XXIII 



Platypsyllus, systematic relations of, as deter- 

 mined bj- the laiva, article by C.V. Riley, 300. 

 castoiinus, characterization, 301. 

 castoris, 300. 

 Pleurota, relationships, 82. 



Plum Aphis distinguished from Hop Aphis, 71. 

 Curculio, Cook's treatment, 123. 



rebuttal of Wier's statements, 193. 

 Gouger, ovipositiou, 89. 

 Plusia brassicae iu Miss., 17. 

 in Colo., 382. 

 gamma about Moscow, 94. 

 in Chili, 154, 155. 

 Plutella cruciferarum, differs from P. ochrella, 

 287. 

 omissa n. .sp. Wlsm., descr., 258. 

 Pluteloptera ochrella, syn., 287. 

 Pocota, 5. 



Polistes bellicosa, Aletia enemy, 216. 

 Polysphincta, an external spider parasite, 42, 43, 

 171. 

 albipes from Lepidopterous cocoon, 43. 

 carbonarius from saw-fly, 43. 

 dictynse n. sp. Howard, descr., 107. 

 Potato Beetle in Xova Scotia, 109. 



in Ohio, 319. 

 Prionidus cristatus, enemy of Xematus ventralis, 

 37. 

 enemy to Honey Bees, 88. 

 Pristomerus vulnerator, parasite of Depressaria, 



93. 

 Privet Web- worm, article by E. and H., 22. 

 Proconia undata on orange, 53, 54. 

 Protacanthus milberti, Aletia enemy. 216. 

 Pronuba and Yucca pollination, article by C. V. 

 Kiley, 367. 

 maculata pollinizes T. whipplei, 372. 

 paradoxa pollinizes Y. brevifolia, 372. 

 Proteopteryx emarginata, allied species on wal- 

 nut, 157. 

 Proteoteras fesculana, parasite of, 161. 

 Psecadia discostrigella, "Wlsm.'s rcTia., 149. 

 fuscipedella n. sp. "Wlsm, descr., 150. 

 marmorea n. sp. Wlsm., descr., 149. 

 subcternlea, ayn , 149. 

 zelleriella, Wlsm.'s revis., 149. 

 I Pseudanaphora arcanella n. gen. Wlsm., position, 



195. 

 Psocidie, house infested with, 144. 

 Psocus, 145. 



Psyllobora tajdata, hydrocyanic acid gas on, 286. 

 Pterolonche lineatan. sp. Wlsm., descr., 288, 

 Pteromalus puparum, notes, 225. 

 Pthia picta injuring tomato, 357. 

 Pulicida;, aberrant forms iu, 300. 



placed in Aphaniptera by Westwood, 301. 

 I Purslane Caterpillar, article by R. and H., 104. 

 I Pj'ralidie, to be monographed, 93 

 Pyralis umbellarum, syn., 94. 

 Pyrameis cardui, parasite of, 161. 



hnntera, parasite of, 161. 

 Pyrethrum product in 1888, 356. 



R. 



Rear-horse domesticated, 156. 

 Red Bug injuring oranges, 190, 234. 



Red-horse, insect diet of, 159. 

 Red-legged Flea-beetle in peach orchards, 280. 

 , Red scale, hydrocyanic acid gas for, 286. 

 Red spider in England, 72. 

 in Chili, 155. 

 in Ceylon, 293. 

 evaporated sulphur for, 349. 

 Red Squirrel infested with Cuterebra, 215. 

 Rhingia, 5. 



Rhipiphorus an external pai'asite, 171. 

 Rhizococcus on grass in Dakota, 345. 



in Nova Scotia, 385. 

 Rhizophagns bipustulatus in wine-bottle corks, 91. 

 Rhodobaenus 13-punctatu3, food habits, 198. 

 Rhopalosiphum sp. injuring carrots in Tasmania, 

 362. 

 maidis, relations of ants to, 152. 

 Rhynchopborus, food habits, 199. 

 cruentatus in date palm, 14. 

 palmarum in sugar-cane, 186. 

 Rhyncolus, food habits, 198. 

 Rhyssa, habits, 169, 170. 

 curvipes, host of 169. 

 lunator, host of, 176. 

 persuasoria, host of, 169. 



old figures of, 173. 

 differs from Thalessa, 179. 

 Ribbon-footed Corn-liy of Europe, danger of im 

 porting to Australia, 193. 

 in Sweden, 35J. 

 Rice Weevil in India, 60. 



m Australia, 364. 

 Riley or Cj'clone nozzle, 243, 267. 

 River Carp, insect diet of, 159. 

 Robin destroying White Grub, 229. 

 Rock Bass, insect diet of, 159, 160, 161. 

 Rocky Mountain Locust in Northwest, 30, 65. 

 Rodolia iceryse. African Tcerya enemy, 130. 

 Root-knot disease, bulletin on, 360. 

 Rose Beetle, eau celeste for, 32. 

 swarming of, 91, 

 slug in Ohio, 319. 



Salutatory, 3. 



Sap Beetles in figs, 253. 



Saperda Candida on elm, 343. 



lateralis on hickory, 343. 

 Sarcopsylla penetrans in Chili, 154. 

 Saw-fly of the Sweet Potato, article by R. and H., 



43. 

 Scale Insects, gas treatment for, 41, 286. 

 Schizocerus ebenus, article by R. and H., 43. 

 Schizoneura lanigera in Chili, 153. 



in Australia, 362. 

 Sciurus carolinensis leucotis infested with Cute- 

 rebra, 215. 



hudsonias infested with Cuterebra, 215. 

 Scurfy Bark-louse on currants, 324, 383. 

 Scymnus, two new species, article by Dr. D. Sharp, 

 364. 



amabilis, Mexican Icerya enemy, 130. 



circularis n. sp. Sharp, descr., 365. 



restitutor n. sp. Sharp, descr., 364. 

 Australian Eriococcus enemy, 363. 

 Scyphophorus, food habits, 199. 



