DIPTERA. 45 



Eucorethra Underwood (Pelorempis Johannsen). 

 E. underwoodi Underwood (P. americana Johannsen). , 



Me. — -Penobscot Co. {Underwood); Ft. Kent, Aug. 18 (bred from i 



pupa); Mt. Desert, July 10, 21; Machias, July (larvae). 



N. H.— Dublin, May 15 {Busck); Crawford's {Mrs. Slosson). 



PsYCHODiDAE. The Moth-flies. \ 



Pericoma Walker. 

 P. ocellaris var. americana Kincaid. 

 Me.— (Dr. Hough). 



Psychoda Latreille. 

 P. albitarsis Banks. 



Vt. — Dummerston, July 14. i 



Mass. — Sunderland, May 29; Chester, Aug. 6. 



P. alternata Say. j 



N. H.— 11. 



Mass.— 27, 28. R. I.— 33. Conn.— 35. Aug. 13-Oct. 21. 



P. apicalis Banks. 



Vt. — Manchester, June 7. 



Mass.— Blue Hill, Milton, May 30-June 6. 



P. cinerea Banks. j 



Me. — Southwest Harbor, June 18. 



Mass. — Boston, July 17-Dec. 1; Worcester, May; Wellesley, 



Nov. 19 {Morse). R. I. — Kingston, Oct. 14. Conn. — New 



Haven, March 1. 



P. marginalis Banks. j 



N. H. — Franconia; Jaffrey, June 2. j 



Mass. — Chester, Aug. 6. Conn. — Stonington. June 10. i 



P. minuta Banks. 



N. H.— White Mts. 



Mass. — Boston; Brookline; Auburndale, June 18; North Am- j 



herst, May29. R.I. — Kingston, July {Barlow). Conn. — . i 



P. nigra Banks. 



Me.— Wales, June S {C. A. Frost). 



Mass.— Brookline, Oct. 21, 1918; Boston, May 25. 



P. slossoni Williston. 



Me.— Mt. Desert, May 27-Aug. 10. N. H.— Bretton Woods, 

 June 28; Mt. Washington; Conway, Sept. 14; Jaffrey, June 22. 

 Mass.— Sunderland, May 29. " i 



P. opposita Banks. 



Mass.— Boston, July 14, 1906. 



P. signata Banks. i 



Me.— Ft. Kent, Aug. 19. j 



Mass. — Chester, Aug. 6; Sunderland, May 30. Conn. — Oxford, I 

 May 21. 



