KANSAS UNIVERSITY QUARTERLY. 3 
ing, with a transverse, oval, white-pollinose spot before the hind 
margin. Legs black; all the tibie and tarsi reddish yellow, the 
terminal joints of the latter darker colored. Wings variegated, 
brownish and subhyaline, with dark brown clouds on the cross-veins; 
tip of the first vein and the nearly contiguous costa light yellow; a 
similar yellow spot is also seen on the costa a little beyond the hum- 
eral cross-vein. Length 3 mm. 
One specimen, Rio de Janeiro. 
Gastrops, gen. nov. 
Front broad; plane between the orbital grooves, smooth and a 
little depressed; on either side with two fronto-orbital bristles, in- 
serted close together. Second joint of the antenne without ante- 
rior bristle; third joint about twice as long as wide; arista with pec 
tinations above. Oral opening of moderate size; clypeus projecting. 
Face with a large, protuberant gibbosity, below which the profile 
is nearly vertical; on either side with a row of hairs close to the eyes, 
of which the upper ones are bristle-like. Eyes nearly round, bare. 
Cheeks in width equal to nearly one-half the vertical diameter of 
the eyes. Mesonotum convex; a single bristle present on each side 
in front of the scutellum. Scutellum convex, with a small tubercle 
on each posterior angle, from which arises a bristle. Abdomen 
broad, strongly convex; scrobiculate; first segment in both sexes, 
and the fifth in the male very short, giving the appearance in this 
Sex of a triarticulate abdomen. All the tibia with a row of bristle- 
like hairs on the outer side. Claws curved; pulvilli present. The 
costa attains the tip of the fourth longitudinal vein; third vein gent- 
ly convex anteriorly; fifth vein nearly, straight; third section of the 
Costa about two-thirds the length of the second. 
Notwithstanding the absence of the spine on the second antennal 
joint, this genus and the preceding will both find their most natural 
Position in the vicinity of Hecamede. 
Gastrops niger, n. sp. 
Male, female. Body shining, somewhat metallic, black. An- 
tenne red, the third joint at the tip and on the upper part black. 
Face on the lower part with a fine, light yellow pubescence. Mes- 
Onotum with indistinct indications of two longitudinal stripes and 
with short black hairs. Abdomen somewhat greenish, shining. All 
the tibia and tarsi, except the terminal joints of the latter, red or 
yellow. Wings tinged with brownish. Length 2'%4-3 mm. 
[wenty specimens, Grenada and Rio de Janeiro, H. H. Smith. 
