REPORT OF THE STATE ENTOMOLOGIST 1901 865 



265 Bag worm, Thyridopteryxephemeraeforraia 

 Haw. Pi-iiieipal food plants: ai-bor vitae, red cedar. 



Treatment: Hand pickino-, spray with arsenical poisons. 



Chief accessible articles: Lintner, J. A., state ent. 1st rep't, 

 '82. p. 81-87; Riley, C.V. T\ S. dep't agric. div. ent. Bui. 10. '87. 

 p. 22-28; Felt, E. P. Fisheries, game and forest com. 5th rep't, 

 '99. p. 359-63. 



266 Spiny elm caterpillar, E u v a n e s s a a n t i o p a Linn. 

 Principal food plants: elm, willow, poplar. 



Treatment: Spray infested trees with arsenical poisons. 



Chief accessible articles: Weed, C. M. N. H. agric. exp. sta. 

 Bui. '67. '99. p. 125-41; Felt, E. P. Fisheries, game and forest 

 com. 5th rep't, '99. p. 368-71. 



267 P t e r o m a 1 u s f u s c i p e s Prov. A parasite of 266. 



WORK OF GALL IXSECTS (26S-97> 



Galls of sawflies, Tenthredinidae 



268 Willow apple gall, P o n t a n i a p o m u m Walsh 



4 winged gallflies, C y n i p i d a e 



269 Mealy rose gall, K h o d i t e s i g n o t a O. S. 



270 Mossy rose gall, R h o d i t e s r o s a e Linn. 



271 Large oak apple, A ni p h i b o 1 i p s c o n f 1 u e n t u s 



Harr. 



272 Black scrub oak apple, A m p h i b o 1 i p s i 1 i c i f o 1 i a e 



Bass. 



273 Oak plum gall, A m p h i b o 1 i j) s p r nuns Walsh 



274 Gall of wool sower, A n d r i c u s s e m i n a t o i- Harris 



275 Oak leaf -stalk gall, A n d r i c u s p e t i o 1 i c o 1 a Bass. 



276 Oak- wool gall, A n d r i c us la n a Fitch 



277 Woolly oak gall, A n d r i c u s o i) e r a t o r ( ). S. 



278 Fuzzy chestnut leaf gall, '.' C y u i p s jMinoides 



Beutm. 



279 Lobed oak gall, C y n i i> s s t r o b i 1 a n a O. S. 



280 C y n i ]) s d e c i d n a Bass. 



281 Oak fig gall, B i o r h i z a fort c o mis \Valsh 



282 Larger empty oak apple, FT o 1 c a s p i s in a n i s O. S. 



