Vol. XI] COLE AND LOVETT—LIST OF OREGON DIPTERA 253 



301. Leptogaster aridus Cole 



Hood River, VII-17 (Childs); Forest Grove, VII-12 

 (Cole). 1919, Proc. Cal. Acad. Sci. Ser. 4, IX, p. 229. 



302. Stenopogon breviusculus Loew 

 Corvallis, VI-30; lone, VII-22. 



303. Stenopogon California (Walk) 



Mackenzie Ridge, alt. 6,000 feet, VIII-1 ; Detroit, VII-11 

 and Burns (Bridwell); Parkdale, VI-18 (Cole); High 

 Ridges, 6,000-8,000 feet in Cascade Mts., Marion Co., 

 VIII-1. In these last specimens the thorax is almost entirely 

 covered with black pile, but otherwise they are typical. 



304. Stenopogon inquinatus Loew 

 Hood River VI-7 (Cole) ; Bend, V-19. 



305. Stenopogon morosus Loew 



lone, VII-22; Marysville, VII-15; Hood River, VII-9 

 (Cole). 



306. Docilonus simplex Loew 

 Hood River, VI-S to VI-26 (Cole). 



307. Dioctria media Banks 



Corvallis, VI-12 (Bridwell). 1917, Psyche XXIV, p. 

 118. 



308. Dioctria nitida Will. 



Large series from Rock Creek, near Corvallis, VI 

 (Lovett). 



309. Dioctria sackeni Will. 

 Listed from Mt. Hood by Dr. E. A. Back. 



310. Dioctria vertebrata Cole 



Parkdale, VI-12 (Cole). 1919, Proc. Cal. Acad. Sci. 

 Ser. 4, IX, p. 230. 



