Superfamily APOIDEA 1833 



Andrena washingtoni vianitouensis Viereck and Cockerell, 1914. U. S. Natl. Mus., Proc. 

 48: 31. S. 



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

 Agr., Agr. Monog. 2: 1066 (synonymy). 

 geranii Robertson. New England states and Va., west to Minn, and Colo. Pollen: Unknown, 

 but visits flowers of Arabis, Blephiiia, Geranium, Hydrophylhim, Osmorrhiza, 

 Polemonium. 

 Andrena geranii Robertson, 1891. Amer. Ent. Soc, Trans. 18: 54. 9, S. 



Taxonomy: Robertson, 1902. Amer. Ent. Soc, Trans. 28: 190, 192. 9, i (key). —Mitchell, 

 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 221-222, figs. 44-45, table 6 (redescription). 

 haroldi Timberlake. Calif. Pollen: Unknown, but visits flowers of Lasthenia. 



Andrena (Micrandrena) haroldi Timberlake, 1951. U. S. Natl. Mus., Proc. 101: 398. 9,6. 



Taxonomy: Ribble, 1968. Nebr. Univ. State Mus., Bui. 8: 333 (subgeneric position). 

 knuthiana Cockerell. Oreg., Calif. Pollen: Unknown, but visits flowers of Ceanothus 



cordulatus, Cryptantha lepida, Rhamnus califoniica, Salix, Sanibucus velutina. 

 Andrena knHthia7ia Cockerell, 1906. Ztschr. System. Hym. Dipt. 1: 80. 9, 6. 



Taxonomy: Cockerell, 1901. Ent. News 12: 74. 9. 



lata Viereck. N. S. to Minn., south to Ga. Pollen: Unknown, but visits flowers of Brassica, 

 Hydrangea, Potentilla, Primus, Pyrus, Rubus. 

 Andrena (Andre^ia) lata Viereck, 1922. Boston Soc. Nat. Hist., Occas. Papers 5: 39. 9. 

 Andrena (Andrena) vulgaris Viereck, 1922. Boston Soc. Nat. Hist., Occas. Papers 5: 40. 6. 



Taxonomy: Atwood, 1934. Canad. Jour. Res. 10 (2): 208, 210. 9, 6 (key). —Mitchell, 1960. N. 

 C. Agr. Expt. Sta. Tech. Bui. 141: 222-224, figs. 44-45, table 6 (redescription, synonymy). 

 medionitens Cockerell. B. C. and Alta. to Calif, and Colo. Pollen: Unknown, but visits flowers 

 of Cymopterus terebinthus, Eriogonum latifoiium var. midum, E. subscaposum. 

 Erysimum asperuyyi, Gilia tenuiflora, Hackelia jessicae, Holodiscus discolor, Horkelia 

 bemardina, H.fusca, Oxytropis, Potentilla glandiilosa, P. wheeleri, Sisymbrium 

 incisum, Spraguea umbellata, Streptanthus tortuosus. 

 Andrena medionitens Cockerell, 1902. Ann. and Mag. Nat. Hist. (7) 9: 101. 9. 



Taxonomy: Viereck, 1904. Canad. Ent. 36: 192, 194. 9,6. —Viereck and Cockerell, 1914. U. 

 S. Natl. Mus., Proc. 48: 48. 9 (variation). 



Biology: Clements and Long, 1923. Carnegie Inst. Wash., Pub. 336: 249 (ecology, as 

 madronitens). 

 phaceliae Mitchell. Md., Va., 111. Pollen: Unknown, but visits flowers of Alsine pubera, 

 Phacelia dubia, P. purshii. 

 Andrena (Thysandrena) phaceliae Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 224, 

 figs. 44, 45. 9,6. 

 phocata Cockerell. Colo. 



Andrena phocata Cockerell, 1910. Canad. Ent. 42: 369. 9. 



subcandida Viereck. B. C. to Calif. 



Andrena subcandida Viereck, 1904. Canad. Ent. 36: 193. 9. 

 subdistans Viereck. Wash., Oreg. 



Andrena subdistans Viereck, 1904. Canad. Ent. 36: 193. 9. 

 subtrita Cockerell. Nev. 



Andrena subtrita Cockerell, 1910. Ann. and Mag. Nat. Hist. (8) 5: 263. 9. 

 taeniata Viereck. Calif. 



Andretia (Atidrena) taeniata Viereck, 1916. Acad. Nat. Sci. Phila., Proc. 68: 538. 9. 

 trizonata (Ashmead). Colo. 



Cilissa trizonata Ashmead, 1890. Colo. Biol. Assoc, Bui. 1: 6. 9. 

 vierecki Cockerell. Utah, Colo., Calif. Parasite: Myopa rubida (Bigot). 



Andrena vierecki Cockerell, 1904. Ann. and Mag. Nat. Hist. (7) 14: 26. 9. 



Andrena boharti Linsley, 1939. Pan-Pacific Ent. 15: 159. 9,6. 



