44 PROCEEDINGS OF TEE NATIONAL MUSEUM. vol.48. 



Length, 7 mm. Resembles female in everything except usual 

 sexual differences. Face entirely black; cheeks normal. Apical 

 plate small, hidden in a tuft of creamy white hair. 



For fuller description of male see above. 



6 62 . Stigma ferruginous; first recurrent nervure joins second submarginal cell beyond 

 middle. 



ANDRENA AUTUMNALIS, new species. 



Lincoln, Nebraska. September. 



Female. — Length, 11 mm. Black, the legs very dark reddish. 

 Pubescence grayish white. Facial quadrangle broader than long; 

 process of labrum emarginate; clypeus shining, sparsely and weakly 

 punctured in middle, more closely on sides. Facial foveae as seen 

 from above pale seal brown, almost half as broad as distance from 

 eye to antennae, ending broadly below, a trifle below level of antennae 

 and not diverging from eye. Front striate. Flagellum dark red- 

 dish. Third antennal joint about as long as fourth and fifth together. 

 Mesothorax dull, with very sparse weak punctures. Scutellum broad 

 and flat, smooth and shiny. Area of metathorax small, without 

 evident sculpture. Tegulae father pale brown. Wings reddish 

 hyaline, stigma and nervures amber color. Basal nervure meeting 

 transverse median. Second submarginal cell receiving first recur- 

 rent nervure at about beginning of last third. Hair on outer side of 

 tibiae and tarsi sooty. Middle femora very sharply keeled beneath, 

 with a long white fringe. Hair on inner side of hind tarsi very dark 

 brown; spurs cream color. Abdomen impunctate, the hind margins 

 of the segments whitish, with very thin bands, with long white hair. 

 Hair at apex sooty. 



Very close to A. runcinatae Cockerell, but distinct. A. runcinatae 

 is smaller and has a good deal of black hair on thorax above. 



Type. — Entomological collection of the University of Nebraska. 



o 61 . Hair of thorax above ocbreous; first recurrent nervure joins second submarginal 

 cell much, beyond middle, or nearly at end. 



ANDRENA TOPAZANA Cockerel], 



Grangeville, Idaho. 



Female. — Length, 10 mm. Black, small joints of the tarsi reddish. 

 Pubescence pale ocherous. Facial quadrangle broader than long. 

 Process of labrum broadly truncate. Clypeus shining, very sparsely 

 but distinctly punctured. Facial foveae seen from above dark, occu- 

 pying at least two-thirds distance between eye and antenna, below 

 going short distance below level of antennae. Flagellum chestnut red 

 beneath. Third antennal joint a little longer than next two com- 

 bined. Mesothorax and scutellum dull, hardly punctured. Area of 

 metathorax granular. Tegulae dark reddish. Wings quite strongly 

 brownish; stigma and nervures ferruginous. Basal nervure falling 



