THE CANADIAN ENTOMOLOGIST. 45 



NEW BEES OF THE GENUS ANDRENA, FROM WISCONSIN. 



BY T. D. A. COCKERELL, E. LAS VEGAS, N. M. 



Andrena subcommoda, n. sp. 



%. — Length about 12 mm.; black; head and thorax with pale 

 ochraceous or whitish hair, very short and thin on thoracic dorsum ; head 

 ordinary, facial quadrangle square ; vertex behind the ocelli finely 

 roughened and punctured ; front below the ocelli punctured as well as 

 grooved ; facial fovepe broad, pale, closely adjacent to eyes ; antennae 

 dark ; clypeus thinly hirsute, shining, strongly but not densely punctured, 

 no median smooth line ; process of labrum truncate ; maxillary palpi 

 short ; mesothorax shining, strongly but not densely punctured ; meta- 

 thorax very coarsely roughened, enclosure irregularly subreticulately 

 ridged, but without a transverse bounding ridge ; tegulre dark, with a 

 ferruginous spot ; wings dusky with a yellow tint, nervures and stigma 

 ferruginous, second submarginal cell broad; legs wholly dark ; hind tibial 

 spur of hind legs much curved ; hair on inner side of basal joint of hind 

 tarsi fulvous ; abdomen shining, strongly and closely punctured, finely 

 pubescent at sides, but without dorsal hair-bands ; fimbria fulvous. 



Hab. — Milwaukee, Wisconsin, June n. (Dr. S. Graenicher.) 

 Differs from A. Commoda by not having ferruginous tarsi and hind tibiae ; 

 also by the truncate process of labrum. By the latter character, among 

 others, it differs from A. pruni. 



Andrena Sigmundi, n. sp. 



9. — Length 10 mm.; black; pubescence brownish-white; head 

 ordinary ; cheeks densely and strongly punctured ; antenna? dark ; first 

 joint of flagellum rather short; front below ocelli cribrately punctured ; 

 clypeus bare, very shiny, very densely and strongly punctured, with a 

 narrow median impunctate line on the lower two-thirds; facial fovese pale, 

 narrow below, broadening gradually above ; process of labrum truncate ; 

 mesothorax very strongly and densely punctured ; scutellum the same ; 

 metathorax cribrate, very rough, enclosure with small vermiform plica- 

 tions and no transverse ridge ; teguhe piceous, with a brown spot ; wings 

 stained with yellowish ; nervures and stigma dark ferruginous ; first 

 recurrent nervure entering second submarginal cell at the beginning of its 

 last third; legs wholly dark ; hair on inner side of basal joint of hind tarsi 

 fuscous, shining coppery ; abdomen suboval, shining, strongly and rather 

 closely punctured ; no hair-bands, but segments 4 and 5 fringed with 

 shining hairs ; fimbria auro-fuscous. 



