Elm—Continued 
leaf feeders—Continued 
moths and butterflies—Con. 
imperial moth, 303 
i0 moth, 299 
linden looper, 341 
Lycia ursaria, 342 
Machimia tentoriferella, 395 
maple leaf cutter, 413 
mourning cloak butterfly, 293 
Nerice bidentata, 314 
Pandemis lamprosana, 375 
limitata, 375 
pepper and salt moth, 346 
Phigalia titea, 25, 339 
Polygonia comma, 292 
interrogationis, 292 
polyphemus moth, 299 
puss caterpillar, 349 
red-humped oakworm, 314 
Schizura ipomaeae, 317 
leptinoides, 317 
spring cankerworm, 339 
Symmerista albifrons, 314 
Tetralopha asperatella, 62, 
351, 352 
Tolype velleda, 333 
unicorn caterpillar. 317 
variable oak leaf caterpillar, 
315 
white-marked tussock moth, 
318, 476, 478, 483 ~- 
winter moth, 336 
yellow-necked caterpillar, 311 
sawflies: 
Arge spp., 437 
scapularis, 437 
elm leaf miner, 455 
elm sawfly, 438, 472 
Macroxyela sp., 433 
walkingstick: 
Diapheromera femorata, 55, 
57 
nesting insect— 
black carpenter ant, 484 
root feeders— 
Phyllophaga dralcei, 146 
forsteri, 148 
implicta, 148 
prunina, 148 
tristis, 148 
sucking insects— 
Brochymena quadripustulata, 62 
buffalo treehopper, 70 
Colopha ulmisacculi, 85 
Corythucha pergandei, 64 
cottony maple scale, 101 
elm coxcomb gall aphid, 85 
elm lacebug, 63 
elm scurfy scale, 108 
European elm scale. 108 
European fruit lecanium, 105, 
A475 
giant bark aphid, 82 
gloomy scale, 108 
Gobaishia ulmifusa, 85 
Gyponana spp., 69 
Lecanium caryae, 106 
O74 
Elm—Continued 
sucking insects—Continued 
Myzocallis ulmifolii, 84 
Neolygus invitus, 65 
obscure scale, 108 
oystershell scale, 109, 110, 475 
periodical cicada, 74 
Ponana spp., 69 
Putnam scale, 108 
San Jose scale, 106 
Scaphoideus spp., 69 
scurfy scale, 108 
white-banded elm leafhopper, 69, 
500 
woolly apple aphid, 84 
woolly elm bark aphid, 84 
termite, Formosan subterranean, 
50 
Ficus spp.: 
fig-tree borer, 199 
Lymire edwardsii, 304 
Fig tree, see Ficus 
Fir, balsam: 
- bark feeders— 
Acanthocinus obsoletus, 196 
pusillus, 196 
Hylastes tenuis, 252 
pales weevil, 213 
white-spotted sawyer, 208 
borers, bark and phloem— 
beetles: 
balsam fir sawyer, 205 
Crypturgus atomus, 239 
eastern larch borer, 199 
four-eyed spruce bark beetle, 
264 
Hylastes tenuis, 252 
Melanophila acuminata, 169 
drummondi, 169 
Northeastern sawyer, 205 
Orthotomicus caelatus, 263 
Pissodes dubius, 213 
Pityokteines sparsus, 263 
Pityophthorus balsameus, 255 
opaculus, 255 
patchi, 255 
pulchellus, 255 
spruce scolytus, 239 
Taeneoglyptes fraseri, 259 
moths and butterflies: 
Marmara spp., 408 
borers, cone— 
Eucosma tocullionana, 368 
spruce coneworm, 355 
borers, wood— 
beetles: 
Acanthocinus pusillus, 196 
Anoplodera canadensis, 196 
balsam fir sawyer, 205 
Chrysobothris neopusilla, 167 
scabripennis, 
167 
Gnathotrichus materiarius, 
268 
hemlock borer, 168, 483 
Melanophila acuminata, 169 
drummondi, 169 
