l86 MAINE AGRICULTURAL EXPERIMENT STATION. I9IO. 



24. Mycomya mcompta 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 ; set?e of the head black. Thorax yellow, 

 the 3 subconfluent dorsal stripes, scutellum, metanotum, and 

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

 tellum black. Abdomen yellow ; the tergites brown with wide 

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

 tarsi appear darker; the fore metatarsus about J4 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 nearly 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 

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

 ic- 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, 

 Elaine. (Johnson, col.). 



25. Alycoiiiya angitlafa Adams. 

 1903. aiigulata, Adams. Kas. LTniv. Science Bui. IL 22. (Scio- 



phila). 

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

 terior part of front, base of antennae, 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, R0+3 angulate, its apex turned towards 

 base of wing, subcostal crossvein slightly beyond middle of 

 cell R,. Manitou Park, Colo., August. It is near S. -Ravohirta 

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

 terior tibiae, and the angulated Ro^..,. 



