Midge galls 



1 Small gall of Rhopalomyia capitata Felt, on golden- 



rod 



2 Galls of R h o p a 1 o m y i a r a c e m i c o 1 a O. S. among 



goldenrod blossoms 



3 Gall of R h o p a 1 o m y i a a n t h o p h i 1 a O. S. among gold- 



enrod blossoms 



4 Old gall of the nun midge, Asphondylia monacha 



O. S., on narrow-leaved goldenrod 



5 Fusiform gall, Rhopalomyia fusiform is Felt, on 



leaves and stems of narrow-leaved goldenrod 



6 Stemmed fusiform gall, Rhopalomyia pedicellata 



Felt, among flowers and on leaves of narrow-leaved golden- 

 rod 



7 Irregular mine in goldenrod leaf, adult not reared 



8 Blister gall of A s t e r o m y i a f 1 a v o 1 u n a t a Felt on 



goldenrod 



9 Blister gall of x\steromyia rubra Felt on goldenrod 

 ga Lower surface of leaf showing the whitish discoloration pro- 

 duced by the gall 



10 Small bhster galls of Asteromyia flavolunata Felt 



on solidago 



1 1 Blister gall on Asteromyia rosea Felt on Solidago 



r u g o s a 



12 Blister o-all of Asteromyia laeviana Felt on Aster 



1 a e y i s 

 1 2a Lower portion of leaf showing characteristic discoloration on 

 under surface of the gall 



13 Old blister gall of Asteromyia rubra Felt on solidago 



14 Blister gall of Asteromyia panic u lata Felt on 



Aster p a n i c u 1 a t u s 



15 Dark blister leaf gall of Asteromyia rubra Felt on 



solidago 

 15a Under surface of infested leaf 



16 BHster leaf gall of Asteromyia carbon if era Felt 



on narrow-leaved solidago 



17 Blister gall of Asteromyia on solidago, adult unknown 



216 



