General Index 



485 



Pear: insects in.iurious to — (Continued) : 



Phytoptus pyri, 442. 



Psylla pyri, 331, 322, 323. 



pyricola, 293, 317-339, 429, 430, 44.5. 

 pyrisuga, 322. 



Selandria cerasi, 335. 



Xyleborus dispar, 366, 419. 



Zeuzera pyrina, 426. 

 Pear-leaf blister, 377, 442. 

 Pear midge, 318, 334. 



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

 429, 431, 411, 443. 



abundance at Catskiil, N. Y., 324. 



bibliograptiy, 317-318. 



described by Dr. Harris, 321. 



distribution in the United States, 325. 



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



Dr. Riley's studies of, 322. 



earliest notice of iu the United Statesi 

 319-321. 



eggs described and figured, 328. 



eggs unaffected by kerosene, 329. 



family of Psyllidse characterized, 319. 



figures of different stages, .318, 319, 32u 

 338. «-i 



Genet's observations, 330. 



hibernating brood, 337. 



honey-dew secretion, 323, 338. 



injuries from, 330-331, 323-336. 



introduced from Europe, 318. 



its brief life-cycle, 3j7. 



kerosene emulsion for killing it, 329. 



life-history, 336-338. 



Mr. Slingerland's observations and studies, 

 326-338. 



multiplication in the Hudson river valley, 

 322-325. 



New England localities, 325. 



occurrence in western States, 325. 



pear trees killed by it, 336. 



ravages at Ghent, N Y., 334. m^ 



remedies, 329. .mm' 



winter 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, 338. 

 Peck [Prof. W. U.] cited, 335, 359. 

 Pediopsis trimaculatus, 400. 



viridis, 399. 

 Pelargium, Plusia brassicae on, 296. 

 Pemphigina;, 413. 

 Pemphigus pyri, 411, 413. 



tessellata, 346-347, 411, 413, 46.3. 

 associated with fungus, 347. 



Penhallow, D. P. cited, 367. 

 Pennsylvanica, Epicauta, 44.3, 463. 

 Pennsylvanicus, Bombus, 461. 



Chauliognathus, 344. 

 PentatomidEe, 315. 

 Penthimia Americana, 397. 



hemorrhoea, 397. 



sanguinicoUis, 397 . 

 Periodical cicada, 440. 

 Perkins, G. H., cited, 356. 

 Pei'oxide of silicates as an insecticide, 363. 

 Persian insect powder, 353. 

 persieas, Myzus, 369. 

 Persius, Nisoniades, 449. 

 Petite Faune Entomologique du Canada • 



ColeoptSres, cited, 300, 307. 

 Phaeton, Melitsea, 448. 

 Phalajnidas, 453, 456. 

 Philampelus Achemon, 451 . 

 Phlepsius fulvidorsum, 410. 



irroratus, 410. 



strobi, 410. 

 Phlceotribus liminaris, 365-368. 

 rPhobetron pithecium, 443, 455-456, 461. 

 pholus, Lycomorpha, 450. 

 Phorodon humuli, 294, 369. 

 Phosphates, 418. 

 Phyllotreta vittata, 375. 

 Phylloxera vitifolise, 347, 464. 

 Phymata Wolfli, 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. 

 Pier is oleracea, 444, 449. 



rapa% 443, 444, 446, 447, 449, 454(2) . 

 Pike [Nicolas] cited, 426, 427. 

 pinastri, EUema, 449. 

 Pine-bark Chermes, 454. 

 Pine: insects attacking. 



Aphis pinicolens, 406. 



By thoscopus strobi, 398. 



Chermes pinicorticis, 454. 



Chionaspis pinifolias, 377. 



Cixius pini, 385. 



Clastoplera pini, .393-394. 

 testacea, 393. 



Eacles imperialis, 453. 



EUema pineum, 449. 



Empoa coccinea, 403. 



Eriosoma strobi, 409. 



Lepyronia parallella, 393. 

 saratogensis, 393. 



Llvia femoralis, 404. 



Pissodes strobi, 345. 

 Pine-tree blight, 409. 



