300 Mr. T. D. A. Cockerell—Descriptions and 
extreme sides; band on second with no exterior lobes; 
ventral hair-tufts ochreous. 
Comacho, Canal Zone, Panama, March 27 (A. H. Jennings). 
U.S. Nat. Museum. 
An isolated species, somewhat related to EH. xanthurus, 
but easily known by the sculpture of the abdomen and 
other characters. The wings are unusually short. 
Triepeolus cuneatus, sp. n. 
¢ .—Length about 11 mm. 
Similar to 7. helianthi, Rob. Black, the markings pale 
ochreous ; apical half of mandibles dark reddish ; eyes light 
green ; face densely covered with ochreous-tinted silvery 
hair; antenne entirely black; mesothorax rugoso-punctate, 
the margins with a band of ochreous hair, while anteriorly 
are two large cuneate marks pointed caudad, leaving the 
black area approximately anchor-shaped; axillarspines rather 
short, pointed ; mesopleura almost entirely covered with 
hair; tegule black, the outer posterior region pallid. Wings 
dusky hyaline, stigma very small; nervures fuscous, basally 
ferruginous. Middle and hind femora and tibie, and all 
the tarsi bright ferruginous; spurs black ; first abdominal 
segment with a transverse black band, obliquely truncate at 
each end, connected in middle with a black triangular area 
on hind margin ; black area on second segment also obliquely 
truncate at sides ; apical band on second segment notched 
in middle, but those on third to fifth broad and quite extire ; 
sixth segment dark seal-brown ; seventh with a short band 
of ochreous hair on each side; apical plate with a bright 
ferruginous semilunar spot ; ventral brushes pale reddish. 
Meadow Valley, Mexico (C.-H. T. Townsend). U.S. 
Nat. Museum. 
Known from 7. helianthi by the cuneate marks on thorax, 
the shorter black band on first abdominal segment, broader 
apical band on second, &c. 
Triepeolus concinnus, sp. 0. 
? .—Length about 11 mm. 
Black, with pale ochreous markings ; mandibles very 
dark reddish apically ; eyes pale green; clypeus minutely 
rugoso-punctate, with scattered large punctures; ochreous 
hair in region of antenne; antenne entirely black; meso- 
thorax with ochreous band at sides and behind, but not in 
