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



573. Chrysochlamys croesus O. S. 

 Corvallis, V; Mt. Jefferson, VIII (Lovett and Smith) ; 

 Hood River, V-24 to VI-9 (Cole). 



574. Brachypalpus parvus Will. 

 Corvallis; Hood River VI (Cole). 



Female : Face and cheeks black, heavily white pollinose. 

 Cheeks with broad shining stripe from oral margin to base 

 of eye. Front above, vertex and a triangle on antennal 

 prominence white pollinose; on the sides below, shining. 

 Cheeks, just below antennas, front, and vertex golden pol- 

 linose. 



Abdomen opaque black with areas of opaque blue-gray 

 pollen as follows : First segment, except hind margin, quad- 

 rangles on second segment reaching neither front, posterior, 

 nor lateral margins; similar areas on third reaching anterior 

 margin and brief crescents on anterior margin of fourth. 

 Otherwise as male. 



575. Brachypalpus pigra Lovett 



Mt. Jefferson, VIII-15 (Lovett). 1919, Proc. Cal. Acad. 

 Sci., Ser. 4, IX, p. 241. 



576. Caliprobola pulcher (Will.) 



Mt. Jefferson, Mary's Peak, Hood River and Corvallis, 

 VII to VIII (Bridwell, Cole, Lovett and Childs). Found 

 commonly in midsummer on flowers in clearings in higher 

 altitudes, 4,800 to 6,000 feet where it frequents edges of 

 clearings, resting on low shrubs; or on bark of trees in sun- 

 light at lower altitudes. It has been collected at Corvallis 

 in October, resting on a window. 



577. Caliprobola crawfordi Shannon 

 Hood River, Mary's Peak and Corvallis (Cole, Lovett, 

 Chamberlin). Fairly common in unusual situations. Bred 

 adult from larvae collected in decayed heartwood of Douglas 

 Fir (Lovett). Not uncommon near Forest Reserve west 

 of Parkdale. Three specimens collected at Hood River 

 along railroad track, crawling under old ties. Those at 

 Parkdale were flying around scarred or burned trees (Cole 



