518 



INDEX 



Pine, 38, 210; umbrella, 275; white, 

 38, 212. 



blight, 210. 



blister rust, 340. 

 Pinus radiata, 374. 



maritima, 372. 

 Pissodes notatus, 340. 



strobi, 340. 

 Plagionotus speciosus, 436. 

 Plantago major, 495. 



rugelii, 495. 

 Plantain, 495. 

 Plant lice, 31, 303. 

 Platanus orientalis, 377. 

 Platypus compositus, 216. 

 Plum, 146, 158, 159, 160, 162, 210, 232, 

 234, 361, 377, 431, 432, 503. 



curculio, 215. 

 Plutella maculipennis, 183. 

 Podabrus tomentosus, 372. 

 Podisus maculiventris, 315. 



modestus, 148. 

 Poecilocapsus lineatus, 479. 

 Polygonum, 377. 



pennsylvanicum, 151. 

 Polyporus squamosus, 205. 

 Pontia rapse, 180, 214. 

 Poplar, 186, 374, 375, 489. 



and willow curculio, 184. 

 Populus, 375. 



alba, 489. 



deltoides, 489. 



fremonti, 374. 



tremuloides, 489. 



trichocarpa, 372, 374. 

 Porthetria dispar, 16, 211, 500, 501; 



eggs and birds, 343-346. 

 Potash, 229. 

 Potassium, 86, 87. 



carbonate, 88. 



cyanide, 85, 86, 87, 88, 199. 

 Potatoes, 168, 178, 179, 182. 

 Potato flea-beetle, 503. 

 Powdery mildew, 236. 

 Power .sprayer, 63. 

 Pratt's scalecide, 60, 61, 62. 

 Printer's ink, 39. 

 Pristiphora bivittata, 185. 

 Prune, 431, 432. 

 Prunus, ornamental, 273. 



padus, 159. 



pennsylvanica, 405. 



spinosa, 158. 



virginiana, 405. 

 Pseudanthonomus cratiEgi, 357. 

 Pseudococcus calceolariae, 213. 



citri, 215. 

 Psilopodinus flaviceps, 207. 

 Psychoda alternata, 26. 

 Pulvinaria bigelovise, 481. 



camelicola, 275. 



cockerelli, 429. 



ehrhorni, 429. 



innumerabilis, 428, 429, 481. 

 betheli, 429. 



Pulvinaria occidentalis, 428, 429, 430. 



ribesiaj, 428, 429. 



subalpina, 428. 



vitis, 428, 429, 430. 

 verrucosse, 429. 

 Purple scale, 86. 

 Pyrethrum, 183. 

 Pyrus, 273. 



comaria, 404. 



florabunda, 274. 



Quaintance, A. L., 108. 



Quayle, H. J., 398-401, 401-403, 



446-451, 473. 

 Quercus, 351. 



agrifoha, 374, 402. 



alba, 369, 415. 



californica, 376. 



douglasii, 376. 



lobata, 376. 



obtusiloba, 415. 



rubra, 368. 

 Quince, 357. 



weevil, 357. 



Radishes, 182. 



Rag-weed, 97. 



Rane, F. W., 36-38, 385. 



Ranunculus californicus, 373. 



Rape, 405. 



Raspberry, 163, 246, 431. 



Red-legged grasshopper, 303. 



Red or orange scale, 398. 



Red-winged and red locust, 265, 266, 



271. 

 Red spider, 31, 181, 186, 432. 

 Resin compound, 164. 

 Rex lime-sulfur solution, 59, 61, 62, 



208, 433. 

 Rhabdophaga batatas, 356 



brassicoides, 354. 



caulicola, 355. 



cornuta, 355. 



gemmse, 355. 



globosa, 356. 



gnaphaloides, 355. 



latebrosa, 355. 



nodulosa, 355. 



normaniana, 354. 



persimilis, 355. 



phcata, 354. 



podagrse, 355. 



racemi, 354. 



ramuscula, 356. 

 Rhabdophaga, rhodoides, 354. 



salicis, 355. 



sodalitatis, 355. 



strobiloides, 354. 



triticoides, 355. 

 Rhagoletis grindehae, 453. 



pomonella, 169. 

 Rhizopertha pusilla, 215. 

 Rhopalomyia astericaulis, 350. 



asteriflora?, 348. 



crassulina, 350. 



