496 



Index 



Erirhinini, 370 

 Eristalinae, 461, 462 

 Eristalis, 462 

 Erpetogomphus, 114, 115 

 key to species: males, 116; females, 

 116; naiads, 117 



compositus, 116, 117 



lampropeltis, 116, 117 

 Erythemis, 124, 126, 130 

 key to species: adults, 130; naiads, 

 131 



callocata, 131 



simplicicollis, 130, 131 

 Erythrodiplax, 125, 126, 133 



funerea, 133 

 Esenbeckia, 444 

 Eubasilissa, 256, 257 

 Euborella, 209 

 Eubria, 350 

 Eubrianax, 365, 366 



edwardsi, 365 

 Eucapnopsis, 159, 161, 169 



brevicauda, 169 

 Eucorethra, 391, 392 



underwoodi, 392 

 Euforcipomyia, 430 

 Eulalia, 439, 442 

 keys to species; males, females, 442 



alticola, 442, 443 



americana, 442 



arcuata, 442, 443 



cincta, 442 



colei, 442 



hirtocculata, 442 



hoodiana, 442 



inaequalis, 442, 443 



pilosa, 442 



pubescens, 442 



tumida, 442, 443 

 Euparyphus, 439, 440 



amplus, 440 



apicalis, 440 



crotchii, 440 



crucigerous, 440 



flaviventris, 440 



lagunae, 440 



major, 441 



mariposa, 441 



niger, 441 



pardalinus, 441 



tahoensis, 441 

 Eurrhypara, 271 

 Eurycnemus, 408 

 Euryneurasoma, 439 

 Eurypogon, 367 

 Eurystethes, 349 

 key to species: 350 



californicus, 349 



fuschsii, 350 



subopacus, 350 

 Eurystethidae, 293, 297, 298, 299, 349 

 Eusimulium, 404 

 Eusynaptomyces, 295 

 Euthycera, 477 



Fabria, 256 



Filipalpia, 155, 157, 160, 163 



eggs, 156 

 Fishflies, 229 

 Fish killers, 203 

 Flesh flies, 482 

 Flies, 372 



Floats, surface and subsurface, 64 

 Flower flies, 459 

 Folsomia, 77 



key to species: 77 



fimetaria, 77 



elongata, 77 

 Forcipomyia, 424, 428, 430 

 key to species: females, male gen- 

 italia, 430 



bipunctata, 430, 431 



brevipennis, 430, 431 



brookmani, 430, 431 



calcarata var. sonora, 430, 431 



cilipes, 430, 431 



cinctipes, 430, 431 



colemani, 430, 431 



eques, 430 



hurdi, 430, 431 



macswaini, 430, 431 



monilicornis, 430, 431 



occidentalis, 430, 431 



quatei, 430, 431 



squamipes 430, 431 



texana simulata, 430, 431 



texana texana, 430, 431 



townesi, 430, 431 

 Forcipomyiinae, 425, 426, 428 

 Forupomyia, 425, 427 

 Frisonia, 173 

 Fusielmis, 359 



Galerucella, 368 



nymphaeae, 367, 368 

 Galerucinae, 367, 368 

 Ganonema, 263 

 Gastrops, 465 

 Gatlinia, 247 



Gelastocoridae, 182, 185, 186, 187, 

 209 

 key to genera: 210 

 Gelastocoris, 185, 186, 209, 210 

 key to species, 210 



californiensis, 210 



oculatus, 209, 210 



rotundatus, 210 



variegatus, 210 

 Geodephaga, 305 

 Geological history, 1 



of insects, 3 



of California, 7 

 Georyssidae, 298 

 Geosarginae, 439 

 Gerridae, 182, 185, 186, 187, 211 



key to genera: 213 

 Gerrinae, 213 

 Gerris, 185, 212, 213 

 key to species: 214 



buenoi, 214 



dissortis, 213 



gillettei, 215 



incognitus, 214 



incurvatus, 214 



marginatus, 212, 213, 214 



notabilis, 213, 214 



nyctalis, 213, 214 



remigis, 212, 213, 214 



rufoscutellatus, 214 

 Geshna, 271 

 Giant water bugs, 203 

 Ginglymyia, 



acirostris, 272 

 Glaenocorisa, 191 

 Glaucops, 445 



fratellus, 448 

 Glenanthe, 464, 467 



litorea, 467 

 Glossary, 483 

 Glossosoma, 243, 245 

 key to species: males, 246 



brunea, 246 



califica, 246 



mereca, 246 



oregonense, 246 



pterna, 246 

 Glossosomatinae, 238 

 Glyphopsyche, 259, 261 



irrorata, 261 

 Glyptotendipes, 409, 411, 412, 423 

 Gnats, 372 



Goeridae, 237, 242, 243 

 Gomphaeschna, 109, 119 

 Gomphidae, 108, 109, 110, 114 

 key to genera: adults, 114; naiads, 

 114 

 Gomphoides, 114 

 Gomphus, 114, 117 

 key to species: males, 118; females, 

 118; nymphs, 118 



confraternus confraternus, 117, 118 



confraternus donneri, 117, 118 



intricatus, 117, 118, 119 



kurilis, 117 



olivaceous, 117, 118, 119 



sobrinus, 117 

 Gonielmis, 358, 360, 362 



dietrichi, 362 

 Goniops, 444 

 Gonomyia, 379, 381 



aciculifera, 383 



californica, 383 



cinerea, 383 



coloradica, 383 



flavibasis, 383 



hesperia, 383 



lindseyi, 383 



percomplexa, 383 



pelingi, 383 



poliocephala, 383 



proserpina, 383 



spinifer, 383 



tuberculata, 383 



virgata, 383 

 Graphoderus, 307, 312, 313 



occidentalis, 322 



Graptocorixa, 191, 193 



key to species: 193 



abdominalis, 194 



californica, 193, 194 



serrulata, 193 



uhleri, 194 



uhleroidea, 194 

 Grasshoppers, 154 

 Ground beetles, 299 

 Grouse locusts, 154 

 Growth and development, 70 

 Gymnocerata, 187, 199 

 Gymnopa, 464, 466 

 key to species: adults, 466 



bidentata, 466 



tibialis, 466 

 Gymnopais, 403 

 Gymnopini, 464, 466 

 Gynacantha, 120, 123 



nervosa, 123 



trifida, 123 

 Gyretes, 328, 329 



californicus, 330 



sinuatus, 330 

 Gyrinidae, 293, 297, 298, 326 

 key to genera; adults, 329; larvae 

 329 

 Gyrininae, 329 

 Gyrinoidea, 298 

 Gyrinophagus, 327 



dineutus, 327 

 Gyrinus, 327, 328, 329 

 key to species: adults, 329 



