DIPTERA. 153 



Platyphora Verrall. 



P. eurynota Brues, 14-77. 



Mass.— Forest Hills, Boston, May 30, 1910 {Mrs. C. T. Brues). 



Megaselida Rondani, 1856 {Aphiochaeta Brues, 1904). 



M. anomala (Malloch), 12-484. 



N. H. — Mt. Washington {Mrs. Slosson). 



M. agarici (Lintner). 



Mass. — Newton, Sept. 8, 1910. Bred from mushrooms. 



M. approximata Malloch, 12-483. 

 Conn. — -New Haven, Nov. 4 {Viereck). 



M. atlantica (Brues). 

 Mass. — Woods Hole. 



M. cata (Melander and Brues). 

 Mass. — Woods Hole. 



M. cavemicola (Brues). 

 Mass.— Chester, May 28, 1912. 



M. ciliata (Zetterstedt). 



Me.— Bar Harbor, July 12, 1921. 



Mass.— Chester, May 26. 



M. difficilis (Malloch). 



Mass. — Beverly, June- Aug. {Burgess). 



M. dyari Malloch, 12-484. 



R. I.— Kingston, June 19, 1907 {Barlow). 



M. franconiensis (Malloch), 12-479. 



N. H. — Franconia; Mt. Washington {Mrs. Slosson). 



M. inaequalis Malloch, 12-464. 

 N. H. — Hanover, July 6. 



M. minor (Zetterstedt) (P. minuta Aldrich). 



N. H.— Mt. Washington. 



Mass.— New Bedford (i/oiig/i) ; Somerset, July 14 {N. S. Easton). 



M. nigriceps (Loew). 



Me.— 3, 8. N. H.— 11, 15. May 6-Sept. 10. 



Mass.— 23, 27, 29, 32. R. I.— 33. Conn.— 35. May 23-Sept. 8. 



M. picta (Lehmann). 



N. H.— White Mts. 



Mass. — Great Barrington, June 16. 



M. projecta Becker. 



N. H.— White Mts. {Morrison); Hanover, July 5, 1908 {Shaw). 



Mass.^ — -Brookline, June 28. 



M. pleuralis Wood, 09-117 and 146 (see Brues, 18-191). 

 Mass. — Milton; New Bedford {Hough). 



