Bees of the Genus Andrena. 105 



it would be desirable to make further itive3ti.i2jations as to the 

 validity of the species and the identity of iijbertson's actual 

 type. 



Andrena Kincaidn^ Ckll. 



Mr. Kincaid took a male at flowers of 'Syr/rt^a at Olympia, 

 Wash., June 3. 



Andrena pn.riiasstce, sp. n. 



$ . — Length about 8 millini. 



Black, with copious but thin hair, greyish white on sides 

 and middle of face, occiput, pleura, nietathorax, and front of 

 mesothorax, black on clypeus, vertex, mesothorax (except 

 front), scutelluni, and postscutellum ; head broad, cheeks 

 large and shining ; antennaj black, faintly brownish at tips 

 beneath, first joint of flagellum a little longer than the next 

 two together, apical joint polished and shining above, con- 

 trasting with the other joints, which are much duller ; clypeus 

 strongly punctured^ with a narrow median smooth line; 

 process of labrum very low and broad, gently curved ; facial 

 fove^e scarcely pallid, close to eyes ; mesothorax dull, 

 minutely tessellate, with small jnmctures; enclosure of nieta- 

 thorax dull, coarsely roughened basally, no transverse ridge j 

 tegulai piceous ; wings smoky, nervures piceous, stigma 

 brown margined with piceous; legs black, with pale hair, 

 hair on inner side of basal joint of hind tarsi pale brownish ; 

 abdomen oval, shining, but microscopically tessellate and 

 impunctate, lateral hind margins of segments 2 to 4 with 

 white hair- bands, that on 4 nearly continuous in the middle 

 line; fin)bria silvery grey. 



Hab. Milwaukee^ Wisconsin, Sept. 14 {Dr. S. Grcenicher). 



Dr. Grtenicher informs me that it is an oligotropic bee, 

 collecting pollen exclusively from Parnassia caroliniana. 

 He had himself surmised that it was undescribed. 



Andrena Peckhami, sp. n. 



? . — Length about 8i millim. 



iSimilar to A. purnaasicv^ but differing as follows : — Head 

 not so broad ; clypeus with thin pale hair at sides, but nude 

 in the middle, with a broad, shining, impunctate space ; 

 maxillary palpi longer ; process of labrum a little rounder 

 and without a broad siiining edge; basal joints of tarsi all 

 broad (in parnasbioi basal joint of hind tarsus is narrow and 

 of middle tarsus shorter than in Peckftami) ; first recurrent 

 nervure joining second submarginal cell consitlerabiy beyond 



