balsam bark weevil, 331 
black turpentine beetle, 346 
Cryphalus rubentis, 363 
ruficollis, 363 
Dryocoetes caryi, 362 
hemlock borer, 284 
northeastern sawyer, 314 
northern pine weevil, 329 
Pityogenes hopkinsi, 357 
Pityophthorus dentifrons, 364 
intextus, 364 
pulchellus, 364 
small spruce weevil, 331 
southern pine beetle, 343 
Strangalepta vittata, 306 
Trachysida mutabilis, 306 
Trigonarthris minnesotana, 306 
whitespotted sawyer, 313 
Xyloterinus politus, 371 
sucking insects— 
Adelges laricis, 84 
eastern spruce gall adelgid, 81 
pine leaf adelgid, 86 
pine spittlebug, 72 
red spruce adelgid, 86 
Zeiraphera unfortunana, 157 
flowers, seeds, fruits— 
spruce coneworm, 184 
spruce seed moth, 158 
sucking insects— 
balsam twig aphid, 78 
Cooley spruce gall adelgid, 82 
eastern spruce gall adelgid, 81 
pine spittlebug, 72 
Saratoga spittlebug, 73 
spruce gall adelgid, 86 
Tibicen canicularis, 75 
Strawberry: 
walkingstick, 50 
Sugarberry: 
blistergall psyllid, 76 
Sumac: 
foliage— 
Anacampsis rhoifructella, 137 
Arge coccinea, 382 
Attelabus nigripes, 319 
Episimus argutanus, 148 
Nephopteryx subfuscella, 186 
sumac datana, 217 
bark, wood, twigs— 
Dicerca obscura, 284 
Pityophthorus crinalis, 363 
lautus, 363 
scriptor, 363 
buds, shoots. roots— 
Spruce, Sitka: 
Cooley spruce gall adelgid, 82 
spruce seed moth, 158 
Spruce, white: 
folage— 
Acantholyda maculiventris, 380 
balsam fir sawfly, 390 
Cephalcia fascipennis, 380 
chainspotted geometer, 199 
Coleotechnites piceaella, 136 
early brown looper, 190 
eastern blackheaded budworm, 171 
Epinotia nanana, 158 
European spruce sawfly, 396 
false hemlock looper, 198 
fir needle inchworm, 190 
Griselda radicana, 160 
hemlock looper, 198 
Protoboarmia porcelaria indicataria, 
200 
redbanded leafroller, 169 
small conifer looper, 190 
spruce budworm, 164 
spruce harlequin, 237 
spruce needleminer, 149 
spruce seed moth, 158 
strawberry root weevil, 321 
whitespotted sawyer, 313 
yellowheaded spruce sawfly, 404 
bark, wood, twigs— 
Allegheny spruce beetle, 350 
Chrysobothris pusilla, 282, 283 
Cryphalus ruficollis, 363 
Dryocoetes caryi, 362 
hemlock borer, 284 
Ips latidens, 361 
northern engraver, 361 
northern pine weevil, 329 
northern spruce engraver, 361 
Pityophthorus dentifrons, 364 
intextus, 364 
spruce scolytus, 356 
whitespotted sawyer, 313 
sumac stem borer, 300 
flowers, seeds, fruits— 
Moodna ostrinella, 187 
Sumac, poison: 
Arge humeralis, 382 
Pityophthorus crinalis, 363 
Sumac, staghorn: 
Pitvophthorus scriptor, 363 
Sweetfern: 
Saratoga spittlebug, 73 
walkingstick, 50 
Sweetgum: 
foliage— 
Coleotechnites dorsivittella, 136 
forest tent caterpillar, 204 
hickory horned devil, 211 
imperial moth, 212 
luna moth, 207 
Nemorimyza posticata, 450 
Oiketicus abbotii, 126 
Phyllocnistis liquidambarisella, 131 
purplish-brown looper, 199 
redhumped caterpillar, 222 
regal moth, 211 
Tetralopha melanogrammos, 180 
bark, wood, twigs— 
American plum borer, 186 
birch bark beetle, 362 
Pityophthorus liquidambarus, 363 
Platypus compositus, 376 
twig pruner, 302 
Xvleborinus saxeseni, 374 
Xyleborus affinis, 374 
ferrugineus, 373 
sucking insects— 
common falsepit scale, 104 
Neosteingelia texana, 90 
Parrott scale, 105 
