INDEX. 



843 



Wind, influence of, on spread of 

 insects, 52, 449, 479, 495, 520, 

 556, 558, 587, 597, 605. 

 Winter Moth (see Cheimatobia bru- 



mata) . 

 Winter Moth, Large (see Hybernia 



defoliaria) . 

 Winthemia quadripustulata , para- 

 site of armv worms in U.S.A., 46, 

 190. 

 Wireworm, False (see Eleodes opaca). 

 Wireworm, Wheat (see Agriotes 



mancus). 

 Wireworms, in Britain, 10, 242, 366 ; 

 crop rotation against, in Canada, 

 388 ; in Czecho-Slovakia, 36, 466, 

 585 ; in Germany, 14, 18 ; on 

 tomato in Holland, 346 ; on 

 wheat in Switzerland, 553 ; in 

 U.S.A., 21, 333 ; measures 

 against, 15, 335. 

 Wisconsin, miscellaneous pests in, 



378, 379. 

 Wistaria, Cerambycid imported into 

 British Columbia in, 126 ; 

 Icerya puvchasi on, in France, 

 52. 

 Wisteria, American (see Bradleya 



fruiescens) . 

 Witch Hazel (see Hamamelis 



virginiana) . 

 Witchbroom Disease, of cacao, in 



Surinam, 279. 

 woeberiana,Enaymonia [Grapholitha) . 

 woglumi, Aleurocanthns. 

 Wohlfahrtia brunnipalpis, parasite 



of locusts in South Africa, 549. 

 Wolff's Biological Formula, 501. 

 Wood Shavings, in baits for locusts, 



547. 

 Wood Sorrel (see Oxalis). 

 woodi, Acarapis {Tarsonetnus). 

 Woodlice, on carrots in Britain, 49. 

 Woodpeckers, destroying noxious 



insects, 179, 521, 624. 

 Woodwardia, new Aphid on, in 



Formosa, 408. 

 woodwardiae, Myziis. 

 Wool, infested with Monopis ethel- 



ella in New Zealand, 632. 

 Woollen Goods, damaged hy Gryllus 

 domesticus inFra.\\CQ, 119; Niptus 

 hololeucus an introduced pest of, 

 in Germany, 443. 

 Woolly Apple Aphis (see Eriosoma 



lanigerum) . 

 Woolly Bear Caterpillar (see Tera- 



cotona submacula) . 

 Woolly Meadow Moth (see Hypo- 



gymna tnorio). 

 Woolly Mite, Cotton (see Eriophyes 

 gossypii) . 



Woolly Pear Aphis (see Eriosoma 

 pyricola) . 



Woolly Sugar-cane Aphis (see Oreg- 

 ma lanigera) . 



Woolly Whitefly (see Aleiirothrixus 

 howardi). 



wrighti, Dinapate. 



Wyoming, restrictions on importa- 

 tion of lucerne into Canada from, 

 against Hypera variabilis, 293. 



X. 



xanthogastrella, Scirpophaga. 

 xaniholeiicus, Scymnus. 

 xanthoptera, Arphia. 

 Xanthorhoe praefectata, on Phor- 

 miuni tenax in New Zealand, 123. 

 Xanthospilapteryx syringclla (see 



Gracilaria). 

 xanthosiylum, Apion. 

 xanthoterns, Chalcis hearseyi. 

 Xenufens ruskini, parasite of Lere- 



mus accius in U.S.A., 484. 

 Xestobium rufovillosum, in furniture 

 and timber in Britain, 383, 525 ; 

 measures against, 526. 

 Xestobium tessellatum (see X. rufo- 



villosuni). 

 Ximenia americana, Pseudococcus 

 filainentosus on, in West Sudan, 

 28. 

 Xiphidria attenuata, in Tilia ameri- 

 cana, in Pennsylvania, 457. 

 Xiphidria champlaini, in Carpinus 

 caroliniana, in Pennsylvania, 457, 

 458. 

 Xiphidria maculata, in Acer rubrum, 



in Pennsylvania, 457. 

 Xorides calidus, parasite of Phloeo- 

 trya quadrimaculata in Pennsyl- 

 vania, 457. 

 Xylastodoris luteolus, measures 

 against, on royal palms in Florida, 

 120. 

 Xyleborus, in forests in India, 369 ; 

 in cacao and mahogany in Dutch 

 East Indies, 375, 623 ; on coconut 

 in Jamaica, 167 ; a minor sugar- 

 cane pest in Porto Rico, 98. 

 Xyleborus coffeae, in coffee in Dutch 



East Indies, 375, 572. 

 Xyleboriis corporaali, sp. n., in 

 Hevea in Dutch East Indies, 573. 

 Xyleborus destruens, in India, 623 ; 

 bionomics of, in teak etc. in 

 Dutch East Indies, 622, 623. 

 Xyleborus dispar, in apple in Canada, 

 579; measures against, in Sweden, 

 65, 66. 



