Hophornbeam: 
foliage— 
Arge clavicornis, 382 
basswood leafminer, 263 
luna moth, 207 
maple leafcutter, 125 
Nematus ostryae, 406 
Nites betulella, 132 
Oligonychus letchworthi, 31 
Sciaphillus asperatus, 320 
winter moth, 189 
yellownecked caterpillar, 216 
bark, wood, twigs— 
Hypothenemus dissimilis, 367 
Pseudopityophthorus pruinosus, 363 
Pseudothysanoes lecontei, 356 
Thysanoes fimbricornis, 367 
buds, shoots, roots— 
Sciaphillus asperatus, 320 
sucking insects— 
birch lace bug, 65 
maple mealybug, 92 
Hophornbeam, eastern: 
Acleris chalybeana, 171 
banded hickory borer, 289 
birch lace bug, 65 
Cinvra gracilipes, 285 
luna moth, 207 
Parrott scale, 105 
pitted ambrosia beetle, 370 
Tymnes tricolor, 266 
winter moth, 189 
Hops: 
comma butterfly, 173 
Hoptree: 
Agonopterix pteleae, 132 
Hornbeam: See: hophornbeam 
Hornbeam, American: 
Acrobasis carpinivorella, 181 
birch and beech girdler, 310 
Chionaspis kosztarabi, 111 
Dicerca lurida, 284 
Nematus carpini, 406 
pitted ambrosia beetle, 370 
Pseudopityophthorus pruinosus, 363 
pubescens, 363 
striped alder sawfly, 407 
Xiphydria tibialis, 411 
Horsechestnut: See: buckeye 
Huckleberry: 
azalea bark scale, 103 
chainspotted geometer, 199 
I 
Incense-cedar: 
juniper scale, 108 
minute cypress scale, 108 
Ironwood: 
Pandemis lamprosana, 161 
Stilbosis ostryaeella, 135 
J 
Juniper: 
foliage— 
Aethes rutilana, 172 
Coleotechnites juniperella, 136 
Cudonigera houstonana, 169 
juniper midge, 442 
juniper webworm, 138 
‘Nn 
Nn 
N 
Monoctenus fulvus, 384 
suffusus, 384 
Platytetranychus thujae, 31 
bark, wood, twigs— 
blackhorned juniper borer, 304 
cedartree borer, 307 
Oeme rigida rigida, 309 
pales weevil, 323 
Phloeosinus scopulorum 
neomexicanus, 352 
small cedar-bark borer, 308 
buds, shoots, roots— 
strawberry root weevil, 321 
sucking insects— 
balsam twig aphid, 78 
Fletcher scale, 96 
Gillette eriococcin, 104 
juniper mealybug, 93 
juniper scale, 108 
Maskell scale. 115 
minute cypress scale, 108 
Nuculaspis pseudomeyert, 117 
round conifer scale, 107 
shortneedle evergreen scale, 117 
Juniper, California: 
Gillette eriococcin, 104 
Juniper, Irish: 
juniper webworm, 138 
Juniper, oneseed: 
juniper mealybug, 93 
Juniper, western: 
Gillette eriococcin, 104 
L 
Larch: 
foliage— 
Anomala lucicola, 271 
Argyrotaenia occultana, 171 
chainspotted geometer, 199 
false hemlock looper, 198 
fir needle inchworm, 190 
green larch looper, 191 
hemlock looper, 198 
joker, 237 
larch casebearer, 134 
larch sawfly, 402 
Melanolophia canadaria, 191 
Nepytia pellucidaria, 198 
onelined larch sawfly, 409 
Pero honestaria, 197 
morrisonaria, 197 
Protoboarmia porcelaria indicataria, 
200 
redbanded leafroller, 169 
redheaded pine sawfly, 384 
spruce budworm, 164 
threelined larch sawfly, 409 
Tolype laricis, 206 
whitemarked tussock moth, 227 
whitespotted sawyer, 313 
bark, wood, twigs— 
balsam fir bark beetle, 357 
blue horntail, 410 
Callidium violaceum, 304 
Chrysobothris blanchardi, 283 
dentipes, 283 
Crypturgus pusillus, 362 
Dryocoetes affaber, 361 
eastern larch beetle, 349 
