General Index 



485 



Pear: insects iojurious to — (^Continued) : 



Phytoptus pyri, 442. 



Pdylla pyri, 3-^1, 3^2, 323. 



pyricola, 293, 317-329, 429, 430, 445. 

 pyrisuga, 322. 



Selandria cerasi, 335. 



Xyleborus dispar, 363, 419. 



Zeuzera pyrina, 426. 

 Pear-leaf blister, 377, 442. 

 Pear midge, 318, 324. 



Pear-tree Psylia, Psylla pyricola, 293, 317-329, 

 429, 434, 411, 445. 



abundance at Catskill, N. Y., 324. 



bibliography, 317-318. 



described by Dr. Harris, 321. 



distribution in the United States, 325. 



Dr. Harris' early obssrvatious on, 320-322. 



Dr. Riley's studies of, 322. 



earliest notice of io the United States^ 

 319-321. 



eggs described and figured, 328. 



eggs unaffected by teiosene, 329. 



family of Psyllidee characterized, 319. 



figures of different stages, :.318, 319, 327t 

 328. 



Genet's observations, 320. 



hibernating brood, 327. 



honey-dew secretion, 323, 328. 



injuries from, 320-321, 323-326. 



introduced from Europe, 318. • 



its brief life-cycle, 3i7. 



kerosene emulsion for killing it, 329. 



life-history, 326-328. 



Mr. Slingerland's observations aad studies, 

 326-328. 



multiplication in the Hudson river valley, 

 322-325. 



New England ioeaiities, 325. 



occurrence in western States, 325, 



pear trees killed by it, 326. 



ravages at Ghent, N Y., 324. 



remedies, 329. 



wmter form simulans, 328. 

 Pear-tree or cherry-tree slug, 335-336. 

 Pear-tree Scolytus, 366. 

 Pear-tree slug, 440. 

 Pearson, Colonel, cited, 420. 

 Pease, Ira, insect from, 461. 

 Pea weevil, 439. 

 Peck, Prof. C. H.: 



honey-dew fungus identified by, 347. 



on diseased Austrian pines, 377-378. 



insects from, 461. 



on the pear-tree Psylla, 324, 328. 

 Peck [Prof. W. D.] cited, mz, 359. 

 Pediopsis trimaculatus, 400. 



viridis, 399. 

 Pelargium, Plusia brassicae on, 296. 

 Pemphiginae, 413. 

 Pemphigus pyri, 411, 413. 



tessellata, 346-347, 411, 413, 463. 

 associated with fungus, 347. 



Penhallow, D. P. cited, 367. 

 Pennsylvanica, Epicauta, 443, 463. 

 Pennsylvanicus, Bombus, 461. 



Chauliognathus, 344. 

 Pentatomidas, 315. 

 Penthimia Americana, 397. 

 hemorrhoea, 397. 

 sanguinicollis, 397. 

 Periodical cicada, 440. 

 Perkins, G. H.. cited, 356. 

 Peroxide of silicates as an insecticide, 383. 

 Persian insect powder, 352. 

 persicae, Myzus, 369. 

 Persius, Nisoniades, 449. 

 Petite Faune Entomologique du Canada 



Coleopteres, cited, 300, 307. 

 Phaeton, Meliteea, 448. 

 Phalasnidae, 453, 456. 

 Philampelus Achemon, 451 . 

 Phlepsius f ulvidorsum, 410. 



irroratus, 410. 



strobi, 410. 

 Phlceotribus liminaris, 365-368. 

 Phobetron pithecium, 443, 455-456, 461. 

 pholus, Lycomorpha, 450. 

 Phorodon humuli, 294, 369. 

 Phosphates, 416. 

 Phyllotreta vittata, 375. 

 Phylloxera vitifolise, 347, 464. 

 Phymata Wolfii, 463. 

 Phytomyza chrysanthemi, 421 . 



lateralis, 421. 

 Phytonomus punctatus, 440. 

 Phytoptidae, 377, 442. 

 Phytoptus pyri, 442. 

 piceus, Attagenus, 299-306. 



Dermestes, 300. 

 picta, Ceramica, 455. 



Mamestra, 455. 

 Pierce, W. C. on the white-pine weevil, 344. 

 Pieris oleracea, 444, 449. 



rapae, 442, 444, 446, 447, 449, 454(2) . 

 Pike [Nicolas] cited, 426, 427. 

 pinastri, Ellema, 449. 

 Pine-bark Chermes, 454. 

 Pine: insects attacking. 



Aphis pinicolens, 406. 



Bylhoscopus strobi, 398. • 



Chermes pinicorticis, 454. 



Chionaspis pinifolise, 377. 



Cixius pini, 385. 



Clastopiera pini, 393-394. 

 testacea, 393. 



Eacles imperialis, 453. 



Ellema pineum, 449. 



E'japoa coccinea, 403. 



Eriosoma strobi, 409. 



Lepyronia parallella, 393. 

 saratogensis, 393. 



Livla femoralis, 404. 



Pissodes strobi, 345. 

 Pine-tree blight, 409. 



