Phyllonorvcter trinotella, 130 
whitemarked tussock moth, 227 
flowers, seeds, fruits— 
Japanese beetle, 271 
Obrussa sericopeza, 125 
sucking insects— 
Norway maple aphid, 79 
Maple, red: 
foliage— 
Acleris chalybeana, \7\ 
American dagger moth, 236 
Choristoneura fractivittana, 169 
definite-marked tussock moth, 228 
elm spanworm, 196 
gouty vein midge, 442 
green oak caterpillar, 219 
Itame pustularia, 191 
Lithophane laticinerea, 237 
maple leafcutter, 125 
maple leafminer, 130 
maple trumpet skeletonizer, 157 
maple webworm, 180 
ocellate gall midge, 443 
Pandemis lamprosana, 161 
Phigalia titea, 193 
Phyllonorycter trinotella, 130 
Plagodis serinaria, 195 
Sciaphillus asperatus, 320 
Sparganothis acerivorana, 161 
willow flea weevil, 334 
winter moth, 189 
bark, wood, twigs— 
Actenodes acornis, 285 
Chrysobothris sexsignata, 283 
viridiceps, 283 
Columbian timber beetle, 369 
gallmaking maple borer, 310 
maple callus borer, 142 
red maple cambium borer, 449 
Xylosandrus zimmermanni, 374 
buds, shoots, roots— 
Sciaphillus asperatus, 320 
sucking insects— 
Cryptococcus williamsi, 102 
Maple, silver: 
foliage — 
flatheaded appletree borer, 281 
maple bladdergall mite, 31 
Vasates aceris-crummena, 31 
whitemarked tussock moth, 227 
bark, wood, twigs— 
Columbian timber beetle, 369 
flatheaded appletree borer, 281 
Hemicoelus carinatus, 253 
Ptilinus ruficornis, 254 
sucking insects— 
cottony maple scale, 97 
woolly alder aphid, 80 
Maple, sugar: 
foliage— 
Acleris chalybeana, 17\ 
American dagger moth, 236 
Bruce spanworm, 189 
Caloptilia packardella, 132 
Choristoneura fractivittana, 169 
European snout beetle, 320 
forest tent caterpillar, 204 
gouty vein midge, 442 
green oak caterpillar, 219 
maple leafcutter, 125 
maple leafminer, 130 
maple trumpet skeletonizer, 157 
maple webworm, 180 
orangehumped mapleworm, 220 
Pandemis lamprosana, 161 
Phigalia titea, 193 
redhumped oakworm, 219 
saddled prominent, 220 
Sciaphillus asperatus, 320 
Sparganothis acerivorana, 161 
Vasates aceris-crummena, 31 
bark. wood, twigs— 
Columbian timber beetle, 369 
Hemicoelus carinatus, 253 
maple callus borer, 142 
pitted ambrosia beetle, 370 
Prilinus ruficornis, 254 
red maple cambium borer, 449 
sugar maple borer, 290 
buds, shoots, roots— 
European snout beetle, 320 
Proteoteras moffatiana, 156 
Sciaphillus asperatus, 320 
sucking insects— 
Cryptococcus williamsi, 102 
maple mealybug, 92 
Neosteingelia texana, 90 
Norway maple aphid, 79 
Mesquite: 
Aneflus protensus, 308 
banded ash borer, 294 
mesquite borer, 287 
Oncideres pustulatus, 301 
Mimosa: 
Epicauta torsa, 243 
Moss, Spanish: 
Quadraspidiotus tillandsiae, \21 
Spanish moss orthezia, 90 
Mountain-ash: 
foliage— 
apple-and-thorn skeletonizer, 145 
Hedya chionosema, 160 
Japanese beetle, 271 
Lomgarapha vestaliata, 190 
Machimia tentoriferella, 132 
mountain-ash sawfly, 404 
Paria quadrinotata, 266 
pear sawfly, 401 
pearleaf blister mite, 31 
yellownecked caterpillar, 216 
bark, wood, twigs— 
American plum borer, 186 
apple bark borer, 142 
roundheaded appletree borer, 297 
shothole borer, 356 
flowers, seeds, fruits— 
apple fruit moth, 140 
Japanese beetle, 271 
sucking insects— 
birch lace bug, 65 
Cerococcus kalmiae, 105 
scurfy scale, 109 
woolly apple aphid, 79 
Mountain-ash, American: 
mountain-ash sawfly, 404 
555 
