INDEX. 



767 



Pemphigus pallidus, on Ulmiis in 

 Macedonia, 95. 



Pemphigus pistaciae, on Pistacia 

 terebinthus in Macedonia, 38. 



Pemphigus populicaulis, on poplars 

 in Minnesota, 437. 



Pemphigus populitransversus (Poplar 

 Gall Aphis), bionomics of, in 

 New Zealand, 43 ; on sliade- 

 trees in U.S.A., 437, 577. 



Pemphigus semilunarius, on Pistacia 

 terebinthus in Macedonia, 95. 



Pemphigus transversus, parasitised 

 by Leucopis nigricornis, 39. 



Pemphigus utriciilaris, on Pistacia 

 terebinthus in Macedonia, 95. 



penetrans, Tylenchns. 



peninsularis, Fonscolombia ; Lepi- 

 dosaphes ; Pulvinaria. 



penitalis, Panzeria [Pyraustomyia) ; 

 Pyrausta. 



Pennisetia hylaeiformis , parasitised 

 by Meniscus transversostriatus in 

 Germany, 140. 



Pennisetia marginata (Blackberry 

 and Loganberry Crown Borer), 

 intercepted in British Columbia, 

 13 ; bionomics and control of, in 

 U.S.A., 166, 373. 



Pennsylvania, pests of apples in, 

 33, n9 ; DiprioH simile in, 249 ; 

 grape-vine pests in, 309 ; presence 

 of Popillia japonica in, 33 ; pests 

 from, intercepted in California, 

 44, 266, 295, 514 ; restrictions on 

 importation of certain plants into 

 Canada from, 413 ; seeds from, 

 infested with Eucnocerus anthre- 

 noides in Hawaii, 602 ; legislation 

 relating to apiculture in, 598. 



pennsvlvanicus, Chauliognathus. 



pentagona, Diaspis [Aulacaspis). 



Pentaphis apuliae, sp. n., on 

 Cic'horium intybus in Italy, 227. 



Pentaphis viridescens, sp. n., on 

 roots of grasses in Itah', 227. 



Pentilia castanea, predacious on 

 Aleurocanthus woglumi in Panama 

 Canal Zone, 304. 



Pepper, Epicaerus formidulosus on, 

 in Florida, 236 ; mites on, in 

 Hawaii, 204 ; pests of, in India 

 and Ceylon, 75, 214, 580 ; utilisa- 

 tion of, for spreading beneficial 

 insects in California, 191, 340. 



Pepper, Black (see Piper nigrum), 

 perajfinis, Leipo.rais. 



percaudatus, Teirastichus. 



Perchloride of Mercury (see ^Mercury 



Perchloride). 

 percurrens, Rhogas {Heterogamus). 

 perdubius, Anaphes. 



peregrina, Pauridia ; Schistocerca. 

 Peregrinus maidis (Corn Leafhopper) , 



on sugar-cane and maize in Mexico, 



116; not transmitting mosaic 



disease of sugar-cane in Trinidad, 



615. 

 peregrinus, Zelus. 

 pcrforatus, Eucalymnatus [Lecanium) 



tessellatus. 

 perfrenis, Synnympha. 

 pergandei, Parlatoria ; Phenacoccus. 

 Pericytis apis, causing limebrood in 



bees in Germany, 550. 

 Peridroma saucia (see Lycophotia 



margaritosa) . 

 Perigea albigera, on Chrysanthemum 



in Barbados, 322. 

 Perilampus, parasite of Lygaeone- 



matus erichsoni, 94. 

 Perilampus hyalinus, parasite of 



Neodiprion lecontei in U.S.A., 267. 

 Perilissus filicornis, parasite of 



Lygaeonematus erichsoni, 94. 

 Perilitus epitricis, parasite of 



Phyllotreta pusilla in U.S.A., 204. 

 Perilitus leptopsi, parasite of Leptops 



hopei in Victoria, 8. 

 Perilitus rutilus, parasite of Sitona 



lineata in Britain, 171. 

 Perilitus terminatus, parasite of 



Coccinellids in Russia, 348. 

 Perillus bioculatus var. claudius, 



predacious on Monoxia puncti- 



collis in U.S.A., 203. 

 peringueyi, Hodotermes. 

 Periodical Cicada (see Tib ice n 



septemdecim) . 

 Periphvllus lyropictus, on shade- 

 trees in U.S.A., 577. 

 Periphyllus negundinis, on shade- 

 trees in U.S.A., 577. 

 Peripla)ieta americana (see Blatta). 

 Periplaneta australasiae, in green- 

 houses in Germany, 176. 

 Periplaneta orientalis (see Blatta). 

 Perisomena caecigena, on oak in 



Bulgaria, 498. 

 Perisporium ivrighti, introduced into 



Australia to destrov pricklv pear, 



565. 

 Perissopterus mexicanus, parasite of 



Diaspis pentagona in Japan, 453. 

 perixanthia, Amata. 

 Perkinsiella saccharicida (Sugar-cane 



Leafhopper), and its control in 



Hawaii, 150, 438, 439, 468, 602. 

 perla, Chrysopa. 

 perniciosa, Hyladaula. 

 perniciosi, ProspalteUa. 

 perniciosus, Aspidiotus ; Dacty- 



lopius (see Pseudococcus fila- 



mentosus). 



