38 



PLANT INDEX. 



Pilocarpus pinnatifolia, jiowdcred, Ptinus bnin- 



neus attacking, VII, 32. 

 Pinienta vulgaris, Cyrtonierus pilicornis on, VI, 



273. 

 Pimpinella auisum, dry, Sitodrcpa panicea attacli- 



ing, VII, 32. 

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

 Bracon simplex reared from, V, 248. 

 Buprestis ultraniarina on, 1,343. 

 Chermes sp. on, IV, 89. 

 Dendroctonus frontalis destroying, V, 187. 

 Hemitelesrufiventris and host on. III, 153. 

 Hylesinus scriceus on, VII, 254. 

 Icerya on, in New Zealand, ni., II, 49. 

 insects on, II, 337. 

 Lachnus on, II, 314. 



Neoclytus erythrocephalus seen on, I, 343. 

 Oiketicus huebneri on, IV, 89. 

 Phlceosinus graniger and parasite on, IV, 258. 

 Polygnotus diplosis and host on, IV, 126. 

 Rhagium lineatum boring in dead trunks of, 



II, 190. 

 Rhyssalus pityophtlioriandhoston, IV, 257. 

 Scythropus elegans on, III, 37. 

 weevil of, III, 408. 

 Pineapple, Acanthacaia similis injuring, I, 217. 

 Pinus echinata, Dendroctonus frontalis destroying, 

 V, 187. 



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

 Cecidomyia pini-inopis and parasite on, IV, 



126. 

 Dendroctonus frontalis destroying, V, 187. 

 Spathius canadensis and host on, IV, 258. 

 insignis, moth on, III, 117. 

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



Cremastus retinia; and host on. III, 1.56. 

 Dendroctonus frontalis on, V, 187. 

 strobus, Dendroctonus frontalis on, V, 187. 



Pissodes strobi on. III, 468. 

 sylvestris, Lasiocanipa pini on, VI, 275. 

 Plane tree, Ocneriadispar almost ruining, in France, 



II, 209. 



western, Lachnus platanicola on, I, 197. 

 Plantagolanceolata, Junonia ctenia and parasite on, 



III, 16. 



major, Apha^retaoscinidis and host on, III, 58. 

 corn root aphis on, III, 235. 

 Rhyssalus oscinidis and host on, II, 351. 



virginica, attacked by Aphis gossypii, VII, 313. 

 Plant parasitism of insects, V, 68. 

 Plantain, Aphis gossypii attacking, VII, 313. 



corn root-louse on. III, 235. 

 Platanu>=, Thrips on leaves, I, 139. 

 Plowrightia morliosa, on plum, I, 344. 

 Plum, .\nomala marginata attacking, V, 45. 



Aphis prunifolia on. III, 479. 



Aspidiotus howardi on, VII, 360. 



Black knot on, I, 344. 



Brochymena annulata on, A'll, 280. 



capsid injuring, II, 381. 



Cryptusatricollaris and host on, 111,154. 



Ceresa liubalus on, V, 92. 



curculi.i feeding on, II, 3; 111,219,227,254; IV, 

 45. 



{See also Plum ciinulio. General Index.) 



Diabrotica vittata on, I, 59. 



Diphucephala colaspidioides injuring. III, 425. 



Plum, Diphucephala splendens defoliating, in Tas- 

 mania, I, 361. 



dried, Glyciphagus prunoruni 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. 



Hyphantria cunea defoliating trees, III, 338. 



insecticides for. III, 293, 364. 



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



Lachnosterna (fusca) arciiata on, I, 306. 



Lecanium n. sp. on, V, 17. 



Leptocoris trivittata on, IV, 273. 



Leptoglossus phyllopus on, VII, 51. 



Noto.xus calcaratus on, V, 197. 



Ocneria dispar feeding on, II, 209. 



pear slug on, III, 163. 



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

 405, 486; IV, 406. 



Phorodon mahaleb on. III, 468, 469. 



Pliytoptus n. sp. on, V, 16. 



Phytoptus on, I, 343. 



Phytoptus pruni (?) on, V, 17. 



Pulvinaria psidii on, VII, 426. 



Pulvinaria 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, 14.5. 

 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, VI I, 32. 

 Polygala senega, dry, Silvanus sp. in, VII, 3.'. 

 Polygonum acre, Gelechiaabsconditellaaud pai-asite 

 on, III, 18. 



Botis erectalis and parasites on, III, 17. 



Cremastus retinia* and host on. III, 150. 



dunietorum, Calothysanis amaturaria on, V, 

 132. 



Harpiphorus varianus larvae on , II, 241, 243. 

 Emphytus testaceus on, I, 345. 



Gastroidea polygoni feeding on, II, 190, 275. 



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

 corn root aphis on. III, 2-34. 



sp., Chelonus pallidus and host on, II, 352. 

 Polemonium reptaus, Capsus quadrivittatus (in, I, 



293. 

 Polyrhizium, Schistocerca peregrina disease, IV. 



408. 

 Pomegranate, Ceroplastes tloridensis on, V. 247. 



Icerya i>urchasi on, I, 129. 



India, Virachola damaging. III, 44. 



locusts injuring, IV, 144. 



Ocneriadispar feeding on, II, 209. 

 Pond lily, Rhopalosiphuni uympliivsv on, V, 236. 

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



effect of arsenic on, 1, 125. 



Dicerca prolongata attacking, I, .58. 



