494 

 Index 



Cymatia, 191 

 Cymatotopus, 449, 454 



acrosticalis, 454 

 Cymbiodyta, 295, 336, 338, 340, 341 

 key to species: adults, 344 



dorsalis, 344 



imbellis, 345 



pacifica, 345 



puntatostriatus, 344 

 Cyphomyia, 439 

 Cyphon, 350, 352, 353 

 Cyrnellus, 249 



Dacnusa, 289, 290, 291 

 Dactylolabis, 378, 379, 381 



damula, 383 



imitata, 383 



parviloba, 383 

 Dactylosternum, 294, 337, 339 

 Damselflies, 106 

 Dance flies, 457 

 Dascillidae, 350, 367 

 Dascilloidea, 350 

 Dasycorixa, 191 

 Dasyhelea, 425, 428, 431 

 key to species: females, 431; male 

 genitalia, pupae, 432 



ancora, 431, 432 



atrata, 431, 432 



bifurcata, 432 



brookmani, 432 



cincta, 431, 432 



festiva, 431, 432 



grisea, 431, 432 



johannseni, 432 



mutabilis, 432 



pallens, 431, 432 



pollinosa, 431, 432 



pritchardi, 432 



sanctaemariae, 432 



tenebrosa, 431, 432 



thomsenae, 432 



tristyla, 431, 432 

 Dasyheleinae, 425, 428, 431 

 Dasymolophilus, 378 

 Deer flies, 443 

 Derallus, 338 

 Deronectes, 307, 310, 313 

 key to species: adults, 318 



addendus, 318 



coelamboides, 3 19 



corpulentus, 3 18 



deceptus, 318 



dolerosus, 3 19 



eximius, 318 



expositus, 319 



funereus, 319 



griseostriatus, 319 



panaminti, 319 



quadrimaculatus, 319 



roffi, 318 



striatellus, 307, 319 

 Derovatellus, 309 

 Desmona, 259 



bethula, 259 

 Desmopachria, 307, 309 

 key to species: adults, 316 



dispersa, 316 



latissima, 316 

 Despaxia, 168, 169 

 Deuterophlebia, 390 



coloradensis, 390 



shasta, 390 

 Deuterophlebiidae, 373, 375, 376, 390 

 Devil's darning needle, 106 

 Diachlorini, 444 



Diachlorus, 445 

 Diamesa, 408, 410, 412 

 Diamesinae, 407, 410, 411, 414 

 Diaphorinae, 455 

 Diaprepocoris, 190 

 Diapriidae, 290, 291 

 Diathrausta, 271 

 Diaulota, 348 

 key to species: adults, 348 



brevipes, 348 



densissima, 348 

 Dibolocelus, 338 

 Dibusa, 253 

 Dichaeta, 465 



atriventris, 470 

 Diclasiopa, 465 

 Dicosmoecus, 259 



atripes, 259 



unicolor, 259 

 Dicranaptycha, 383 



laevis, 383 



melampygia, 383 



occidentalis, 383 



spinosissima, 383 



stenophallus, 383 

 Dicrohelea, 426 

 Dicronota, 378, 379, 381 



cazieriana, 383 



debilis, 383 



mac u lata, 383 



nuptialis, 383 



polymeroides, 383 



reducta, 383 



tehama, 383 



vanduzeei, 383 

 Dictya, 477, 478 



lobifera, 478 



pictipes, 478 



umbrarum, 478 



umbroides, 478 

 Dictyomyia, 477 

 Dicyphoma, 439 

 Dicyrtoma, 78 

 Didymops, 124, 125 

 Dimecoenia, 466, 470 

 key to species: adults, 472 



austrina, 472 



caesia, 472 



spinosa, 472 



zurcheri, 472 

 Dineutus, 294, 327, 328, 329 



solitarius, 330 

 Diplectrona, 250, 251 



californica, 251 

 Diploneura, 459 



cornuta, 459 

 Diploperla, 175 



Dipsocoridae, 182, 185, 188, 227 

 Dipsocoris, 227 



Diptera, 71, 72, 372; wing venation, 

 373 

 keys to families: adults, 373; larvae, 

 375 



pupae, 376 

 Discocerina, 465 

 key to species: adults, 468 



nadineae, 468 



obscurella, 468 



plumosa, 468 



trochanterata, 468 



turgidula, 468 

 Discocerinini, 464, 467 

 Discomyza, 465, 468 



incurva, 468 



maculipennis, 468 

 Discomyzini, 464, 468 

 Ditrichopera, 465 



kev to species: adults, 467 



argyrostoma, 467 



atrata, 468 



cana, 467 



lugubris, 467 



occidentalis, 468 



valens, 468 

 Diura, 159, 162, 175 



knowltoni, 175 

 Dixa, 401 

 key to subgenera: adults, larvae, 



aliciae, 401 



californica, 401 



chalonensis, 401 



hegemonica, 401 



modesta, 401 



rhathyme, 401 



somnolenta, 401 



xavia, 401 

 Dixidae, 373, 375, 377, 399 

 Dobsonflies, 229 

 Doddsia, 171 

 Dohrniphora, 459 



venusta, 459 

 Dolichocephala, 457 

 Dolichopeza, 378, 381 

 Dolichopodidae, 374, 376, 377, 449 



key to genera: adults, 449 

 Dolichopodinae, 451 

 Dolichopus, 449, 451 

 key to species: males, 451 



acricola, 451 



aedequatus, 451 



afflictus, 452 



affluens, 452 



aldrichii, 452 



amnicola, 452 



andersoni, 451 



appendiculatus, 452 



bakeri, 452 



barbaricus, 451 



bruesi, 451 



californicus, 452 



canaliculars, 452 



cavatus, 452 



completus, 452 



comptus, 452 



consanguineus, 452 



coquillettei, 452 



corax, 451 



crenatus, 452 



cuprinus, 452 



duplicatus, 453 



formosus, 451, 452 



grand is, 452 



hastatus, 4 52 



idahoensis, 452 



jugalis, 452 



manicula, 451 



monticula, 451 



multisetosus, 451 



myosota, 451, 452 



nigricauda, 451 



nigrimanus, 452 



obcordatus, 452 



occidentalis, 453 



paluster, 451 



penicillatus, 452 



plumipes, 452 



pollex, 452 



ramifer, 452 



scoparius, 452 



squamosus, 451 



subcostatus, 452 



sufflavus, 452 



superbus, 452 



talus, 452 



401 





