1846 Hymenoptera in America North of Mexico 



plumiscopa Timberlake. South. Calif. Pollen: Unknown, but visits flowers of Cryptantha 

 intermedia, Platystemon califomicus. 

 Andrena {Pterandrena) plumiscopa Timberlake, 1951. U. S. Natl. Mus., Proc. 101: 376. 9, 

 6. 

 Taxonomy: LaBerge, 1967. Nebr. Univ. State Mus., Bui. 7: 294 (subgeneric position). 

 polygon! Viereck and Cockerell. Colo. 



Andrena polygoni Viereck and Cockerell, 1914. U. S. Natl. Mus., Proc. 48: 18. 6. 

 potentillarutn Viereck. Alta. to Colo. Pollen: Unknown, but visits flowers of Potentilla. 



Andrena (Andrena) potentillarum, Viereck, 1924. Canad. Ent. 56: 79. 9. 

 pulverea Viereck. Calif. 



Andrena (Andrena) pulverea Viereck, 1916. Acad. Nat. Sci. Phila., Proc. 68: 569. 9. 



purpurina Viereck and Cockerell. Colo. 



Andrena purpurina Viereck and Cockerell, 1914. U. S. Natl. Mus., Proc. 48: 16. 9. 

 robertsonii Dalla Torre. Colo, and Minn, to N. S., south to Ark. and Ga. Pollen: Unknown, but 

 visits flowers of Apocynum, Aronia, Aruncus, Brassica, Ceanothus, Cryptotaenia, 

 Pastinaca, Ptelea, Pyracantha, Rhus, Rubus, Taenidia, Viburnum. Predator: 

 Philanthus albopilosiis Cress. 

 Andrena serotina Robertson, 1893. Amer. Ent. Soc, Trans. 20: 148. 9 (cJ misdet.). Preocc. 

 Anthrena robertsonii Dalla Torre, 1896. Cat. Hym., v. 10, p. 149. N. name. 



Taxonomy: Robertson, 1902. Amer. Ent. Soc, Trans. 28: 193. 9, 6 (key). — Atwood, 1934. 

 Canad. Jour. Res. 10: 208, 209. 9, 6 (key). -Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. 

 Bui. 141: 237-238, figs. 46-47, 49, table 6 (redescription). 



Biology: Evans, 1975. Ent. Soc. Amer., Ann. 68: 891 (predator). 

 rufojugata Cockerell. Wyo. 



Andrena rufojugata Cockerell, 1931. Amer. Mus. Novitates 458: 17. 9. 

 sancta Viereck. Calif. 



Andrena (Andrena) sancta Viereck, 1916. Acad. Nat. Sci. Phila., Proc. 68: 571. 9. 



scotoptera Cockerell. Tex. 



Andrena scotoptera Cockerell, 1934. Amer. Mus. Novitates 732: 1. 9. 



stenosoma Viereck. Nev. 



Andrena (Andrena) stenosoma Viereck, 1925. Amer. Ent. Soc, Trans. 51: 135. tJ. 

 stictigastra Viereck. Calif. 



Andrena (Andrena) stictigastra Viereck, 1917. Acad. Nat. Sci. Phila., Proc. 68: 579. 9. 



Taxonomy: Linsley and MacSwain, 1961. Pan-Pacific Ent. 37: 129 (subgeneric position). 

 subarctica Cockerell. Alta. (Hay River). 



Andre7ia subarctica Cockerell, 1936. Canad. Ent. 68: 282. 9. 

 tetonorum Viereck and Cockerell. Nebr. 



Andrena tetonorum Viereck and Cockerell, 1914. U. S. Natl. Mus., Proc. 48: 24. 6. 

 trivialis Viereck. Calif. 



Andrena (Andrena) trivialis Viereck, 1917. Amer. Ent. Soc, Trans. 43: 388. 9. 



variantia Linsley. B. C. 



Andrena (Andrena) varia Viereck, 1924. Canad. Ent. 56: 81. 9. Preocc. 



Andreyia variantia Linsley, 1951. U. S. Dept. Agr., Agr. Monog. 2: 1084. N. name. 

 vicinoides Viereck. B. C, Wash. 



Andrena vicinoides Viereck, 1904. Canad. Ent. 36: 191. 9. 



Nomina Nuda in Andrena Fabricius 



Andrena alienoides (Viereck) Smith, 1910. Ins. New Jersey, p. 690. 

 Andrena delawarearum (Viereck). Smith, 1910. Ins. New Jersey, p. 690. 

 Andrena sparsipilosa Pierce, 1908. U. S. Natl. Mus., Bui. 66: 108. 

 Andrena tuberculata (Ashmead) Smith, 1910. Ins. New Jersey, p. 690. 



