DIPTERA. 37 



T. fuliginosa (Say, 9 ) (T. speciosa Loew, cf ). 



N. H.— 15. Vt.— 21. June 6-21. 



Mass.— 23, 27, 28. R. I.— 33. Conn.— 35. June 5-22. 



T. georgiana Alexander, 15-134, 



Mass.— Cambridge; Wellesley, May 28, 1908 (Morse). R. I.— 

 Buttonwoods, June 20. 



T. grata Loew. 



Me.— 7, 8. N. H.— 11. Vt.— 17, 21. June 9-Aug. 16. 



Mass.— 23, 26. June 29-Aug. 8. 



T. hebes Loew. 



Me.— 4, 8, 9. N. H.— 11, 15. Vt.— 20, 21. June 4-Aug. 17. 



Mass.— 23, 24, 27, 28. July 20-Sept. 10. 



T. hermannia Alexander, 15-480 {T. fasciata Loew, not Linne). 

 Me.— 4, 8, 10. N. H.— 14. Vt.— 17, 21. June 8-Aug. 25. 

 Mass.— 23, 24, 27. Conn.— 35. June 5-Aug. 24. 



T. hirsuta Doane. 



Vt. — Bennington, June 24; Manchester, June 24 (Morse). 



Mass. — Cohasset, June 25. R. I. — Newport, June 5. 



T. ignobilis Loew. 



Me.— Mt. Desert, Aug. 4. N. H.— Franconia; White Mts. 



Vt. — Manchester, June 4. 

 Mass. — North Adams, Aug. 8 (Bryant). Conn. — Colebrook, 



Aug. 10 (Wheeler). 



T. insignifica Alexander, 24-117. 



N. U.—Mt. Washington, "Alpine Garden," Sept. 21, 1919. 



T. ignota Alexander, 15-128 (T. discolor Loew, not Gmelin). 



Mass.—. 



T. Iroquois Alexander, 15-128 (T. cincta Loew, not Gmelin). 

 Me.— Bar Harbor, June 13. N. H. — Mt. Washington (Mrs. 



Slosson) ; Jaffrey, June 24. 

 Mass.— Chester, May 26-28; Mt. Toby, May 20-29 (Alexander). 



T. johnsoniana Alexander, 15-505. 

 Vt. — Diimmerston, July 14, 1908. 

 Mass.— Mt. Greylock, Aug. 8 (Bryant). 



T. latipennis Loew. 



Me.— 4, 7, 8. N. H.— 11, 12, 15. Vt.— 18, 19, 20, 22. July 



12-Aug. 16. 

 Mass.— 23. Aug. 8. 



T. longiventris Loew. 

 Me.— 8. N. H.— 15. June 7-21. 



Mass.— 23, 24, 26, 27, 28, 29. R. I.— 33. Conn.— 35. May 

 29- July 1. 



