INDEX. 



739 



Wheat Bran, in formula for bait 



for grasshoppers, 48. 

 Wheat Bulb Fly (see Hykmyia 



coarctata). 

 Wheat Gall Midge (see Sitcdiplcsis 



mosellana). 

 Wheat Joint-worm (see Harmolita 



triiici). 

 Wheat Midge (see Ccntarinia 



iriiici) . 

 \\'heat-straw Worm (see Harmolita 



grandis). 

 Wheel Bug (see Arilits cristatus). 

 White Alder (see Alints rhombijolia). 

 White Ants (see Termites). 

 White Birch (see Bctula alba). 

 White Blotch Oak Leaf-miner (see 



Phyllorvcter hamadryadella). 

 White Cabbage Butterfly (see Pieris 



brassicae). 

 White Cedar (see Melia ccmposita). 

 White Cedar Scale (see Aspidiotus 



lataniae). 

 White Coffee Stem-borer (see 



AntJiores leiiconotus). 

 White Fir (see Abies covcolor). 

 White Grubs (see Lachnosterna and 



Lepidiota). 

 White Lead Paint, effect of, on 



Phryneta spinator, 70. 

 White :Moth Borer (see Scirpophaga 



xanthogastrcUa) . 

 White Pine (see Pinus strobiis). 

 White Pine Aphis (see Lachnus 



strobi). 

 White Pine Blister Rust (see 



Cronartium ribicola) . 

 White Pine Weevil (see Pissodes 



strobi). 

 White Poplar (see Populus alba). 

 White Scale (see Aspidiotus hederae 



and Pseudococcus vitis). 

 White Spruce (see Picea alba). 

 White-ear Disease of Cereals, caused 



by Limothrips cerealium in 



Germany, 359. 

 White-marked Tussock Moth (see 



Hemerocampa leucostigma) . 

 White-striped Weevil (see Perpenis 



instdaris) . 

 Whiteflies, parasites and control of, 



in Cuba, 5L 54 ; measures against 



on Citrus in Florida, 293 ; (see 



Aleurodes, etc.). 

 Whiteliy, Avocado (see Trialeurodes 



floridensis). 

 Whitefiy, Citrus (see Dialeurodes 



citri) . 

 Whitefly, Cloudy-winged (see 



Dialeiirodes citrifolii). 

 Whitefly, Greenhouse (see Aleurodes 



vapor arionim). 



Whitefly, Woolly (see Aleurothrixus 

 Jwwardi). 



whitei, Myztis. 



Wild Almond (see Brabeium stellati- 

 folium). 



Wild ]\Iango Wax Scale (see Cero- 

 plastes murrayi). 



Willow (Salix), bionomics of Phry- 

 ■neta spinator on, in South Africa, 

 70 ; pests of, in Britain, 58, 146, 

 343 ; Lepidopterous larvae inter- 

 cepted in, in California, 319 ; 

 Cecidomyiids forming galls on, 

 in France, 37 ; pests of, in 

 Germany, 268, 357, A'lQ ; aimxst 

 free from insect-galls in Lithuania, 

 420 ; Porthetria dispar on, in 

 Switzerland, 202 ; pests of, in 

 U.S.A., 187, 381, 464, 505. 



Willow Borer {seePhryneia spinator). 



Wilt Disease, 220 ; Bacillus thur- 

 ivgiensis infesting Ephesiia 

 huhniella with, in Germany, 252 ; 

 of Bcmbyx mcri, studies on, 257. 



Wind, influence of, on movements 

 of insects and plant diseases, 

 361, 393, 413, 502. 



Winncrtzia ccnoruni, sp. n., in 

 Picea excelsa in Germany, 255. 



Winter Moth (see Cheimatobia 

 brurnata). 



W inthemia qiiadripustulata, natural 

 enemy of Protoparce spp. in 

 Kentucky, 364. 



Wireworms, bionomics of, in 

 Britain, 137, 155, 348, 351 ; 

 variation in life-cycles of, in 

 Canada, 3 ; measures against, on 

 tobacco in France, 39 ; on sugar- 

 cane in Hawaii, 461, 526 ; in 

 Holland, 133 ; on cereals in 

 ]\resopotamia, 372 ; and their 

 control in U.S.A., 5, 45, 137, 188, 

 340, 509 ; destroyed by chloro- 

 picrin, 441 ; (see Agriotcs, etc.). 



Wisconsin, Cydia nigricana imported 

 into, from Canada, 95. 



Wistaria, new scale-insect on, in 

 South Africa, 447 ; pests inter- 

 cepted on, in U.S.A., 307. 



li'istariae, Lecaniuni . 



woghimi, A leiirocanthus. 



Woodlice, Dipterous parasites of, 

 in France, 261 ; intercepted in 

 Kansas, 14. 



Woodpeckers, destroying insect 

 pests, 174, 190, 266, 332, 381, 

 506. 



Woollen Goods, attacked by 

 Avthrenus s^-p., 158, 173, 270. 



Woolly Apple Aphis (see Eriosotna 

 lanigerum). 



