft of stiff black hairs at the sides of each segment ; dorsum thinly covered with short tawny yellow scales and black hairs ; last segment red- dish, black at the middle of the base ; Tenter brownish brick-red, with sparse yellow hair-like scales. Leys (mainly missing) tawny brown : fore coxae with rather long yellow hairs ; hind femora and tibiae with short black spines. IVinys dark brown, tip and posterior border nearly to the base irregularly and indistinctly clear, the clear part extending into the discal cell ; traces of a small round clear spot in upper corner of 2nd basal cell : alulae and alar squama? with dirty brown elongate scales. Length, 14-18 mm. Described from three £ ? in the Indian Museum from Calcutta ; and Talewaddi, N. Kauara Distr., 3-10. x. 1916 (Kemp). 149. Exoprosopa annandalei, Brun. (PI. Ill, tig. 8.) Kvoprosopa annandalei, Brunetti, Rec. Ind. Mus. ii, p. 469, pi. xii, tig. 20 (1909). $ . Head with vertex, frons, and face blackish, with short sparse yellowish hairs, and some stiff bristly black hairs on frons, which is considerably narrowed on the vertex, where the ocellar triangle is very small ; mouth-opening yellowish, proboscis dark brown ; palpi black, short, filamentous, with a single row of hairs ; antennae yellowish, first joint hairy, third rather elongated, with moderately long style ; back of head dark grey ; eyes dark brown, with some yellowish hairs, which are whitish behind the eyes. Thorax blackish ; tawny-yellow hairs rather thickly placed on fore border, and on the sides, where there is a pale tawny spot on the pleurae ; dorsum nearly bare (? denuded). Scutellum light brown, posterior border with a row of black spiny bristles and short sparse yellowish hairs ; metanotum bidden. Abdomen ovate, chestnut- brown (ground-colour), with a row of irregularly oval dorsal black spots at the base of each segment, and with traces of a narrow black line almost on the posterior borders of some of the segments ; a sparse band (interrupted in the middle) of short * Possibly due to discoloration. 200 whitish hairs on the anterior part, and a similar band of blackish hairs on the posterior part, of each segment ; the second segment possessing a basal row of short sparse tawny hairs and a bunch oi longer white hairs on each side at the base ; the short whitish hairs on the dorsum may possibly extend over the greater part of the surface, and appear more like scales than hairs. Venter chestnut- brown, with irregular black marks and with short white scaly hairs generally distributed over it. Legs tawny brown, fore coxae similar, posterior coxa3 blackish brown ; hind femora with a few hairs below, posterior tibise moderately covered with short bristles ; tarsi blackish brown, minutely pubescent below. Wings pale grey, with a dark brown oblique baso-costal band, which has an indenta- tion on the lower side : the brown colour extends along the costa to the tip of the first longitudinal vein, its outer edge extending posteriorly to just behind the second posterior cell, the colour thus filling slightly more than half the first longitudinal and discal cells, and extending in an irregularly straight line from the latter cell to the base of the wing, filling half the anal cell ; round brown spots, all of equal size, are placed at the tip of the second longi- tudinal vein, at the base of the fork of the third longitudinal and at the tip of the veinlets dividing the second, third, and fourth posterior cells; on the upper corner (adjoining the base of the discal cell) of the lower basal cell a small bluish opalescent spot ; at extreme base of wings and along the stronger veins a distinct tawny colour ; halteres yellowish white. Length, 9-12 mm. Described from the two original females in the Indian Museum from Moulmein, Lower Burma, 6. iii. 1908 (Annandale). 150. Exoprosopa maculiventris, sp. nov. J . Head wholly blackish grey ; frons about half as wide again at level of antennae as at vertex, with fine black hairs, intermixed with short yellow ones on lower part ; face with sparse short yellow hairs and on lower part with rather short black hairs ; antennae and mouth-parts black ; the considerably puffed-out occiput with a few short yellow hairs, and on hied border a narrow fringe of them. Tliorax and scutellum black, with mode- rately short black pubescence, which is longest on the scutellum ; anterior border narrowly with short yellow hairs, and a con- spicuous bunch of long bright yellow pubescence below each shoulder ; some yellow hairs along the sides below the wings and a large bunch below the posterior angles of the dorsum ; the posterior calli themselves having a few much shorter and paler yellow hairs on the hinder side. Abdomen black, surface of seg- ments (except 1st) mainly covered with small closely-set black scales, and bearing long fine black hairs, except at base and hind margins ; 1st segment dark blackish grey, unsealed, with short yellow hairs on dorsum and a bunch of long bright yellow hairs EXOPEOSOPA. 201 towards and over each side ; on the 2nd segment towards each anterior corner is a circular spot of yellowish- white scales ; this pair of spots is duplicated on the 3rd and 4th segments, the scales forming them being less yellow on the 3rd segment and nearly white on the 4th ; oih segment bearing no white spots, but 6th and 7th each with a similar pair of white scale-spots ; sides of 2nd segment with long yellow hairs anteriorly (as in 1st segment) and black hairs posteriorly ; sides of remaining segments with thick black pubescence. Venter black, with small closely impressed black scales and thin black pubescence ; sexual organs too con- cealed for observation. Leg* wholly black, with ordinary pubes- cence ; tibia? with obvious closely impressed small black scales and two distinct rows of bristles on hind pair, with numerous others more or less arranged in longitudinal rows ; hind femora with a little soft black hair and a row of distinct, fairly long bristles on underside. Wings with about anterior half deep blackish brown, the colour filling the marginal cell except the tip, thence running parallel to the hind margin of the wing, filling half the 1st posterior cell ; thence retreating, filling barely half the discal cell ; thence extending to the hind angle of the wing, filling half the anal and axillary cells. An oval spot at tip of 2nd vein, joining the costa and also the extremity of the costal darkening ; a spot at fork of 3rd vein, another over the cross-vein joining the 2nd vein, and another over the posterior cross-vein ; all the spots concolorous and contiguous to the main expanse of colour. Alar squamae black, with short fringe of bright yellow hair; halteres black. Length, 14 mm. ; expanse, 34 mm. Described from a single perfect specimen in the Indian Museum from Kousauie, Garb wal State, 6075 ft.,22. vii.1914 (Col. Tyiler). The wing-markings are very nearly similar to those of E. annan- dalei, figured in Rec. Ind. Mus. ii, pi. xii, fig. 20, except that in this latter species the colour is of a much lighter brown. 151. Exoprosopa stylata, sp. nov. tS • Head with f rons at vertex about two-thirds as wide as at level of antenna?, where it is less than one-third the width of the head ; covered with dull brownish tomentnn or dust with a tinge of yellow, sparsely beset with stiff black hairs ; lower part of f rons with depressed black scales, which in certain lights exhibit a silvery lustre; face distinctly produced into a blunt cone, covered thickly with similar black scales (shining silvery) and long bristly hairs as on frons ; upper edge of mouth-opening furnished with very long, thin, dark brown scales ; mouth-opening and proboscis brown, latter extending forward as far as tip of antennas. Antenna? black, 3rd joint elongate conical, as long as 1st and 2nd together, with a style as long as the joint itself, bearing a pale elongate thick bristle at, tip. Thorax black, faintly shining ; at least hinder part with small impressed black scales (which possibly cover the entire 202 BOMBTLIID^I. surface) : dorsum also with stiff black pubescence of moderate length ; anterior margin with a thick fringe of very elongate bright yellow scales projecting forwards, forming a sort of dense collar ; shoulders entirely covered with a dense bunch of very elongate black scales, which extend (diminishing in strength) over the mesopleura, and continue as short stiff hairs over part of the sternopleura ; pteropleura bare, shining, but the metapleura with a thick bunch of black scales on its posterior part ; sternopleura with a slight greyish tinge on lower part. Scutellum black, with minute adpressed black scales covering its entire surface, and a row of curved black bristles on hind margin. Abdomen black, faintly shining, entirely covered with minute adpressed black scales, which, if viewed at a low angle from in front, show a silvery sheen ; and with a row of black bristles on hind margins of at least the last two or three segments, the hind margins of which bear a row of rather short but obvious dark brown scales ; the outer two- tliirds of 1st segment with a dense covering of very elongate, bright chrome-yellow scales, the actual sides with elongate black scales ; sides of other segments also with elongate very narrow dark bro\vu scales, and a few other quite broad dark brown ones, intermixed posteriorly with black bristly hairs ; six spots coin- posed of scales, which, viewed from in front, appear silvery, and from behind dull milk-white, are placed as follows : one towards each side of the dorsum on 3rd segment, one at base in centre of 4th, one towards each side of 6th, and an elongate one at base of 7th extending over the greater part of the segment. Venter covered uniformly with minute brownish-black scales that appear silvery when viewed at a low angle either from in front or behind ; a row of bristles on hind margin of each segment. Genitalia rather large, apparently consisting of a small sub-globular reddish- piece and a greyish cone-shaped piece of larger size, pubescent. Legs black, coxse with bristly hairs ; femora closely covered with black scales that appear silvery in certain lights ; tibiae apparently reddish brown, but in certain lights the scales shine silvery; tarsi brown, Wings pale grey, iridescent ; a brown baso-costal band, limited distally by tip of 1st longitudinal vein, the hinder margin of the band nearly a straight line thence, through the anterior cross-vein and extreme base of 4th posterior cell, and thence to base of wing, encroaching narrowly on anal cell; discal cell nearly clear, a darker brown spot jointly over tip of praef urea and anterior cross-vein ; another over base 'of discal cell and forking of 5th vein, a small one at base of 3rd posterior cell. Length, 8 mm. Described from a unique specimen from Hadagalla, Ceylon (T. Bainbrigge FletcJier). Type in the British Museum, presented by Mr. Fletcher. The conspicuous silvery-white spots on the abdomen placed like the " 5 " of a playing card, in addition to the exceptionally long antennal style, render this species easily recognisable. EXOPEOSOPA. 203 152. Exoprosopa insulata, Walk. (PI. Ill, fig. 4.) Anthrax (s. g. Litorhi/nchus) insulata, Walker, Ins. Saund., Dipt. pt. iii, p. 11-2 (1852)'. , Brunetti, Rec. Ind. Mas. ii, p. 440 (1909). Head with frons about half as wide again above antennae, where it forms one-third the width of the head, as at vertex ; dull olive- brown (in well-preserved specimens, otherwise blackish), with black pubescence and minute elongate pinkish-yellow scales or scale-like hairs ; face concolorous, but yellowish about the mouth-opening, with similar hairs and small scales ; proboscis black, projecting some distance beyond tip of antennae ; antennas black ; occiput dark grey, with very small yellow scales in the neighbourhood of the eye-margins, hinder edge with a fringe of short yellow hairs. Thorax dark olive-grey or olive-brown (in perfect specimens), with short black pubescence and very minute elongate yellow scales, which perhaps are sparser about the centre of the dorsum ; anterior margin with long brownish-yellow scales, which are also fairly abundant from below the shoulders to below the wing-base, and, again, below the posterior corners of the dorsum. Lower part of prothorax, the mesojileurge, pteropleurae, and sternopleurse with long black bristly hairs; scutellum concolorous with thoracic dorsum, with small yellow scales and a few black hairs, arid a row of rather sinuous thin black hairs on posterior margin. Abdomen rather dull black, slightly shining: 1st segment with a bunch towards each side of comparatively short, very erect, elongate, brownish-yellow scales, and a narrow band of such erect scales extends across the segment on the anterior half ; 2nd segment with broad band on anterior half of small elongate closely-applied yellow scales, the posterior half being covered with black scales of similar nature ; 4th and following segments with similar black scales on anterior part and yellow scales on hinder part ; 4th seg- ment with a pTitch of silvery-white scales towards each side, and 7th segment mainly covered with such scales ; sides of abdomen with long brown scales and long black hairs ; venter black, with a little black pubescence and covered with minute yellow scales. Legs black ; tibiae more or less dark brown ; femora with small closely-applied pale scales, posterior femora and tibiae with the usual bristles. \Vin(/s pale grey, with a broad oblique dark brown or blackish-brown band extending on the costa to tip of 1st longi- tudinal vein, and distinctly beyond bifurcation of 2nd and 3rd veins, and anterior cross-vein, embracing basal third of discal cell and crossing anal and axillary cells about their middles ; several blackish spots are present, variable in number and size, four on the clear part of the wing being always present, placed respec- tively (l)near tip of 2nd vein, (2) at fork of 3rd vein, (3) on 2nd "vein at the junction of the veinlet joining this vein to the •3rd, and (4) over outer side of discal cell, generally elongate and sometimes reduced to two separate spots ; on the brown part of the wing, the spots being much darker in colour, there are generally one over the anterior cross-vein, one at the fork of the 204 BOMBTLIID^. 4th vein, and at the base of both the 3rd and 4th posterior cells ; adventitious spots freely occur about the tips of the 2nd and 3rd longitudinal veins, and occasionally in other parts, and the 3rd posterior cell is often more or less bisected longitudinally by an additional incomplete veinlet. The 1st posterior cell is not infre- quently closed just before the border. Htilteres black. Length, 7-10 mm. Redescribed from several specimens, mostly in inferior condition, in the Indian Museum from Soondrijal, Chitlong, Nagorkote, Pharpiug, and Khumdhik, iii. 1909 — all in Nepal ; Dehra Dun, xi. 1907 [Lt.-Col. Wyville Thomson'] ; Nairn Tal District, 4. iv. 1910 ; Mussoorie, ix. 1906 ; Simla, x. 1911 ; Allahabad, v. 1911 and xii. 1910 (Chatterjee); Bandhara, Central Provinces, l.xii.1912 (Imms}; Mahagany, Ceylon, 17. i. 1912 (Col. Yerbury); Castle Eock, K". Kanara District, 11-26. x. 1916 (Kemp); Madhupur, Bengal, 16. x. 1909 (Paiva); Pipera, Gondo District, United Provinces, 9. iii. 1909; Ootacamund, S. India, 24-31. xii. 1913 (Fletcher) ; lower ranges, N. Khasi Hills, 1878 (Chennell). There seems no reasonable doubt of this being Walker's insulata, described originally from the " East Indies." It is common through Nepal and extends to the Indian plains. Walker says the sides of the abdomen are fringed alternately with black and yellow hairs, but this does not appear to be the case, though possibly in perfect specimens the white scales on the 4th and 7th segments may overhang the margin sufficiently to produce this effect. His description also of the wing-spots does not quite agree with mine, but these markings are admittedly variable. A specimen in the Indian Museum from Dehra Dun labelled " E. S-notdta, Big., sp. nov/' is certainly identical, and is apparently merely a MS. name ; a second specimen with precisely similar markings is from Calcutta. A further specimen from " Thingaunyinaung to Myawadi," Lower Burma, 900 ft,, 24-26.xi. 1911 (Gravely), has tha spot* in the clear part of the wing all so enlarged and blurred that hardly any grey surface remains. Some notes of mine on the variation of the wing-markings appeared recently (Eec. Ind. Mus. ii, p. 446). In comparing the descriptions of insulata, Walk., bengalensis, Macq., and brahma, Sch., it will be seen that they are somewhat similar. The latter I have not seen, but a number of specimens of both insulata and bengalensis in the Indian Museum (both iden- tified by me, but, I think, without possibility of doubt) prove that at least these two are quite good and distinct species. E. insulata is known by the black or deep blackish-brown colour of the baso- costal band, which, though not actually clearly defined, stands put if a number of specimens be glanced at collectively ; whereas in bengalensis the colour is brown, without any trace of' black, and there is no apparent line of demarcation between the anterior half and the posterior half, the latter being only a little lighter. EXOPROSOPA. 205 The spots in insulate stand out distinctly, especially those nearest the wing-border ; they are black or blackish brown, and some of them are placed elsewhere than on the cross-veins. The "spots" in bengalensis are small, moderately light brown infuscations, and occur only on the cross-veins, although the veius themselves are often lightly infuscated for considerable distances. E. brahma has distinct spots, apart from infuscations of cross-veins, and should therefore in this character approximate to insulata, but Schiner distinctly describes the anterior part of the wing as only smoke-brown. Again, in brahma the scutellum and antennae are reddish yellow or brownish, whereas in both Insulata and bengalensis these parts are black. The presumption is that all three are good species. 153. Exoprosopa puerula, sp. nov. (PI. Ill, fig. 9.) Head with frons distinctly broader at level of antennae, where it is one-third the width of the head, than at vertex ; both frons and face blackish, former more or less cinereous grey towards vertex, latter orange yellowish around the mouth ; the lower half, or rather more, of the frons and the major part of the face covered with closely-applied yellowish scales and a little fine black pubescence ; some yellow hairs about the lower part of the face ; proboscis blackish ; antennae blackish grey ; occiput blackish, with a con- siderable amount of dirty white scales, closely applied. Thorax blackish, thickly covered with very thin yellowish hair-like scales ; anterior border with a fringe of long brownish-yellow scales ; some long bristly black hairs on lower part of prothorax ; pleurae with bristly scale-like brownish-yellow hairs ; scutellum black, about the apical half reddish brown, the whole dorsum (apparently) covered with short yellowish scales like those of the thorax. Bristles of thorax normal. Abdomen blackish, dull ; hind border of segments rather narrowly brownish yellow, the colour spreading out considerably towards sides of 2nd and 3rd segments ; the whole dorsum covered with black hairs and closely-applied small brownish-yellow scales, which towards sides of 3rd segment are whitish ; a bunch of elongate pale brownish-yellow scales at sides of 2nd segment and a similar bunch of shorter small black scales at sides of 3rd segment. Venter yellowish, marked here and there with black, and mainly covered with small yellow scales. Legs black ; femora and tibiae with yellowish scales and the usual bristly hairs ; tarsi black. Wings clear, the dark oblique band running diagonally from tip of auxiliary vein, crossing the centres of the anal and axillary cells ; a loop extending from the middle of the 1st posterior cell, along the outer side of the discal cell ; the colour also encroaches well into the base of the 4th posterior cell ; a pale yellowish spot around the anterior cross-vein and base of 4th posterior cell, a semi-hyaline small spot about the base of the discal cell; halteres brown ; clubs dull yellow. Z/ength. 4|-6 mm. Described from two specimens in the Indian Museum from Madras (Capt. Cragg). 206 BOMBTLIIDJB. 154. Exoprosopa bengalensis, Macq. (PI. Ill, fig. 5.) Exoprosopa bengalensis, Macquart, Dipt. Exot. ii, p. 49, pi. xviiir fig. 4 (1840) • Brunetti, Rec. Ind. Mug. ii, p. 445 (1909). c? $ . Head with frons at vertex half as wide as at level of antennae, where it is barely one-third the width of the head ; dull olive-brown or cinereous, the amount of yellowish tinge variable ; whole frons and face with black pubescence in moderate amount, also (except towards vertex of former) covered with short narrow yellowish scales, closely applied to the surface ; mouth-border brownish yellow, with black hairs ; proboscis blackish brown, labella narrow ; palpi black, thin, with fine black hairs ; antennal 1st and 2nd joints brownish yellow, with black bristles, 3rd joint black ; occiput blackish, with yellowish scales around eye-margins. Thorax brownish grev, dorsum covered with short coarse yellowish scale-like hairs ; anterior margin with elongate orange-yellow scales, thickly placed, and bunches of similar or slightly paler scales below the shoulders, on the mesopleurse, and around and behind the wings ; black spines on humeral and posterior calli ; scutellurn blackish, hind margin more or less reddish brown, covered with short yellowish hairs and with a row of black bristles on posterior margin. Abdomen blackish (?) or reddish brown, wholly covered with very small elongate yellowish scales and black bristly hairs ; a bunch of elongate yellowish scales at sides of 1st segment ; venter blackish or reddish brown, with a few long yellow hairs ; hind margins of segments more or less pale, with some yellowish scales. Legs blackish ; femora and tibiae with rather thickly -placed, closely-applied, yellow scales, which extend over the upper side of the metatarsi, and apparently occasionally to the remaining joint also; the whole of the legs with black bristles, the tarsi with black pubescence. Winr/s yellowish grey; a slight infuscation over practically all those parts of the veins that, lie transversely; the veins themselves more or less darkened basally ; halteres yellowish, knobs a little darker; alulae and alar squamae with a dirty brown and yellowish fringe of scales respectively. Length, 10-12 mm. Described from several examples in bad condition in the Indian Museum, labelled "? India"; Hadagalla, Ceylon, ix, x. 1911 ; Trincoraali, 14. i. 1891, and Mahagany, Ceylon, 15. ii. 1891 (Col. Yerbury). The genitalia are quite hidden ; the sex of the specimens is therefore uncertain, and no difference in the width of the frons in any of them is apparent. Type in the Paris Museum. 155. Exoprosopa brahma, Scli. (PI. Ill, fig. o.) Exoprosopa bralima, Schiuer, Reise ' Novara,' Dipt. p. 199 (1868). "Brown ; venter and scutellurn reddish yellow, latter at base blackish, \\hole ground-colour of body can be seen to be pale EXOPROSOPA. 207 brown through the dense pale pubescence. Thorax in front and at sides with longer golden-yellow hairs ; in front of and around wing-base with black bristles. Abdomen at the base with thick and long golden-yellow hair; 2nd segment on fore border with a whitish- yellow cross-band. Head reddish brown, epistome paler, frons darker; pubescence short, bright golden yellow; frons black on hinder part. Antennas brown, 3rd joint very elongate, gradually tapering and produced into the style. Legs reddish yellow, knees rather darker ; tarsi brown ; femora with shining scales ; all bristles black ; pulvilli rudimentary. Wings sooty brown, darker on front margin and more reddish, with eight black spots : two at base of outer marginal (cubital) cell,. two at base of 2nd posterior cell, one each at bases of 3rd and 4th posterior cells, one on outer side of discal cell, and the last one suffusing the anterior cross-vein. Cross-vein joining upper branch of cubital vein to subcostal vein, with a recurrent appendix ; only three submarginal cells. Length 4 lines. Two specimens ; Ceylon." The above is Schiner's description ; he compares it with E. alexon, Walk., and punctulata, Macq. Type presumably in the Vienna Museum. 156. Exoprosopa niveiventris, Brim. Exoprosopa niveiventris, Brun. Rec. Ind. Mus. iii, p. 214 (1909). 2 . Head : froiis at widest (level of antennae) one-third the width of the head, narrowing at vertex to half this width ; dark brown, covered with close, light brownish-orange scales, which become lighter coloured below the antenna ; the whole frons covered with short black hairs ; ocelli small, black, close together, placed on a small tubercle ; mouth-border yellow, proboscis dark brown. Antennae black; 1st and Und joints thickly beset above and at the sides with strong black bristles ; 3rd joint rather long, absolutely bare, with a very distinct style, which itself bears a microscopic but distinct apical joint. From the base of the antennae obliquely to the edge of the eye there is on each side of the frons a narrow groove, quite destitute of scales or pubescence. Back of head broad behind the eye, with minute black pubescence, and covered towards the sides with soft yellowish-white scales, which may perhaps extend over nearly all the back of the head in some specimens; a fringe of short, bright orange-yellow hairs encircles the back part of the head, meeting the dense pubescence of the thorax. Thorax dull black, with some short black hairs towards anterior border, and in front of the scutelluni ; front part of thorax (not extending to the dorsum proper) covered densely with narrow, elongate, bright yellow scales, which also extend to the sides of the thorax, and form fan- shaped bunches below each shoulder and behind each wing;. these scales become almost thick pubescence at the sides of the dorsum, being especially thick above each wing. The true dorsum- 208 BOMBTLIID.E. is very sparsely covered with very short yellowish scales, which probably even in perfect specimens never wholly cover the surface; scales at sides of thorax more yellow than orange. Posterior calli prominent, ferruginous, covered with irregular small black bristles, with some long yellowish-white scaly pubescence on the outer side, and there are four powerful long black spines placed close together and directed horizontally backwards. Scutellum ferru- ginous brown, with an irregular double row of black spines on posterior margin, and short yellow scales round the dorsum, which is quite bare in the middle, both of scales and hairs. Abdomen black, covered with microscopic black scales ; thick, scaly, whitish pubescence at the sides of the 1st segment; at the base of the '2nd segment (which is the widest) a wide band of scaly yellowish- white pubescence ; the remaining segments also bear similar bands at their bases of more whitish scaly pubescence, this being shortest on the 5th segment ; on the posterior borders of the 1st, 6th, and 7th segments a row of rather strong black bristles, directed backwards. Genital organ distinct, black, encircled towards the posterior part and at the sides by a rather thick fringe of orange hairs ; the tip itself more greyish, and bearing two vertical rows (containing seven in each) of rather long, roseate scales, like the teeth of a comb. Venter black, nearly covered, except towards the tip, with close, nearly snow-white, scaly pubescence, the tip with black bristles. Legs black ; coxae with yellowish-white scales and distinct black bristles; femora with similar scales and short black hairs, the middle pair with two rows of short, distinct spines on underside ; the hind pair with a similar row ; fore tibiae bare, middle tibiae beset somewhat irregularly with four rows (one on each side) of conspicuous but moderately short bristles ; hind tibiae closely beset with elongate dirty white scales, lying close to the surface, and intermixed with strong, moderately short, black bristles, and with an irregular circlet of black spines at tip, most of them on the underside ; tarsi minutely but closely pubescent, with a row of minute spines below, being longest on hind pair. Wings pale grey, costal cell and the basal parts of all the veins ferruginous brown ; costal vein apparently bare, but viewed microscopically, it presents a very closely-placed row of minute black spines, which are conspicuous on the extreme base of the costa, where they are larger and are intermixed with clo?e-lying, dark greyish scales ; at the extreme base of the costa is a very powerful, thick, black, curved spine. Tegulaa bright orange, with a fringe of elongated scales, which are black on outer part of the edge and dirty white towards the base; alula of wing grey, with a fringe on posterior border of grey scales, which continue for a short distance along the posterior margin of the wing ; halteres with stem brownish, club very pale creamy orange. Length, 13-20 mm. Described from two $ 2 in the Indian Museum, taken by Dr. Annandale at the base of Paresnath Hill, West Bengal, EXOPEOSOPA. 209 16. iv. 1909 (1000 ft.) ; South Coorg, S. India, 15-26. v. 1914 (Fletcher) ; Trincomali, 15. ix. 1890 ; and Mabagany, Ceylon, 8. ii. 1891 (Col Yerbury). A conspicuous species, resembling a Ilyperalonia of my fourth group (Kec. Ind. Mus. ii, p. 443). A single a distinct yellow colour to the legs. Wings clear, costal and subcostal cells and extreme base of wing yellowish brown ; halteres pale yellow. Length, 5—7 mm. Described from a few specimens in the Indian Museum and Pusa collections from Allahabad, 26. iii. 1906 (type d ), 10. iv. 1906 (type $ ), 14. x. 1905 (Hoivlett). Type d and $ sent to British Museum. 151. Lepidanthrax transversa, sp. nov. ? $ . General characters as in L. compacta. Head : frons gradually widening from vertex to level of antennae, where it is rather narrower than in compacta ; covered with small yellowish depressed scales and erect black pubescence ; face covered with dense elongate pale yellowish scales, no black bristles; 3rd antennal joint short onion-shaped, black, with long black style ; proboscis lying along mouth-opening, but apparently long enough to project as far as in compacta if pointed forwards ; occiput black, with small white scales around eye-margins and yellowish scales in the middle. Thorax as in compacta. Abdomen with a broad basal band of small depressed yellowish scales on each segment except the 1st ; rest of dorsal surface with depressed dull black scales; posterior margins of 5th and 6th segments 234 with black bristles ; latter also with a fringe of yellowish scales, which become white at their tips ; 7th segment covered with yellowish scales and black bristles, hind border with a dense fringe of long snow-white scales ; venter black, wholly covered with small pale yellowish scales. Legs black ; femora and tibiae covered with yellowish scales, middle tibiae brownish yellow- tarsi black, joints distinct. Wings quite clear, vitreous, subcostal cell brownish yellow ; base of 3rd posterior cell more sinuous than in cornpacta ; halteres chalk-white. Length, 9 mm. One specimen (? $ ) in the British Museum from Dehra Dun, Western Himalayas, 1907 (Lt.-Col. Wyville Thomson). Genus ANTHRAX, Scop. Anthrax, Scopoli, Ent. Cam. p. 358 (1763) ; Brunetti, Rec. Ind. Mus. ii, pp. 451, 455 (1909). Villa, Lioy, Atti Istit. Veneto, (3) ix, p. 732 (1864). Hemipenthes. Loew, Bevl. Ent. Zeits. xiii, p. 28, note (1869). Dipalta, Osten-Sacken, Bull. U.S. Geol. Surv. iii, p. 236 (1877). Chrysanthrax, Osten-Sacken, Biol. Cent.-Amer., Dipt, i, p. 121 (1886). Isopenthes, Osten-Sacken, op. cit. pp. 80, 96. Pcecilanthrax, Osten-Sacken, op. cit. p. 119. Stonyx, Osten-Sacken, op. cit. pp. 80, 94. Thyridanthrax, Osten-Sacken, op. cit. p. 123. Hyalanthrax, Osten-Sacken, op. cit. p. 134 (1877). Aspiloptera, Kiinckel, Bull. Sci. France et Belg. xxxix, p. 145, note (1905). ? Paranthrax, Bigot, Bull. Soc. Ent, France, (5) vi, p. Ixvi (1876). GENOTYPE, Anthrax morio, F. ; by Rondani's designation. Head semicircular, inflated behind, but slightly inarched at the middle, as broad as or a little broader than thorax ; face very short, sometimes conically projecting or gently convex ; proboscis short, withdrawn into the large mouth-opening, labella rather broad ; palpi small, thin, cylindrical, apparently one-jointed ; three ocelli ; eyes in both sexes wide apart ; frons rather narrower in c? , an indentation at middle of hind margin in both sexes. Antennae porrect, short, wide apart at base ; 1st joint short, cylindrical; 2nd cup-shaped; 3rd varying from elongate conical to flattened onion-shaped, with an apical microscopic bristle, never with an apical pencil of hairs. Thorax quadrate, with rounded angles, broadest behind, with indistinct preesutural but distinct postalar bristles. Scutellum broad, short, bare of bristles ; metanotum concealed. Abdomen flat, oblong, longer than thorax, 7-segmented. Genitalia small, mainly concealed, placed asym- metrically ; ovipositor with a circlet of short blunt spines. Legs moderately long, hind pair lengthened and often bearing con- spicuous scaly pubescence ; all femora and tibiae with short scaly pubescence in some species ; fore tibiae sometimes quite bare, sometimes with small spicules; posterior tibiae with ASTHBAX. 235 an apical circlet of spines ; fore tarsi variable in shape and pubescence ; front claws varying in size ; pulvilli very small or absent, occasionally well developed. Wings Avhen at rest half open. Venation as in the other Antbracine genera; only two submarginal cells ; 3rd vein sometimes with a short appendix at its fork ; 2nd vein not infrequently with a recurrent veinlet at its rectangular bend; both 2nd vein and upper branch of 3rd often sinuous and parallel towards their tips. A prealar hook near base of wing, generally hidden by the pubescence. Ifange. World-wide ; a very extensive genus. Life-history. Larva amphipneustic, 13-segmented, nearly cylin- drical, a little flattened below, tapering at each end. Several European and North American species have been bred from Lepidopterous larva?, and one from the egg-cases of a locust, others being known to live in the cocoons of Hymenoptera. "In cases where the Anthrax larva lives in other Iarva3 these latter pupate before they are destroyed, and the Anthrax larva lies in the pupa of its host " (Lundbeck). The images occur in sandy or dry districts, bare open spots and pathways ; their flight is short but swift. Several subgenera of Anthrax were suggested by Osten-Sacken, founded primarily on the wing-markings : Thyridanthrax for species with brown wings with more or less hyaline spots; Anthrax (s. sir.) for those with clear wings, except for a broad baso-costal dark baud ; Hyalanthrax for those with practically wholly clear wings or at most an inf uscated costal margin ; and one or two others. It was urged that these characters were supported by others, and also by the fact that the species of each group were parasitic on a totally different group, or even order, of insects. As, however, intermediate forms are sure to occur, and the subgenera have not been adopted by subsequent authors, they are herein ignored. So far as the Indian species go, fletcheri and guttatipennis belong to a group with wholly dark wings; afra, semifuscata, and himalayanus would fall in Anthrax (s. s.) ; whilst all the other* belong to Hyalanthrax. Table of Species. 1. Anal cell closed clttusa, Brun., p. 253. Anal cell open 2. 2. Wings nearly wholly dark brown .... 3. Wings always with an appreciable clear part 4. 3. No clearer spots in any of the wing- cells fletcheri, sp. n., p. 23G. Clearer spots on basal half of wing . . guttatipennis, sp. n., p. 237. 4. A distinct oblique baso-costal wing- band 5. No such distinct band ; costa generally narrowly, dark, light brown, or yel- lowish, the colour not extending behind anterior cross-vein (nor- mallv) ; or wings practically clear . . 7. 236 BOMBYLIIDJE. •5. Hind margin of \ving-baud nearly straight C. Hind margin of wing-band with deep indentations himalayanus, Brim., p. 238. 6. Wing-band filling less than g of the wing; hind margin clear cut afra, F., p. 240. Wing-band filling fully half the wing ; hind margin indistinct semifuscata, sp. n., p. 241. 7. Legs mainly yellow 8. Legs all black 9. 8. Femora with a considerable part black ; wings practically clear albofulva, Walk., p. 251. Femora all yellowish ; basal half of wings brownish aureohirta, Brun., p. 252. 9. Abdomen uniformly densely pubescent, without obvious transverse bands of scales 10. Abdomen with transverse bands of yellowish, grey, or white scales ; pubescence sparser II. 10. Wing with deep brownish-black costa ; larger species, 14-16 mm manifesto, Walk., p. 242. Wing less extensively brown ; smaller species, 10A-11 mm dara, Walk., p. 243. 11. Pubescence on sides of abdomen wholly snow-white, except for few bunches of scales on each side near tip aperta, Walk., p. 245. Pubescence on sides of abdomen never as wholly white as in aperta, generally yellowish grey or black and white, and not arranged as in aperta 12. 12. Ground-colour of abdomen or tomen- tum (apparently) reddish brown. . . . dia, Wied., p. 250. Ground-colour of abdomen black 13. 13. Costal cell yellowish baluchiattus, sp. n., p. 250. Chottentotta vav. clanpennis, \ [Brun., p. 247. Costal cell lighter or darker brown*. .•( paniscus, Rossi, p. 248. | fuscolimbata, Brun., p. 246. ^ approximate, Brun., p. 244. Four species that appear to require confirmation as Indian are not included in this table, but descriptions are appended (pp. 254, 255). 182. Anthrax fletcheri, sp. nov. c? . Head black ; frons at level of antennae between one-third and one-fourth width of head, less than half this width at vertex ; frons and face (apparently) covered with bright chrome-yellow * These species are too closely allied to be satisfactorily differentiated in tabular form. ANTHRAX. 237 small impressed scales, with the addition of black hairs on the former : antennae all black ; apical end of proboscis brown ; occiput (apparently) with minute yellow impressed scales and very short concolorous pubescence ; a fringe of such pubescence on hind margin of occiput. Thorax black, with small bright chrome-yellow impressed scales on dorsum and with bright concolorous long scaly pubescence on anterior and side margins and on pleura, where it is a little paler below shoulders and wings. Scutellum black (denuded), apparently with small yellow scales as on thorax and a row of black bristles on hind margin. Abdomen black, surface apparently covered with minute black impressed scales, which are longest on the 2nd segment ; an upper clothing of bright yellow small impressed scales ; sides of first four segments with bunches of concolorous elongate scales ; sides of oth and most of the sides of the 6th with elongate black scales, hind part of sides of 6th with bright yellow elongate scales; 7th segment with elongate black scales on hind margin. Venter black, with minute black scales ; some fine yellow hairs at base and small yellow scales on hind margins of most of the segments. Legs black ; coxa3 with some fine yellow hairs ; femora and tibiae with traces of small yellow scales (mostly denuded) and the usual black bristles ; middle femora with some pale fine hairs on inner side. Wings wholly dark brown, the anterior part still darker ; anterior cross-vein distinctly before middle of discal cell ; anal cell narrowly open ; halteres creamy yellow. Length, 12 mm. Described from a unique $ from Mysore, 4400 ft., 25. iii.- 29. v., sent for examination by Mr. T. Bainbrigge Fletcher, and presented by him to the British Museum. 183. Anthrax guttatipennis, sp. nov. Head : f rons at level of antenna? one-third width of the head, diminishing to one-third as wide at vertex, black, covered (apparently), as is the face also> with bright chrome-yellow elongate scaly pubescence, intermixed (at least on frons) with long black hairs ; antenriaB black, 1st joint bristly, 3rd short onion-shaped, with long style ; occiput black, with minute greyish- white scales on eye-margins. Thorax black (denuded), with bright chrome-yellow scaly pubescence forming a collar and towards sides of dorsum, covering shoulders and extending over pleura; scutellum black, with minute bright yellow scales on posterior margin and some concolorous bristles, with which are mixed some long black ones. Abdomen black ; 1st segment with a little ragged bright yellow bristly pubescence; all segments except 4th* with broad basal bands of depressed small bright yellow scales, the bands narrowest at the centre of each segment ; rest of dorsal surface apparently covered with depressed small Possibly an individual aberration. 238 BOMBYLIID^E. dull black scales ; a few long black bristles on hind margins of at least last two segments ; sides of first four segments with long shaggy bright yellow scaly pubescence ; venter black, basal halt' covered with small depressed bright yellow scales and some- what longer concolorous pubescence, and apparently two or more narrow transverse rows of similar scales on apical half. Leys black ; coxae with long yellowish hairs and black bristles at tip, directed backwards ; femora, at least on hinder side, with minute pale yellowish adpressed scales and a few black bristles below ; tibiae with some yellow scales on hinder side, rest of surface with closely-impressed, very dark brown scales and the usual bristles ; tarsi 'black. Wings dark brown, darker anteriorly ; centre of both basal cells, discal cell, and 3rd arid 4th posterior cells narrowly pale : a small elongate pale streak in marginal cell just before bifurcation of praefurca, and another towards tip of that cell ; two similar streaks in 1st submarginal cell ; halteres yellowish. Length, 13 mm. Described from a unique specimen (sex uncertain) in the British Museum from Trincomali Hot Wells, Ceylon, 15. x. 1891 (Yerbury). 184. Anthrax himalayanns, Brun. Anthrax liimalayanus. Brunetti, Rec. Irid. Mus. ii, p. 222, figs. 1, 2 (1909). Anthrax maura, Brunetti, op. cit. ii, p. 451 (1909). S $ • Head black : frons in J and £ fully or over one-third width of the head at level of antennae, between one-third and one- fourth this width at vertex in J and about two-fifths in $ ; frons and face with prominent long black pubescence and minute elongate yellow scales, which latter are rather longer on face, where there are also a few yellow hairs ; antennae black, 3rd joint short onion-shaped, witli a long style ; proboscis black, withdrawn ; occiput black, with minute yellowish-white scales. Thorax black, with rather long, fine, very dark brown hairs; the surface apparently sparsely covered with minute depressed elongate yellow scales ; anterior margin with a row or fringe of long brownish-yellow scales ; side margins with long, pale yellow, almost scale-like pubescence. Sides of thorax light grey, with elongate brownish- yellow scales and coucolorous pubescence on lower part ; an elon- gate bunch of long black scales below shoulders and a fringe of similar scales in the centre of the lower anterior margin, imme- diately below bead, with elongate brownish-yellow scales on each side. Scutellum black, with minute orange-yellow depressed scales on dorsum and with fine black hairs; a row of black bristles on hind margin. Abdomen black ; 1st segment with some long yellowish-grey scaly pubescence towards sides, which stretches across the anterior margin also, posterior margin with a ANTHRAX. 239 narrow row of minute orange-yellow (varying to yellowish-grey) scales ; surface of 2nd and 3rd segments, posterior half of 4th, hind margins, and more or less of the clorsum of 5th, 6th, and 7th with minute reddish-yellow depressed scales ; anterior half of 4th seg- ment occupied by a transverse baud of whitish scales ; hind margins towards the sides of 6tli and 7th segments with similarly coloured scales. Whole surface of abdomen with fine long black pubescence, there being apparently no row of bristles on hind margins of any of the segments ; sides of 1st, anterior lialf of 2nd, and all the 4th with white scaly pubescence ; hind half of 2nd and all the 3rd, 5th, and 6th with black scaly pubescence. Venter rather light frey, with minute yellow scale-like depressed hairs and long tine lack pubescence, with longer more bristly black hairs towards tip; genitalia blackish, tip brown. Legs dark brown: fore coxae with a few fine yellow hairs, hind pair with black hairs : femora with minute depressed yellowish-white scales ; tibise with similar but apparently less numerous scales ; some fine black hairs on underside of femora ; femora and tibiae with the usual rows of bristles ; tarsi blackish. Wings very pale grey, with a broad deep brown baso-costal band occupying about half the surface ; the colour extending along all the costa to tip of upper branch of 3rd vein ; posteriorly the colour filling axillary and anal cells except their tips, nearly half the 4th posterior cell, less than a third of the 3rd posterior cell, and basal half of discal cell ; a downward extension (blob) stretching across the 1st posterior cell and filling half of the 2nd posterior cell, the colour limited by the outer side of the discal cell ; the colour also fills the basal half of the 1st submarginal cell and the whole of the marginal cell, except a small space in a line with the proximal limit of the clear half of the marginal cell ; a small oval sub-hyaline spot in upper corner of 1st basal cell, with a narrow longitudinal (not transverse, as I erroneously noted in my first description of the species) streak above it.* Length, 7-11 mm. Described from three J rf and three $ $ in the Indian Museum, Kufri to Phagu, 18. v. 1916 ; Phagn, Simla Distr., 9000 ft,, 12. v. 1909, type rf ; Simla, 7000 ft,, 16. v. 1909, type $ (both Annandale) ; two rf <5 , Naini Tal, v-vi. 1893 (Lucknow Museum ); two $ $ , Simla, 16. v. 1909 and 9. v. 1910, on the flowers of the white stonecrop (Annandale) ; Khasi Hills, Assam (Brit. Mus.). This species is very close to A. maura, L., of Europe, and was referred to under that name in my first paper on this family (I. c.). I have already detailed the differences between the two species (llec. Ind. Mus. iii, p. 222). * A more rough-and-ready description of the wing would be: antero- proxiuial half dark brown, tlie colour cutting the 4th posterior and discal cells about their middles ; a large blob from the dark part at two-thirds the wing-length reaching nearly to the hind margin, a similar smaller blob falling the curve in the 2nd longitudinal vein, and a minute 3rd blob between the 2ud one and tip of upper branch of 3rd longitudinal vein. 240 BOMBYLIIDyE. 185. Anthrax afra, F. Anthrax afra, Fabricius, Ent. Syst. iv, p. 258 (1794) ; Schiner, Fauna Austr. i, p. 50 (1862) ; Brunetti, llec. Ind. Mus. ii, p. 451 (1909;. Anthrax fimbriatus, Meigen,Klass. i, p. 205 (1804) ; id., Syst, Beach. ii, p. 154, pi. xvii, %. 13 (1820). cJ $ . Head : frons one-third as wide at vertex as at level of antennae, where it forms one-third the width of the head, dark olive-brown or blackish, with black hairs and small elongate yellow scales ; ocelli pale, ocellar tubercle quite clear of eye- margins; face clothed as frons ; eyes dark brown ; antennae black, 2nd joint often dull red, 1st joint with long, 2nd with short black bristles ; proboscis marked with blackish brown ; occiput black, with very small yellow scales and minute white scaly pubescence in centre and around upper half of margin. Thorax from dark olive-brown to blackish, more or less covered on upper surface with very small yellow flat-lying scales ; towards the sides with from pale yellow to brownish-yellow bristly pubescence, which on anterior margin changes to very narrow elongate yellow bristle-like scales, a large fan-shaped bunch of which (of deeper yellow) occurs below the shoulders, extending nearly to the wing- base ; on the shoulders and extending posteriorly for a short distance the scales are often yellowish white and nearly silky in nature ; on the posterior calli a large fan-shaped bunch of bright yellow- elongate bristle-like scales, with some whitish ones in front of them. Sides of thorax with some black hairs and apparently a few yellow hairs around wing-base ; scutellum with short flat-lying yellow scales and a row of long black bristles towards hind margin. Thorax with usual macrochsetae. Abdomen black, 1st segment with small yellow and white scales inter- mixed ; anterior half of 3rd and 6th segments with small white scales ; most of the 2nd segment and a band on hinder part of 3rd to 6th segments, yellow-scaled ; rest of dorsal surface with black scales ; the 7th segment bears white and black scales, and there is a large fan-shaped bunch of very elongate milk-white scales on anterior corners of abdomen. Genitalia with a circlet of reddish-yellow spines ; venter mainly with black scales and a few long pale hairs, a narrow row of small yellow scales on hind borders of segments. Leys black or dark brown ; femora with small, dark-brown, closely-applied scales and others that reflect a greyish lustre in certain lights ; fore femora with a few stiff, moderately long hairs below, hind pair with a row of moderate- sized bristles below ; anterior tibiae with short pubescence, hind pair with dark brown and greyish-lustred scales and rows of small black bristles ; tarsi blackish. Wings clear ; a dark brown oblique band on anterior margin extending nearly to tip of costal cell and defined posteriorly by a line drawn, with slight angu- lations at the veins, from that spot diagonally to the base, cutting the anal cell at one-third of its length ; halteres yellow. Length, 4g-7 mm. ANTHRAX. 241 Described from a good number of specimens in the Indian Museum, Pusa, my own, and other collections. A widely distri- buted species in India : Dehra Dun, iv. and ix. 1904 (Chatterjee) ; Anamalai Hills, 4000 ft., 24. i. 1912 (Fletcher) • Allahabad, 24-29. iii. 1906, 6 and 19. x. 1905 (Hoivlett) ; Satara Distr., 3200 ft., Bombay, 23. iv. 1912 (Gravely); Puri, 24-28. i. 1911 (Annandale, Gravely), 29.ii.1908 and 2.iii. 1908 (Paiva) ; Gonda Distr., United Prov., 26. ii. 1907, 9. iii. 1909 ; Madhupur, Bengal, 14. x. 1909 ; Pusa, common, ii, iii, iv, vi, xi : Pipera, Gonda Distr., United Prov., 9.iii. 1909 (Hocl/art) ; Muttra, 22. iv. 1905 ; Meerut, 25. iv. 1905; Ferozepore, 28. iv. 1905 (all Bnmetti) ; Guindy, Madras (Capt. Cragg) ; Dawna Hills, Burma, 2000-3000 ft., 2-3. iii. 1908 (Annandale) ; Trincomali, Ceylon, 21.viii. 1890 (Col. Yerbury)-y Port Blair, Andaman Is., 15. ii. to 15. iii. 1915 (Kemp). 186. Anthrax semifuscata, sp. nov. cJ 5 . Head : frous at level of antennae less than one-third width of the head, at vertex less than half this width, blackish grey, with minute bright yellow scaly pubescence, which latter also covers the face ; antennas black, 3rd joint short, with long style; occiput blackish grey, a fringe of small snow-white scales on lateral eye-margins. Thorax black (denuded), hind corners of dorsum dull reddish brown; in good specimens the dorsum, anterior margin, and sides of thorax are probably covered with bright chrome-yellow scaly pubescence, which extends to the scutellum also. Abdomen black ; 1st segment with a band of depressed bright yellow scales ; 2nd, ,3rd, 4th, and 6th segments each with a basal band of similar scales, broadening towards and at the sides, where it is augmented by concolorous long scaly pubescence covering all the sides of the 2nd, 3rd, and 4th segments ; 5th segment apparently devoid of such a band ; dorsal surface of abdomen not covered by yellow scales, furnished with small depressed black scales; venter black, basal half with depressed bright yellow scales, concolorous scales about the tip. Legs black ; femora with whitish scales on hinder side (those on fore pair appear more yellowish); tibiae with some yellowish- white scales ; tarsi black. Wings pale grey, basal and anterior parts moderately dark brown, the colour fading away distally, its approximate limit running from tip of 1st vein, just escaping fork of 3rd vein, filling discal cell and bases of 3rd and 4th posterior cells and filling anal and auxiliary cells; halteres pale yellow. Length, 7—8 mm. Described from three specimens in indifferent condition in the British Museum from Trincomali, Ceylon, 2. x. 1890 (type a . Head : f rons in tf sufficiently narrow at vertex for the small ocellar tubercle to touch the eye on each side, in $ broad enough for this tubercle to be quite clear of the eyes ; in both sexes frons broadening to base of antennae, where it forms one- third of the head, black, covered wholly with black bristles and on the lower part with elongate black or dark brown scales and some shorter yellow or yellowish-white scales intermixed ; face in c? wholly and thickly covered with elongate bright yellow scales, with which are intermixed long black hairs, and in the median line from base of antennae to mouth-opening a stripe of dark brown scales : in $ the face-scales mostly whitish, those in the median line yellowish ; eye-facets small, uniform ; antennas black, 1st and 2nd joints bristly, 3rd onion-shaped, produced into a long bare style. Thorax black, covered with moderately short blackish-brown hairs ; anterior margin with a thick fringe of reddish-tawny bristly hairs, which extend to a considerable portion of the under- side. Sides of thorax with long whitish-grey scale-like pubescence, forming fan-shaped bunches about the humeral and posterior calli, near the wing-base and on the pleurae ; this pubescence varies from nearly white to dirty grey and yellowish. Along the hind border of the mesonotum there 'is always, in the narrow depression occurring just before the extreme margin, a row of very small flat- lying bright yellow scales.* Scutellum black, with some soft black hairs and (probably) with whitish pubescence.f Abdomen black ; at base of 2nd segment a moderately wide band of very small flat-lying white scales; a similar but narrower band of yellow scales at base of 3rd segment and a row of yellowish or whitish (or apparently both intermixed) at base of remaining segments; rest of surface covered with small flat-lying black scales ; entire dorsum covered with rather long fine dark brown hairs, which along the basal bands of pale scales appear to be replaced by whitish ones. Sides of abdomen thickly clothed on first two segments with long bushy scale-like whitish hairs ; on 3rd segment with long very dark brown scales and hairs, which extend a little over the sides of the 2nd segment; on 4th segment with elongate white scales, connected with the basal cross-baud * A few of these generally remain even in badly-denuded specimens, but there seems no reason to infer that they extend beyond the narrow space t This is conjecture, not one of the specimens before me bearing any pubescence. 246 BOMBYLILD.S:. of whitish scales (which, after those on the 2nd segment, are the most conspicuous of these transverse scale-bands) ; on 5th and 6th segments with elongate dark brown scales and hairs ; and on the 7th segment with white scales. This vestiture of the sides of the abdomen is quite distinct from the dorsal, and of much finer pubescence. Genitalia dark brown or blackish, with some line black hairs. Yenter black, with flat-lying dull black scales and sparse black hairs; hind margins of segments with a more or less broad border of whitish or yellowish scales. Legs black ; coxae with long yellowish-grey hairs ; femora with closely-placed very dark brown scales and a further clothing on underside of yellowish- white scales, also with some long fine hairs ; tibiae with very short bristles, hind pair with short but distinct very dark brown scales. Wings quite clear ; base of costa with thick dark brown scales, over which lies a covering of elongate silvery snow-white scales; costal cell dark brown up to humeral cross-vein ; subcostal cell wholly brown, the brown colour also extending very narrowly across the wing at the extreme base ; halteres dull pale yellow. Length, 8-14 mm. Eeclescribed from several specimens fi-om both Mussoorie, ix. 1906, and Simla, 16. v. 1909 (Annandale) ; Simla, x. 1911 ; Dehra Dun, xi. 1907 (Lt.-Col Wt/ville Thomson"); Sukli, Dawna Hills, 2100ft., 22-29. xi. 1911 (Gravely); Khasi Hills. Found on Sedum and the common marguerite. Type in the British Museum. This species is fully redescribed here from four c? c? and five $ § , mostly in tolerably good condition, and this must super- sede my former description, drawn up from a single specimen. 191. Anthrax fuscolimbata, Anthrax fuscolimbata, Brunetti, Kec. lud. Mus. xiii, p. 75 (1917). $. Head: frons one-third width of head at level of antennae, less than half this width at vertex, covered with yellowish impressed scales and black pubescence, the scales near the antennae sometimes becoming gradually whitish ; on face all snow-white in type, and yellowish white and yellowish respectively in the other two specimens ; antennae black, 1st joint with long black bristles, 2nd with a ring of shorter bristles, 3rd elongate conical, tapering to a rather long style; proboscis dull yellowish or obscure; occiput with a border of snow-white minute scaly pubescence behind eyes, and some yellow scales on upper part. 'Thorax black, more or less covered with small impressed yellow scales ; anterior and side margins, shoulders, and pleurae covered with dense elon- gate brownish-yellow scales, which are paler on the mesopleura and sternopleura or sometimes altogether paler; a rather short fine sparse black pubescence on dorsum, sometimes remaining after nearly all the yellow scales have been worn off. Scutellum black, with small yellow impressed scales ; a few fine yellow hairs and a ANTHKA.X. 247 row of black bristles on hiud margin. Abdomen black, with trans- verse bauds of small yellowish, yellowish-grey, or whitish scales, broadest on 2nd and 4th segments, where, especially towards sides, they reach up to .and beyond middle of segment ; a narrow basal band on 3rd segment and a narrow band on hind margins of 5th and 6th ; a large bunch of elongate brownish-yellow scales towards and on sides of 1st, 2nd, and 3rd segments ; dorsum of 1st with sparse concolorous fine hairs. Sides of 3rd and 4th segments with elongate brownish-yellow scaly pubescence, which is paler on the latter ; sides of 5th and 6th segments with numerous elongate dark brown scales and long black bristles ; posterior part of side of 6th segment with a conspicuous bunch of elongate snow-white scales ; 7th segment with black scales only ; all the dorsal surface of abdomen, not occupied by pale scales, covered with minute impressed black scales ; sparse fine pale hairs on about basal half of dorsal surface, replaced on posterior half by black ones ; hind margins of segments with a row of black bristles. Venter with a broad transverse band of yellowish scales beyond middle ; remaining segments with white scales ; whole surface of venter plentifully covered with long yellowish or yellowish-grey hairs, with fine black hairs towards tip. Genitalia brownish yellow, with a circlet of blunt reddish-brown spines and black pubescence. Leys black, coxae with rather long grey or whitish pubescence; femora and tibiae with small white or yellowish-grey scales and rows of black bristles. Winys nearly clear, the brown suffusion on anterior part in type-specimen limited to subcostal cell ; in 2nd and 3rd specimens extending from costa up to but not encroaching on discal cell, dying away towards tip; anterior cross-vein just before middle of discal cell ; halteres cream- yellow. Described from three paratype $ ? in the Indian Museum, neither one being in sufficiently good condition to regard as the ultimate type; Simla, 7000-8000 ft., 26. v. 1914 (Copt Evans); Mussoorie, 6500 ft. (Bond) ; Guindy, Madras (Capt. Patton). 192. Anthrax hottentotta, //., var. claripennis, Brun. Anthrax hottentotta var. claripennis, Brunetti, Rec. Ind. Mus. ii, p. 452 (1909). $ . Head : f rons half as wide at vertex as at level of antennae, where it is one-third of the head, black, covered (at least on lower part) with minute yellow impressed scales, and wholly covered with stiff black pubescence ; face black, wholly covered with dense elongate yellowish-white scales ; antennae black, 3rd joint con- siderably elongate ; proboscis obscure, withdrawn ; occiput black, apparently covered with minute scales, which are yellow behind the vertex and white near the lower eye-margins. Thorax black, dorsum (apparently) covered with minute elongate yellow scale- like depressed pubescence ; anterior margin, sides of dorsum, and the shoulders with dense elongate upright brownish-yellow scales; 248 BOMBYLIIJXE. sides with similar scales of a yellowish-white colour or concolorous long hairs. Scutellum black, hind border (probably whole surface, more or less) with minute impressed yellow scales (no bristles present on hind margin, but these have probably been broken off). Abdomen black, base of 2nd, 3rd, and 4th segments with broad transverse bands of minute pale yellow impressed scales, the band on 2nd segment the broadest ; 5th, 6th, and 7th segments nearly wholly covered with yellowish-white scales, which are longest on the hind margins ; 7th segment with a thick fringe on hind margin of very elongate yellowish-white scales ; surface of abdo- men which is not occupied by yellowish scales, covered with similar minute black scales. Sides of 1st segment with elongate yellowish-grey scaly pubescence, which extends as long fine con- colorous hairs across the dorsum ; sides of 2nd segment with scaly pubescence as on 1st, this pubescence being continued along sides of rest of abdomen, but in gradually diminishing quantity. Tenter obscure, with minute snow-white impressed scales and long yellowish hairs on basal part, and with white hairs towards tips ; genitalia brownish yellow. Leys black ; coxae with rather long yellowish or grey pubescence ; femora and tibiae with minute yellow and whitish impressed scales, often intermixed ; the white ones predominating at base of middle femora and below hind femora. Wings entirely clear, hyaline ; subcostal cell yellowish brown ; bifurcation of 2nd and 3rd veins exactly in a line with anterior cross-vein, which latter is just before middle of discal cell ; halteres pale creamy yellow. Length, 12% mm. Described from the unique type in the Indian Museum from Bhura, in the plains of the Naini Tal District, Western Hima- layas, 14-17. iv. 1907. The differences distinguishing this variety from typical A. hot- tentotta of Europe are the clear wings, the wholly black-haired frons, the whitish scales on the face, and minor characters. 193. Anthrax paniscus, Rossi. BiUo paniscus, Rossi, Fauna Etrus. ii, p. 256 (1790). Anthrax bimaculatus, Macquart, Suites a Buff, i, p. 403 (1834). Anthrax cingulatus, Meigen, Syst. Besch. ii, p. 145 (1820). Anthrax hottentottus, Walker, List Dipt, Brit. Mas. ii, p. 259 (1849).