Shadbush—Continued 
borers, fruit—Continued 
Hoplocampa halcyon, 464 
pallipes, 465 
borers, root— 
oak sapling borer, 183 
borers, seed— 
Megastigmus amelanchieris, 476 
borers, wood— 
oak sapling borer, 183 
roundheaded apple tree borer, 
187 
Synanthedon pyri, 399 
gall insects— 
Eriophyes pyri, 7 
leaf feeders— 
beetles: 
Phyllophaga spp., 146 
roundheaded apple tree borer, 
187 
willow flea weevil, 222 
mite: 
Oligonychus newcomeri, 6 
moths and butterflies: 
Argyrotaenia quadrifasciana, 
385 
Bruce spanworm, 330 
Bucculatrix pomifoliella, 409 
western tent caterpillar, 330 
sawfly: 
pear slug, 457 
sucking insects— 
Chionaspis salicisnigrae, 109 
Prociphilus fraxinifolii, 85 
woolly elm aphid, 84 
Sourwood: 
dogwood twig borer, 189 
twig girdler, 191, 502 
hickory horned devil, 303 
regal moth, 303 
Spruce (Picea spp.): 
ant, Allegheny mound, 491 
bark feeders— 
Acanthocinus pusillus, 196 
Hylastes salebrosus, 252 
tenuis, 252 
Hylurgops pinifex, 252 
pales weevil, 213 
white-pine weevil, 208, 4238, 426, 
475, 477 
borers, bark and phloem— 
Acanthocinus pusillus, 196 
Crypturgus atomus, 239 
Dryocoetes affaber, 263 
autographus, 263 
granicolhis, 264 
eastern spruce beetle, 247 
four-eyed spruce bark beetle, 
264 
Hylastes salebrosus, 252 
tenuis. 252 
Hylurgops pinifex, 252 
Ips borealis, 262 
Melanophila acuminata. 169 
drummondi, 169 
Neoclytus muricatulus, 184 
Orthotomicus caelatus, 263 
pales weevil, 213 
606 
Spruce—Continued 
borers, bark and phloem—Con. 
Phymatodes dimidiatus, 197 
pine engraver, 262 
pitch mass borer, 399 
Pityokteines sparsus, 263 
Pityophthorus opaculus, 255 
red turpentine beetle, 246 
spruce scolytus, 239 
borers, cone and seed— 
Dioryctria abietella, 28, 355 
Eucosoma tocullionana, 368 
spruce coneworm, 355 
spruce seed moth, 371 
borers, root— 
pales weevil, 213 
Thylacites incanus, 238, 220 
borers, wood— 
beetles: 
Anoplodera canadensis, 196 
peer juniper borer, 
19 
black-horned pine borer, 194 
Chrysobothris scabripennis, 
167 
trinervia, 167 
Dicerca tenebrosa, 168 
Ernobius mollis, 1338 
Gnathotrichus materiarius, 
268 
hemlock borer, 168, 483 
Hylotrupes, bajulus, 22, 206 
Melanophila acuminata, 169 
drummondi, 169 
Monochamus spp., 203 
Neoclytus muricatulus, 198 
old house borer, 206 
Semanotus litigiosus, 198 
spruce timber beetle, 268 
striped ambrosia beetle, 267 
white-spotted swayer, 203 
Xylotrechus undulatus, 203 
horntails: 
Sirex cyaneus, 466 
juvencus, 23, 466 
Urocerus albicornis, 466 
flavicornis, 466 
moths: 
Dioryctria abietella, 28, 355 
pitch mass borer, 399 
bud feeder— 
spruce bud moth, 369 
gall insects— 
Cooley spruce gall aphid, 87, 91 
Pineus floccus, 91 
similis, 91 
leaf feeders— 
beetles: 
European chafer, 150 
pales weevil, 213 
mite, spruce spider 
moths: 
Argyrotaenia occultana, 385 
bagworm, 21, 411, 472, 475, 
477, 478 
black-headed budworm, 385, 
472 
Epinotia nanana, 23, 371 
