KEY TO AMERICAN INSECT GALLS 



195 



Fusiform, stemmed, red-marked, green gall, length 13 to 14 mm. Felt 'i 5!, 

 p. 262 



Itonid. Goldenrod stemmed gall, R h o p a 1 o m y i a p e d i c e 1 1 a t a 



Felt 



A 



I \ 



Fig. 218. Goldenrod 

 stem midge, L a s i - 

 optera cylindri- 

 g a 1 1 I e Felt. (Au- 

 thor's illustration) 



Fig. 2:q. Knotty goUenrod gall, 

 Lasiopterasolidaginis O. S. 

 One fc;all broken open to show interior. 

 (Origmal) 



Subglobular. green gall near the tip, diameter 1.5 cm. Felt 'i5i, p. 264 



Itonid. Rhopalomyia lobata Felt 



