768 



INDEX. 



Pernicious Scale (see Aspidioiits 



perniciosus) . 

 pernyi, Bombyx. 



Peronea, parasite of, in North 



America, 53 ; confused with 



Tortrix franciscana in U.S.A., 341. 



Peronea maxiniana, infesting fruit 



in British Columbia, 542. 

 Peryisia, on Verbasciim in Germany, 



278. 

 Perrisia affinis, measures against, 



on violets in France, 23, 360. 

 Perrisia beccariella, sp. n., on 

 Momordica pteromorpha in 

 Eritrea, 507. 

 Perrisia brassicae, on vegetables in 

 Denmark, 193, 363; weevils 

 associated with, on rape in 

 Germany, 548. 



Perrisia leguminicola (Clover-seed 

 Midge), in Canada, 161, 198. 



Perrisia papaveris, on poppy in 

 Germany, 277. 



Perrisia pvri, 594. 



Perrisia strobi (Spruce-cone Gall- 

 midge), natural enemies of, in 

 Bavaria, 607, 608, 609 ; Plenie- 

 liella abietina erroneously identi- 

 fied as, 607. 



Perrisia vaccinii (Cranberry Tip 

 Worm), parasitised by Ceraphron 

 pallidiventris in IMassachusetts, 50. 



perscillus, Centrinus. 



perseae, Chrysomphalns ; Conotra- 

 cheliis ; Gracilavia ; Heilipus. ■ 



persearum, Aspidiotus. 



persequens, Triphleps. 



Persia, Eiirygaster in, 603. 



persicae, Aphis ; Eulecanium {Le- 

 canium) ; Myzus {Myzoides, 

 Rhopalosiphum) . 



persicae-niger, Anuraphis {Aphis). 



Persimmon (Diospyros), Argyroploce 

 leucotreta on, in South Africa, 

 442 ; pests of, in California, 

 381 ; Avaecerus fascicidatus on, 

 in Florida, 236. 



personatiis, Chrysomphalus. 



perspeciosus, Alberns. 



perspicax, Gitonides. 



perspicillator, Microcryptus. 



perturbatus, Ips. 



Peru, Chenopodiuni quinoa a native 

 of, 276 ; pests from, intercepted 

 in California, 44. 



peruviana, Schistocerca. 



pervicax, Ceuthorrhynchus. 



Petasobathra sirina, on indigo in 

 India, 273. 



Petina sty lata, parasite of Dasychira 

 groenlandica in Greenland, 61. 



petiolata, Exorista. 



Petrol, injection of, into trees 

 against Coleoptera, 471, 473 ; as 

 a substitute for carbon bisulphide 

 against Phthorimaea operculella, 

 79. 



Petroleum, ants' nests destroyed 

 with, 610 ; ineffective against 

 Chilo simplex, 1 ; for protecting 

 seeds against flea-beetles, 94 ; 

 spraying with, against Rhvncho- 

 phorus pabnarum, 457 ; for pro- 

 tecting rubber against Platypus, 

 369 ; for protecting coconuts 

 against Strategus quadrifoveatus, 

 573 ; as an insecticide, need for 

 substitutes for, 114; (see Kero- 

 sine and Paraffin). 



Petroleum Emulsion, 184 ; against 

 Aphids and Coccids, 8, 9, 95, 344, 

 447 ; against Macrodactylus sutii- 

 ralis, 141 ; against melon pests, 

 367 ; against Pieris brassicae, 

 444 ; formula for, 447. 



Pezomachus, parasite of Depressaria 

 in Switzerland, 227. 



pfeifferi, Xanthogramma. 



Pflugis, destroying froghoppers in 

 "Trinidad, 262. 



Phaedon armoraciae, in Russia, 348, 

 350, 553. 



Phaedon cochleariae, genitalia of, 

 346 ; bionomics and control of, 

 in Russia, 329, 348, 350, 553. 



Phaenacantha aiistralica, bionomics 

 of, in Queensland, 9, 89. 



phaenacidis, Eurytoma. 



Phaeogenes arcticus, sp. n., parasite 

 of Peronea in North America, 53. 



Phaeogenes ater, parasite of Aegeria 

 pyri in U.S.A., 201. 



Phaeogenes planifrons, parasite of 

 Depressaria in Switzerland, 227. 



Phaeogenes plutellae, parasite of 

 PlnteUa maculipennis in Russia, 

 346. 



phaeorrhoea, Nygmia. 



Phagocytosis, in insects, 22. 



Phalangiwn parietinum , destro3ang 

 forest pests, 92. 



Phalera bucephala, measures against, 

 in Bulgaria, 496, 497. 



Phaleria chevrolati, in Barbados, 456. 



Phalonia roseana, on vines in France, 

 444. 



pharaonis, Monomorium. 



phaseoli, Agroniyza ; Tychea. 



Phaseolus, Alcides leucograuinins on, 

 in Southern Rhodesia, 19. 



Phaseolus aconitifolius, Eucosma 

 rnelanaula on, in India, 272. 



Phaseolus lunatus (Lima Bean, 

 ^Madagascar Bean), Agromyza 



