490 

 Index 



Alloperla {cont.) 

 key to subgenera and species: 177 



borealis, 180 



chandleri, 178 



coloradensis, 180 



continua, 179 



delicata, 178 



diversa, 178 



dubia, 177 



elevata, 178 



exquisita, 178 



fidelis, 179 



forcipata, 177 



fraterna, 178 



pacifica, 178 



pallidula, 177 



pintada, 178 



severa, 178 



spatulata, 178 



tamalpa, 178 



thalia, 178 



townesi, 180 

 Allotrichoma, 464, 467 

 key to species: adults, 467 



lateralis, 467 



livens, 467 



simplex, 467 



trispina, 467 



yosemite, 467 

 Alluaudomyia, 425, 428, 434 

 key to species: adults, 434 



bella, 434 



needhami, 434 



stictipennis, 434 

 Ambia, 271 

 Ambrysus, 185, 202 

 key to species: adults, 202; nymphs, 

 203 



amargosus, 201, 202 



bohartorum, 203 



californicus, 201, 202, 203 



funebris, 201, 203 



mormon, 201, 203 



occidentalis, 201, 203 



puncticollis, 201, 203 



signoreti, 201, 202 

 Ameletus, 89, 90 

 key to species: adult males, 90 



amador, 80, 90 



dissitus, 90 



facilis, 90 



imbellis, 90 



shepherdi, 90 



validus, 90 



velox, 90 

 Ametor, 338 

 key to species: adults, 344 



latus, 344 



scabrosus, 344 

 Ametropinae, 89, 104 



key to genera: nymphs, 105 

 Ametropus, 104, 105 

 Amphiagrion, 142, 145 



abbreviatum, 145 



saucium, 145 

 Amphinemoura, 165, 167 

 Amphizoa, 300 



carinata, 300 



davidi, 300 



insolens, 300, 302 



lecontei, 300 



striata, 300 

 Amphizoidae, 293, 297, 298, 300 

 Ampumixis, 358, 360, 361 



dispar, 361 

 Anacaena, 336, 338, 340 

 key to species: adults, 344 



limbata, 344 



signaticollis, 344 

 Anacimas, 445 

 Anacroneuria, 1'59 

 Anagapetus, 243, 246 



chandleri, 246 

 Anagrus, 290, 291 



brocheri, 291 



subfuscus, 291 

 Anatopynia, 408, 410, 411 



algens, 414 



guttularis, 4 14 



marginellus, 414 



venusta, 414 

 Anax, 119, 121 

 key to species: males, 121; females, 

 121; naiads, 121 



Junius, 121 



walsinghami, 121 

 Anchodemus, 370 



angustus, 370 

 Anchycteis, 367 



velutina, 367 

 Anchytarsus, 367 



bicolor, 367 

 Ancyronyx, 358, 360, 361 



variegatus, 361 

 Anepeorus, 84 

 Anisocentropus, 263 

 Anisops, 197 

 Anisoptera, 106, 109, 111 

 Anodocheilus, 309 

 Anomalagrion, 142 

 Anopheles, 391, 392 

 key to species: females, 393; male 

 genitalia, 395; larvae, 395 



freeborni, 395 



occidentalis, 395 



pseudopunctipennis franciscanus, 

 395 



punctipennis, 395 

 Anophelini, 392 

 Anoplius, 290 



depressipes, 290 



illinoiensis, 290 

 Anoplodonta, 439 

 Anthicidae, 298, 299 

 Anthomyiidae, 479 

 Anthomyiinae, 481 

 Antichaeta, 477 



robiginosa, 477 

 Antocha, 378, 379, 381 



monticola, 383 

 Anurida, 76 

 key to species: 77 



granaria, 77 



maritima, 77 



tullbergi, 77 

 Aochletus, 439 

 Apatania, 259 



sorex, 259 

 Apatolestes, 444 

 key to species: 445 



albipilosus, 446 



ater, 44 6 



colei, 446 



comastes comastes, 446 



comastes willistoni, 446 



hinei, 446 



parkeri, 446 



rossi, 446 



similis, 446 

 Apedilum, 409 



Aphelocheirus, 186, 199, 292 

 Aphodius, 335, 336 

 Aphropsyche, 251 

 Aphrosylinae, 454 





Aphrosylus, 449, 451, 454 



californicus, 454 



direptor, 454 



grassator, 454 



nigripennis, 454 



praedator, 4 54 



wirthi, 454 

 Aphylla, 114 

 Apobaetis, 99, 101, 104 



indeprensus, 104 

 Apple smeller, 326 

 Applied entomology, 21 

 Apsilops, 290, 291 



sericata, 291 

 Apteraliplus, 303, 304 



parvulus, 303 

 Aquatic communities, 4 

 role of insects in, 4; lakes, ponds, 

 streams, food chains in, 4 

 Archilestes, 138 

 key to species: males, naiads, 139 



californica, 138, 139 



grandis, 138, 139 

 Archisotoma, 77 

 Arctiidae, 271 

 Arctocorixa, 191 

 Arctopsyche, 250, 251 

 key to species: males, 251 



californica, 251 



grandis, 251 



inermis, 251 

 Arcynopteryx, 159, 162, 173, 174 

 key to subgenera and species: 173 



aurea, 173 



barbara, 173 



parallela, 174 



picticeps, 173 



vagans, 173 



walkeri, 173 



yosemite, 173 

 Argia, 142, 143 

 key to species: males, 144; females, 

 naiads, 145 



agrioides, 143 



alberta, 144, 145 



emma, 144, 145 



hinei, 144, 145 



kurilis, 144 



moesta moesta, 144, 14 5 



nahuana, 143, 144, 145 



rita, 143 



salaasi, 144 



sedula, 144, 145 



solita, 143 



tonto, 143 



vivida, 144, 145 

 Argiallagma, 142 

 Argyra, 449, 451, 455 

 key to species: males, 455 



albicans, 455 



albiventris, 455 



argentiventris, 455 



barbipes, 455 



californica, 455 



cylindrica, 455 



femoralis, 455 



nigripes, 455 



nigriventris, 455 



splendida, 455 

 Argyractini, 274 

 Argyractis, 275 

 Argyractoides, 275, 277 

 Artemia salina, 190 

 Arthroplea, 84, 85 

 Arthropleona, 76 

 Artificial flies, 45 

 Asmeringa, 464, 467 



