INDEX. 



703 



Pityokteines minutus, in Pseudotsuga 

 taxifolia in N. America, 265. 



Pityokteines sjiarsus (Eastern Fir 

 bark-beetle), in conifers in Canada, 

 541. 



Pityophagus ferrugineus, predaceous 

 on Hylastes and Myelophilus in 

 Britain, 116, 154. 



Pityopharus nitidulus, bionomics of, 

 in spruce in U.S.A., 263. 



Pityophthorus niicrographus, in 

 spruce in Bosnia, 410. 



plac ida, Ch rysophana. 



Plaesius javanus, suggested intro- 

 duction of, into St. Lucia from 

 Java against Cosmopolites sordi- 

 dus, 516. 



Plagia amerieana, parasite of Phyto- 

 metra eaUfornica in N. America, 

 210. 



Plagia ayerzia, sp. n., parasite of 

 itachiplusia nu in Argentina, 428. 



plagiatus, Astiphrommus ; Euagoras. 



plagifera, Odanestis. 



Plagiodera versicolor, control of, 

 on poplar and willow in New 

 Jersey. 205. 



Plagiognathus annulatus, predace- 

 ous on Ghaitophorus negundinis 

 in U.S.A., 164. 



Plafjiolepis longipes (Gramang Ant), 

 relation of, to Coccus colemani in 

 India, 321, 322; on cacao and 

 colfeein Dutch E. Indies, 349, 350. 



planatus, Oliorrhynchus. 



Plane {Platanus), Alenroehiion aceris 

 on, in Italy, 143. 



planifrons, Clytus. 



Plant Pest Legislation, in S. Africa, 

 358 ; in Canada, 136, 472 ; in 

 Cuba, 379 ; in India and Ceylon, 

 40, 87 ; in British West Indies, 

 33, 472 ; in Dutch E. Indies, 

 505 ; in Italy, 136 : in Japan, 

 520 ; in Porto Kico, 485 ; in 

 Spain. 427 ; in U.S.A., 1, 40. 



Plantago rirginica, Aeolothrips 

 bitolor on, in Florida, 505. 



Plantain (Musa), no j)i'ohibition 

 against importation of. into Porto 

 Rico, 485 ; pests of, in St. 

 Lucia, 515, 516 ; some species of, 

 immune to attacks of Cosmopolites 

 sordidus in Seychelles, 377. 



Plaintain (Plantago), alternative 

 host-plant of Aphis malifoliae in 

 U.S.A., 417. 



Plaster of Paris, ineffective against 

 cockroaches, 532. 



platani, Stoinacoccus. 



pilatanoides, Drepanosiphum (Aphis). 



Platanus occidentalis ^ (Western 

 Sycamore, Buttonwood), bio- 

 nomics and control of Gorythuca 

 ciliata on, in U.S.A., 102. 



Platanus orientalis (Eastern Plane), 

 not attacked by Gorythuca ciliata 

 in U.S.A., 102. 



Platanus raceinosn, pests of, in 

 U.S.A., 53, 102. 



Platanus wrighti, Gorythuca ciliata 

 on, in U.S.A., 102. 



platensis, Oeceticus ; Pulvinaria ; 

 Tetrastichus. 



Platychirus perpalUdus, beneficial 

 in Maine, 242. 



Platychirus quadratus, beneficial in 

 Maine, 242. 



Platycodon grandiflorum, Macrosi- 

 phwm rudbeckiae on, in Japan, 

 548. 



Platyedra vilella, bionomics of, in 

 Transcaucasia and Turkestan, 

 346. 



Platygaster, parasite of canker- 

 worms in Kansas, 546. 



Platygaster contorticornis, parasite 

 of Perrisia strobi in Sweden, 91, 

 92, 333. 



Platyparea poedloptera, on aspara- 

 gus in Italy, 143. 



Platyptilia pusiUidaciyla, destroying 

 Lantana in India, 124 



Platypus, in cacao in Belgian 

 Congo, 79 ; in Shorea robusta in 

 India, 522. 



Platypus tvilsoni, bionomics and 

 control of, in conifers in N. 

 America, 265. 



Plautia fimbriala, a minor pest of 

 mulberry in Formosa. 174. 



Plautia stali (see P. fimbriata). 



plebeius, Anomalipus. 



Plegaderus vulneratus, parasite of 

 bark-beetles in Bosnia, 410. 



Plemeliella abietana (Fir-seed Gall- 

 midge), infesting fir-cones in 

 Germany, 5. 



Plesiocoris rugicollis (Apple Cap- 

 sid), control of, on apples in 

 Britain, 238, 278-280, 436, 508. 



Plesispa reichei, on coconut in 

 Malaya, 523. 



Pleurotropomy iu aeneoscutellum, 

 parasite of Cosmopteryx in Aus- 

 tralia, 387. 



Pliomelaena (see Euaresta). 



Plochionis timidus, predaceous on 

 Hyphantria cunea in Connecticut, 

 456. 



Plodia interpunctella (Indian Meal 

 Moth), bionomics of, in U.S.A., 

 112, 246, 425, 457; fumigation 

 with chlorpicrin against, 491. 



plorabunda, Ghrysopa. 



Pluchea sericea (Arrowweed), food- 

 plant of Myochrous longulus in 

 Arizona, 22. 



Plum, measures against Capnodis 

 on, in N. Africa, 400 ; Cydia 



