19481 Hardy — Neotropical Dorilaidae 9 
nal segment; the opaque abdomen and the all yellow 
femora. 
Male. Head: Eyes joined on the front for a distance 
slightly greater than the length of the frontal triangle. 
Front and face silvery pubescent, occiput chiefly gray, 
lightly brownish above. Mouthparts and antennae bright 
yellow, first two antennal segments slightly discolored with 
brown. Basal portion of the aristae yellow. Second anten- 
nal segment with one long and two or more shorter bristles 
below. Third segment moderately pointed but not long 
acuminate below (Fig. 6b), rather densely covered with 
yellow pubescence. Thorax: Mesonotum black in ground 
color densely brown pollinose except for gray anterior 
corners. Posterior calli, scutellum and pleura brownish 
yellow in ground color, the scutellum is brownish dusted 
and the pleura gray. The humeri are bright yellow in 
color, the tegulae are yellow brown. The halteres are 
chiefly pale yellow with the knobs slightly discolored. 
The propleura each have a fan of yellow hairs, the dorso- 
central hairs are present although weak and the scutel- 
lum has a row of moderately developed hairs on its hind 
margin. Legs: Coxae and apical subsegments of tarsi 
brown, legs otherwise yellow. Femora stout, flexor 
spines well developed. Tibiae without strong apical 
spines or spurs and with no unusually strong bristles on 
the outer side of the swollen portion. Wings: lightly 
brownish fumose, stigma brown and occupying all of the 
third costal section. Third section two times longer 
than the fourth and equal in length to the fifth costal sec- 
tion. Crossvein r-m situated at the basal third of the 
discal cell. The appendix on the fourth vein (Ml + 2) is 
one and one-half times longer than the r-m crossvein and 
extends nearly half way to the wing margin. The last 
section of the fourth vein (beyond the fork of Ml and 2) 
is one and two-thirds longer than the penultimate section. 
The last section of the fifth vein is equal to the m cross- 
vein in length. The petiole of the cubital cell is one and 
one-half times longer than the r-m crossvein. Abdomen: 
Chiefly brown pollinose, very faintly subshining. First 
tergum entirely gray. Terga two to four gray only on the 
