422 



INDEX 



Duck lice, loi 

 Dung-eating beetles, 301 

 Dust spraying, 382 

 Dytiscidae, 282 



Earwigs, 102, 106 

 Ear worm, corn, 195 

 Eccoptogaster rugulosus, 78, 339 

 Ecdysis, 34 

 Ecological sciences, 65 

 Ectobia germanica, 92, 103, 105 

 Eel worms, 371 

 Eight-spotted forester, 183 

 Elaphidion villosum, 89, 324 

 Elateridae, 283, 293 

 Elm bark louse, 89, 130 



borer, 89 



leaf beetle, 63, 88, 309 



saw fly, 88, 347 

 Embryology, 30-33 

 Emphytus, 87, 349 

 Empoa rosae, 156 

 Empoasca mali, 155 

 Empusa, 46 

 Endelomyia rosie, 348 



asthiops, 349 

 English grain aphis, 71 

 Ennomidse, 206 

 Ennomos, 88 

 Entomobryidaj, 96 

 Entomophagous, 40 

 Entomophthora, 46 

 Entomoscelis adonidis, 76, 309 

 Ephemerida, 97, 98 

 Ephestia kuehniella, 74, 213 

 Epicauta cinerea, 37, 38, 77, 325 



marginata, 326 



pennsylvanica, 77, 326 



vittata, 37, 326 

 Epicerus imbricatus, 78, 82 

 Epilachna borealis, 290, 291 

 Epitrimerus pyri, 368 

 Epitrix cucumeris, 77, 313 



subscrinata, 314 



Epochra, 264 



canadensis, 85, 265 

 Erannis defoliaria, 207 



tiliaria, 88, 206 

 Eriocampoides limacina, 82, 348 

 Eriococcus, 124 

 Eriopeltis festucae, 130 

 Eriophyes pyri, 368 

 Eriophyidae, 364, 368 

 Eriosoma, 138 

 Eris talis, 251 

 Eruciform larva, 33 

 Erythroneura vitis, 155 

 Escherich, Dr., 34, 35 

 Estigmene acrasa, 181 

 Eucosmidae, 218 . 

 Euonymus scale, 128 

 Eupelmus, 354 

 Euphoria, 302 



inda, 80, 305 

 Euproctis chrysorrhoea, 88, 200 

 European corn borer, 72, 212 



earwig, 106 



fruit lecanium, 1 29 



grain aphis, 71, 141 

 Eurymus eurytheme, 176 

 Eutettix tenella, 46, 155 

 Euthrips tritici, 122 

 Euxoa auxiliaris, 58 



excellens, 188 



messoria, 186 



ochrogaster, 187 



tesselata, 187 

 Evergestis rimosalis, 209 

 Evergreen bagworm, 207 

 External anatomy, 2-19 

 Eyed elater, 78 

 Eyes, II 



Factors of insect control, 373 



Fall army worm, 192 

 canker worm, 205 

 webworm, 79, 87, 181 



False tarnished plant bug, 164 



