508 

 Index 



Tipula (cont.) 



plutonis 



praecisa 



pubera 



pyramis 



quay lei 



repulsa 



sanctae-luciae 



sayleriana 



sequoiarum 



sequoicola 



shastensis 



silvestra 



simplex 



spernax 



spinerecta 



sternata 



subapache 



subtilis 



supplicata 



sweetae 



tenaya 



timberlakei 



tingi 



trichophora 



tristis 



truculenta 



trypetophora 



tuberculata 



ungulata 



vestigipennis 



vitabilis 



vittatipennis (et seq.) 383 



williamsii 



xanthomela 



yosemite 



zelootype 

 Tipulidae, 373, 375, 376, 377 

 key to genera: adults, 378; larvae, 

 379; pupae, 381 

 Tipulinae, 378' 

 Tipuloidea, 373 

 Toad bugs, 209 

 Toe biters, 203 

 Tortopus, 82 

 Tortricidae, 271 

 Toxorhynchites, 391, 392 

 Toxorhynchitini, 392 

 Trachypachus, 297 

 Tramea, 125, 126, 135 

 key to species: adults, naiads, 135 



lacerata, 135, 136 



onusta, 135 

 Trapezostigma, 135 

 Traverella, 92 

 Trepobates, 185, 213 



becki, 215 

 Triacanthagyna, 120, 123, 124 

 Trianodes, 264, 265 



frontalis, 265 

 Trichocorixa, 185, 190, 191, 193 

 key to species and subspecies: 194 



calva, 194 



reticulata, 189, 193, 194 



uhleri, 194 



verticalis californica, 194 



verticalis saltoni, 194 

 Trichocryptus, 272, 291 

 Trichogramma, 290', 291 



minutum, 292 

 Trichogrammatidae, 290 

 Trichomyia, 387 

 Trichopria, 289, 290 



Columbiana, 290, 291 

 Trichoptera, 72, 237 

 morphology, 238 

 cases, 239 



collecting of, 240 



key to families", adults, 241; larvae, 

 242 

 Trichopufciygidae, 346 

 Trichotanypus, 408, 410, 411 

 Trichothaumalea, 438 

 Tricorythodes, 99 



fallax, 99 

 Tridactylidae, 154 

 Tridactylus, 154 

 key to species: 154 



apicalis. 154 



minutus, 154 

 Trimerina, 465 



madizans, 468 

 Trimerinoides, 465 



affinis, 468 

 Triogma, 378, 379, 381 

 Triznaka, 178 

 Trochopus, 215, 216 

 Trogophloeus, 347 



arculatus, 347 

 Tropisternus, 294, 338, 340, 341 

 key to species: adults, 343 



californicus, 343 



columbianus, 343 



ellipticus, 343 



lateralis, 343 



lateralis nimbatus, 337 



obscurus 343 



orvus, 343 



salsamentus, 343 



sublaevis, 343 

 Trypetoptertt, 477 

 Tubifera, 461, 462 

 key to species: adults, 462 



aenea, 462 



alhambra, 462 



arvorum, 462 



hirta, 462 



latifrons, 462 



occidentalis, 462 . 



tenax, 462 

 Tullbergia, 76 

 Turkey gnats, 401 

 Typopsilopa, 465, 470 



atra, 470 

 Typopsilopini, 465 



Ulomorpha, 378, 381, 382 



nigronitida, 384 



quinquecellula, 384 



vanduzeei, 384 

 Undulambia, 274, 277 

 Uranotaenia, 391, 392 



anhydor, 395 

 Usingeriessa, 271, 275, 277 



brunnildalis, 277, 281, 282, 284 



onyxalis, 284 



symphonalis, 284 

 Usingerina, 201, 202 



moapensis, 201, 202 

 Utaperla, 159, 162, 177 



walkeri (fuscata) group, 94, 95 



key to species: adults, 96; nymphs, 

 97 



coloradensis, 96, 97 



doddsi, 96, 97 



flavilinea, 96, 97 



glacialis carsona, 96, 97 



proserpina, 97 



sierra, 97 



spinifera, 96, 97 



yosemite, 97 

 Waltzing beetles, 326 

 Water beetles, 293 

 Water boatmen, 188 

 Water pennies, 365 

 Water pollution, 34 

 Water scavenger beetles, 334 

 Water scorpions, 207 

 Water striders, 211 

 Water treaders, 221 

 Weevils, 369 

 Wherrymen, 211 

 Whirligig beetles, 326 

 Whitneyomyia, 44 5 

 Wiedemannia, 457, 458, 459 



oucdorum, 459 



simplex, 459 

 Williamsonia, 124, 125 

 Wing venation, 69 

 archetype, 69 

 mayfly, 83 

 stonefly, 158 

 anisoptera, 107 

 Wormaldia, 247, 248 

 key to species: males, 248 



anilla, 248 



cruzensis, 248 



gabriella, 248 



hamata, 248 



occidea, 248 



pachita, 248 



sisko, 248 

 Wrigglers, 391 

 Wyeomyia, 391, 392 





Valley black gnat, 428 

 Velia, 215, 216 

 Veliidae, 185, 186, 187 



key to genera: 216 

 Velvet water bugs, 220 

 Vermicorixa, 196 

 Vespoidea, 290 

 Viehoperla, 164 

 Visoka, 165, 166 



Xenochironomus, 409, 422 



xenolabis, 422 

 Xenylla, 76 

 key to species' 76 



baconae, 77 



humicola, 77 



maritima, 77 



welchi, 77 



Yoraperla, 163 

 Yponomeutidae, 271 

 Yugus, 175 



Zaitzevia, 358, 360, 361 



parvula, 361 

 Zapada, 165, 166 

 Zavrelia, 418 

 Zavreliella, 420 

 Zealeuctra, 168 

 Zeros, 465 

 Zoniagrion, 142, 145 



exclamationis, 145 

 Zonothrix, 337 



tropisterna, 337 

 Zoraena, 113 

 Zygoptera, 106, 109, 136 

 key to genera: adults, 136: naiads, 

 137 



