678 



INDEX. 



Phylloxera, injection of carbon bisul- 

 phide against, in Algeria, 485 ; 



intercepted on vines in Br. 



Columbia, 507 ; in Italy, 455 ; 



mites accompanying, in Japan, 

 440 ; on vines in Korea, 274. 

 Phylloxera popularia, on poplars in 



California, 264. 

 Phylloxera salicola, on willow in 



California, 264. 

 Phylloxera t<ian,fordiana, sp. n., on 



Quercus doiiglasi in California, 

 264. 

 Phymafa erosa, predaceous on 



Chlorochroa sayiin U.S.A.. 399. 

 Physalis minima, food-plant of 



Epilachna dodecastigma and 



HeUotJiis obsolefain Sumatra, 508. 

 Physajms robusUis (see Kaloihrijys 



-gisivora). 

 Physapus tenuicornis (see Frank- 



liniella). 

 Physapus viilgatissimus, in Finland, 



468. 

 physapus, Thrips. 

 Physokermes, on Coniferae, 276. 

 Physokermes insiqnicola (Monterey 



Pine Scale), on shade-trees in 



U.S.A., 476. 

 Physokermes piceae. on Picea 



omorica in Balkans, 452. 

 Physopterus a'^irestis, in Shorea 



robust a in India, 291. 

 Physothrips xanthius (Yellow Orchid 



thrips), in West Indies, 186. 

 Phytalus smUhi, bionomics of, in 



West Indies, 414 ; establishment 



of Tiphia parallela against, in 



Mauritius, 5, 8, 414. 

 Phytelephas maerocorpa. attacked by 



Promecoiheca opacicollis in New 



Hebrides, 458. 

 Phyiodietus plenralis, parasite of 



Eulia pinaiubana in Canada and 



U.S.A., 393. 

 Phytodietus vulgaris, parasite of 



Evcosma ocellana in Nova Scotia, 



310. 

 Phytomeira, transmitting black rot 



of crucifers. 528. 

 Phytomeira aurifera, on vanilla in 



Madagascar and Reunion, 192. 

 Phytometra brassicae (Cabbage 



Looper), in U.S.A., 79, 298; 



effect of derris on, 497. 

 Phytometra californiea (Alfalfa 



Looper), in Br. Columbia, 479. 

 Phytometra gamma, parasitised by 



Plagia rural is in Denmark, 451. 

 Phytomeira iota, parasitised by 



Plagia, ruralis in Denmark, 451. 

 Phytometra nigrisigna, on gram in 



India, 72. 

 Phytometra rogationis, on tomatos 



in Porto Rico, 249. 



Phytomyza, on maize in Fiji, 312. 

 Phytomyza albiceps, on Leguminous 



plants in Denmark, 449. 

 Phytomyza pisi (see P. albiceps). 

 Phytomyza vi^albae, effect of 



meteorological conditions on, in 



Germany, 160. 

 Phytonomus (see IJypera). 

 Phytoptus (see Eriophyes). 

 Picea, Cryphalus abietis breeding 



in, in Britain, 276 ; 3Ielanophila 



fulroguttata in, in U.S.A., 226 ; 



(see Fir and Spruce). 

 Picea engelmanni (Engelmann 



Spruce), Melanophila acuminata 



on, in U.S.A., 226. 

 Picea excelsa (Norway Spruce), Ips 



pini on, in N. America, 430 ; 



Aphids on, in Britain. 542; 



Chermes abietis on, in Canada, 



26 ; pests of, in Finland, 272 ; 



probably attacked by Lygaeone- 



matus pini in Holland, 124. 

 Picea morinda, pests of, in India, 



292, 403, 404, 535. 

 Picea omorica, pests of, in Balkans, 



452. 

 Picea pungens glauca, probably 



attacked by Lygaeonematus pini 



in Holland,' 124. 

 Picea rubens (Red Spruce), Melano- 

 phila fulvoguttata in, in LT.S.A., 



226. 

 Picea sitchensis (Sitka Spruce), 



3Ielanophila spp. in, in U.S.A., 



226. 

 picea, Heptophylla. 

 piceae, Chermes ; Physokermes. 

 p ice ifrons , Sch istocerca. 

 piceum, AUssonotum. 

 piceus, Attaqenus. 

 pichtae, Lachniella. 

 picipes, Otiorrhynchus ; Thrips (see 



Taenioth r ips primvlae ) . 

 picirostris, Tychius. 

 Picric Acid, and calcium chloride, 



chloropicrin prepared from, 286. 

 Picromerus bidens, predaceous on 



Melasoma spp. in France, 320. 

 picta, Ceramica (Mamestra) ; Clitea. 

 picticornis, Diceratothrips. 

 pictipes, Aegeria {Synanthedon) ; 



Haplothrips. 

 pictus, Ghlaenius. 

 picus, Halyomorpha. 

 pieria, Comocritis. 

 Pieris, on cabbage in Britain. 442 ; 



control and para'^ites of, on 



cabbage in Denmark, 449, 450 ; 



on cabbage in Jamaica, 58 ; 



mea'^ures against, on cabbages in 



U.S.A., 81 ; experiments with 



insecticides against, 522. 

 Pieris brassicae (Cabbage Butterfly), 



parasitised by Apanteles glomer- 



