12 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.48. 



ANDRENA TRUMANI, new species. 



Volga, South Dakota. 



Female. — Length, 10 mm. Black, with grayish- white hair. Hind 

 tibse and middle and hind tarsi clear ferruginous. Facial quadrangle 

 broader than long. Process of labrum short, emarginate. Clypeus 

 microscopically tessellate, strongly and closely punctured, with a 

 median impunctate line, the lower part of which is smooth and shiny. 

 Facial foveae seen from above grayish-white, occupying about two- 

 thirds space between eye and antenna; below they en drather broadly, 

 a short distance below level of antennae. Antennae dark; third 

 joint a little longer than the next two combined. Mesothorax dullish, 

 with rather small not very dense punctures ; hindpart of mesothorax 

 and scutellum more shining, very sparsely punctured. Sides of meso- 

 thorax very densely fringed with hair, the area broad triangular, 

 irregularly wrinkled. Tegulae reddish. Wings quite dusky, with a 

 reddish tint. Stigma and nervures ferruginous, stigma very bright. 

 Basal nervure meeting transverse median. Second submarginal 

 large, receiving first recurrent nervure about middle. Hair on hind 

 tibiae cream color. Abdomen with small but very distinct and numer- 

 ous punctures. Hind margin of first segment narrowly red. Seg- 

 ments 2-4 with thick white hair bands, that on 2 interrupted in 

 middle. Hair at apex light reddish. Second segment in middle 

 depressed more than one-third, but less than one-half. 



Type. — Collection of the American Entomological Society. 



b 12 . Mesopleura with small punctures; mesothorax with very small punctures. 



ANDRENA TITUSI, new species. 



Fort Collins, Colorado. May 7, 1901. (Titus.) 



Female. — Length, 10 mm. Black, rather slender. The small joints 

 of tarsi, middle and hind basitarsi and hind tibiae clear ferruginous. 

 Pubescence grayish white, faintly ocherous. Facial quadrangle 

 broader than long. Process of labrum narrow at apex, not emargi- 

 nate. Clypeus shining, strongly and quite closely punctured, with a 

 median smooth line. Facial foveae white, occupying about two- 

 thirds distance between eye and antenna, ending narrowly below at 

 about level of top of clypeus. Flagellum obscurely brownish beneath ; 

 third joint long, a little longer than next two together, but not so 

 long as next three. Mesothorax somewhat shining, rather closely 

 punctured. Area of metathorax small, coarsely, very irregularly 

 wrinkled, all other parts of metathorax very densely hairy. Tegulae 

 dark brown. Wings reddish hyaline. Stigma and nervures reddish 

 amber. Basal nervure meeting transverse median. The broad 

 second submarginal receiving first recurrent nervure very near its 

 end. Spurs cream color. Hair on hind tibiae very pale clear yellow- 



