Birch—Continued 
borers, wood—Continued 
beetles—Continued 
Conotrachelus anaglypticus, 
227 
Platypus compositus, 273 
poplar-and-willow borer, 218 
sapwood timberworm, 126 
Trypodendron betulae, 268 
Xyleborus obliquus, 271 
Xyloterinus politus, 264, 267 
horntails— 
pigeon tremex, 466 
Xiphydria mellipes, 467 
tibialis, 467 
fruit feeder— 
fruit-tree leaf roller, 377 
leaf feeders— 
566 
beetles: 
basswood leaf miner, 141 
Dichelonyx elongata, 149 
locust leaf miner, 143, 472, 
478 
Pachybrachys peccans, 145 
Phyllophaga crenulata, 148 
drakei, 146 
forsteri, 148 
luctuosa, 147 
Polydrusus impressifrons, 238, 
220 
Syneta ferruginea, 145 
moths and butterflies: 
Acronicta distans, 308 
funeralis, 308 
innotata, 308 
interrupta, 308 
leporina vulpina, 
308 
Bapta vestaliata, 337 
birch sketonizer, 409 
Bucculatrix coronatella, 410 
cecropia moth, 298, 477 
Charadra deridens, 309 
Coleophora fuscedinella, 28. 
405 
Colocasia propingiilinea, 309 
crinkled flannel moth, 350 
Ectropis crepuscularia, 339 
elm sphinx, 285 
Eulype hastata, 337 
fall cankerworm, 21, 334, 339, 
472, 483 
forest tent caterpillar, 19, 
330, 429, 472, 475 
fruit-tree leaf roller, 377 
gypsy moth, 12, 18, 19, 24, 25, 
28°62) 6a 7. 123-320; 430: 
431, 469, 472, 474, 476, 483 
Haploa lecontei, 307 
Heterocampa bilineata, 316 
hickory tussock moth, 304 
lappet moth, 333 
large aspen tortrix, 383 
Limenitis arthemis, 294 
astyanax, 294 
linden looper, 341 
luna moth, 298 
Machimia tentoriferella, 395 
maple leaf cutter. 413 
Birch—Continued 
leaf feeders—Continued 
moths and butterflies—Con. 
Oriental moth, 347, 349, 431, 
484 
Paonias excaecatus, 297 
pink-striped oakworm, 301 
polyphemus moth, 299 
promethea moth, 298 
Protobarmia porcelaria, 346 
Psilocorsis faginella, 395 
spotted tussock moth, 305 
western tent caterpillar, 330 
sawflies: 
Arge clavicornis, 437 
scapularis, 437 
birch leaf miner, 454 
birch leaf-mining sawfly, 453, 
470, 473 
dusky birch sawfly, 462 
elm sawfly, 438, 472 
Nematus pinguidorsum, 461 
Pristiphora siskiyouensis, 459 
striped alder sawfly, 463 
: Trichiosoma triangulum, 438 
sucking insects— 
Calaphis betulaecolens, 84 
betulella, 84 
Chionaspis lintneri, 109 
Clastoptera obtusa, 74 
Corythucha pallipes, 63 
pergandei, 64 
Euceraphis betulae, 84 
giant bark aphid, 82 
Leeanium caryae, 106 
oystershell scale, 109, 110, 475 
Phenacoccus seratus, 99 
Psylla carpinicola, 77 
Birch, gray: 
borers, bark and phloem— 
bronze birch borer, 29, 161, 478 
Pseudopityophthorus asperulus, 
256 
leaf feeders— 
beetles: 
Japanese beetle, 19, 151, 485, 
486 
willow flea weevil, 222 
moths and butterflies: 
Brephos intans, 334 
birch skeletonizer, 409 
chain-spotted geometer, 345 
Coleophora fuscedinella, 23, 
405 
Datana angusi, 311 
Epinotia similana, 374 
filament bearer, 342 
gypsy moth, 12, 18, 19, 24, 25, 
28. 62, . G5. TA. ais eae: 
430, 481, 469, 472, 474, 476, 
483 
Hemileuca lucina, 300 
Nymphalis j-album, 292 
Tortricidia flexuosa, 348 
sawflies: 
birch leaf-mining sawfly, 453, 
470, 473 
birch sawfly, 462 
