THE CANADIAN ENTOMOLOGIST. 159 



9. Anal fimbria dark brown; wings dark ; abdomen globose -/uscUaticfa. 

 Anal fimbria bright golden ; wings pale. 



Punctures on dorsulum numerous, close together; abdomen 



depressed auricauda. 



Punctures on dorsulum very sparse ; abdomen more 



globose pernuda. 



10. Abdomen not densely punctured. 



Pubescence white j stigma black seinipunctata. 



Pubescence ochreous ; stigma pale striatifrons. 



Males. 

 Second dorsal segment depressed about one-third, sixth ventral segment 



with reflexed angles cratcegi. 



Second dorsal segment depressed more than one-third, but not as much 

 as half I . 



1. Ridges of the area prominent, very coarse 3. 



Ridges of the area not prominent, rather smooth 2. 



2. Abdomen distinctly fasciate. 



Dorsulum distinctly punctured ; pubescence yellowish to bright 



fulvous salicifloris, var. a. 



Dorsulum indistinctly punctured; pubescence white. . .semipunctata. 

 Abdomen indistinctly fasciate salicifloris, var. b. 



3. Abdomen distinctly fasciate, enclosure large, with numerous 



striae salicifloris. 



Enclosure small, with ie^i striae salicifloris, var. c. 



Abdomen indistinctly fasciate. 



Distinct punctures numerous on anterior halt of dorsulum. . . indotata. 



Distinct punctures absent on anterior half of dorsulum limarea. 



Trachandrena cratcegi, Robt., Trans, Am. Ent. Soc. Phil., XX., p. 223. 



Corvallis, Oregon, 6th May, 1899; 8th, 9th, loth June, 1898 

 (Cordley). Washington. 



Trachandrena amphibola, n. sp. 



? 12 mm. Pubescence whitish, fovete with brownish pubescence. 

 $ about the same size, colour and general appearance of $ , 

 antenna? dull. 



Type locaUty : Corvallis, Oregon; type Coll. Acad. Nat. Sci., Phila.* 

 *It is believed that the types will eventually go to this institution. 



