DIPTERA. 145 



H. femorata Loew. 



Me. — Bar Harbor, June 8, 1915. N. H.— ]\It. Washington 



(Mrs. Slosson). 

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



H. gracilis Loew. 



Me.— ]\It. Desert, July 30-Aug. 17. N. H.— :\It. Washington 



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

 Mass. — Auburndale, Aug. 16. 



H. leucoptera Loew. 



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



{Shaw). 

 Mass. — Woods Hole {Melander); Provincetown, June 24. 



CoxN. — New Haven, May 25-June 23. 



H. lutea Loew. 



]Mass. — Blue Hill, IMilton, Alay 30. R. L — Kingston, June 19 



{Barlow) . 



H. macroptera Loew. 



N. H. — Franconia {Mrs. Slosson). 



H. mutabilis Loew. 

 N. H. — Jaffrey, June 4. 



R. I. — 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). 



