THE CANADIAN ENTOMOLOGIST. 85 



of third joint very slender, and about three times as long as the thickened 

 basal part of this joint. Occiput gray poUinose, white tomentose, the 

 upper part largely yellowish tomentose. Thorax black, mixed white and 

 yellowish tomentose, the pile and bristles largely black ; pleura white 

 pilose and tomentose. Scutellum shining black, rounded behind, yellow- 

 ish tomentose, the pile and bristles black. Abdomen black, mixed black, 

 brown and whitish tomentose, the black forming a cross band at base of 

 the second segment, the brown chiefly confined to base of each segment ; 

 first segment wholly white tomentose and pilose, pile of other segments 

 very sparse, white ; venter black, whitish tomentose. Femora and apices 

 of tarsi black, tips of femora, tibiae wholly and bases of tarsi, reddish ; 

 tomentum of legs white, the bristles reddish. Wings hyaline, costal cell 

 yellowish ; a stump of a vein near base of anterior branch of third vein. 



^ . Eyes barely contiguous on the front, the latter wholly gray poUi- 

 nose and yellowish pilose, abdomen with black-tomentose cross bands at 

 base of each segment, tarsi wholly reddish ; hypopygium moderate, 

 shghtly dilated below, its upper half behind long black or reddish pilose. 



Length 7-10 m. m. Cal. ! 3 $ and i ^ in Sept. The face is less 

 retreating below than in the other species. 



Aphoebanttcs hirsttttis, n. sp. — Wholly black. Front yellowish tomen- 

 tose and black pilose, face yellowish white tomentose and pilose ; pro- 

 boscis projects half the length of its labellse beyond hyperstoma. Anten- 

 nal joints as 2, i and 4, the styliform portion of the third joint about 

 twice as long as the thickened basal part of this joint. Occiput white 

 tomentose. Thorax yellowish tomentose and pilose ; pleura white pilose. 

 Pile and bristles of scutellum pale yellowish. Abdomen yellowish tomen- 

 tose and densely clothed with long white or yellowish pile ; venter white 

 pilose. Legs white tomentose, the bristles reddish. Wings hyaline, the 

 I costal cell yellowish. 



^ . Eyes very narrowly separated on the front ; abdomen greatly 

 depressed, about as wide as the thorax, elongate-ellipsoidal in outHne ; 

 hypopygium very small ; front and middle tibiae with a row of white pile 

 on the outside. 



Length 7-8 m. m. Cal. ! 2 $ and 2 $ . 



Aphcebantus inns O. S. {Syn. Triodites mus O. S.) — Female. Black, 

 the tibiae and tarsi sometimes reddish. Front gray pollinose on lower 

 , part, whitish tomentose and black pilose ; face gray pollinose and whitish 



