Plum—Continued 
leaf feeders—Continued 
moths and butterflies—Con. 
palmerworm, 393 
prairie tent caterpillar, 330 
Sphinx drupiferarum, 297 
unspotted leaf miner, 408 
viceroy, 293 
western tent caterpillar, 330 
sawflies: 
Neurotoma inconspicua, 485 
pear slug, 457 
root feeders— 
European snout beetle, 219 
Polydrusus impressijrons, 28, 
220 
Plum, beach: 
brown-tail moth, 24, 325, 430, 431, 
469, 472, 476 
Sphinx drupiferarum, 297 
Poplar (Populus spp): 
ant, black carpenter, 484, 486 
bark feeder— 
poplar borer, 185, 483 
borers, bark and phloem— 
broad-necked root borer, 200 
bronze poplar borer, 162 
Cucujus clavipes, 124 
Micracis swainei, 253 
poplar borer, 185, 483 
borers, shoot and twig— 
Gypsonoma haimbachiana, 369 
Micrasis swainei, 253 
borers, root— 
beetles: 
Agrilus horni, 162 
broad-necked root borer, 200 
Polydrusus impressifrons, 23, 
220 
moths: 
Aegeria tibialis, 398 
hornet moth, 398 
borers, wood— 
beetles: 
Agrilus horni, 162 
Dicerca tenebrica, 168 
Lyctus spp., 127 
Micracis swainei, 253 
oak timberworm, 208 
Oberea schaumi, 190 
Platypus compositus, 273 
Poecilonota cyanipes, 169 
poplar borer, 185, 483 
poplar-butt borer, 202 
poplar and willow borer, 218 
Ptilinus pruinosus, 133 
Saperda concolor, 188 
moesta, 188 
sapwood timberworm, 126 
Sinodendron rugosum, 145 
twig girdler, 192 
Trypodendron retusum, 268 
Xylotrechus annosus, 203 
moths and butterflies: 
Acossus centerensis, 388 
populi, 388 
Aegeria tibialis, 398 
American plum borer, 359 
22 
Poplar—Continued 
borers, wood—Continued 
moths and butterflies—Con. 
carpenterworm, 388 
Conopia acerrubri, 402 
hornet moth, 398 
leopard moth, 386 
Paranthrene dollii castanea, 
402 
dollui dollu, 402 
tabaniformis, 402 
tricincta, 402 
sawflies: 
Urocerus cressoni, 466 
willow shoot sawfly, 467 
bud and blossom feeders— 
Eriophyes parapopuli, 7 
fruit-tree leaf roller, 377 
gall insects— 
Ectodemia populella, 4138 
Eriophyes parapopuli, 7 
Melanogromyza schineri, 427 
Pemphigus spp., 79 
poplar vagabond aphid, 85 
Prodiplosis morrisi, 420 
Saperda concolor, 188 
moesta, 188 
leaf feeders— 
beetles: 
bronze poplar borer, 162 
Chrysomela crotchi, 22, 123 
knabi, 138 
cottonwood leaf beetle, 138 
European snout beetle, 219 
goldsmith beetle, 152 
Graphognathus spp., 224 
imported willow leaf beetle, 
143, 477 
Japanese beetle, 19, 151, 485, 
486 
Polydrusus impressifrons, 23, 
220 
Zengophora scutellaris, 28, 144 
butterflies: 
mourning-cloak butterfly, 293 
Nymphalis j-album, 292 
tiger swallowtail, 291 
viceroy, 293 
mites: 
Eotetranychus populi, 7 
weldoni, 7 
moths: 
Abbottana clementaria, 346 
Acronicta distans, 308 
leporina vulpina, 
308 
Anacampsis innocuella, 393 
Anacamptodes larvaria, 338 
Archips purpuranus, 378 
aspen blotch miner, 407 
aspen leaf miner, 408 
bagworm. 21. 41) e4v25 410; 
477, 478 
Brephos infans, 334 
Bruce spanworm, 336 
cecropia moth, 298, 477 
Cerura spp., 318 
chain-spotted geometer, 345 
603 
