166 KANSAS UNIVERSITY SCIENCE BULLETIN. 



SCIOMYZID^. 



Sepedon. 



(Latreille, Hist. Nat. des Crust, et des Ins., XIV, 305.) 



Sepedon scapularis. 



Sepedon sca'pularis Adams, Kan. Univ. Sci. Bull., II, 46; 1903. 



Two specimens ; May. In my description of this species, 

 where reference is made to the black ring on the hind femora, 

 the term "apex" should be used instead of the word "base," 

 the tip of the femora being black. 



Sepedon ornatifrons, n. sp. 



Front broader than one of the eyes, excavated, yellowish 

 in the middle, shining bluish black at vertex and on sides ; 

 at junction of lower and middle thirds is a velvety black spot 

 on each side, a small blackish dot centrally just above base 

 of antenutie, a fine, hair-like, silvery line coming up from the 

 face on each side and reaching half-way to ocelli ; face yel- 

 lowish, in certain lights with a silvery reflection, with a median 

 bluish-black stripe, a similarly colored, but broader and shining, 

 one from lower corner of eye to oral margin ; cheeks yellow, 

 with silvery reflections ; occiput bluish black, mostly shining; 

 antenna? black, first joint yellowish at tip; proboscis brownish 

 black, palpi linear, yellow, wath apex brownish. Thorax bluish 

 black, with a thin coat of brownish dust ; humeri shining, two 

 posthumeral and one supraalar bristle present ; scutellum tri- 

 angular, with an apical pair of bristles ; halteres yellow, knobs 

 brown. Abdomen bluish black, with a thin coat of grayish 

 dust. Front coxne yellow, others brownish ; femora yellow, tips 

 black, which color is more extensive on hind femora, extending 

 along the upper margin to the middle, hind femora not un- 

 usually thickened, tibiip and tarsi black, base of front and 

 middle tibise slightly reddish. Wings hyaline, tinged with 

 brown along the anterior border, esjDecially prominent distally. 

 Length, G mm. 



Two specimens. 



