122 



GENERAL INDEX. 



Plant-louse (or plant-lioo) uinletermiiialik', iufesting 

 orange, V, 17,18. 



coloring matter of, V, 49. 

 tannin in gall of, V, 145. 

 Liucopis preying on, V, 279. 

 corn-root, in Nebraska, IV, 142. 

 ami Lasius alienua, VI, 277. 

 hop, in Washington, V, CO. 



method of stiuly of life history, VI, 8:?. 

 remedies against, IV, S4, 342, 340, 355, 

 401, 406. 

 melon, injury attrilmted to, d\ie to bac- 

 terial disease, mm., IV, 17. 

 art., VII, 309-315. 

 PhiMls and insects, interrelations of, art., IV, 358-378. 

 Platamodes illlnoiensis (Walsh MS.), possibly Isch- 



noptera, IV, 393. 

 Platychinis, larval habits, ni., I, 5. 

 Platydactylus sex-spinosns, injuring rice, VI, 262. 

 Platydenia oregonense, on Cryptoporus obvohitus, V, 



133. 

 Platygaster aphidis, parasitic on Aphis sp., IV, 125. 

 carya;, bred from cecidomyiid gall on hickory, 



IV, 125. 

 herrickii, parasitic on Cecidomyia destructor, 



IV, 125. 

 hiemalis, from Hessian fly, I, 323. 

 minutus, Hessian fly i)arasite, I, 132. 

 philanna, parasitic on Diplosis nigra, IV, 125. 

 Platynotaflavedana, parasitized by Bracunsp., II, 348. 

 rustrana, parasite of, IV, 195. 

 sentana, parasitized by Bracon vernonia>, II, 349. 

 on cotton, VII, 242. 

 Platynus maculicollis, swarming uf, ref.. Ill, 177; 

 V, 342. 



sp., accidental occurrence, VI, 221. 

 Platypsylla, no reason for change in ending, I, 301. 

 Platypsyllida?, new family by Leconte, I, 3 >!. 

 Platypayllines, on Megnin's description, I, 301. 

 PIaty]isyllus, relation with Leptinus and Leptinillus, 

 I, 200. 

 systematic relations of, as determined by the 



larva, art., I, 300-307. 

 additional study of, ref.. Ill, 356. 

 castorinus, characterization, I, 301. 

 castoris, art., I, 300. 



ultimate larva of, art., II, 201, 244-246,292. 

 on beaver skins, IV, 394. 

 Platyptei-yx arcuata, parasitized by Rhogas platyp- 



terygis, II, 352. 

 Platypus compositus, on orange, m., Ill, 418; V, 17. 

 in forestry e.xhibit, VI, 227. 

 flavicornis, injuring orange trees, VII, 413. 

 Platysamia ceoropia, in Minnesota, II, 164. 



parasitized by Cryptus nuncius, III, 154. 

 parasitized by Ophion macrurum, III, 154. 

 in Illinois, m.. Ill, 165. 

 gloveri (?), parasitize<l by Anomalon exile (?), 

 Ill, 155. 

 PIccoptera, fnim Mi-ssissippi bottoms, II, 294. 

 Pleistodontes imperialis, Australian fig insect, ref., 



V, 03. 

 Pleunectyptera finitima n. sp., doscr., V, 333. 



spp., variability of, V, 333. 

 Pleurota, relationships, I, 82. 



Plorederua pedestris, boring timber in India, 11,204. 

 Plochionus timidus, feeding on Hyphantria cunea, 

 111,422; V, 134. 



Plochionus timidus, scarcity of, VI, 257. 

 Pliidia (Ephestia) interpunctella, in United States, I, 

 315; II, 107, 170. 



distinguished from kiihniella, II, 171. 



in flouring mills, II, 278. 



(zeaO, synonymy. III, 134, 158. 



notes on, III, 134, 1-58, 333. 



parasitized liy Linnieria ephestiii'. III, l.">s. 



attacking lettuce seeds, V, 349. 



at World's Fair, VI, 221. 



in sugar, ref., VI, 275. 



in currants, m., VII, 360. 



preyed upon by Bracon honestor(=hebetor), 

 VII, 428. 

 Plum aphis, distinguished from hop aphis, I, 71. 



resin Wiisli against, II, 270. 

 aspidiotus, in Illinois, VII, 360. 

 borer, American, in Illinois, ref., IV, 293. 

 curculio, treatment of, I, 123; II, 92. 



rebuttal of Wier's statements, I, 193. 



correction, II, 2. 



scare in California, II, 90. 



in Nebraska, II, 258; m., IV, 1.33. 



spraying ^gainst, art., II, 305-310, 340; IV, 

 2, 238, 293, 409; VI, 185. 



puncturing apples, II, 383. 



in INIissiesippi, m., IV, 34; ref., 90. 



in New Jersey, IV, 45. 



chip-trap process against, m., IV, 223. 



in British Columbia, VI, 3. 



tansy against, VI, 30. 



in Wisconsin, letter, VI, 37. 



parasites not con.sidered of value in lessen- 

 ing, VI, 144. 

 gouger, oviposition of, I, 89. 



a good species, II, 259. 



egg-laying record of, III, 227. 



notes on. III, 227, 408, 469. 



in Iowa E.xpt. Station bulletin. III, 307. 

 plant-lotisp, in Iowa, III 479. 

 sawfly. (See Sawfly.) 

 Plume moth, grape-vine, notes on. III, 469. 

 Plusia, parasite of. III, 72. 



experiments with bacteria affecting. III, 465. 

 brassica-, in Mississippi, I, 17; II, 283; III, 337. 



in Colorado, I, 382. 



parasitized by Copidosoma, 11, 253. 



in Mississippi, II, 283; III, 337. 



abundance of. III, 86. 



parasitized by Limneria tibiator. III, 157. 



larviB destroyed by disease, m.. Ill, 259. 



on cabb.age about Washington, m., V, 07. 

 . in Oklahoma, bull., ref., V, 148. 



in New Mexico, VII, 210. 

 californica, injuring grape in California, II, 56. 

 gamma, about 5Ioscow, I, 94. 



in Chile, I, 154, 155. 



on clover in England, m., V, 296. 

 Plutella, cabbage, in New Zealand, II, 121. 



in Canada report, ref., Ill, 359. 



serious injury by, in Indiana, II, 382. 



remedy against, m., V, 73. 



(Sec also Plutella crucifeJarum and Cab- 

 bage moth, diamond-backed.) 

 cruciferarum, differs from P. ochrella, I, 287. 



damaging cabbage in Africa, II, 2. 



on cabbage, II, 382. 



