DIPTERA. 281 



M. provocans Becker, 12-98. 



Mass. — -Horse Neck Beach, June {Melander). Conn. — East 

 Hartford, Aug. 9 (Walden). 



Notonaulax Becker, 1903. 

 N. cincta (Meigen). 



N. H.— Mt. Monadnock, June 22, 1917. 

 Mass. — Dedham, Sept. 4; Auburndale, June 28. 



Chaetochlorops Malloch. 



C. inquilina Coquillett. 

 Mass.— Arlington, Nov. 27, 1920. 



Dicraeus Loew. 



D. ruficeps (Meigen). 



Mass. — Essex, Apr. 17 (Fuller), from gall on cherry. 



Botanobia Lioy {Oscinis of authors; Oscinella Becker). 



B. anthracina (Meigen) (0. atriceps Loew). 

 Mass. — New Bedford {Hough). 



B. coxendix (Fitch). 



Me.— 1, 6, 8. N. H.— 11, 12, 13, 14, 15. Vt.— 16, 20, 21, 22. 



June 15-Sept. 11. 

 Mass.— 26, 27, 28, 29, 32. R. I.— 33. Conn.— 34, 35. Apr. 



30^Oct. 19. 



B. dorsata (Loew) (0. dorsalis Loew, 1869, not 1863). 

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



Mass.— 26, 28, 29, 30. R. I.— 33. Conn.— 35. June 17- 

 Aug. 8. 



B. frit (Linne). 



Me.— 3, 4, 8. N. H.— 11, 14, 15. May 5-Aug. 28. 

 Mass.— 24, 26, 27, 29, 30, 32. R. L— 33. Conn.— 35. May 

 14-Sept. 20. 



B. frit var. pusilla Meigen (0. carbonaria Loew). 



Me.— Mt. Desert, July 14. N. H.— Mt. Washington. 



Mass. — Scituate, May 15. Conn. — West Haven, June 21 {Vie- 



reck) . 



B. infesta (Becker), 12-109. 

 Me.— 8. N. H.— 15. July 27-Sept. 12. 



Mass.— 26, 28, 29, 31, 32. R. I.— 33. Conn.— 35. June 17- 

 Sept. 8. 



B. minor (Adams), 05-110. 

 Me. — Mt. Katahdin, Aug. 21 {Alexander). 



Mass.— Arnold Arboretum, Boston, July 25, 1921 {H. Morrison). 

 R. L — Providence, June 22 {Davis). 



