740 



INDEX. 



Woolly Whitefly (see Aleurothrixus 

 howardi) . 



Wren, destroying noxious insects in 

 U.S.A., 174. 



Wyoming, Lepidosaphes beckii inter- 

 cepted in California on grape- 

 fruit from, 182; legislation regard- 

 ing importation of lucerne into 

 Canada from, 416. 



X. 



xanthaenohaves , Dioryctria. 

 xanthenes, Gortyna (Hydroecia). 

 xanthindynia, Cosmophila (see 



Anomis erosa). 

 Xanthium, food-plant of Pyrausta 



ainsliei in U.S.A., 1 16. 

 Xanthoencyrtus apterus, parasite of 

 Trionymus insularis in Hawaii, 



437. 

 xanthogastvella, Scirpophaga. 

 Xanthogramma, predaceous on 



Aleurodes comata in Fiji, 27. 

 xanthomelaena, Disonvcha ; Gale- 



ruca (see Galerucella luteola). 

 Xanthoma villosula, in forests in 



New York, 33. 

 Xanthovhoe praefectata (New Zealand 



Flax Grub), parasitised by Panis- 



cus productus in New Zealand, 63. 

 Xenodosus sanguineus, predaceous 



on bark-beetles in U.S.A., 510. 

 Xesmatia flavipes, gen. et sp. n., in 



Hawaii, 437. 

 Xestobium rufovillosum (Death- 

 watch Beetle), measures against, 



in furniture in Britain, 443. 

 Xiphidium varipenne, predaceous on 



Perkinsiella saccharicida in Hawaii 



20. 

 Xiphispa, possibly the correct 



generic name for Brontispa chaly- 



beipennis, 254. 

 Xiphydria accepta, in dead timber 



in New Zealand, 63. 

 Xiphydria camelus (Wood wasp), in 



birch, parasitised by Aulacus 



striatus in Holland, 407. 

 Xorides, notice of key to species of, 



417. 

 Xyleborinus pecanis, in sweet 



potatoes in U.S.A., 248. 

 Xyleborinus saxeseni (see Xyleborus 



xylographus) . 

 Xyleborus, attacking tea in Dutch 



East Indies, 456 ; in Madras, 130 ; 



intercepted in wistaria in U.S.A., 



307. 

 Xyleborus biporus, measures against, 



in Hevea in South India, 243. 



Xyleborus coffeae, in coffee in Dutch 

 East Indies, 330, 406. 



Xyleborus coffeivorus (see Stephano- 

 deres hampei). 



Xyleborus compactus, measures 

 against, in Colfea robusta in South 

 India, 243. 



Xyleborus destruens, in teak in 



Dutch East Indies, 329. 

 Xyleborus dispar, in barked oak 

 logs in Austria, 176 ; in Morocco, 

 121 ; in Russia, 106. 



Xyleborus fornicatus (Shot - hole 

 Borer of Tea), 456 ; bionomics 

 and control of, in Ceylon, 1 10, 209, 

 210, 304, 519, 521 ; legis- 

 lation against, in Ceylon, 168 ; 

 food-plants of, in India and 

 Penang, 209 ; apparently not 

 present in South India, 243 ; in 

 tea in Dutch East Indies, 330, 

 537. 



Xyleborus kraatzi (see X. perforans) . 



Xyleborus monographus, in oak in 

 Russia, 106. 



Xyleborus perforans, in cacao in 

 Dutch Guiana, 536 ; in rubber in 

 Dutch East Indies, 494. 



Xyleborus schlichi, in Heritiera fomes 

 in India, 60. 



Xyleborus xylographus, in barked 

 oak logs in Austria, 176. 



Xylechinus bergeri, sp. n., in Phello- 

 dendron amurense in Siberia, 10. 



Xyleutes boisduvali, on Eucalyptus 

 iereticornis in Queensland, 156. 



Xylina antennata (see Graptolitha) . 



Xylococcus alni, sp. n., on Alnus 

 japonica in Japan, 375. 



Xylococcus betulae, notice of life- 

 cycle of, 419. 



Xylococcus niacrocarpae, on cypress 

 in California, 394. 



xylographus, Xyleborus. 



Xylomyges eridania (Semi-tropical 

 Army Worm), bionomics and 

 control of, on castor-oil plants in 

 Florida, 235 ; effect of inocula- 

 ting with Sorosporella uvella, 169, 

 170. 



Xylomyges sunia, occasionally found 

 on cotton in Porto Rico, 303. 



Xylonites retusus, on elm in Russia, 

 105. 



Xylonomus propinquus, parasite of 

 Hesperophanes griseus in France, 

 37. 



Xylopertha, damaging lead in 

 Queensland, 81. 



Xylopertha declive, damaging lead- 

 covered cables in California, 81 

 (note). 



