20 
Vigarrha Navas Ins. 357 
Villostrichalus Pic Ins. 180 
Volucellobombus Skorilcov Ins. 257 
Waddycephalus Sambon Arachn. 32 
Wagnericeras Buclcman Moll. 8G 
Waterstoniella Qrandi Ins. 275 
Wesmaelius Kriiger Ins. 3G0 
Westwoodiana Oirault Ins. 277 
Wheelerimyrmex Mann Ins. 271 
Wiegmannia Hesse Moll. 59 
Wolcottia Chapin Ins. 174 
Xantlioplectes Roberts Aves G9 
Xantliorhynohns Roberts Aves 53 
Xantkosirex Semenov -Tian-Shanski 
Ins. 293 
Xenacodon Matthew & Granger Mam. 
43 
Xenocylapus Bergroih Ins. 400 
Xenolimnopbila A lexancler Ins. 371 
Xenolispa Malloch Ins. 389 
Xeroptera Bolton Ins. 430 
Xestoclonius Schmidt Ins. 238 
Xestogaster Marshall Ins. 231 
Xiphydriola Semenov • Tian - Shanslci 
Ins. 293 
Xipliypops Jordan Pisces 2G 
Xoanon Semenov - Tian - Shanslci Ins. 
293 
Xubida Schaus Ins. 343 
Xylastodoris Barber Ins. 397 
Xylodryas Turner Ins. 332 
Ypiranga Mello-Leitdo Arachn. 28 
Ypselogonia Kleine Ins. 235 
Ypsilocarpa Arnbdck-Chrislie-Linde 
Proch. 4 
Yucanda Ball da Hartzell Ins. 403 
Zalestes Casey Ins. 231 
Zalinus Casey Ins. 231 
Zanclopliorus Baylis da Daubney Verm. 
28 
Zanonia Masi Ins. 282 
Zanysson Rohwer Ins. 2G4 
Zasenoclia Rohwer Ins., 293 
Zathanius Casey Ins. 231 
Zealleyella Arnold Ins. 272 
Zelatractodes Enderlein Ins. 391 
Zelandotipula Alexander Ins. 373 
Zeugonyx Notrnan Ins. 231 
Zinolia Issel Moll. 44 
Zomba Bryant Ins. 251. 
Zoniomyia Pleslce Ins. 374 
Zonochares Meyrick Ins. 356 
Zuluia Rehn Ins. 425 
Zygozalestes Casey Ins. 231 
Zyrcosoides Jlustache Ins. 231 
Zyzzyva Casey Ins. 231 
