DIPTERA. 117 



Nusa Walker. 

 N. f ulvicauda (Say) . 



Me. — Wales, July 5 (Frost). N. H. — Hampton, July 5 (Shaiv). 

 Mass. — West Springfield, June 5; Bedford, June 9 (Barber). 



Lampria Macquart. 

 L. bicolor (Wiedemann). 

 Conn. — . 



Dasyllis Loew. 

 D. flavicollis (Say). 

 Me.— 5, 6, 8, 9. N. H.— 11, 14, 15. Vt.— 16, 19. May 29- 



Aug. 1. 

 Mass.— 23, 24, 25, 26, 27, 32. Conn.— 35. May 23-July 18. 



D. insignis Banks, 17-54. 



Me.-^, 5, 6, 7, 8. N. H.— 11. June 9- Aug. 22. 



D. divisor Banks, 17-54. 



Conn. — Cornwall, June 4, 1922 (Chamberlain) . 



D. posticata (Say). 



Me.— 4, 5, 6, 8, 9, 10. N. H.— 11, 12, 13, 14, 15. Vt.— 21. 



June 23-Aug. 25. 

 Mass.— 23, 24, 25, 26, 27, 28, 29, 32. R. I.— 33. Conn.— 35. 



June 5-July 24. 



D. posticata var. virginica Banks, 17-53. 



Mass.— Mt. Tom, June 19, 1895, and July 16, 1898 (Mass. Agr. 

 College Coll.); Hyannisport, July 4, 1904. 



D. sacrator (Walker). 



Me.— 4, 5, 6, 7. N. H.— 11, 14. Vt.— 19. June 15-Aug. 4. 



Mass.— 23, 25, 26. Aug. 8. 



D. thoracica Fabricius. 



Me.— 9. N. H.— 15. Vt.— 16, 21. June 16-30. 



Mass.— 24, 26, 27, 32. R. I.— 33. Conn.— 34, 35. June 2- 

 Aug. 17. 



D. champlainii Walton, 10-243. 



Mass. — Auburndale, July 12; Fall River, Aug. 9 (Easton); West- 

 port Factory, July 31, 1913. Conn. — : 



D. grossa (Fabricius). 

 Me.— 9. N. H.— 11, 15. Aug. 11. 

 . Mass.— 24, 25, 26, 27, 32. Conn.—. June 19-July 31. 



D. cinerea Back, 04-289 



N. H.— Andover, July 11 (C. Hoessler); Milford, June 8, 1902 



(C.P.Whitney). 

 Mass. — Lunenburg, June 6, 1914 (R. T. Webber); Dartmouth, 



July 20 (N. S. Easton). 



D. affinis Macquart, 



Mass.— East Wareham, Sept. 12, 1922 (D. S. Lacroix). 



