DIPTERA. 



NEMATOCERA. 



Tanyderidae. 



Protoplasa Osten Sacken. 



P. fitchii Osten Sacken. 



N. H.— Mt. Washington carriage-road, 3000 ft. (L. W. Swett). 



Ptychopteridae. 



Ptychoptera Meigen. 



P. rufocincta Osten Sacken. 



Me.— 6, 8, 10. N. H.— 11, 14, 15. June 12- July 21. 



Mass.— 23, 24, 27. R. I.— 33. Conn.— 35. May 20-Aug. 8. 



Bittacomorpha Westwood. "Phantom Crane-flies." 



B. clavipes (Fabricius). 



Me.— 1,5,6,8. N.H.— 11, 14, 15. Vt.— 17, 18. June 10-Aug. 25. 



Mass.— 23, 24, 27. R. I.— 33. Conn.— 35. May 13-Sept. 6. 



Bittacomorphella Alexander, 16-545. 



B. jonesi (Johnson), 05-75. 



Me.— 6, 7, 8. N. H.— 11, 13. Vt.— 17, 18. June 27-Aug. 25. 



Mass.— 23, 24, 25, 27. R. I.— 33. May 30-Aug. 3. 



Anisopodidae. 



Trichocerinae . 



Trichocera Meigen. 

 T. bimacula Walker. 

 Me. — . 

 Mass.— 27, 28, 32. Conn.—. Oct. 15-Nov. 14. 



T. brumalis Fitch. 



Me.— 1 (Woodland, Dec. 17, Nylander). N. H.— Jaffrey, Mar. 9. 

 Mass. — Forest Hills, Nov. 11; Arhngton, Feb. 17; Tyngsboro, 

 Oct. 26 (Fall). Conn.— New Haven, Nov. 20 (Viereck). 



T. gracilis Walker. 



N. H. — Mt. Washington (Mrs. Slosson), det. by Coquillett. 



T. regelationis (Linne). 

 Me.— 6, 7. June 1-July 15. 

 Mass.— 27, 28, 32. Mar. 30-Dec. 8. 



This species was determined by Coquillett from specimens bred 

 from spoiled potatoes, June 1, 1907 {Edith M. Patch). 



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