300 Mr. T. D. A. GockeveW— Descriptions and 



extreme sides ; band on second Avith no exterior lobes ; 

 ventral bair-tnfts oclireous. 



Comaclio, Canal Zone, Panama, [March 27 (A. H. Jennings). 

 U.S. Nat. Musenm. 



An isolated species, some^vbat related to E. xanfhurus, 

 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 T. helianthi, Rob. Black, the markings pale 

 ochreoiis ; apical half of mandibles dark reddish ; eyes light 

 green ; face densely covered with ochreous-tinted silvery 

 hair; antennae entirely black; mesothorax rugoso-punctate, 

 the margins with a band of ochreous hair, while anteriorly 

 are two large cuneate marks pointed caudad, leaA'ing the 

 black area approximately anchor-shaped; axillar spines rather 

 short, pointed ; mesopleura almost entirely covered with 

 hair; tegul?e black, the outer posterior region pallid. Wings 

 dusky hyaline, stigma very small ; nervures fuscous, basally 

 ferruginous. Middle and hind femora and tibiae, 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 entire; 

 sixth segment dark seal-brown : seventh with a short band 

 of ochreous hair on each side; apical plate «ith a bright 

 ferruginous scndlunsr spot ; ventral bruskes pale reddish. 



Meadow Valley, Mexico (C. H. T. Tounsend). U.S. 

 Kat. Museum. 



Known from 7^ heUunthi by the cuneate marks on thorax, 

 the shorter black band on first abdominal segment, broader 

 apical band on second, &c. 



Tiiepeolus concinnus, sp. n. 



? . — 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 anteunse; antennse entirely black ; meso- 

 thorax with ochreous band at sides and behind, but not in 



