Try podendron—Continued weevils—Continued 
bivittatum, 268 red elm bark, 224, 478 
lineatum, 267 small chestnut, 226 
retusum, 268 strawberry root, 221 
scabricollis, 268 white-pine, 209, 423, 426, 475, 477 
Trypopitys sericeus, 133 willow flea, 222 
twig pruner, 192 whiteflies—92 
Tylonotus bimaculatus, 199 azalea, 92 
Tymnes tricolor, 145 citrus, 92 
Typhlocyba, 69 mulberry, 92 
rhododendron, 92 
Unaspis euonymi, 111, 112 Winthemia datanae, 311 
Urocerus— wireworms, 153 
albicornis, 466 YURI Ne 
cressoni, 466 butternut woolly, 464 
flavicornis, 466 carpenter, 388 
green-striped maple, 301 
inch, 334 
Valentinia glandulella, 396 
Vanduzea arquata, 71 orange-humped maple, 314 
Vasates— orange-striped oak, 300, 472 
aceris-crummena, 7 pink-striped oak, 301 
quadripedes, 7, 8 red-humped oak, 314 
Vespa crabro germana, 494 secondary screw, 429 
Vespamima pini, 399 screw, 27, 428 
Vespidae, 39, 493 spiny oak, 300 
Vespoidea, 493 
Vespula— 
arenaria arenaria, 494, 495 
maculata, 494 
viceroy, 293 
measuring, 334 
Xanthonia decimnotata, 145 
Xanthoteras forticorne, 482 
Xenochalepus dorsalis, 
(see Odontota dorsalis) 
walkingsticks—55 Xenopsylla cheopsis, 41 
giant, 57 Xenotemna pallorana, 386 
two-striped, 57 Xestobium rufovillosum, 23, 132 
the walkingstick, 55, 484 Xiphydria— 
Walshiidae, 390 abdominalis, 467 
warbles, 431 hicoriae, 467 
wasps—436, 483, 484, 485 maculata, 467 
gall, 479 mellipes, 467 
potter, 493 tibialis, 467 
tiphiid, 485 Xiphydriidae, 467 
webworms— Xyela— 
ailanthus, 403 alpigena, 432 
fall, 64, 306, 472, 476, 483 bakeri, 432 
juniper, 393 minor, 432 
mimosa, 396 obscura, 432 
oak, 377 styrax, 432 
pine, 65, 351 Xyelidae, 432 
pine false, 433 Xylastodoris luteolus, 67 
weevils— X yleborus— 
apple flea, 223 affinis, 270 
arborvitae, 218 cavipennis, 271 
Asiatic oak, 221 celsus, 270 
black elm bark, 224, 478 dispar, 271 
black vine, 220 ferrugineus, 270 
broad-nosed bark, 223 howardi, 271 
deodar, 212 lecontei, 271 
fungus, 209 obesus, 271 
Japanese, 219 obliquus, 271 
large chestnut, 226 pecanis, 271 
New York, 209 pint, 271 
northern pine, 211 rubricollis, 271 
pales, 213 saxeseni, 269 
pecan, 226 say1, 271 
pine gall, 218 tachygraphus, 271 
pine root collar, 213 volvulus, 271 
pitch-eating, 217 xylographus, 270 
641 
