INDEX. 



665 



Ponfania salicis, on willow in Italy, 

 202 ; on red osier in Astraclian, 

 328. 



Pontia rapae (see Pieris). 



popeonellus, Acrolophus {Anaphora). 



Popillia biguttaia, on cassava in 

 Java, 84. 



Poplar {Popiilus), Polydriisus im- 

 pressifrons on, in America and 

 Europe, 451, 519; pests of, in 

 Astraclian, 327 ; pests of, in 

 Britain, 123, 469; pests of, in 

 Canada, 118, 249, 430, 518; 

 pests of, in France, 305, 424 ; 

 pests of, in Italy, 201, 202 ; 

 Plagiodera versicolora imported 

 into New Jersey on, 198 ; 

 Melasoma populi on, in Norway, 

 504; pests of, in Russin, 331, 

 457, 459 ; pests of, in Turkestan, 

 209, 493 ; pests of, in U.S.A., 14, 

 69, 72, 239, 246, 247, 318. 



Poplar, California, Trichiocatnpus 

 viminalis on, in Canada, 516. 



Poplar, Carolina, Trichiocampus 

 viminalis on, in Canada, 517. 



Poplar, Italian, Croesus septen- 

 trionalis on, in Norway, 504. 



Poplar, Lombardy, Tortrix cerasi- 

 rorana on, in New York, 446. 



Poplar, ^Vliite (see Populiis alba). 



Poplar Borer (see Saperda cal- 

 car at a). 



Poplar Hawk Moth (see AmorpJia 

 populi). 



Poplar Root Weevil (see Poly- 

 d rusus i mp ressifrons ) . 



Poplar Sawfly (see Tricluocampus 

 viminalis). 



Poppies (Papaver), Aphis rumicis 

 on, in Britain, 398; j)ests of, in 

 Russia, 207, 332, 459. 



popidi, Amorpha {Smcrinilius) ; 

 Chaitophorus ; Melasoma (Chry- 

 somela, Lina) ; Ehynchites. 



populifoliella, Phyllorycter (Liiho- 

 colleUs). 



populnea, Saperda. 



Popidus alba (White Poplar), 

 Chaitophorns poptdi on, in 

 Russia, 458; little liable to 

 attack by Cryptorrhynchus lapa- 

 thi, 518. 



Popidus balsamifera, Cryptorrhyn- 

 chus lapatJii on, in Canada, 518. 



Populus canadensis, Pleronus hud- 

 soni on, in U.^^.A., 72. 



Popvlus candicans, Cryptorrhynchus 

 lapathi on, in Canada, 518. 



Popuhis deltoides (Cottonwood), 

 pests of, in Canada, 249, 430, 

 518; Empoasca obtusa. on, in 

 U.S.A., 130; Lepidosaphes uhni 

 intercepted on, in California, 

 400. 



Populus nigra italica, Empoasca 

 obtusa on, in U.S.A., 130. 



Popidus tremula (see Aspen). 



Popidus tremuloides (Ameiican 

 Aspen), little attacked by Cryp- 

 torrhynchus lapathi in Canada, 

 518. 



porcellus, Pergesa (Metopsilus). 



poricollis, Cryptorrhynchus. 



Porogymnaspis angulata, gen. and 

 sp. n., on Pandanus odoratissimus 

 in N. Australia, 323. 



Porogymnaspis rufa, sp. n., on 

 Pandanus odoratissinms in N. 

 Australia, 323. 



Poropoea defilippii, parasite of 

 Byctiscus betulae in Italy, 425. 



Poropoea stollwercli, parasite of 

 Attelabus nitens in Italy, 425. 



Porosagrotiso')ihogonia(Pa\(:We?:teTn 

 Cutworm), control of, on cereals 

 in Canada, 118, 346. 



porteri, Aleurothrixus ; Aphidius ; 

 Phloeotribus. 



PoHhesia (see Euproctis). 



Porthetria dispar (see Lymantria). 



Porto Rico, bionomics of Ecpan- 

 tlieria eridanus in, 279 ; Sirategus 

 titanus in, 153 ; pests of sugar- 

 cane in, 115, 365; pests of 

 tobacco in, 365, 366 ; attempt to 

 introduce beneficial parasites 

 into Java from, 84. 



Portugal, Ehacodineura aniiqua in, 

 324 ; new Cynipids and Cecido- 

 myiids from, 349. 



Portulaca oleracea (Purslane), new 

 weevils on, in India, 127. 



portulacae, Paris ; Ceuthorrhynchus. 



postica, Orgyia. 



Potassium Arsenate, in bait against 

 Chortophila brassicae, 465; against 

 termites, 182. 



Potassium Bicarbonate, as a soil 

 disinfectant, 85. 



Potassium Cyanide (see Hydro- 

 cyanic Acid). 



Potassium Polysulphide (Liver of 

 Sulphur), in sprays against 

 Aphids on plums in Britain, 

 533 ; preparation and cost of, 

 against Chrysomphalus dictyo- 

 sperm i, 147. 



Potassium Sulphide, against Em- 

 poasca notata, 65 ; formula for, 

 against Tetranychus telarius, 320, 

 512. 



Potassium Sulpliocarbonate, against 

 Opatrum depressum, 80 ; against 

 Phylloxera, 158. 



Potato {Solanum tuberosum), Epil- 

 achna dregei on, in S. Africa, 

 393, 394 ; Phthorimaea oper- 

 culella on, in Australia, 254 ; 

 Tetranychus telarius {bimaculatus) 



