280 THE CANADIAN ENTOMOLOGISt. 



Type Am. Ent. Soc, Phil. 

 Type locality, Vancouver I., Canada. 



Species of Friepeolus, related to occidentalism and represented only 

 by the ^ : 



First joint of the flagellum not much more than one-half the length of 

 tlie second i . 



1. Legs and labrum ferruginous occidetitalis, var. i. 



First joint of the flagellum nearly as long as the second 2. 



2. Femora, except anterior pair, largely black ; anterior femora, all tibiae 



and all tarsi ferruginous ; labrum reddish . . . .occidentalism var. 2 ? 

 Legs entirely black, excepting the pubescence and ihe tarsi, the former 



being white and the latter brownish n. sp.? 



Triepeolus occidentalis (Cress.).— Tr. A. E. S., VII, p. 87, 1879, ? A . 

 The co-types of this species are from Colorado, and have an almost 

 entirely black labrum. 



Var. I. Oregon. (Received through the courtesy of Mr. J. H. 

 Lovell.) 



Triepeolus occidentalis, var. 2 ? 

 Oregon. (Through Mr. J. H. Lovell.) 

 Triepeolus, n. sp.? 



Vernon, B. C, 12th Aug,, 1904 (Harvey). 



Epeoli/s, Latr. 

 Markings of abdomen white or pale or cream colour ; mark on first 

 abdominal segment a transverse band ; bands on second to fourth seg- 

 ments interrupted in the middle line ; size small ; femora 



black olympiellus. 



Epeolus olympiellus, Ckll.— Ann. & Mag., N. H., XIII, p. 41, 1904. 



Olympia, Wash., 2nd July, 1896 (Kincaid). 



Epeolus tristicolor, Vier., n. sp. 



Related to autumnalis, from which it differs in size, structure and 



colour. 



The italicized characters in T. pcenepectoralis occur in this species, 

 and are not here repeated. 



^. — 8.5 mm. Frontal keel originating, as in T. pcenepectoralis, but 

 not extending higher than the middle of the front even as a raised line, 

 and not connected with the anterior ocellus by a shining line; clypeus 

 and supraclypeal space sculptured nearly like the cheeks, somewhat 

 shining ; labrum .-^CLilpiured much like the front, with two short teeth on 



