200 THE CANADIAN ENTOMOLOGIST. 



7. Venation dark, costal area (except base) black 8. 



Venation largely yellow, costal area yellowish to the stigma 9. 



8. Large yellow spots on second segment, spots or bands on third and 



fourth coiisors Sauss. 



No yellow spots on second segment, which is reddish ; spots or bands 

 on third and fourth segments ajnœna Cress. 



9. Abdomen reddish, with spots or bands of yellow on second, third, 



fourth and fifth segments ; metanotum and head mostly 



reddish rid'uigsi Cress. 



Abdomen with second and ihird segments black, with separated yellow 

 spots ; metanotum and head mostly black lecontei Cress. 



S. flavicostalis Cress, is probably the male of S. lecontei ; S. incoti- 

 stans Cress, runs to 6". lecontei \i\\\. has no spot on the second segment; 

 S. amœna may be only a variety of S. consors. 



Trielis hermione, n. sp. — Black, densely clothed with long white 

 hair; that on the posterior margin of segments three to five black, on 

 sixth and seventh segments all black hair. Clypeus white, with a median 

 black spot reaching to the front margin ; a small spot each side above 

 clypeus near the eyes, and sometimes a median one below the antennas, 

 white; pronotum with white band above reaching back to the tegulae, but 

 each side is excised below before tip ; band or spot on scutellum, and the 

 post-scutellum whitish. Abdomen segments one to four with a white sub- 

 apical band, narrowed in middle, the first sometimes interrupted ; on fifth 

 segment a median transverse spot, and a dot on each side ; venter usually 

 with narrow apical bands on third to fifth segments, and spots on the 

 second, sometimes some or all bands absent. Femora black except white 

 apical spots, hind tibiae mostly blackish, and front tibiae with black behind; 

 rest of legs pale yellowish; all densely white haired. Wings nearly hyaline, 

 stigma and venation brownish yellow ; third submarginal cell ends at 

 about middle of lower edge of marginal cell. It is higher than broad and 

 nearly twice as broad above as below. 



Length 12 to 14 mm. 



From Southern Pines, N. Car., June (Manee). 



Dielis fulvopilosa, n. sp.— Black, densely clothed with long fulvous 

 hair ; the ocellar region, posterior slope of metanotum, most of pleura, and 

 inner posterior side of .femora mostly free of hairs. Abdomen with fulvous 

 hair at tip of segments, very dense near tip ; rest of surface with pale 



