180 KANSAS UNIVERSITY SCIENCE BULLETIN. 



middle tibiae with three bristles. "Wings subhyaline, with 

 brown ornamentations ; in the marginal, submarginal and first 

 posterior cells are regular, transverse brown spots, the anal 

 portion of wing and the discal cell along the fifth vein uni- 

 formly fuscous ; on the under side of fourth vein in the discal 

 cell are two spots, and both cross-veins are broadly bordered 

 with brown ; costa with a spine at tip of first vein, the second 

 vein with a stump on under side near tip, also, in some speci- 

 mens, with one on upper side, but at a greater distance from 

 the tip ; hind cross-vein straight, perpendicular, about the 

 length of the small cross-vein from the wing margin. Length, 

 2.5-3.2 mm. 



Five specimens ; June. 



OCHTHERA. 



f Latreille, Hist Nat. des Crust, et des Ins., XIV; 1804.) 



Ochthera subtilis, n. sp. 



Male and female : Black, with violet reflections, largely sub- 

 opaque. Front, except the orbits, and vertex shiniiig violace- 

 ous, orbits brownish pollinose, a strong bristle on occiput near 

 upper angle of eye, occiput and face white pollinose, latter with a 

 few short black hairs, clypeus slender, projecting over the mouth 

 in a sharp angle or point, mouth-parts black, proboscis shining, 

 palpi clavate, with brownish pile ; antenme black, reaching a 

 little over half-way to the facial protuberance. Mesonotum 

 subshining, finely scrobiculate, violaceous and metallic, former 

 color forming two submedian rows separated by a narrow me- 

 dian row of bronze, and two short sublateral rows, partially 

 interrupted at the suture, at which point is a small but distinct 

 yellow spot, sides and posterior portion bronze, on sides and just 

 in front of the scutellum is a smooth, whitish pollinose spot, a 

 small yellow spot in front of scutellum ; pile sparse and black, 

 one notopleural, two supraalar and one intraalar bristles on each 

 side ; scutellum violaceous, finely scrobiculate and black pilose, 

 an apical pair and a subbasal pair of bristles ; pleurae bluish 

 black, shining below and whitish pollinose above; halteres 

 yellow. Abdomen bluish black, shining, sides of first, second, 

 third, fourth and fifth segments with a white pollinose spot, 

 those on the fifth linear and nearly meeting in the middle ; pile 

 along the sides white, venter with reddish reflections, white pol- 



