INDEX 



431 



Pine bark aphid, 150 



saw fly, 346 



wood borers, 325 

 Pistol case bearer, 78, 235 

 Pithy blackberry gall, 351 

 Pitiful ladybird, 288 

 Pityokteines sparsus, 342 

 Plagionotus speciosus, 89, 324 

 Plague, 55 

 Plant eaters, 281 



lice, 122, 136 

 Plathypena scabra, 195 

 Platygaster, 38 

 Plecoptera, 98 



Plodia interpunctella, 74, 214 

 Plum aphis, 80 



curculio, 80, 330 



insects, 80 

 .scale, 81, 129 



sphinx, 81, 178 



web-spinning saw fly, 348 

 Plutella maculipennis, 76, 232 

 Podisus spinosus, 167 

 Poduridae, 96 



Poecilocapsus lineatus, 85, 163 

 Poison baits, 398 

 Poisonous gases, 393 

 Poisons, 383 

 Polistes, 356 

 Pollenia, 268, 273 

 Polychrosis viteana, 86, 228 

 Polydesmus canadensis, 370 

 Polygnotus hiemalis, 352, 401 

 Polygraphus rufipennis, 342 

 Polyphemus moth, 79, 180 

 Polyphylla, 302, 304 

 Pomace flies, 260 

 Poplar borer, 89 



leaf gall louse, 149 

 Porcellio laevis, 363 

 Porosagrotis, 188, 193 

 Porthetria dispar, 87, 200 

 Potato beetle, 77, 308 



flea beetle, 77, 313 



insects, 76, 77 



plant louse, 77, 149 



Potato stalk borer, 77, 196, 335 

 Poultry itch mite, 365 



mites, 364 



pests, 91 

 Powder post beetle, 328 

 Praying mantids, 105 

 Predaceous beetles, 40, 41 



insects, 40, 41 

 Preventive methods, 374 

 Prionus laticollis, 83, 322 

 Prionoxystus robiniae, 88, 238 

 Proctotrypidae, 42, 344, 351 

 Profenusa collaris, 348 

 Promethea moth, 82, 180 

 Prosopis, 357 

 Prospaltella, 40, 354, 403 

 Protectors, 396 

 Protoparce, 177 

 Proventriculus, 24 

 Provisional larval organs, 35 

 Pseudococcus, 124 



citri, 133 



longispinus, 90, 133 



trifolii, 73, 133 

 Psila rosae, 76, 262 

 Psilidae, 242, 262 

 Psithyrus, 357 

 Psocidae, 103 

 Psorosina, 79, 213 

 Psoroptes communis, 366 

 Psylla pyricola, 152 

 Psyllidae, 122 

 Psylliodes punctulata, 317 

 Pterocomma, 136 

 Pteromalus puparum, 175, 354 



egregius, 202, 405 

 Pteronus ribesii, 85, 346 

 Pterostichus lucublandus, 286 

 Ptinidae, 283, 328 

 Pulex irritans, 279 



serraticeps, 92, 280 

 Pulicidae, 279 

 Pulvinaria, 124 



vitis, 85, 89, 130 

 Punkies, 252 

 Pupal stage, 36, 37 



