DIPTERA. 251 



E. arcuata var. uniformis Cresson, 20-7-i {Tetanocera flavescens 

 Loew, 1847, not R.-Desvoidy, 1830). 



N. H. — Franconia; Bretton Woods, June 24. 



Mass. — ^Mt. Greylock, Aug. 8; Bashbish Falls, June 27; Lexing- 

 ton, July 5. 



E. borealis Cresson, 20-74. 



Mb.— Capens, July 21; Mt. Katahdin, Aug. 28, 2400 ft. {Blake); 



Oquossoc, July 1. N. H. — -Bretton Woods, June 25; Mt. 



Washington, 2000 to 4000 ft., July 6-24. 

 Mass. — -North Adams, June 18. 



Trypetoptera Hendel. ■ 



T. canadensis (Macquart) (T. pallida Loew). 



Me.— S, 9. N. H.— 11, 12, 15. Vt.— 20, 22. June 27-July 18. 



Mass.— 23, 27. R. I.— 33. Conn.— 35. June 21-Aug. 14. 



Hoplodictya Cresson, 20-67. 



H. setosa (Coquillett). 



Me.— 7, 8. N. H.— 15. July 27-Aug. 13. 



Mass.— 26, 27, 28, 31, 32. Conn.— 35. June 28-Sept. 8. 



Dictya Meigen {Monochaetophora Hendel). 



D. umbrarum (Linne). 



Me.— 4, 6, 7, 8, 9. N. H.— 11. 14, 15. Vt.— 16, 17, 19. June 



8-Aug. 28. 

 Mass.— 23, 24, 26, 28, 29, 30, 32. Conn.— 35. Apr. 24-Oct. 21. 



Limnia R.-Desvoidy. 



L. boscii R.-Desvoidy (T. cotnbinata Loew). 



Me.— 4, 6, 7, 8, 9. N. H.— 13, 15. Vt.— 16, 18. June 21- 



Sept. 8. 

 Mass.— 25, 29, 32. Conn.— 34, 35. June 6-July 30. 



L. boscii var. sparsa (Loew). 



Me.— 4, 7, 8. N. H.— 11, 15. Vt.— 16, 20. June 19-Sept. 3. 



Mass.— 23. R. I.— 33. June 19-Aug. 8. 



L. costalis (Loew). 



Me.— Mt. Desert, July 18. N. H.— Mt. Washington (Mrs. 



Slosson) . 



L. saratogensis (Fitch). 



Me.— 1,4, 6, 7, 8, 9. N. H.— 11, 12, 14, 15. Vt.— 19, 20. June 

 27-Aug. 28. 



Mass.— 23, 25, 26, 27, 28, 29, 31, 32. Conn.— 34, 35. May 27- 

 Aug. 30. 



L. saratogensis var. ottawensis Melander, 20-324. 

 Me.— Mt. Desert, July 18, 1919. 



