Superfamily APOIDEA 1787 



bradleyi Viereck. Colo, to N. S., south to Ga. Pollen: Unknown, but visits flowers of Pru^ius, 

 Pyrus, Rliododendron, Ribes, Vaccinimn. 

 Andrena bradleyi Viereck, 1907. Ent. News 18: 285, 286. 9,6. 

 Andrena saccharina Cockerell and Rohwer, 1907. Ann. and Mag. Nat. Hist. (4) 20: 128. 6. 



Taxonomy: Atwood, 1934. Canad. Jour. Res. 10: 206, 208, figs. 9, S (key). — Timberlake, 

 1951. In Linsley In Muesebeck, Krombein and Townes, U. S. Dept. Agr., Agr. Monog. 2: 

 1059 (synonymy). —Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 226-228, figs. 40, 

 46-47, 49-50 (redescription). 



Biology: Salt, 1927. Jour. Expt. Zool. 48: 249 (stylopization). 

 Carolina Viereck. Minn, to N. S., south to Tenn. and Ga. Pollen: Unknown, but visits flowers of 

 Azalea, Claytonia, Dentaria, Ledum, Pyrus, Rhodora, Vaccinium. 

 Andrena Carolina Viereck, 1909. Ent. News 20: 126. 9. 



Taxonomy: Atwood, 1934. Canad. Jour. Res. 10: 208, 209. 9, d. —Mitchell, 1960. N. C. Agr. 

 Expt. Sta. Tech. Bui. 141: 228-229, figs. 40, 45-46, 49 (redescription, flower records). 

 cheyennorum Viereck and Cockerell. Nebr., Wyo., Idaho. 



Andrena cheyennorum Viereck and Cockerell, 1914. U. S. Natl. Mus., Proc. 48: 20. 9, 6. 

 Andrena angustifrons Cockerell, 1934. Pan-Pacific Ent. 9: 155. 9. 



Taxonomy: Timberlake, 1951. In Linsley hi Muesebeck, Krombein and Townes, U. S. Dept. 

 Agr., Agr. Monog. 2: 1061 (synonymy). 

 durangoensis Viereck and Cockerell. Colo, to N. S., south to W. Va. Ecology: Unknown, but 

 visits flowers Ilex, Rubus. 

 Andrena durangoensis Viereck and Cockerell, 1914. U. S. Natl. Mus., Proc. 48: 36. i. 

 Andrena (Andrena) media Viereck, 1922. Boston Soc. Nat. Hist., Occas. Papers 5: 41. 6. 



Taxonomy: Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 229-230, figs. 40, 45, 46 

 (redescription, synonymy). 

 rufosignata Cockerell. Minn, to N. B. and New England states. 

 Andrena rufosignata Cockerell, 1902. Canad. Ent. 34: 46. 9. 



Taxonomy: Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 230, fig. 49 (redescription, 

 subgeneric assignment). — Knerer and Atwood, 1963. Canad. Ent. 95: 585, figs. 5, 7. 6. 



Genus ANDRENA Subgenus DACTYLANDRENA Viereck 



Andrena subg. Dactylandrena Viereck, 1924. Canad. Ent. 56: 20. 



Type-species: Andrena (Dactylandrena) maura Viereck. Monotypic and orig. desig. 



Taxonomy: Lanham, 1949. Calif. Univ. Pubs. Ent. 8: 204 (tax. characters). — LaBerge, 1964. 

 Nebr. Univ. State Mus., Bui. 4: 285, 288, 299 (tax. characters). 

 berberidis Cockerell. Colo. Pollen: Unknown, but visits flowers of Berberis. 



Andrena milwaukeensis var. berberidis Cockerell, 1905. Canad. Ent. 37: 371. 9. 



Taxonomy: Cockerell, 1914. Ann. and Mag. Nat. Hist. (8) 13: 9. 6. —Lanham, 1941. Ent. Soc. 

 Amer., Ann. 34: 705, 707. 9, i (key). 

 caliginosa Viereck. Calif. Pollen: Unknown, but possibly an oligolege oi Ribes. 



Andrena (Andrena) caliginosa Viereck, 1916. Acad. Nat. Sci. Phila., Proc. 68: 552. 9. 

 Andrena (Dactylandrena) maura Viereck, 1924. Canad. Ent. 56: 31. d (9 misdet.). 



Taxonomy: Linsley, 1938. Calif. Acad. Sci., Proc. (4) 23: 267. 9, 6 (key). 

 submaura Linsley. South. Calif. (The Gavilan and Sandbergs). Pollen: Unknown, but possibly 

 gathers pollen from Ribes indecorum. 

 Andrena submaura Linsley, 1938. Calif. Acad. Sci., Proc. (4) 23: 269. 6, 9. 



Genus ANDRENA Subgenus DERANDRENA Ribble 



Andrena subg. Derandrena Ribble, 1968. Nebr. Univ. State Mus., Bui. 8: 333. 

 Type-species: Andrena vandykei Cockerell. Orig. desig. 



Revision: Ribble, 1968. Nebr. Univ. State Mus., Bui. 8: 333-367, figs. 90-124, maps 11-18, 

 tables 12-14 (N. Amer. spp.). 



