INDEX. 



631 



Hazel (Corylus avellana), Pygaera 

 hucephala on, in Britain, 416 ; 

 pests of, in Denmark, 448 ; 

 D/epanotJirips reuteri on, in Cen- 

 tral Europe. 195 ; Aspidiotus 

 ostreaeformis on, in Italy, 66 ; 

 measures against Eriophyes cory- 

 Ugallarum on, in Sicily, 413 ; 

 pests of, in Spain, 210 ; pests of, 

 in U.S.A. 174, 404. 



Hazel, Witch (see Hamamelis). 



Heat, for treatina; walnuts against 

 (Jydia ponionella, 359 ; effect of 

 treating cotton seed with, against 

 Pectinophora gossypiella, 490 ; 

 eft'ect of, on pyrethnim as an 

 insecticide, 362, 440 ; effect of 

 excessive sterilisation with, on 

 germination of seeds, 477 ; experi- 

 ments to determine effect of, on 

 TylencMis derastatrix, 443. 



Heather, Pseudococcus intercepted 

 on, in California, 504. 



hebraeus, Polistes. 



Tiederae, AspidioUis. 



Hedgehogs, destroying (Hiorrhyn- 

 cMis siilcatus in Europe, 465. 



Hedylus clypeatus, sp. n., parasite 

 of fruit-flies in Nigeria, 437. 



Hedylus desideratus, sp. n., parasite 

 of fruit-flies in Nigeria, 437. 



heidemanni, Corythuca. 



Heilipus lauri (Avocado Weevil), 

 measures against introduction 

 of, into U.S.A., 18, 21, 214, 240. 



Heilipus piUieri, sp. n., introduced 

 uito Florida in Per sea pittieri 

 from Costa Rica, 241. 



Helcostisus mfiscutnm, sp. n., para- 

 site of PMoeosinus in N. America, 

 376. 



Helianfhus tuherosus (Jerusalem Ar- 

 tichoke), pests of, in U.S.A., 358. 



hel ichrysi, Brachyeawdus. 



Heliehrysuni ferriigineum, Mono- 

 chnmus p,stulator on, in Victoria, 

 248. 



Heliehrysuni parinfloriim, Monda 

 major on, in S. Africa, 392. 



helicis, Sarcophaga. 



Jieliopa, PhtJiorimaea (Gnorimo- 

 schema). 



HeUophila unipuncta (see CirpJiis). 



Heliothis, on tobacco in Dutch E. 

 Indies, 41, 389. 



Heliothis armigera (see H. ohsoleia). 



Heliothis obsoleta (Corn Ear Worm, 

 Cotton BoUworm), on cotton in 

 S. Africa, 331 ; on cotton in 

 Antigua, 512 ; on tomatos in 

 Canada, 506 ; on Pisum sativum 

 in Chile, 253 ; on gram in India, 

 72; measures against, in Jamaica, 

 57 ; on tobacco in Sumatra, 

 508 ; intercepted on tomatos. 



etc., in U.S.A., 215, 361, 427, 

 504 ; bionomics and control of, 

 in U.S.A., 40, 61, 79, 105, 205, 

 206, 277, 392, 409 ; on maize 

 in New South Wales, 84. 



Heliothis varia, on cotton in Colom- 

 bia, 534. 



Heliothrips bicinetus, sp. n., in 

 hot-houses in Britain, 543. 



Heliothrips fasciatus (Bean Thrips), 

 measures against, in U.S.A., 36, 

 206. 



Heliothrips femoralis, in hot-houses 

 in Britain, 543. 



Heliothrips haemorrhoidalis, food- 

 plants of, in Cuba, 349 ; on 

 avocado in California, 198 ; food- 

 plants of, in West Indies, 185 ; 

 on banana in Spain, 543. 



Heliothrips minutissimus, sp. n., on 

 violet in India, 543. 



Heliothrips pattersoni, sp. n., on' 

 granadilla in Gold Coast, 543. 



Heliothrips rubrocinctus (Cacao 

 or Red-banded Thrips), biono- 

 mics and control of, in West 

 Indies, 185, 186, 257, 349, 530, 

 531. 



Hellebore, spraying and dusting 

 with, against Monophadnus rubi, 

 5, 340; prepared from Veratrum 

 viride, 543. 



helluo, Lycosa. 



Helopeltis, measures against, on tea 

 in Dutch E. Indies, 31, 32, 39, 

 64, 107, 388, 389, 499, 500. 



Helopeltis antoriii, food-plants of, in 

 Dutch E. Indies, 64, 389. 



Helopeltis bergrothi, food-plants of, 

 in Uganda. 260. 



Helopeltis cuneatus, attacking Ara- 

 ceae in Dutch E. Indies, 31,. 



Helopeltis sumatranus, in Sumatra, 

 64, 425 ; a more important pest 

 of Uncaria gambir than Hyalope- 

 plus uncariae in Sumatra, 425. 



Helopeltis theivora (Tea Mosquilo), 

 food-plants of, in Sumatra, 31, 

 64 ; measures against, in India, 

 375, 534. 



helx ines, Crepidodera. 



Hemerobius stigmaterus, predaceous 

 on Phorodon humuli in U.S.A., 

 175. 



Hemerocampa (Tiissock Moth), lead 

 arsenate against, in Nova Scotia, 

 305 ; in U.S.A., 23, 173, 340. 



Hemerocampa leucostigma (White- 

 marked tussock Moth),in orchards 

 and forests in Canada, 25, 26, 

 43, 44, 45, 178, 338, 525, 526; 

 bionomics of, in U.S.A., 115, 

 203, 320, 429. 



Hemerocampa vetusta gulosa, on 

 conifers in Br. Columbia, 212, 479. 



