22 KANSAS UNIVERSITY SCIENCE BULLETIN. 



Macrocera diluta, n. sp. 



Male: Yellow, shining; autennse, except base, two stripes 

 on occiput, three fascia on raesonotum, the central one joining 

 two narrow ones coming from base of wings, three spots on 

 pleurae, lower half of metanotum, base of abdominal segments 

 from the third, with hypopygium wholly, small spot on base of 

 middle and posterior cox£e, tips of femora and tibiae dark 

 brown; wings hyaline, fascia near central part dark brown, a 

 small fuscous spot on anterior margin about midway between 

 tip of anterior branch of third vein and apex of wing, not reach- 

 ing fourth vein. 



Female : Agrees with the male, except that all of the abdom- 

 inal segments, without the first, have the base dark brown ; the 

 subapical spot of wing is larger, crossing the anterior branch of 

 the fourth vein. Length, 5 mm. ; antenna?, 7 mm. 



A specimen of each sex ; Arizona, August. Prof. F. H. Snow. 



Ceroplatus apicalis, n. sp. 



Male : Head brownish, anterior part of front, two basal joints 

 of antennae, face and mouth-parts yellow ; thorax immaculate, 

 reddish j'ellow, the black pile very short, except on the sides, 

 pleurae light yellow, halteres with knobs slightly infuscated ; 

 abdomen reddish yellow, base of second, third, fourth, and re- 

 mainder of apex w^holly black ; legs light yellow, apical half of 

 tibiae and tarsi wholly blackish ; wings hyaline, smoky towards 

 apex, auxiliary vein ends in the costa about midway between 

 humeral cross-vein and base of third, anterior branch of third 

 ends in costa about midway between tip of first and apex of sec- 

 ond branch of third, furcation of fifth almost opposite base of 

 second. Length, 3.7 mm. 



One specimen ; Douglas county, Kansas. E. S. Tucker. 



Sciophila angulata, u. sp. 



Female: Yellow, subshining ; head black, anterior part of 

 front, base of antennae, face and mouth-parts yellow ; thorax 

 yellow, mesonotum with three subcoalesced fuscous fascia, the 

 middle one abbreviated behind, the lateral ones in front, pile 

 rather long and yellow, large spot on the pleurae above middle 

 coxae brown ; abdomen yellow, base of segments brown, pile 

 black ; legs light yellow, anterior tiba' shorter than their tarsi ; 



