866 NEW YORK STATE MUSEUM 



283 Bullet gall, Holcaspis globulus Fitch 



284 Rough bullet gall, Holcaspis duricola Bass. 



285 Oak leaf bullet gall, Dryophanta polita Bass. 



286 Oak potato gall, Neuroterus batatus Fitch 



2 winged gallflies, D i p t e r a 

 Gall gnats, Cecidomyiidae 



287 Hickory leaf gall, Cecidomyia holotricha 



O. S. 



288 Willow cone gall, Cecidomyia strobiloides 



O. S. 



289 Balsam leaf gall, Cecidomyia balsa micola 



Lintn. 



Trypetid galls 



290 Small solidago gall, Trypeta polita Loew 



291 Large solidago gall, Trypeta solidaginis Fitch 



Psyllid galls, P s y 1 1 i d a e 



292 Hackberry leaf gall, Pachypsylla celtidis- 



m a m m a Kiley 



Galls of plant lice, A. phididae 



293 Witch-hazel gall, Ho rm aphis hamamelidis 



Fitch 



294 Cockscomb elm gall, Colopha ulmicola Fitch 



295 Poplar leaf stem gall, Pemphigus populi- 



transversus Riley 



296 Phylloxera galls, Phylloxera vitifoliae Fitch 



297 Larch aphid gall, Chermes abietis Linn. 



BEE AND WASP FAMILY, HymeilOptera (298-384) 



Long-tongued bees A p i d a e 



298 Honey bee, Apis m e 1 1 i f i c a Linn. 



299 Bombus virginicus Oliv. 



300 B. v a g a n s Smith 



301 B. terricola Kirby 



302 B. ternarius Sav 



303 B. fervidus Fabr. 



304 Psithyrus elatus Fabr. 



305 P. ashtoni Cr. 



