DIPTERA. 129 



Orthoceratium Sclu-ank {Liancalus Loew). 



O. genualis (Loew). 



Vt.— Bolton Mt., Sept. 25, 1922 (Bryant). 



Plagioneurus Loew. 



P. univittatus Loew. 



Mass. — Boston, Aug. 25, 1908, on window. 



Dolichopus Latreille. 



D. abbreviatus Van Duzee, Cole and Aldrich, 21-144. 

 Me. — Machias, July 21. 



D. acuminatus Loew. 



Mass. — Natick, June 23 (Morse). R. L — Buttonwoods, June 15. 



D. acutus Van Duzee, Cole and Aldrich, 21-142. 



Mass. — Springfield (Dimmock). 



D. adultus Van Duzee, Cole and Aldrich, 21-98. 

 Mass. — Framingham, May 28 (Frost) ; Dedham, June 3. 



D. agronomus Melander and Brues. 

 N. H.— Hampton, May 20-June 2 (Shaw). 



Mass. — New Bedford, June 8 (Hough); Woods Hole, June 19 

 (Sturtevant) . 



D. albicilitus Loew. 



Me.— 8. N. H.— 11. Vt.— 21. June 13-July 4. 



Mass.— 23, 26, 27, 29. R. I.— 33. June 15-Sept. 8. 



D. albicoxa Aldrich. 



Me.— 9. N. H.— 11, 12. Vt.— 16, 18, 20. June 24-July 10. 



Mass.— 23, 25, 26, 29. R. L— 33. Conn.— 35. June 10-Aug. 4. 



D. angustatus Aldrich. 



Me.-4, 7. N. H.— 11, 12, 15. Vt.— 22. June 24-July 28. 



Mass. — 29. June 15. 



D. batillifer Loew. 



N. H.— 11. Vt.— 19. June 28- Aug. 10. 



Mass.— 23, 25, 29. June 24-July 1. 



D. bifractus Loew. 



N. H.— 11, 12, 15. Vt.— 16. July 7-Aug. 21. 



Mass.— 23, 26, 27, 29. R. L— 33. June 15-Aug. 25. 



D. brevicauda Van Duzee, Cole and Aldrich, 21-108. 

 N. n.—Mt. Washington, 5000 ft., Aug. 16, 1916. 



D. breviamanus Loew. 



Me. — Eastport, July 14. N. H. — Franconia (Mrs. Slosson); 

 Hampton, May 31 (Shaw). Vt. — Amsden, July 10. 



D. calainus Melander and Brues. 

 Me.— Bar Harbor, July 10, 1923. 



