188 KANSAS UNIVERSITY SCIENCE BULLETIN. 



second, the hyaline portion just beyond the tip of the second 

 vein, and hyaline portion from small cross-vein to costa, are in 

 certain lights tinged with gray. Length, 2.5 mm. 

 Numerous specimens ; February and April. 



Drosophila pallida. 



Drosophila pallida Will. , Dipt. St. Vincent, 415. St. Vincent. 



Having had access to the types of pallida, I have little doubt 

 that my determination is correct. There is a greater variation, 

 however, in the coloration of the abdomen, there being a gradual 

 gradation from specimens with regular bands on posterior 

 borders of segments to those with the abdomen uniformly brown. 



Numerous specimens. 



ASTEIA. 



( Meigen. Syst. Beschr., V, 88 ; 1830.) 



Asteia longipennis, n. sp. 



Male : Wholly yellow, except the abdomen is of a brownish 

 cast. Front broad, bristles very short, except the large ocellar 

 pair; antennae short, third joint cordate, second joint with a 

 strong bristle on the upper side and smaller ones beneath at 

 apex (arista broken off) ; face broad, slightly concave in profile, 

 with an indistinct median carina, oral cavity rather large, 

 clypeus visible, proboscis short. Thorax with two blackish 

 bristles on side of mesonotum near base of wing, and one on 

 pleura^ a little below and behind the humeri ; scutellum with 

 an apical pair of rather long bristles and a smaller one on either 

 side. Abdomen of a brownish cast, except the hypopygium, 

 which is yellow. Legs wholly yellow. Wings hyaline, twice 

 as long as the abdomen, slender, anal angle not prominent, tips 

 of first and second veins about the length of the small cross-vein 

 distant from each other, third and fourth veins parallel, costa 

 reaches tip of fourth vein, posterior cross- vein and anal cell 

 wholly wanting. Length, 2.25 mm. ; wing, 2.5 mm. 



One specimen ; May. 



