l86 MAINE AGRICULTURAL EXPERIMENT STATION. I9IO. 



24. Mycomya incompta n. sp. 



Female. Length 4.5 to 5 mm. Head black, lower part of 

 face, palpi, scape, and under side of first flagellar joint, yellow; 

 intermediate flagellar joints about twice as long as wide with 

 whitish pubescence; setse of the head black. Thorax yellow, 

 the 3 subconfluent dorsal stripes, scutellum, metanotum, and 

 lower margin of pleura brown ; setse including those of the scu- 

 tellum black. Abdomen yellow ; the tergites brown with wide 

 yellow posterior margins ; hairs pale. Legs yellow, tibise and 

 tarsi appear darker; the fore metatarsus about ^ longer than 

 the tibia ; setse of hind tibia about twice as long as the diameter 

 of the member. Wings hyaline, cinereous tinged; subcosta ends 

 in the costa nearl}^ opposite the distal end of cell R^ which is 

 about twice as long as wide ; the subcostal crossvein is placed 

 very slightly distad of the middle of this cell; R4+5 ends beyond 

 the tip of the wing; the petiole of the media is % as long as 

 M2 ; the cubitus forks proximad of the R-M crossvein ; the wing 

 is 4 mm. in length, which is 2 1-7 times as long as the fore meta- 

 tarsus. Halteres yellow. 



Two specimens taken by Mr. J. C. Bradley in the Selkirk 

 Mts. in August ; one from Ithaca, N. Y. ; and one from Capen, 

 Maine. (Johnson, col.). 



25. Mycomya angulata Adams. 

 1903. angulata, Adams. Kas. Univ. Science Bui. IL 22. (Scio- 



phila). 

 Female. Length 6 mm. Yellow, subshining ; head black, an- 

 terior part of front, base of antennse, face and mouth-parts yel- 

 low ; thorax yellow, mesonotum with 3 subcoalesced fuscous 

 fascise, the middle one abbreviated behind, the lateral ones in 

 front, pile, rather long and yellow, large spot on the pleura 

 above middle coxse brown; abdomen yellow, base of segments 

 brown, pile black ; legs light yellow, anterior tibiae shorter than 

 their tarsi; tips of tarsi fuscous; wings grayish- hyaline, cell R-^ 

 twice as long as broad, R^+g angulate, its apex turned towards 

 base of wing, subcostal crossvein slightly beyond middle of 

 cell Rj. Manitou Park, Colo., August. It is near S. Uavohirta 

 Coq., but differs in the markings of the thorax, length of an- 

 terior tibise, and the angulated R0+3. 



