260 Revision of the Bombylic] Genus Aphoehantus. 



remainder black and yellow tomentose, the black forming six inter- 

 rupted crdssbahds ; pile white, on sides of first segment very abun- 

 dant, elsewhere very sparse ; venter white tomentose and pilose. 

 Legs white tomentose, that on apex of hind femora and on hind 

 tibiae yellowish ; hind femora each with from four to eight bristles 

 but no long hairs below ; middle femora each with two or three 

 bristles in front. Halteres dark brown, base of the stalk yellow. 

 Wings h valine, apex of the subcostal cell yellowish. 



Alale differs from the female in having only five interrupted 

 crossbands of black tomentum on the abdomen, and there is a 

 crossband of rather long white pile on hind end of segments 2 to 6. 

 Eyes meet each other for a considerable distance on the front. 

 Hypopvgnum very large, not dilated below, about equalling the last 

 two abdominal segments in length, g,viv\ pollinose and very short 

 sparse white pilose, destitute of tomentum. 



Length 5 to 7 mm. Los Ang^^-^^^ c >u.aty, Cal. Seven males and 

 three females, in June. 



Aphoeba.\tus scriptl'S n. sp. Female. Black. Front gray 

 pollinose, black pilose and sparse whitish tomentose; face gray pol- 

 linose, destitute of tomentvtm, black and reddish pilose, the latter 

 situated nearest the mouth. Proboscis never projecting more than 

 one-fourth the length of its labellcE beyond the oral margin. An- 

 tennae with first two joints sparse black pilose; styliform portion 

 of the third joint once and a half as long as the thickened basal 

 part. Occiput white and yellow tomentose, the latter most abun- 

 dant on the upper part. Thorax 3'ellow tomentose and sparse black 

 pilose, that on the front end 3^ellowish, bristles black and reddish; 

 pleura grav pollinose and w^hite tomentose, its pile yellowish and 

 white. Scutellum sub-opaque, yellowish tomentose, the bristles 

 reddish and black. Abdomen with alternate crossbands of light 

 yellowish and black tomentum, the black ones being five in number, 

 the last or seventh segment being destitute of black tomentum ; pile 

 of dorsum very short and sparse, of the sides longer and that on 

 the first two segments quite dense, white; venter white tomentose 

 and pilose. Legs yellowish-white tomentose, the bristles reddish ; 

 hind femora each with three bristles but no long hairs below, middle 

 femora each with three bristles in front. Halteres 3'ellowish-white. 

 Wings h\'aline, apex of the subcostal cell yellowish. 



Male differs from the female in having the black tomentum of 

 the abdomen confined to a m^dio-dorsal spot on segments 2 to 6, 

 the yellowish-white tomentum rather sparse, the dorsum and sides 

 with quite long and abundant erect whitish pile. E^'es meet each 

 other for a short distance on the front. Hypopygium rather small. 



