246 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Se*. 



266. Villa vana (Coq.) 



Hood River, VII-25 (Cole); The Dalles; Lakeview 

 (Thompson). 



267. Villa willistoni (Coq.) 

 Crook Co., VIII-14 (Lovett). 



268. Lepidanthrax inauratus (Coq.) 

 Hood River, VI-3 to VII-9 (Cole). Not uncommon. 



269. Pantarbes pusio O. S. 

 Burns, VI-1 (Thompson). 



270. Bombylius aurifer pendens Cole 

 Hood River, VI-2 to VI-20 (Cole). 1919, Proc. Cal. 

 Acad. Sci., Ser. 4, IX, p. 226. 



271. Bombylius metopium O. S. 



Corvallis, IV-29; Hood River, V-8 to VI-3 (Cole). Osten 

 Sacken described only the male in his "Western Diptera." 

 The description will apply to the female in most respects. 

 In the female there is a tuft of silvery tomentum-like pile 

 on each side of the frons, between the antennae and the eye 

 margin, which is very noticeable. Frons with short yellow 

 pile and some long, black pile; pile of occiput whitish. 



272. Bombylius albicapillus Loew 



Large series taken at Hood River in early summer 

 (Cole); Corvallis, V-1S to VI-3; Burns, V (Thompson). 

 There is a great variation in the color of the pile and in the 

 intensity of the wing markings. In some females the pile 

 is almost entirely reddish, in others sordid, whitish. The 

 amount of black pile on the abdomen varies. The silvery 

 pile on the occiput of the male is noticeable at some distance 

 in life. These flies were parasitic in the nests of a species of 

 Halictus at Hood River. 



273. Bombylius lancifer O. S. 



Corvallis, VI-9; Whitman Nat. Forest; Buck Mt f , VII-9; 

 Hood River, VII-20 and Parkdale, VI- 18 (Cole). 



