Superfamily APOIDEA 1831 



uvulariae Mitchell. Md. (Beltsville). Pollen: Unknown, but visits flowers of Uvularia 

 sessilifolia. 

 Andrena (^Simandrena) uvulariae Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 

 245, fig. 54. 9. 



vexabilis Timberlake. North. Calif. Pollen: Unknown, but visits flowers of Achillea lanulosa, 

 Agoseris heterophylla, Chaviaebatia foliolosa. Coreopsis maritima, Cryptantha 

 micraniha, Encelia californica, Eriophyllum confertiflorum, Lasthenia chrysostoma, L. 

 gracilis, Layia platyglossa, Helianthella californica, Horkelia fusca, Senecio 

 califomicus, Viguiera, Wyethia angustifoiia. 



Andrena (Stenandreyia) vexabilis Timberlake, 1951. U. S. Natl. Mus., Proc. 101: 385. 9, 6. 

 wheeleri Graenicher. N. S. and Maine to Alta., south to Colo., Minn., Wis. and N. C. Pollen: 

 Unknown, but visits flowers of Centaurea, Chrysanthemum leucanthemum, Camus, 

 Rhododendron, Rubus, Sedum acre. 



Andrena wheeleri Graenicher, 1904. Ent. News 15: 65. 9, 6. 



Andrena wheeleri pallidior Cockerell, 1938. Canad. Ent. 70: 7. 9. 



Taxonomy: Atwood, 1934. Canad. Jour. Res. 10: 208, 209. 9, 6 (key). —Mitchell, 1960. N. C. 

 Agr. Expt. Sta. Tech. Bui. 141: 246-247, figs. 51-52 (redescription, synonymy). 



Genus ANDRENA Subgenus TAENIANDRENA Hedicke 



Andrena subg. Taeniandrena Hedicke, 1933. Berlin Zool. Mus., Mitt. 19: 219. 

 Type-species: Melitta ovatula Kirby. Orig. desig. 



Taxonomy: LaBerge, 1964. Nebr. Univ. State Mus., Bui. 4: 286, 292, 306-307 (tax. characters). 

 wilkella (Kirby). Holarctic; N. S. to Wis., south to Va. and Ohio. Presumably introduced. 



Pollen: Apparently polylectic, visits flowers of Achillea, Amorpha, Brassica, Cirsium, 

 Crataegus, Daucus, Epilobium, Fragaria, Leontodon, Malus, Philadelphus, Pinus, 

 Primus, Raphanus, Rhododendron, Rhodura, Rubus, Solidago, Stellaria, Taraxacum, 

 Trifolium, Vaccinium. 

 Melitta wilkella Kirby, 1802. Monog. Apum Angliae, v. 2, p. 145. 9 , <J . 

 Andrena winkleyi Viereck, 1907. Ent. News 18: 283, 285. 9,6. 



Taxonomy: Malloch, 1918. Biol. Sec. Wash., Proc. 31: 61. —Atwood, 1934. Canad. Jour. Res. 

 10: 207, 210. 9, 6 (key). -Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 250-251, 

 figs. 52, 54-55 (redescription). 



Biology: Brittain, 1933. Canada Dept. Agr., Bui. 162: 94 (floral relationships). —Atwood, 1933. 

 Canad. Jour. Res. 9: 456 (floral relationships). — BrittAin and Newton, 1933. Canad. Jour. 

 Res. 9: 341 (flower records). —Brittain and Newton, 1934. Canad. Jour. Res. 10: 261 

 (flower records). 



Genus ANDRENA Subgenus THYSANDRENA Lanham 



Andrena subg. Thysandrena Lanham, 1949. Calif. Univ. Pubs. Ent. 8: 213. 

 Type-species: Andrena Candida Smith. Orig. desig. 



Taxonomy: LaBerge, 1964. Nebr. Univ. State Mus., Bui. 4: 287, 293, 294, 306 (tax. characters). 

 argentiscopa Viereck. Calif. 



Andrena (Andrena) argentiscopa Viereck, 1917. Amer. Ent. Soc, Trans. 43: 368. 9. 



beckeri Cockerell. Colo. 



Andrena beckeri Cockerell, 1921. Ann. and Mag. Nat. Hist. (9) 7: 211. 9. 



Taxonomy: Cockerell, 1932. Pan-Pacific Ent. 8: 175. —Lanham, 1941. Ent. Soc. Amer., Ann. 

 34: 706. 9. 

 bisalicis Viereck. N. Dak. to New England states, south to Ga. Parasite: Nomada sp. Pollen: 



Unknown, but visits flowers of Amelanchier, Aronia, Brassica, Crataegus, Ilex, Prunus, 

 Salix. 

 Andrena salicis Robertson, 1891. Amer. Ent. Soc, Trans. 18: 53. 9, d. Preocc. 

 Ajidrena bisalicis Viereck, 1908. Ent. News 19: 42. N. name. 

 Andrena (Andrena) adelae Viereck, 1922. Boston Soc. Nat. Hist., Occas. Papers 5: 37. 9. 



