42 
PSYCHE 
[April 
Abdomen oblong-ovate, ferruginous, without maculae, the apical margins fus- 
cous or blackened; posterior margin of black area on basal half of first segment 
straight; pygidial plate broad and rounded. 
Collected May i8th. Distinguished by its color from any other of the 
local species. This may represent a distinct race, but the single specimen ob- 
tained has the essential characters of Smith’s species, and is really more typical 
of it than the insect from Corvallis, Oregon, which has been referred here. 
Triepolus. 
Triepolus Ponatus Smith. 
1854 Epeolus donatus Sm. $ $ ,Cat. Ilym. Brit. Mus. 3:256. 
1864 Epeolus donatus Cr. 9 ^ , Proc. Ent. .Soc. Phil. 2:396. 
1882 Epeolus donatus Prov. 9 ,Nat. Can. 13:236. 
1883 Epeolus donatus Prov. 9 , Faun. ent. Can. Ilym. p. 719. 
Though rather rare this species is more common in this locality than any 
other of this genus or of Noniada. Both sexes have been taken from .August i ith 
to .August 24th on the goldenrods, thistles. Inula Heleniian and Eupaforium 
perfoleatum. 
Triepeuhcs scutellaris Say. 
1824 Epeolus scutellaris Say, 9 , Long’s 2nd Exp. 2:355. 
1859 Epeolus scutellaris Say, 9 , Lee. ed, Say’s Writ. 2:240. 
1864 Epeolus scutellaris Cr. 9 , I'roc. Ent. Soc. Phil. 2:397. 
1888 Epeolus scutellaris Prov. 9 , Add. faun. Can. Hym. p. 332. 
1897 Epeolus saitellaris Rob. 9 , Trans. Ac. Sci. St. Louis, 7:343. 
Two males taken on Solida^o in .August are referred to this species, which 
has been reported from Florida to Canada. They agree with the description 
in size and in the form of the dilated thoracic teeth, but not entirely in color. 
The mandibles, tubercles, tegulae, lateral teeth, scutellum in one specimen, and 
legs are ferruginous; but tbe antennae and basal segments of the abdomen are 
black. 
Triepeolus pectoralis Rob. 
1897 Epeolus pectoralis Rob. 9 Trans. Ac. Sci. St. I.ouis, 7:345. 
Both sexes taken on the flowers of Solidago .August 17th. The female has 
the mesothorax closely and finely punctured, and the pleura below coarsely and 
sparsely punctured. The male is undescribed. 
S . — Length about 8mm., closely resembles the female. The face clothed 
with silvery white, the pleura and pectus with cinereous pubescence. Orna- 
ments of thorax and abdomen buff-colored, fascia of sixth segment white. 
