312 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



tibia with three antero-dorsal, and two or three postero-dorsal 

 bristles. First vein bare. 



Male. — Similar to the female. Fifth sternite with two long- 

 processes which taper slightly apically and have some long 

 hairs along their inner margins. 



Type, female, 7 mm. long, No. 541, C. A. S., Corvallis, 

 Ore., May 2, 1915; A. L. Lovett, coll. Paratype, Beaver 

 Creek, Newport, Ore., August 13, 1902; J. M. Aldrich, coll. 



