no. 2064. BEES OF GENUS ANDRENA—VIERECK AND COCKERELL. 51 



ANDRENA RADMITRICHA, new species. 



Lincoln, Nebraska. October 



Female. — Length, 9J mm. Black, the legs very dark reddish 

 brown. Pubescence dull white. Facial quadrangle about as broad 

 as long. Process of labrum narrow, emarginate. Apical half of 

 mandibles dark red; clypeus dullish, sparsely and feebly punctured. 

 Facial foveae seen from above grayish white, a little yellowish as seen 

 from upper end, about one-half as broad as distance between eye and 

 antenna, ending in a point at level of antennae and a little away from 

 eye. Front striate, elevated in middle. Flagellum chestnut red 

 beneath; third antennal joint about as long as the following three 

 together. Mesothorax moderately shiny, with very sparse feeble 

 punctures. Scutellum microscopically tessellate, shining like meso- 

 thorax, but hardly at all punctured. Area of metathorax granular, 

 scarcely defined. Tegulae reddish, with a dark spot. Wings unusu- 

 ally short, dusky hyaline, nervures and the small stigma dark red 

 brown. Basal nervure meeting transverse median. Second sub- 

 marginal cell broad, receiving first recurrent nervure well beyond 

 middle. Third submarginal rather short. Spurs creamy white. 

 Hind tibial scopa loose, of pure white branched hairs. Hairs on 

 inner side of hind tarsi shining dark brownish gray. Abdomen 

 dullish, not evidently punctured; hind margins of segments nar- 

 rowly pallid, with weak indications of hair bands; hair at apex 

 brownish white. 



In the key this runs next to A. solidaginis, from which it is known 

 by the light caudal fimbria. 



Type. — Entomological collection of the University of Nebraska. 



o 74 . Hair of thorax fulvous or ferruginous; first recurrent nervure joins second sub- 

 marginal cell almost at end. 

 a 75 . Larger; hair of hind tibiae entirely cream color. 



ANDRENA PAENEFULVA, new species. 



Colorado. 



Female. — Length, 10 mm. Black, with rather fight fulvous hair, 

 which is long and loose. "Facial quadrangle broader than long. 

 Process of labrum deeply emarginate. Clypeus shining, strongly 

 but not closely punctured, with a smooth median line. Facial foveae 

 seen from above pale seal brown, occupying more than one-half space 

 between eye and antenna, not much narrowed below, where they end 

 a little below level of antennae. Flagellum dull red beneath. Third 

 antennal joint not as long as next three together. Mesothorax 

 granular, somewhat shining, with very feeble obscure punctures. 

 Scutellum shining anteriorly, but its posterior part and the post- 

 scutellum granular and entirely dull, as also the poorly defined area 

 of the metathorax. Tegulae dark reddish, with long hair. Wings 

 reddish hyaline, nervures and stigma rather light reddish. Basal 



