906 



UNITED STATES NATIONAL MUSEUM BULLETIN 224 



triflagellatus Frey, Promaehus, 462 



trigemina Becker, Astochia, 549 



trigoniferum Hermann, Andrenosoma, 350 



trigonoides de Jleijere, Damalina, 71 



trigonus Meigen, Dysmachus, 56S; figs. 

 299, 782, 1532, 1541, 2294, 2317, 2386, 

 2389 



triligata Walker, Laphria, 323 



trilobus Strobl, Dysmacbus, 568 



trimaciilata de Meijere, Mesoleptogaster, 

 303 



trimelas Walker, Mierostylum, 158 



trimucronata Hermann, Leptogaster, 300 



triopas Walker, Asilns. 546 



tripars Walker, Cenochromyia, 413; figs. 

 655, 2117 



tripartitus Walker, Dasypogon, 228 



trisignata Rieardo, Heligmoneura, 582 



trisignata Rieardo, Neomochtherus, 591 



tristis Seguy, Ancylorrbynchus, 217 



tristis Wiedemann, Asilus, 546 



tristis Wbite, Batbypogon, 150 



tristis Walter, Dizonias, 134 ; flg. 1927 



tristis Dolescball, Lapbria. 324 



tristis Bigot, Laxenecera, 345 



tristis Bigot, Promaehus, 462 



tristis Meigen, Steuopogon, 124 



tristrigatus Leow, Alcimus, 4.58 



triton Osten Sacken, Nerax, 479 

 triumpbans Bezzi, Promacbus, 463 

 triungulata Enderlein, Ammopbilomima. 



304 

 triungulata Williston, Leptogaster, 299 

 trivialis Loew, Apoclea, 4.54 

 trivittatus Melander, Lasiopogon, 116 

 tropica Curran, Leptogaster, 299 

 tropicus Rieardo, Neoitamiis, 557 

 truncatus Loew, Antipalus, 580 

 truncatus Hine, Nerax, 478 

 truncus Coquillett, Copbura, 270 

 truquii Bellardi, Leptogaster, 299 

 truquii Bellardi, Neomocbtberus, 591 

 truquii Bellardi, Promaehus, 462 

 truquii Bellardi. Scleropogon, 126 

 tnts JIcAtee, Laphria, 322 

 trux audax McAtee. Laphria, 323 

 tuberculata Wu)p, Maira, 330 

 tuberculatus Coquillett, Nerax, 478 

 tucca Walker. Lapbria, 324 

 tuema Lynch Arribulzaga, Dicranus, 143 

 turinus Walker, Philodicus, 462, 595 

 turkmenica Paramonov, Lapbystia, 76 

 tuxpanganus Bellardi. Philonicus, 562 



V 



ufens Walker, Laphria, 323 

 ugandiensis Rieardo, Macbimus. 564 

 ugandien.sis Rieardo, Promacbus, 462 

 ubleri Banks, Scleropogon, 126 

 ultimvs Walker, Promaehus, 461 

 umlellatarum Meigen, Dioctria, 29 

 umbrinus Back, Dasybolopogon, 177 

 umbriuus Loew, Diogmites, 232 

 umbripennis Loew, Holcocepbala, 64 

 umbrosum Bromley, Mierostylum, 158 

 umbrosiis Brulle, Dasypogon, 228 

 uneinatus Hull, Batbypogon, 150 

 unctus Oldroyd, Neomocbtberus, 591 

 undnlatus Fourcroy, Pamponerus, 552 

 ungulata Pallas, Polysarca, 492 

 nngulinus Loew, Rbadinus, 115 

 unicolor Macquart, Atomosia, 373 



unicolor Williston, Bombomima, 325 

 unicolor Hermann, Cerotainia, 395 

 unicolor de Meijere. Clariola, 393 

 unicolor Dolescball, Leptogaster, 300 

 unicolor Curran, Lestomyia, 237 

 unicolor Rieardo, Mierostylum, 158 

 unicolor Bellardi, Nerax, 479 

 unicolor Becker, Ommatius, 436 

 unicolor Loew, Plesiomma, 219 

 unicolor Loew, Pogonosoma, 351 

 unicolor Rieardo, Stichopogon. 106 

 unifascia Walker, Lapbria, 323 

 unifasciatus Loew, Ancylorrbynchus. 217 

 unibamata Hermann, Leptogaster, 300 

 univentris Walker, Promacbus, 462 

 univittatus Loew, Neoitamus, 5.57 

 univittatus Becker Oropbotus, 593 

 univittatus Loew, Stenopogon, 124 

 ursinus Sebiner, Neolopbonotus, 532 

 nrsinus Loew, Pegesimallus, 256 

 Ursula Loew, Cboerades, 325 

 uruguayensis Lynch Arribillzaga, Holco- 

 cepbala, 64 

 usambarae Licbtwardt, Dasyllis, 359 

 ussuriensis Engel, Eutolmus, 566 

 vstulata Loew, Lopbopeltis, 533 

 ustulatum Engel and Cuthbertson, Miero- 

 stylum, 158 

 utahensis Bromley. Nerax, 478 

 utahensis Banks, Nicocles, 259 

 utahensis Bromley, Stenopogon, 124 



vagans Wiedemann, Philonicus, 562 

 vagator Wiedemann, Promacbus, 462 ; flgs. 



374, 733, 1441, 1450 

 valdivianus Pbilippi, Asilus, 546 

 valida Loew, Dioctria, 30 

 validiun Loew, Mierostylum, 158 

 validus Loew, Leptogaster, 300 

 validus Loew, Proagonistes, 358 

 vanduzeei Wilcox, Ablautus, 204 

 vanduzeei Wilcox and Martin, Cyrtopogon, 



172 

 vanduzeei Cole Lissoteles, 112; figs. 482, 



933, 942 

 vanduzeei Wilcox and Martin, Nannoeyrto- 



pogon, 175 

 vandykei Wilcox and Martin, Cyrtopogon, 



172 

 vandykei Wilcox and Martin, Nannocyrto- 



pogon, 175 

 van-kampeni de Maijere, Ommatius, 436 

 vansoni Bromley, Neolophonotu.s, 532 

 varans Curran, Cyrtopogon, 172 

 varia Loew, Laphria, 323 

 variabilis Brull6, Dasypogon. 228 

 variabilis Bromley, Lapbria, 323 

 variabilis Engel, Ommatius, 4.36 

 variabilis Sebiner, Proctacanthus, 488 

 variabilis Hermann, Rhacolaemus, 128; 

 figs. 119, 455, 918, 927, 1751, 1849, 1979 

 variabilis Zetterstedt, Rhadiurgus, 548; 

 figs. 309, 779, 1620, 1621, 2310, 2329, 

 2364, 2379 

 variana White, Laphria, 324 

 varians Meigen, Erax, 559 

 varians Rieardo, Maira, 330 

 varians Bigot, Saropogon, 278 

 varieaata Loew, Leptogaster, 300 

 variegatus Bigot, Ancylorrbynchus, 217 

 variegatus Pallas, Ancylorrbynchus, 217 



variegatus Meigen, Dysmachus, 567 

 varifemoratus Macquart, Cerdistus, 515 

 variipennis Strobl, Eutolmus, 566 

 varimystacens Macquart, Cerdistus, 515 

 varipennatum Bigot, Mierostylum, 158 

 varipennis Walker, Doryclus, 427 

 varipennis Coquillett. Eucyrtopogon, 197 

 varipennis Rieardo. Scylaticus, 145 

 varipes Banks, Andrenosoma, 350 

 varipes Meigen. Antipalus, 5S0; figs. 3.55, 



790, 1511, 1520, 2369, 2372 

 varipes Meigen, Dioctria, 29 

 varipes Bigot, Lapbria, 323 

 varipes Macquart, Laphria, 323 

 varipes McAtee, Laphria, 323 

 varipes Curran, Lapbystia, 76 

 varipes Loew, Leptogaster, 299 

 varipes Wulp, Leptogaster, 300 

 varipes Williston. Nerax, 478 

 varipes Curran, Ommatius, 436 

 varipes Macquart, Promacbus, 462 

 varipes Sebiner, Senoprosopis, 500 ; fig. 702 

 varispinus Strobl, Dysmachus, 567 

 varitibiatus Rieardo, Ommatius, 436 

 varius Meigen, Dysmachus, 567 

 varius Loew, Erax, 5.59 

 varius Walker, Neoitamus, 557 

 vauriei Curran, Nerax, 479 

 vegeta Wiedemann. Apoclea, 454 

 vegeta Lynch Arribalzaga, Mallopbora, 



469 

 velox Wiedemann, Nerax, 479 

 velutinus Bezzi, Lasiopogon, 116 

 venator Speiser. Ommatius, 436 

 venatrix Loew, Lapbria, 323 

 venatrix Hobby, Promaehus, 462 

 venerabilis Walker, Promacbus, 462 

 venezuelensis Macquart, Laphria, 323 

 venno Walker, Cabaza, 290 

 venosa Fourcroy, Dioctria, 30 

 venosum Wiedemann, Mierostylum, 158 ; 



figs. 150, 1779, 1786 

 ventralis Sebiner, Gonioseelis, 132, fig. 



1710 

 ventralis Williston, Lapbria, 323 

 ventralis Macquart, Mallopbora, 469 

 ventralis Coquillett, Ospriocerus, 129 

 ventrieulus Becker, Tolmerus, 572 

 venustula Lynch ArribSlzaga, Atomosia, 



373 

 venustus Bertolini, Damalis, 55 

 venustus Peter Rossi, Holopogon, 177 

 venustus Bromley, Leptogaster, 299 

 venustus Carrera and d'Andretta, Proma- 

 ehus, 462 

 venustus Philippi, Scylaticus, 145 

 vera Pritcbard, Copbura, 270 

 vera Back, Dioctria, 29 

 vennictilaris Pandelle Tolmerus, 572 

 vernaculus Wbite, Stichopogon, 106; figs. 

 61, 446, 895, 904, 1596, 1691, 1692, 1942, 

 2029 

 vernalis Zinovjeva, Eremisca, 516, figs. 



2516, 2528, 2529 

 vernalis White, Leptogaster, 300 

 versicolor Meigen, Asilus, 546 

 versicolor Rieardo, Lamyra, 367 

 versicolor Hobby, Promacbus, 462 

 vertebrata Cole, Dioctria, 29 

 vertebratiis Wulp, Astochia, 549 

 vertetratus Bigot, Habropogon, 207 

 vertebra tus Bromley, Nerax, 478 

 vertebratus Say, Promacbus, 461 



