DIPTERA. 27 



A. minuta Alexander, 11-287. 



Me. — Orono, June 14 (Alexander). N. H. — Jaffrey, June 21. 



Mass. — Amherst and Sunderland, May 23-30 (Alexander). 



Epiphragma Osten Sacken. 



E. fascipennis (Say). 



Me.— 4, 5, 6, 7, 8. N. H.— 11, 12, 14, 15. Vt.— 18, 21. June 



4- July 14. 

 Mass.— 23, 24, 27. R. I.— 33. Conn.— 35. May 26-June 16. 



Limnophila Macquart. 



Subgenus Lasiomastix Osten Sacken, 



L. macrocera (Say). 



Me.— 4, 6, 7, 8, 9. N. H.— 11, 14, 15. Vt.— 17, 20. June 12- 



Aug. 25. 

 Mass.— 23, 24, 27, 28. R. I.— 33. Conn.—. May 29-Aug. 16. 



L. tenuicornis Osten Sacken. 



Me.— Orono, June 10 (Alexander). N. H.— White Mts., July. 

 Mass. — North Adams, June 18; Amherst and Sunderland, May 

 23-27 (Alexander). 



Subgenus Idioptera Macquart. 



L. fasciolata Osten Sacken. 



Me. — Orono, June 12 (Alexander). N. H. — Jaffrey, June 15, 

 1923. 



Mass.—. 



Subgenus Limnophila Macquart. 



L. adusta Osten Sacken. 



Me.— 6, 7, 8. N. H.— 11, 14, 15. June 7-July 12. 

 Mass.— 23, 24, 26, 27, 28, 31, 32. R. I.— 33. Conn.— 35. 

 May 27-Sept. 16. 



L. alleni Johnson, 04-126. 



N. K.— Intervale, June 17, 1904 (G. M. Allen). 



L. areolata Osten Sacken. 



Me.— 7, 8. N. H.— 11, 14. June 10-July 20. 



Mass.— 23, 24. May 23- June 10. 



L. brevifurca Osten Sacken. 



Me. — Orono, June 10 (Alexander). N. H. — Franconia (Mrs. 



Slosson) ; Mt. Washington, July 4. 

 Mass. — Sunderland and Whately Glen, May 23-29 (Alexander). 



L. contempta Osten Sacken. 



Mass.— 26, 27, 28, 31. Conn.— 35. June 6- July 10. 



L. imbecilla Osten Sacken. 

 Mass. — North Adams, June 18. 



