Hackberry—Continued 
borers, wood—Continued 
twig girdler, 191, 502 
twig pruner, 192 
Thysanoes fimbricornis, 253 
Xyleborus affinis, 270 
gall insects— 
blistergall psyllid, 76 
bud-gall psyllid, 76 
hackberry stargall, 76 
hackberry-nipple-gall maker, 76 
Pachypsylla celtidisinteneris, 77 
petiole-gall psyllid, 77 
leaf feeders— 
Asterocampa celtis, 294 
clyton, 294 
mourning cloak butterfly, 293 
Oiketicus abbotti, 411 
oriental moth, 347, 349, 4381, 484 
Polygonia interrogationis, 292 
puss caterpillar, 349 
Sphinx drupiferarum, 297 
sucking insects— 
Corythucha celtidis, 63 
cottony maple scale, 101 
elm scurfy scale, 108 
European fruit lecanium, 105, 
A475 
gloomy scale, 108 
mulberry whitefly, 92 
psyllids, 76 
obscure scale, 108 
Putnam scale, 108 
termite, Formosan subterranean, 
50 
Hardwoods: 
bark feeders— 
rustic borer, 202 
borers, bark and phloem— 
broad-necked root borer, 200 
dogwood borer, 398 
hickory bark beetle, 237 
pecan borer, 398 
Pseudopityophthorus minutissi- 
mus, 255 
two-lined chestnut borer, 160 
borers, buds and shoots— 
fruit-tree leaf roller, 377 
Orthosia hibisci, 309 
Polydrusus impressifrons, 28, 
220 
spined bark borer, 192 
borers, root— 
broad-necked root borer, 200 
borers, wood— 
beetles: 
ambrosia beetle, 17, 21, 120, 
124, 264 
ash and privet borer, 199 
banded hickory borer, 178 
brown prionid, 205 
Columbian timber beetle, 265 
Cossonus cossonus, 223 
impressifrons, 223 
impressus, 223 
platalea, 223 
Dendrobiella aspera, 136 
sericans, 136 
576 
Hardwoods—Continued 
borers, wood—Continued 
beetles—Continued 
Dicerca divaricata, 168 
obscura, 168 
Dircacea quadrimaculata, 125 
flat-headed apple tree borer, 
165, 478 
heartwood stump borer, 205 
hickory spiral borer, 163 
Holostrophus bifasciatus, 125 
Hypothenemus dissimilis, 254 
georgiae, 254 
ivory-marked beetle, 192 
Lichenophanes armiger, 136 
living-beech borer, 183 
Melandrya striata, 125 
Monarthrum fasciatum, 267 
mali, 267 
oak timberworm, 208 
painted hickory borer, 178 
pear blight beetle, 269 
Petalium bistriatum bistria- 
tum, 133 
Platypus flavicornis, 272 
quadridentatus, 273 
pole borer, 197 
powder-post beetles, 17, 21, 
126, 128, 155 
Pseudopityophthorus minutis- 
simus, 255 
red-headed ash borer, 184 
rustic borer, 202 
sapwood timberworm, 126 
snout beetles, 208 
spined bark borer, 192 
Stenoscelis brevis, 2238 
twig pruner, 192 
two-lined chestnut borer, 160 
Xyleborus affinis, 270 
pecanis, 271 
saxeseni, 269 
Xyletinus peltatus, 132 
Xylobiops basilaris, 134, 502 
Xyloblaptus quadrispinosus, 
136 
Xylosandrus germanus, 271 
horntails, 465 
moths and butterflies: 
American plum borer, 359 
carpenterworm, 388 
leopard moth, 386 
ten eastern subterranean, 
4 
fruit and seed borers and 
feeders— 
fruit flies, 424 
Hypothenemus georgiae, 254 
Japanese beetle, 19, 151, 485, 
486 
rose chafter, 150 
vinegar flies, 425 
leaf feeders— 
ant, Texas leafcutting, 490 
beetles: 
Asiatic garden beetle, 149, 
485 
Brachys spp., 169 
