INDEX. 



829 



Wyoming, legislation against intro- 

 duction of Hypera variabilis into 

 British Columbia from, 583. 



X. 



Xanthiostci'iinin aphioncnin, gen. ct 



sp. n., in \\'cst Africa, 97. 

 Xanthogyamnia pfcilfcri, predacious 



on Lcpidoptcra in Mauritius, 559. 

 Xant/iopastis tiinais moUnoi, on 



lilies in Panama Canal Zone, 304. 

 Xanthovhoc pvaefcctata (Flax Grub), 



Svr pints ropalus predacious on, 



in New Zealand, 179. 

 Xfiwschcsis fulvipcs, parasite of 



sawflies in Holland and Germany, 



450, 589. 

 XevococcHsfouquieriae, gen. etsp. n., 



on Foiiqitieria pcninsulavis in 



Lower California, 229. 

 Xesiobiuin riijovillosum, Mcgatoma 



undata associated with, in 



Holland, 451. 

 Ximenia caffra, Argyroploce leiico- 



treta on, in South Africa, 442. 

 Xiphidium, destroying froghoppers 



in Trinidad, 262. 

 Xiphydria champlaini, sp. n., on 



Caypinus caroliniana in Pennsyl- 

 vania, 569. 

 Xiphydria hcvitierac, sp. n., on 



Heriticra foines in Bengal, 569. 

 XL-all, against Trama aitriculac, 



221. 

 xylchoriphaga, Phortica. 

 Xylchonis, food-plants of, in Dutch 



East Indies, 507, 605 ; in Hcvca in 



Java, 300 ; in diseased sugar-cane 



in Virgin Islands, 429. 

 Xyleborus coffeae, in coffee in l.)utch 



East Indies, 122, 507. 

 Xyleborus destruens, in teak in 



Dutch East Indies, 507. 

 Xyleborus dispar, in fruit-trees in 



France, 401 ; measures against, 



in fruit-trees in Oregon, 167 ; 



damage by Scolytus riigulosits 



mistaken for that of, 28. 

 Xyleborus fornicatus (Shot-hole 



Borer of Tea), bionomics and 



control of, in Ceylon, 121, 122, 



146, 216, 318. 

 Xyleborus grenadensis, in timber in 



Panama Canal Zone, 304. 

 Xyleborus obesus, natural enemies of, 



in forests in U.S.A., 356. 

 Xyleborus saxescni (see A', xylo- 

 graph us). 



Xyleborus swainei, sp. n., in forests 



"in U.S.A., 356. 

 Xvleborus xylographus, in fruit-trccs 

 'in I'^rance, 401 ; in Swit7xnland 



196. 

 Xvlechinus pilosus, in spruce in 



Finland, 600. 

 Xvlina antennata (Ashen Pinion), 



on apple in New York, 326 : 



banding effective against, 309. 

 Xylinagrotei, on apple in New York, 



326. 

 Xylina latieinerca (see Graptulit/ia). 

 Xvlobiops, measures against, in 



"timber in U.S.A., 577. 

 Xvlococcus matsimiurae (see Rfatsu- 



coccus). 

 Xylocopa, Megatoma undata asso- 

 ciated with, in Holland, 451. 

 Xylocrius agassizi (Black Gooseberry 



"Borer), in U.S.A., 168. 

 Xylocrius cribratus (Black Goose- 

 berry Borer), in U.S.A., 168. 

 xylographus, Xyleborus. 

 Xylonivges eridania (Semi-tropical 



Army Worm), food-plants of, in 



Florida, 235. 

 Xylomyges sunia, on cotton in St. 



Croix, 463. 

 xyloni, Solenopsis gcminata. 

 Xylonites praeustus, on fig in France, 



23. 

 Xylonites rctusus, on fig in France, 



"23. 

 Xylonomus propinquus, parasite of 



Hcspcrophanes griseus in France, 

 23. 

 Xylopertha picea, on Hevea in 



Kamerun, 106. 

 Xyloryctes satyrus, notice of early 



stages of, in U.S.A., 460. 

 Xyloscopa heterocrossa, gen. et sp. n., 



on Buchanania latifolia in Central 

 India, 123. 

 xylostella, Harpipteryx. 

 Xylotevinus politus, natural enemies 



of, in forests in U.S.A., 356, 357. 

 Xyloterus, associated with Saperda 



calcarata on aspen in U.S.A., 314. 

 Xyloterus doniesticus, in forests in 



"Finland, 600. 

 Xyloterus lineatus, in forests in 



Finland, 600. 

 Xyloterus obliteratus, associated with 

 Saperda calcarata on aspen in 

 U.S.A., 314. 

 Xvlotcrus signatus, in forests in 



"Finland, 600. 

 Xylotrechus, on coffee in Cochm 



"China, 509. 

 Xylotrechus javanicus, probably 



'identical with X. quadripes, 508. 



