Oak—Continued 
sucking insects— Continued 
scales— Continued 
Kermes galiiformis, 107, 140 
kingii, 107, 140 
pettiti, 107, 140 
pubescens, 107, 140 
trinotatus, 107, 140 
obscure scale, 149 
pit-making oak scale, 148, 614 
yellow oak scale, 142’ 
Oak, bear— 
pit-making oak scale, 143 
Oak, black— 
gal! insects— 
Andricus aquaticae, 596 
Callirhytis (A.) operator, 599 
gouty oak gall, 594 
horned oak gall, 595-596 
large oak-apple gall, 597, 598 
ribbed bud gall, 596 
leaf feeders— 
beetles— 
Dichelonyz elongata, 172 
Phyllophaga drakei, 171 
soror, 178 
rose chafer, 173 
butterflies and moths— 
Archips fervidana, 478, 479 
Argyrotaenia quercifoliana, 482 
Erynnis icelus, 371 
juvenalis, 371 
oak skeletonizer, 496 
sawfly— 
Periclista quercus, 582 
walkingstick, 97 
Oak, blackjack— 
gall insect— 
horned oak gall, 595-596 
leaf feeder— 
white-fringed beetle, 287 
Oak, blue jack— 
ribbed bid gall, 596 
Oak, bur 
leaf feeder— 
red-humped oak worm, 401 
sucking insect— 
pit-making oak scale, 143 
Oak, California white— 
Disholcaspis eldoradensis, 597 
Oak, Chapman— 
Callirhytis floridana, 594 
Oak, chestnut— 
borer, bark and phloem— 
oak-bark scarrer, 232, 263 
gall insect— 
Itonida sp., 517 
sucking insects— 
scales— 
Asterolecanium quercicola, 143 
pit-making oak scale, 143 
thrips— 
Liothrips umbripennis, 80 
Oak, chinquapin— 
oak fig gall, 598, 599 
Oak, English— 
Asterolecanium quercicola, 143 
pit-making oak scale, 143, 614 
Oak, ground— 
Seirarctia echo, 388 
Oak, pin— 
borer, twig and stem— 
Ecctoedemia heinrichi, 502 
gall insects— 
midge— 
vein pocket gall, 516 
wasps— 
horned oak gall, 595-596 
succulent oak gall, 598-599 
leaf feeders— 
moths— 
Argyrotaenia quercifotiana, 482 
sawfly— 
Caliroa lineata, 565 
Oak, post and dwarf post— 
Callirhytis floridana, 594 
Oak, red— 
borer, twig and shoot— 
apple twig borer, 223, 226 
18 
Oak, red—Continued 
gall insects— 
midge— 
eak Bi pill gall, 517 
Callirhytis (A.) operator, 599 
gouty oak gall, 594 
large oak-apple re 597, 598 
ribbed bud gall, 596 
succulent oak gall, 598-599 
leaf feeders— 
butterflies and moths— 
Archips fervidana, 478, 479 
Argyrotaenia gquercifotiana, 482 
Erynnis icelus, 371 
juvenalis, 371 
oak skeletonizer, 496 
midge— 
Agromyza viridula, 521 
sawfly— 5 
Periclista purpuridorsum, 582 
sucking insects— 
Asterolecanium quercicola, 143 
pit-making oak scale 143 
Oak, scarlet— 
gall insects— 
Callirhytis (A.) operator, 599 
large oak-apple gall, 597 
leaf feeders— 
moths— 
Archips fersidand: 478, 479 
Symmerista albifrons, 403 
sawfly— 
Periclista similaris, 582 
sucking inseet— 
pit-making oak scale, 143 
Oak, scrub— 
gall insects— 
midge— 
vein pocket gall, 516 
wasps— 
Callirhytis (A.) operator, 599 
horned oak gall, 595-596 
oak fig gall, 598, 599 
leaf feeders— 
butterflies and moths— 
Archips fervidana, 478, 479 
Erynnis icelus, 371 
juvenalis, 371 
Melsheimer’s sack-bearer, 438 
sawfly— 
Periclista quercus, 582 
Oak, swamp white— 
gall insect— 
oak flake gall, 597, 598 
leaf feeder— 
Periclista diluta, 582 
sucking insects— 
Asterolecanium quercicola, 143 
pit-making oak scale, 143 
Oak, water— 
gall insects— 
Andricus aquaticae, 596 
gouty oak gall, 595 
horned oak gall, 595-596 
leaf feeder— 
Phyllophaga soror, 178 
Oak, white— 
borers, bark and phloem— 
oak-bark scaler, 232, 247 
oak-bark scarrer, 232, 263 
borers, wood— 
Agrilaria flavimana, 197 
banded ash borer, 253 
chestnut timber worm, 220 
oak timber worm, 280 
white-oak borer, 248 
gall insects— 
Callirhytis futilis, 600 
radicis, 600 
oak fig gall, 598, 599 
oak potato gall, 596, 597 
leaf feeders— 
moths— 
Argyrotaenia quercifoliana, 482 
brown-tail moth, 412-414 
gregarious oak leaf miner, 492 
oak skeletonizer, 496 
red-humped oak worm, 401 
Symmerista albifrons, 403 
was 
