1 7 A distinctly smaller, fimbriate, cylindric gall on Crataegus, pos- 



sibly identical with the preceding, adult not reared 



1 8 Globose galls on poplar leaves from which has been reared 



Mycodiplosis populifolia Felt, this latter pos- 

 sibly an inquiline 

 '9 Ocellate galls on Corn us stolonifera from which has 

 been reared Lasioptera corni Felt 



