1 Wing ofOligotrophus betulae Winn., C. 964, X 20 



2 Wing of Sackenomyia acerifolia Felt, C. 38, X 20 



3 Wing ofjanetiella nodosa Felt, C. 1049, X 20 



4 Wing ofjanetiella asplenifolia Felt, C. 1103, X 20 



5 Wing of Cincticornia transversa Felt, C. S3, X 20 



6 Wing ofMayetiola thalictri Felt, C. 98, X 20 



7 Wing ofSchizomyia viburni n. sp., C. 1212, X 20 



8 Wing of Asphondylia monacha, female O. S., C. 761, X 20 



9 Wing of Asphondylia monacha, male, C. ai336, X 20 



