'34 



The Ottawa Naturalist. 



[Octobei 



These flies, many of wliicli liave llie 

 wings very prettily mottled, are all 

 poorly represented in the collection, 

 although some of the species are pro- 

 bably quite common. 



SCIOMYZID^. 



Tetanocera Boscii, Desv. 

 Tetanocera saratogensis, Filch. 

 Tetanocera decora, Loew. 

 Tetanocera rimbigua, Loew. 

 Tetanocera arcuata, Loew. 

 Tetanocera pictipes, Loew. 

 Tetanocera canadensis, Macq. 

 Tetanocera plumosa, Loew. 

 Sepedon foscipennis, Loew. 

 Sepedon armipes, Loew. 

 Sepedon pusillus, Loew. 



DiOPSlD.E. 



Sphyracephala brevicornis, Say This curious fly is not often observed. 



Sepsid^. 

 Nemopoda cylindrica, Fabr. Two specimens. 

 Sepsis violacea, Meig. Two specimens. 



Trypetid^. 

 Trypeta longipennis, Wied. Cominon ; May and June, 

 Trvpeta sparsa, Wied. One specimen, August 22nd. 

 Trypeta solidaginis, Fitch. Galls common on goldenrods. 

 Trypeta tabellaria. Fitch U. S. Nat. Mus. 

 Trypeta florescentiae, Linn. U. S. Nat. Mus. 



ORTALIDiE. 



Rivellia flavimana, Loew. Two specimens. 



Chffitopsis a^nea, Wied. Our commonest species ; May and June. 



Seoptera vibrans, Linn. Also common. 



Sapromyzid^. 



Sapromyza notata, Fall. 

 Sapromyza philadelphica, Macq. 

 Sapromyza lupulina, Fabr. 

 Lauxania cylindricornis, Fabr. 



Chlorops proxima. Say. 

 Chlorops assimilis, Macq. 

 Chlorops variceps, Loew. 

 Eurina exilis, Coq. 



The members of this family are 

 poorly represented in the collection. 



OsciNiD^. 



The foregoing remark applies equally 

 " well to this family. 



Drosophilid/E. 

 Drbsophila ampelophila, Loew. A large number bred from grapes. 

 Drosophila colorata. Walk. U. S. Nat. Mus. 



