DIPTERA. 145 



H. femorata Loew. 



Me.— Bar Harbor, June 8, 1915. N. H.— Mt. Washington 



{Mrs. Slosso7i). 

 Mass.— Blue Hill, Milton; Chester, May 26. 



H. gracilis Loew. 



Me.— Mt. Desert, July 30-Aug. 17. N. H.— Mt. Washington 



(Mrs. Slosson); Glen House, June 11. 

 Mass. — Auburndale, Aug. 16. 



H. leucoptera Loew. 



Me.— Mt. Desert, June 10, 1920. N. H. — Hampton, June 4 



(Shaiv). 

 Mass. — Woods Hole (Melander) ; Provineetown, June 24. 



Conn. — New Haven, May 25-June 23. 



H. lutea Loew. 



Mass.— Blue Hill, Milton, May 30. R. I.— Kingston, June 19 



(Barlow) . 



H. macroptera Loew. 



N. H. — Franconia (Mrs. Slossoii). 



H. mutabilis Loew. 

 N. H. — Jaffrey, June 4. 



R. L — ^Kingston, June 4 (Barlow). Conn. — New Haven, June 

 23 (Viereck). 



H. seriata Loew. 

 N. H.— White Mts. 



H. testacea Loew. 



N. H.— White Mts. 



Mass. — Blue Hill, Milton, June 6. R. I. — Kingston, June 5-16 

 (Barlow). 



H. tristis Loew. 



Me.— 3, 4, 7, 8. N. H.— 11, 15. June 12-Aug. 17. 



Mass.— 23, 27, 32. May 28-June 18. 



H. trivittata Loew. 



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



Conn, — . 



H. umbrosa Loew. 



N. H.— 11, 15. June 11. 



Mass.— 27, 29, 32. R. I.— 33. Conn.— 34, 35. May 26-July 27. 



H. unicolor Loew. 



Mass. — Chester, May 28; Concord, July 14 (Barber). 



H. velutina Loew. 



Conn. — New Haven, July 13 (Britton). 



