38 



PLANT INDEX. 



Pilocarpus i)innatifolia, powdered, Ptinus lirun- 



neus attacking, VII, 32. 

 Pimenta vulgaris, Cyrtomerus pilicornie on, VI, 



273. 

 Pimpinella anisum, dry, Sitodropa panicea attack- 

 ing, VII, 32. 

 Pine, Bracon pissodis and host on, 11, 348. 

 Bracon simplex reared from, V, 248. 

 Buprestis ultramarina on, I, 343. 

 Chermes sp. on, IV, 89. 

 Dendroctonus frontalis destroying, V, 187. 

 Hemitelesrufiventris and host on. III, 153. 

 Hylesinus sericeus on, VII, 254. 

 Icerya on, in New Zealand, m., II, 4'J. 

 insects on, II, 337. 

 Lachnus on, II, 314. 



Neoclytus erythrocephalns seen on, I, 343. 

 Oiketicus huebneri on, IV, 89. 

 Phlu'osinus graniger and parasite on, IV, 258. 

 Polygnotus diplosis and host on, IV, 126. 

 Rhagium lineatnm boring in dead trunks of, 



II, 190. 

 Bhyssalus pityophthori andhoston, IV, 257. 

 Scythropus elegans on, III, 37. 

 weevil of. III, 468. 

 Pineapple, Acanthacara similia injuring, I, 217. 

 Pinus ecliinata, Dendroctonus frontalis destroying, 

 V, 187. 



inops, Aphidius prociphali and host on. III, GO. 

 Cecidomyia piui-inopis and parasite on, IV, 



126. 

 Dendroctonus frontalis destroyinn-, V, 187. 

 Spatliius canadensis and host on, IV, 258. 

 insignis, moth on, III, 117. 

 rigida, Aspidiotus pini on, ref., VI, 231. 



Cremastus retinia^ and host on, III, 1.50. 

 Dendroctonus frontalis OQ, V, 187. 

 strobus, Dendroctonus frontalis on, V, 187. 



Pissodes strobi on. III, 468. 

 sylvestris, Lasiocampa pini on, VI, 275. 

 Plane tree, Ocneriadispar almost ruining, in France, 



II, 209. 



western, Larlinus platanicola on, I, 197. 

 Plantago lanceolata, Junonia coenia and parasite on, 



III, 16. 



major, Aphrereta oscinidis and ho.st on. III, 58. 

 corn root aphis on, III, 235. 

 Bhyssalus oscinidis and host on, II, 351. 



virginica, attacked by Aphis gossypil, VII, 313. 

 Plant parasitism of insects, V, 08. 

 Plantain, Aphis gossypii attacking, VII, 313. 



corn root-louse on. III, 235. 

 Platanus, Thrips on leaves, I, 139. 

 Plowrightia niorbosa, on plum, I, 344. 

 Plum, Anomala marginata attacking, V, 45. 



Aphis prunifolia on, 111,479. 



Aspidiotus howardi on, VII, 300. 



Black knot on, I, 344. 



Brochymena annulata on, VII, 280. 



capsid injuring, II, 381. 



Cryptusatricollaris and host on, 111,1,54. 



Ceresa bubalus on, V, 92. 



curculio feeding on, II, 3; 111,219,227,254; IV, 

 45. 



(See also Plum curculio. General Index.) 



Diabrotica vittata on, I, 59. 



Diphucephala colaspidioides injuring. III, 425. 



Plum, Diphucephala splendens defoliating, in Tas- 

 mania, I, 361. 



dried, Glyciphagus prunorum among, IV, 185. 



effect of arsenic on, I, 125; IV, 40,238,293. 



gouger on. III, 227. 



(hog), Icerya montserratensis feeding on. III, 

 407. 



Hyalopterus pruni on, V, 236. 



Hyphautria cunea defoliating trees, III, 338. 



insecticides for. III, 293, 364. 



insects on, II, 337; IV, 263; V, 18. 



Lachnosterna (fusca) arcuata on, I, 366. 



Lecanium n.sp. on, V, 17. 



Leptocoris trivittata on, IV, 273. 



Leptoglossus phyllopus on, VII, 51. 



Notoxus calcaratus on, V, 197. 



Ocneria disimr feeding on, II, 209. 



pear slug on. III, 163. 



Phorodon humuli on, I, 71; III, 185, 238, 239, 

 405, 486; IV, 406. 



Phorodon mahaleb on. III, 468, 469. 



Phytoptus n. sp. on, V, 10. 



Phytoptus on, I, 343. 



Phytoptus pruni (?) on, V, 17. 



Pulviuaria psidii on, VII, 426. 



Pulviuaria sp. on, VI, 2. 



rose-chafer on, II, 299; III, 271. 



San Jose scale on, VI, 253, 363. 



sawfly of, in England, IV, 38. 



Serica anthracina attacking, in California, V, 

 350. 



spraying against caterpillars of, IV, 30,37. 



Xyleborus dispar in wood, in England, II, 145. 

 Plumbago alternanthera, Coccida^ on, VI, 50. 

 Plumieria rubra, Lecanium sp. on, IV, 333. 

 Poa pratensis, insects injuring, I, 372. 



serotina, insects infesting, I, 374. 

 Poison oak, Cecidomyia rhois infesting roots of, 



VII, 348. 

 Poisonous nightshade, red bug on, I, 235. 

 Poke, powdered, Paromalus sp. attacking, VII, 32. 

 Polygala senega, dry, Silvanus sp. in, VII, 32. 

 Polygonum acre, Gelechiaabsconditellaand parasite 

 on. III, 18. 



Botis erectalis and parasites on. III, 17. 



Cremastus retinia> and host on. III, 156. 



dumetorum, Calothysanis amaturaria on, V, 

 132. 

 Harpiphorus varianus larvte on, II, 241, 243. 

 Emjihytus testaceus on, I, 345. 



Gastroidea polygoni feeding on, II, 190, 275. 



persicaria, Ajjhis maidi-radicis on, VI, 31. 

 corn root aphis on, III, 234. 



sp., Chelonus pallidns and liost on, II, 352. 

 Polemonlum reptans, Capsus qnadrivittatus on, I, 



293. 

 Polyrliizium, Schistocerca peregriua disease, IV. 



408. 

 Pomegranate, Ceroplastes Horideusis on, V, 247. 



Icerya purchasi on, I, 129. 



India, Virachola damaging, III, 44. 



locusts injuring, IV, 144. 



Ocneriadispar feeding on, II, 209. 

 Pond lily, Bhopalosiphum nymplii«e on, V, 236. 

 Poplar, Aphidius lachui and host on. III, 60. 



effect of arsenic on, 1, 125. 



Dicerca prolongata attacking, I, 58. 



