Walnut, black—Continued 
leaf feeders—Continued 
moths and butterflies—Con. 
Ectropis crepuscularia, 339 
fruit-tree leaf roller, 377 
hickory horned devil, 303 
hickory tussock moth, 304 
luna moth, 298 
pecan cigar casebearer, 404 
pecan leaf casebearer, 353 
polyphemus moth, 299 
regal moth, 303 
variable oak leaf caterpillar, 
315 
walnut caterpillar, 312, 472 
walnut sphinx, 297 
yellow-necked caterpillar, 311 
sawfly: 
Eriocampa juglandis, 464 
root feeders— 
Japanese beetle, 19, 151, 485, 486 
Japanese weevil, 219 
Phyllophaga forsteri, 148 
implicta, 148 
luctuosa, 147 
prunina, 148 
sucking insects— 
Corythucha juglandis, 64 
European fruit lecanium, 105, 
475 
giant bark aphid, 82 
Lecanium caryae, 106 
periodical cicada, 74 
scurfy scale, 108 
tuliptree scale, 103 
walnut scale, 107 
Willow: 
ant, black carpenter, 484, 486 
bark feeders— 
elm sawfly, 438, 472 
poplar borer, 185, 483 
borers, bark and phloem— 
cottonwood borer, 179 
flat-headed apple tree borer, 165, 
478 
Hypothenemus salicis, 254 
Marmara spp., 408 
poplar borer, 185, 483 
Thamnosphecia sigmoidea, 399 
borers, cone— 
Conopia proxima, 402 
borers, root— 
Aegeria tibialis, 398 
Conopia proxima, 402 
cottonwood borer, 179 
hornet moth, 398 
Polydrusus impressifrons, 23, 
220 
Sthenopis thule, 413 
borers, wood— 
beetles: 
Chrysobothris azurea, 167 
cottonwood borer, 179 
Dicerca tenebrica, 168 
flat-headed apple tree borer, 
165, 478 
hardwood stump borer, 205 
Willow—Continued 
borers, wood—Continued 
beetles—Continued 
Hypothenemus salicis, 254 
Magdalis salicis, 225 
Micracis meridianus, 253 
swainei, 253 
Oberea ferruginea, 190 
Platypus compositus, 273 
Poecilonota thrueura, 170 
poplar borer, 185, 483 
poplar-and-willow borer, 218 
Pseudolucanus capreolus, 145 
Saperda concolor, 188 
imitans, 188 
moesta, 188 
mutica, 188 
Sinodendron rugosum, 145 
moths and butterflies: 
Aegeria tibialis, 398 
carpenter worm, 388 
Conopia proxima, 402 
hornet moth, 398 
leopard moth, 386 
Paranthrene dollii castanea, 
402 
d. dollii, 402 
catkin feeder, Xyela spp., 432 
gall insects— 
Amphibolips fulginosa, 481 
Euura spp., 465 
Oberea ferruginea, 190 
Rhabdophaga sp., 23 
Saperda concolor, 188 
moesta, 188 
willow-beaked gall midge, 420 
leaf feeders— 
beetles: 
Altica suplicata, 142 
Asiatic garden beetle, 149, 485 
basswood leaf miner, 141 
Calligrapha multipunctata 
bigsbyana, 140 
Chrysomela knabi, 138 
cottonwood leaf beetle, 138 
elm cailigrapha, 140 
European snout beetle, 219 
flat-headed apple tree borer, 
165, 478 
goldsmith beetle, 152 
imported willow leaf beetle, 
143, 477 
Pachybrachys tridens, 145 
Phyllophaga crenulata, 148 
drakei, 146 
forsteri, 148 
wmplicta, 148 
luctuosa, 147 
prunina, 148 
tristis, 148 
Polydrusus impressifrons, 23, 
220 
Pyrrhalta decora decora, 140 
tuberculata, 140 
willow flea weevil, 222 
grasshopper, Conocephalus bre- 
vipennis, 59 
611 
