Willow—Continued 
leaf feeders—Continued 
612 
mites, Hotetranychus populi, 7 
weldoni, 7 
moths and butterflies: 
Acronicta distans, 308 
leporina vulpina, 308 
oblinita, 308 
Agonopterix argillacea, 395 
American dagger moth, 308 
Amorbia humerosana, 374 
Anacampsis innocuella, 393 
Archips purpuranus, 378 
Argyrotaenia mariana, 385 
bagworms 921-3411, e472, 475, 
477, 478 
brown-tail moth, 24, 325, 4380, 
431, 469, 472, 476 
Bruce spanworm, 336 
buck moth, 299 
cecropia moth, 298, 477 
Cerura borealis, 318 
cincerea, 318 
multiscripta, 318 
occidentalis, 318 
chain-spotted geometer, 345 
cottonwood dagger moth, 308 
Deilinea erythemaria, 337 
variolaria, 338 
Deuteronomos magnarius, 346 
Eulype hastata, 337 
Evora hemidesma, 360 
fruit-tree leaf roller, 377 
Gracillaria purpuriella, 409 
gypsy moth, 12, 18, 19, 24, 25, 
287-625 Come lu el Zone 320, 
430, 481, 469, 472, 474, 476, 
483 
Hemerocampa definita, 319 
Hemileuca nevadensis, 300 
hickory tussock moth, 304 
Hyperaeschra stragula, 313 
Hyperetis amicaria, 342 
Ichthyura apicalis, 311 
brucei, 311 
strigosa, 311 
io moth, 299 
large aspen tortrix, 383 
Limenitis arthemis, 294 
astyanax, 294 
luna moth, 298 
Lycia ursaria, 342 
mourning-cloak butterfly, 293 
Nadata gibbosa, 313 
Notodonta simplaria, 318 
Nymphalis j-album, 292 
oblique-banded leaf roller, 383 
Oiketicus abbotii, 411 
oriental moth, 347, 349, 431, 
484 
Orthosia hibisci, 309 
Pandemis limitata, 375 
Paonias excaecatus, 297 
pepper and salt moth, 346 
Pero morrisonarius, 344 
Pheosia rimosa, 313 
polyphemus moth, 299 
poplar tent maker, 310 
Willow—Continued 
leaf feeders—Continued 
moths and butterflies—Con. 
prairie tent caterpillar, 330 
Prochoerodes transversata, 
346 
Protobarmia porcelaria, 346 
Raphia frater, 309 
red-humped catervillar, 316 
satin moth, 24, 324, 4380, 470, 
472, 475, 483 
Schizura itpomaeae, 317 
leptinoides, 317 
Smerinthus jamaicensis, 297 
Sparganothis sulfureana, 375 
Sphinx luscitiosa, 296 
spiny-elm caterpillar, 293 
spotted tussock moth, 305 
Synchlora aerata, 336 
Tetralopha asperatella, 62, 
351, 352 
unicorn caterpillar, 317 
viceroy butterfly, 293 
western tent caterpillar, 330 
white-marked tussock moth, 
318, 476, 478, 483 
winter moth, 3386 
sawflies: 
Arge clavicornis, 437 
birch sawfly, 437 
elm sawfly, 438, 472 
Nematus limbatus, 461 
salicisodoratus, 461 
Pristiphora sycophanta, 459 
Trichiocampus irregularis, 
461 
viminalis, 23, 
461 
Trichiosoma triangulum, 488 
willow sawfly, 461 
willow shoot sawfly, 467 
root feeders— 
Asiatic garden beetle, 149, 485 
European snout beetle, 219 
Phyllophaga crenulata, 148 
drakei, 146 
forsteri, 148 
implicta, 148 
luctuosa, 147 
prunina, 148 
tristis, 148 
Polydrusus impressifrons, 23, 
220 
sucking insects— 
Brochymena quadripustulata, 62 
Chionaspis lintneri, 109 
salicisnigrae, 109 
Corythucha elegans, 64 
mollicula, 63 
pallipes, 63 
cottony maple scale, 101 
giant bark aphid, 82 
Idiocerus spp., 69 
Lecanium caryae, 106 
Macropsis spp., 69 
obscure scale, 108 
Omalophora salicis, 74 
oystershell scale, 109, 110, 475 
