86 THE CANADIAN ENTOMOLOGIST. 



pilose ; proboscis not projecting beyond hyperstoma ; styliform portion 

 of third joint of antennae about twice as long as the thickened basal part 

 of this joint. Occiput white tomentose. Thorax yellowish tomentose, 

 more whitish on the sides, the bristles black or yellowish. Scutellum 

 rounded behind, yellowish tomentose, the pile and bristles black. Abdo- 

 men black tomentose and with a white-tomentose cross band on apex of 

 each segment except the last one ; first segment wholly white and yellow- 

 ish pilose ; sides of abdomen quite abundant long white pilose ; venter 

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

 hyaline, the sub-costal cell yellowish. 



Male. — Eyes meet each other for some distance on the front. 



Length 4-8 m. m. Cal. ! Ariz. ! Utah. 4 males and 7 females. 



* 



Aphcebantus vittatus, n. sp. — Female. Black, tips of femora, tibise 

 and tarsi reddish. Front and face white tomentose and pilose, tomentum 

 of front sometimes largely or wholly brownish ; proboscis not projecting 

 beyond hyperstoma. Styliform portion of third joint of antennae about 

 once and a fourth as long as the thickened basal part of this joint ; second 

 joint minute. Occiput white tomentose. Thorax brownish tomentose, 

 and with two widely separated Avhite-tomentose dorsal vittae ; sides of 

 thorax and pleura white tomentose, bristles of thorax reddish. Scutellum 

 mixed white and brown tomentose, its hind margin wholly white tomen- 

 tose, the bristles black. Abdomen brown tomentose, a dorsal vitta, the 

 sides and venter white tomentose. Legs white tomentose, the bristles 

 reddish. Wings hyaline, the costal cell yellowish. 



Male. — Eyes quite widely separated on the front, hypopygium moder- 

 ate and not noticeably dilated below. 



Length 4-6 m. m. Cal. ! 5 males and 5 females. 



Aphxbantus cervinus Loew. — Differs from vittatus only in having no 

 white-tomentose vittae on the thorax and abdomen, the sides of the thor- 

 acic dorsum and of the abdomen are not so conspicuously white tomen- 

 tose, and the eyes of the male meet each other for some distance on the 

 front. Pile of front varies from white, through yellowish, to black, and 

 the tomentum of front varies from white to brown ; bristles of thorax, 

 scutellum and tibiae usually reddish, but sometimes black. 



Length 6-1 1 m. m. Cal ! Ariz. ! Col. ! Texas. 15 male and 11 

 females, July to Oct. 



