DIPTERA. 149 



R. impedita Loew. 



R. I. — Kingston, May 5. 



R. irregularis Loew. 



Me.— 8. N. H.— 11, 15. Vt.— 21. May 2o-June 26. 



Mass.— 23, 27, 32. Conn.— 35. May 9-June 15. 



R. liturata Loew. 



Me. — Bar Harbor, June 8. N. H. — Glen House, June 11. 



Mass.— Chester, May 26; Auburndale, May 22. 



R. longicauda Loew. 



Mass. — Bashbish Falls, June 27. Conn. — Middletown, June 

 17; South Meriden, June 30. 



R. longipennis Loew. 



N. H.— Mt. Washington {Mrs. Slosson). 



R. luctifera Loew. 



N. H. — Hampton, June 8 (Shaw). 



R. luteiventris Loew. 



Me.— Mt. Desert, June 8-27. N. H.— White Mts. ; Glen House, 



June 18 

 Mass. — Essex Co. (Morse) . R.I. — Apponaug, June 22. Conn. — 



Branford, June 8. 



R. macilenta Loew. 



Me. — . N. H. — White Mts.; Franconia (Mrs. Slosson). 



R. manca Coquillett. 



Me.— 7, 8. July 12-21. 



Mass.— 27, 29. R. L— 33. Conn.— 35. May 26-July 4. 



R. minytus Walker. 



N. H. — Jaffrey, June 4; Glen House, June 11. 

 Mass. — Wellesley, May 18 (Morse); Franklin, May 30 (Barber). 

 R. I. — Kingston, May 16-19 (Barlow). 



R. mutabilis Loew. 



Me.— 7, 8, 9. N. H.— 11, 15. June 16-JuIy 15. 



Mass.— 23, 27. Conn.— 35. May 26-July 2. 



R. nana Loew. 



N. H. — Hampton, jMay 14 (Shaw). 



Conn. — Middletown, June 17; New Haven, July 4. 



R. nigricans Loew. 



Me.— Waterville, May 11 (Hitchings). N. H.— White Mts.; 

 Mt. Washington (Mrs. Slosson). 



R. parva Coquillett. 



Mass. — . 



R. phemius Walker. 

 Mass.— Chester, May 28. 



