poplar tent maker, 310 
Porthetria dispar, 23, 320 
praying mantids, 54 
Priocera castanea, 156 
Prionoxystus— 
macmurtrei, 389 
robiniae, 388 
Prionus— 
imbricornis, 200 
laticollis, 200 
pocularis, 200 
Pristaulacus— 
bilobatus, 483 
rufitarsis, 483 
Pristiphora— 
chlorea, 459 
erichsonu, 23, 458, 460 
geniculata, 28, 459, 460 
siskiyouensis, 459 
sycophanta, 459 
Prochoerodes transversata, 346 
Prociphilus— 
bumeliae, 83 
corrugatans, 85 
fraxinifoli, 85 
imbricator, 84 
tessellatus, 85 
Proctotrupoidea, 482 
Prodiplosis morrisi, 420 
Profenusa— 
canadensis, 457 
lucifex, 457 
mainensis, 456 
thomsoni, 456 
Prolimacodes— 
badia, 348 
scapha, 348 
Prorhinotermes simplex, 46, 54 
Prosapia bicincta, 73 
Prospaltella perniciosa, 107 
Proteoteras— 
aesculana, 369 
willingana, 369 
Protobarmia porcelaria, 346 
Protocalliphora, 429 
Protozoa, 2 
Pselactus spadix, 224 
Psen, 496 
Pseudaonidia duplex, 111 
Pseudaphycus malinus, 100 
Pseudaulacaspis pentagona, 112 
Pseudobogeris, 431 
Pseudobrachium mandibulare, 484 
Pseudocneorhinus bifasciatus, 23, 219 
Pseudococcidae, 99 
Pseudococcus— 
adonidum, 100 
comstocki, 22, 100 
maritimus, 100 
Pseudolucanus capreolus, 145 
Pseudophilippia quaintancii, 106 
Pseudopityophthorus— 
asperulus, 256 
minutissimum, 255 
Pruinosus, 256 
pubescens, 256 
Pseudoscorpionidae, 10 
pseudoscorpions, 10 
636 
Pseudotachinomya webberi, 342 
Pseudothysanoes— 
lecontei, 253 
rigidus, 253 
Psilocorsis— 
faginella, 395 
fletcherella, 395 
obsoletella, 395 
quercicella, 395 
reflexella, 395 
Psilus politus, 483 
psocids, 42 
Psocoptera, 42 
Psorophora, 416 
Psychidae, 410 
Psylla— 
annulata, 77 
buxi, 77 
carpinicola, 77 
floccosa, 77 
galeaformis, 77 
trimaculata, 77 
Psyllidae, 35, 76 
psyllids—424 
blistergall, 76 
boxwood, 77 
budgall, 76 
petiolegall, 77 
Pterocomma— 
populifoliae, 84 
salicis, 84 
smithae, 84 
Pteromalidae, 477 
Pteronidea ventralis, 
(see Nematus ventralis) 
Pterophylla camellifolia, 59 
Ptilinus—127 
pectinicornis, 133 
pruinosus, 133 
rufiicornis, 133 
Ptinidae, 116, 126, 136 
Ptinus— 
clavipes, 137 
fur, 137 
Ptosima gibbicollis, 169 
Pulex irritans, 40 
Pullus impexus, 
(see Scymnus impexus) | 
Pulvinaria— | 
acericola, 102 
floccifera, 103 
innumerabilis, 101 
punkies, 416 
Pyraustidae, 350 
Pyrochroidae, 115 
Pyrrhalta— 
cavicollis, 140 
decora decora, 140 
luteola, 23, 138 
tuberculata, 140 
Quadraspidiotus— 
forbesi, 107 
gigas, 107 
juglansregiae, 107 
perniciosus, 22, 106 | 
