14 PROCEEDINGS OF THE NATIONAL MUSEUM. tol. 48. 



Mesothorax and scutellum with very large sparse punctures. Area 

 of metathorax not defined, with very large coarse wrinkles. Pleura 

 strongly and closely punctured. Tegulae partly piceous and partly 

 light red. Wings reddish hyaline, nervures and the large stigma 

 ferruginous, the stigma very brightly colored. • Basal nervure going 

 a little basal of transverse median. Second submarginal receiving 

 first recurrent nervure beyond middle. Legs obscurely reddish, the 

 middle and hind tarsi clear ferruginous. Hair of hind tibiae and tarsi 

 pale, that on inner side of tarsi light ferruginous. Abdomen shining, 

 with distinct small punctures and without distinct hair bands; hair 

 at apex reddish golden; second segment in middle depressed fully 

 one-half. 



Type. — Entomological collection of the University of Nebraska. 



In the table the two last species fall as follows : 



Abdomen fasciate : 



Hind tibiae and tarsi blackish or dark brown forbesii. 



Hind tibiae and tarsi stramineous lincolni. 



Abdomen not fasciate : 



Hind tibiae and tarsi blackish or dark brown mariae var. concolor. 



Hind tibiae and tarsi stramineous moscovensis. 



o 3 . Not Trachandrena. 



a u . Abdomen red, wholly or in part, with pale ochreous hair-bands. 



ANDRENA CARRIKERI, new species. 



Lincoln, Nebraska. April 25, 1901. On willow. (M. A. Carriker.) 

 Male. — Length, 12 mm. Black, the abdomen from the apical 

 margin of the first segment to the f ourth ferruginous, the segments, 

 especially the fourth, more or less stained with blackish. All the 

 tarsi clear red, hind tibiae red stained with blackish. Hair of head 

 and thorax long and abundant, bright ochreous, becoming light fer- 

 ruginous in scutellum. Head very large and broad, facial quadran- 

 gle much broader than long; process of labrum broad and emarginate; 

 mandibles long and curved downward and with a downwardly di- 

 rected tooth beneath at base. Antennae long and slender. Flagel- 

 lum obscure brown beneath. Third antennal joint not quite twice 

 as long as fourth and little longer than the fifth. Clypeus entirely 

 hidden by dense hair; sides of front dull and striate; cheeks shining, 

 very broad, triangular, produced to nearly a right angle behind. 

 Mesothorax dull in front, shining behind. Scutellum shiny. Area 

 of metathorax coarsely granular in middle but its lataral margins 

 broadly shining. Tegulae dark brown. Wings brownish hyaline. 

 Stigma dark chestnut, nervures ferruginous. Basal nervure falling 

 far short of transverse median. Second submarginal cell receiving 

 first recurrent nervure near its end. Spurs ferruginous. Abdomen 

 shining, not punctured, with long loose hair, the hind margins of the 

 segments with thin pale yellowish bands, emphasized by the pallid 



