DIPTERA. 277 



C. grata Loew. 



Me.— 3, 4, 6, 7, 8. N. H.— 11, 12. Vt.— 16, 18, 21, 22. June 



18-Aug. 19. 

 Mass.— 24, 27, 28, 32. R. I.— 33. Conn.— 35. June 12- 



July 31. 



C. variceps Loew. 



Me.— 1, 6, 8. N. H.— 11, 12, 14, 15. Vt.— 20. Mar. 28- 



Aug. 17. 



Mass.— 24, 25, 27. Conn.— 35. May 5-Oct. 17. 



C. rufescens Coquillett, 10-45. 



Me.— 8. N. H.— 15. July 1-Aug. 1. 



Mass.— 26, 27, 28. R. I.— 33. Conn.— 35. June 25-Aug. 6. 



C. Integra Becker, 12-66. 



Mass.— 24, 27, 29, 30, 31. June 25-July 11. 



Diplotoxa Loew. 



D. versicolor Loew. 



Me.— 3,7,8,9. N.H.— 11, 15. July 17-Aug. 30. 

 Mass.— 27, 28, 29, 31, 32. R. I.— 33. Conn.— 35. June 16- 

 Aug. 9. 



D. microcera Loew. 



Mass.— Chester, May 28, 1912. 



D. nigripes Coquillett, 10-44. 



Mass. — Brookline, Aug. 23; Manomet, July 26; Avon, June 14; 

 Saxon ville, Aug. 1 (Morse). R. I. — Tiverton, July 31. 



Anthracophaga Loew. 

 A. sanguinolenta Loew. 



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

 Mass.— 23, 27, 28, 30, 32. R. I.— 35. May 23-July 4. 



Chlorops Meigen. 

 C. crocata Loew. 



Me.— 1, 7, 8. N. H.— 15. July 17-Aug. 19. 

 Mass.— 23, 26, 27, 29, 30, 32. Conn.— 35. May 27-Aug. 9. 



C. brunnipennis Becker, 12-58. 



Mass. — Fall River, Aug. 17 (Cushman). R. I. — Tiverton, July 

 31. Conn. — 'Hamden, June 3 (Zap'pe). 



C. obscuricornis Loew. 



Me.— 8. N. H.— 11, 14, 15. June 8-Aug. 13. 



Mass.— 27, 31, 32. June 16-Aug. 9. 



C. melanocera Loew. 



Me. — Southwest Harbor, July 13. 



Mass.— 29, 32. Conn.— 34, 35. June 9-Aug. 2. 



C. albifacies Adams. 



Mass. — Woods Hole {Melander). 



