Phyllocolpa, 409 
Phyllodesma americana, 206 
Phyllonorycter— 
crataegella, 130 
lucetiella, 130 
robiniella, 130 
salicifoliella, 130 
tremuloidiella, 130 
trinotella, 130 
Phyllophaga—267, 268, 269, 270 
crenulata, 269 
drakei, 268 
forsteri, 269 
implicita, 269 
luctuosa, 268 
micans, 269 
prunina, 269 
prununculina, 268 
rugosa, 268 
tristis, 268 
Phylloxera—86, 337 
caryaecaulis, 86 
devastatrix, 86 
notabilis, 86 
nyssae, 86 
rileyi, 86 
phylloxeras— 
hickory gall, 86 
pecan leaf, 86 
pecan, 86 
Phylloxeridae, 37, 39, 40, 86 
Phymatodes— 
dimidiatus, 306 
testaceus, 306 
varius, 306 
Physocnemum— 
andreae, 306 
brevilineum, 307 
violaceipenne, 307 
Physokermes— 
hemicryphus, 98 
piceae, 98 
Phytobia— 
amelanchieris, 449 
pruinosa, 449 
pruni, 449 
setosa, 449 
Phytomyza ilicicola, 449, 450 
pigeon tremex, 410, 415, 422 
Pikonema— 
alaskensis, 404, 405 
dimmockii, 405 
Pilophorus walshii, 66 
pine colaspis, 263 
pine needle sheathminer, 140 
Pineus— 
coloradensis, 86 
floccus, 86 
pinifoliae, 86 
similis, 86 
strobi, 11, 84, 85 
Pinnaspis— 
aspidistrae, 117 
strachani, 117 
Pipunculidae, 447 
Pissodes—322, 327, 331 
affinis, 331 
approximatus, 329, 330 
600 
dubius, 331 
fiskei, 331 
nemorensis, 330 
rotundatus, 331 
strobi, 328, 330 
Pitedia uhleri, 64 
Pityoborus comatus, 364 
Pityogenes— 
hopkinsi, 357 
meridianus, 357 
plagiatus, 357 
Pityokteines sparsus, 357 | 
Pityophthorus—362, 363, 366 | 
annectens, 364 | 
balsameus, 364 
biovalis, 364 
cariniceps, 364 
crinalis, 363 
dentifrons, 364 
intextus, 364 
lautus, 363 
liquidambarus, 363, 421 
opaculus, 363 
puberulus, 364 
pulchellus, 364 
pulicarius, 363 
ramiperda, 364 
scriptor, 363 
Placusa, 242 
Plagiodera versicolora, 12, 264, 265 
Plagiognathus 
albatus, 67 
delicatus, 66 
Plagiometriona clavata, 266 
Plagodis— 
kuetzingi, 195 
serinaria, 195 
planthoppers, flatid, 69 
plantlice—77 
jumping, 76 
Platoeceticus gloveri, 118 
Platybregmus canadensis, 254 
Platycerus quercus, 267 
Platycotis vittata, 71 
Platygaster pini, 443 
Platygastridae, 426 
Platypodidae, 38, 248, 368, 375 
Platypus— 
compositus, 376 
flavicornis, 375, 376 
parallelus, 377 
quadridentatus, 375 
Platytetranychus— 
multidigituli, 31 
thujae, 31 
Plecia nearctica, 442 
Plecoptera, 45 
Plectrodera scalator, 289, 290 
Plegaderus, 241 
Pleolophus basizonus, 414, 415 
Pleroneura brunneicornis, 378 
Plutellidae, 138 
plutellids, 138 
Podapion gallicola, 331, 332 
Podisus maculiventris, 64 
Podosesia syringae, 143 
aureocincta, 143, 144 
