132 FAUNA OF NEW ENGLAND. 



D. marginatus Aldrich. 



Me.— 7, 8. N. H.— 15. July 27-Aug. 21. 



Mass.— 25, 26, 27, 29, 32. Conn.— 35. June 17-Aug. 26. 



D. melanocerus Loew. 



Me.— 4, 6, 7, 8, 9. N. H.— 11. July 18-Aug. 17. 



Mass.— 27, 28, 32. Conn.— 35. May 27-Aug. 24. 



D. nodipennis Van Duzee, Cole and Aldrich, 21-102. 

 Mass. — Dedham, May 20; Framingham, May 28. 



D. obsoletus Van Duzee, Cole and Aldrich, 21-121. 

 Me. — Moosehead, July 18. N. H. — Franconia {Mrs. Slosson); 

 Center Harbor, Sept. 10. 



D. omnivagus Van Duzee, Cole and Aldrich, 21-216. 



Me. — Bowlin Pond, Penobscot Co., July 31, 1910 {Cushman) . 



D. ornatipennis Van Duzee, Cole and Aldrich, 21-132. 



Me. — Bar Harbor, Aug. 18. 



Mass. — Sharon, Aug. 9; Bridgewater, July 11 (Cushman) ; Welles- 

 ley, Aug. 17 (Morse); Yarmouth, July 17 (Barber). Conn. — 

 New Haven, July 27. 



D. ovata Loew. 



Me. — Hampden, July 10. Vt. — Winooski, Aug. 21 (Davis). 



Mass.—. 



D. pachycnemus Loew. 



N. H. — North Conway, June 26. 



Mass. — Fall River, June 8 (Easton); Peru, June (Barlow). 



D. palaestricus Loew. 



Me.— 4, 6, 7. N. H.— 11, 12, 14. Vt.— 16, 18, 21. June 6- 



July 22. 

 Mass.— 23, 27. Conn.— 35. June 15-Aug. 3. 



D. pantomimus Melander and Brues. 

 Mass.— New Bedford, May 30 (Hough). 



D. penicillatus Van Duzee, Cole and Aldrich, 21-227 (D. ciliatus 



Aldrich). 

 Me. — Orono, July 31 (Alexander). 



D. plumipes (Scopoli). 



Me.— Eastport, June 29-July 14; Mt. Desert, July 15. 



D. porphyrops Van Duzee, Cole and Aldrich, 21-169. 



Me.— 5, 6, 7, 8. N. H.— 11, 12, 13. Vt.— 18, 19, 22. June 13- 



Aug. 15. 

 Mass.— 25, 26, 29. June 5-July 7. 



D. pugil Loew. 



Me.— 7, 8. N. H.— 15. July 11-27. 



Mass.— 26, 27, 28, 29, 31, 32. R. I.— 33. June 17-Sept. 8. 



