Eugnamptus striatus, 319 
gall midges, 442 
Aylocurus rudis, 367 
Hypothenemus interstitialis, 368 
leopard moth, 145 
Micracis suturalis, 367 
painted hickory borer, 287 
Petalium bistriatum, 254 
powderpost beetle, 255 
Pseudothysanoes lecontei. 356 
twig pruner, 302 
white oak borer, 292 
Xyleborinus saxeseni, 374 
Xyleborus ferrugineus, 373 
rubricollis, 374 
buds, shoots, roots— 
Japanese beetle, 271 
pecan leaf casebearer, 181 
Phyllophaga forsteri, 269 
implicita, 269 
luctuosa, 268 
prunina, 269 
walnut shoot moth, 181 
sucking insects— 
Chionaspis caryae, 111 
lintneri, 111 
common falsepit scale, 104 
giant bark aphid, 77 
large hickory lecanium, 95 
Orthezia pseudinsignis, 90 
periodical cicada, 74 
tuliptree scale, 99 
twomarked treehopper, 7! 
Walnut, black: 
foliage— 
butternut woollyworm, 409 
Eriophyes caulis, 31 
flatheaded appletree borer, 281 
Gretchena bolliana, 160 
concitatricana, 160 
luna moth, 207 
walnut sphinx, 215 
bark, wood, twigs— 
flatheaded appletree borer, 281 
sapwood timberworm, 248 
walnut sphinx, 215 
Xylosandrus zimmermanni, 374 
buds, shoots, roots— 
Acrobasis demotella, 181 
pecan cigar casebearer, 133 
flowers, seeds, fruits— 
Conotrachelus retentus, 337 
walnut husk fly, 448 
sucking insects— 
walnut lace bug, 65 
Walnut, English: 
walnut scale, 119 
Weigela: 
Asterolecanium arabidis, 106 
White-cedar: 
cryptomeria scale, 107 
false hemlock looper, 198 
strawberry root weevil, 321 
White-cedar, Atlantic: 
bagworm, 126 
White-cedar, northern: 
foliage— 
arborvitae leafminer, 140 
574 
Argvresthia aureoargentella, 140 
freyella, 140 
bagworm, 126 
Coleotechnites thujaella, 135 
Monoctenus fulvus, 384 
suffusus, 384 
pales weevil, 323 
Platytetranychus thujae, 3 
red carpenter ant, 432 
bark, wood, twigs— 
Melanophila acuminata, 284 
pales weevil, 323 
Phloeosinus canadensis, 352 
buds, shoots, roots— 
arborvitae weevil, 320 
black vine weevil, 321 
pales weevil, 323 
sucking insects— 
Cinara tujafilina, 78 
Fletcher scale, 96 
juniper scale, 108 
minute cypress scale, 108 
Nuculaspis pseudomeyeri, 117 
Willow: 
foliage— 
Acronicta disians, 236 
Agonopterix argillacea, 132 
Altica subplicata, 263 
American dagger moth, 236 
Anacampsis innocuella, 137 
apple-and-thorn skeletonizer, 145 
Archips purpuranus, 164 
Arge clavicornis, 382 
Asiatic garden beetle, 270 
bagworm, 126 
basswood leafminer, 263 
birch sawfly, 382 
blinded sphinx, 215 
browntail moth, 233 
Bruce spanworm, 189 
Cabera erythemaria, 190 
variolaria, 190 
Calligrapha multipunctata bigsbyana, 
262 
— 
Caloptilia stigmatella, 132 
cecropia moth, 206 
Cerura borealis, 223 
cinerea, 223 
multiscripta canadensis, 223 
occidentalis, 223 
chainspotted geometer, 199 
Chrysomela knabi, 260 
Clostera apicalis, 216 
brucei, 216 
strigosa, 216 
Compton tortoiseshell, 174 
cottonwood dagger moth, 236 
cottonwood leaf beetle, 260 
Dasychira obliquata, 229 
vagans, 229 
definite-marked tussock moth, 228 
elm sawfly, 382 
Eotetranychus populi, 31 
weldoni, 31 
European snout beetle, 320 
Euura spp., 409 
Evora hemidesma, 149 
false-sphinx, 218 
