DIPTERA. 285 



Ciirtonotum Macquart. 

 C. helvum (Loew). 

 Vt.— 22. July 15. 



Mass.— 26, 27, 28, 29, 31. R. I.— 33. Conn.— 34. July 25- 

 Aug. 22. 



Leiomyza Macquart. 



L. slossonae Aldrich, 19-140. 



N. H. — Franconia {Mrs. Slosson). 



Periscelis Loew. 

 P. annulata (Fallen). 

 Mass. — Woods Hole, June, on sap of an oak (Sturtevant) . 



Atilacigaster Macquart. 



A. leucopeza (Meigen) (A. rufitarsis Macquart). 

 N. H.— Hanover; Jaffrey, June 18, 1923. 



Mass.— Norwood, Apr. 20 iReiff); Bedford, June 23 (Barber); 

 Woods Hole {Sturtevant) . 



ASTEIIDAE. 



Asteia Meigen. 

 A. beata Aldrich. 



Me.— Southwest Harbor, Mt. Desert, July 13, 1910. 

 Mass. — Chester, Aug. 6, 1914. 



Sigaloessa Coquillett. 



S. flaveola Coquillett. 

 N. H. — Franconia. 

 Mass. — Boston, Sept. 23. 



Geomyzidae. 



Geomyza Fallen {Balioptera Loew). 



G. subdola Johnson, 22-15. 



Vt. — Dummerston, July 14, 1908. 



Mass. — Manomet, July 27, 1905; Auburndale, Aug. 16; Rutland, 



July 9. 



Diastata Meigen. 

 D. nebulosa (Fallen). 



N. H. — Franconia; Hampton, June 3 (Shaio). 

 Mass.— Wellesley, Mar. 27 (Morse); Medford, Sept. 14 (Barber). 



Conn. — New Haven, Oct. 31. 



D. repleta (Walker) (D. pulchra Loew). See Sturtevant, 23-4. 

 Me.— Orono, June 5; Mt. Desert, July 8. N. H. — Hampton, 



May 17 (Shaw) ; Durham. 

 Mass. — Woods Hole, June-Sept. (Sturtevant). 



D. vagans Loew. 



Me.— 1, 2, 4, 8, 9. N. H.— 11. Vt.— 20. June 20-Sept. 9. 



Mass.— 23, 25. June 15-Sept. 20. 



