836 



INDEX. 



Turnip Gall Weevil (see Ceuthor- 



rhynchus pleiirostigma and C. 



sulcicollis) . 

 Turnip Mud Beetle (see Helophorus 



rugosiis) . 

 Turpentine, against boring beetles 



in trees, 376, 456 ; against flea- 

 beetles, 264. 

 Turpentine Emulsion, ineffective 



against wireworms, 335. 

 Tiissilago, Myzus similis transferred 



to Hippophae from, in Germany, 



262. 

 Tussock Caterpillar, \^^lite-marked 



(see Hemerocampa leiico stigma). 

 Tussock Moth (see Hemerocampa). 

 Tussock Moth, Douglas Fir (see 



Hemerocampa pseudotsugata) . 

 Twelve-spotted Cucumber Beetle 



(see Diabrotica duodecimpunctata) . 

 Twelve-spotted Cucumber Beetle, 



Western (see Diabrotica soror). 

 Twig Mount Ant (see Iridoniyrmex 



conifer) . 

 Two-lined Chestnut Borer (see Agri- 



liis bilineatus). 

 Tychea phaseoli (see Geoica). 

 Tychea setulosa, on cereals in France, 



271. 

 Tychea silvestrii, sp. n., on Grami- 



naceae, 59. 

 Tylenchus, attacking pastures in 



Britain, 1 1 ; infesting potatoes 



in Germany, 466. 

 Tylenchus devastatrix (see T. dipsaci). 

 Tylcnchns dipsaci, food-plants of, in 



America and Europe, 243 ; in 



Britain, 230, 382 ; food-plants of, 



in Czecho-Slovakia, 290 ; food 



plants of, in Germany, 14, 17, 18 ; 



on lucerne etc. in Oregon, 544 ; 



bionomics and control of, 17 ; 



susceptibility of clovers to, 230. 

 Tylenchus hordei, on Poa pratensis 



in Denmark, 464. 

 Tylenchus scandens, measures 



against, in cereals in Britain, 10. 

 Tylenchus triiici (Cockle Eelworm), 



in wheat in New Zealand, 468. 

 Tyloderma fragariae (Strawberry 



Crown Borer), bionomics and 



control of, in Kentucky, 451. 

 Typha (Cat-tail), insects associated 



with, in U.S.A., 140, 514. 

 Typha latifolia, migratory forms of 



ApJiis vibiirnicola breeding on, 



in Germany, 262. 

 Typhlocyba australis (Australian 



Apple Leaf hopper), in Australia, 

 176 ; an introduced pest in New 



Zealand, 176, 467. 



Typhlocyba (Erythroneura) comes 

 (Grape Leaf hopper), in Ontario, 

 420 ; a minor sugar-cane pest in 

 Porto Rico, 97 ; measures against, 

 in U.S.A., 131, 169, 193, 239, 287, 

 306, 338. 



Typhlocyba rosae, on rose in Czecho- 

 slovakia, 486 ; on rose in Den- 

 mark, 62. 



Typhlocyba siibrufa, on rice in 

 Ceylon, 165. 



Typocerus lugubris, on oak in 

 Ontario, 417. 



Typocerus sinuatus, bionomics of, on 

 forage plants in U.S.A., 452 



Typodendron domesticum (see Xylo- 

 terus) . 



typographus, Ips. 



Typophorus canellus (Strawberry 

 Leaf Beetle, Strawberry Root 

 Worm), in Ontario, 420 ; food- 

 plants of, in U.S.A., 89, 218, 246, 

 311, 314, 332, 337, 480, 481 ; 

 bionomics and control of, 89, 218, 

 246, 311, 480, 481. 



Tyroglyphus, in imported products 

 in British Columbia, 126. 



Tyroglyphus farinae, in flour in 

 Bohemia, 14 ; in stored products 

 in Russia, 117. 



Tyroglyphus lintneri, on mushrooms 

 in America, 48 ; T. mycophagus 

 possibly identical with, 48. 



Tyroglyphus longior, in relation to 

 Tenebrio in Germany, 567 ; in 

 stored products in Russia, 117. 



Tyroglyphus mycophagus, bionomics 

 and control of, on mushrooms in 

 British Isles, 48, 49 ; bionomics 

 and control of, in Germany, 567. 



Tyroglyphus siro, in stored products 

 in Russia, 117. 



u. 



Udaspes folus, on ginger in Tra van- 

 core, 85. 



Ufens plicatus, parasites of, on 

 poplar in Canada, 398. 



Uganda, coffee pests in, 200, 228, 

 400 ; miscellaneous pests in, 200, 

 461, 614 ; danger of introduction 

 of Stephanoderes hampei into 

 French Colonies from, 228. 



ugandanus, Dysdercus. 



Ukraine, danger of introduction of 

 Loxostege sticticalis into Czecho- 

 slovakia from, 343. 



ukuzii, Macrotermes. 



ulkei, Sphenophorus. 



