1923] 
New Saw-Flies, Hymenoptera, from Oregon 
81 
setiferous; setae white; clypeus angularly emarginate; supracly- 
peal area with ventral portion elevated with declivous sides, 
dorsal portion with an angular depression, median fovea in dorsal 
part, not distant from median ocellus, depression extending almost 
to median ocellus; antennal, vertical, ocellar, and interocellar 
furrows obsolete; head and thorax polished; mesocutellum flat; 
saw-guides greatly swollen, convex on lateral and ventral portions; 
distal portion obliquely truncated, joining ventral portion 
in a rounded ridge; wings yellowish, costa colored like membrane, 
stigma and veins brownish. Length, 10 mm. 
Habitat: — Moscow, Idaho, J. M. Aldrich, collector; 
Revelstoke, British Columbia; R. C. Osborn, collector; Male 
collected in Okanogan County, Washington, by C. W. Sutton, is 
evidently the same. 
This species is similar to clavicornis Fabricius. 
