1806 Hymenoptera in America North of Mexico 



regularis Malloch. B. C. to N. S., in eastern U. S. from Minn, to New England States, south to 

 Ga. Pollen: Unknown, but visits flowers of Aster, Brassica, Pyrus, Rubus, Syringa, 

 Vaccinium. 

 Andrena regularis Malloch, 1917. Brooklyn Ent. Soc, Bui. 12: 91. 6, 9. 



Taxonomy: Atwood, 1934. Canad. Jour. Res. 10: 207, 209. 9, S (key). —Mitchell, 1960. N. C. 

 Agr. Expt. Sta. Tech. Bui. 141: 118-119, figs. 18-19, table 3 (redescription). 



sayi Robertson. N. B. to N. C, west to Minn., 111. and Kansas. Pollen: Unknown, but visits 

 flowers o{ Amelanchier, Aronia, Brassica, Cercis, Crataegus, Malus, Padus, Prunus, 

 Pyrus, Rubus, Salix, Stellaria, Taraxacum, Vaccinium. 

 Andrena sayi Robertson, 1891. Amer. Ent. Soc, Trans. 18: 52. 9, 6. 



Taxonomy: Robertson, 1902. Amer. Ent. Soc, Trans. 28: 191, 192. 9, 6 (key). —Mitchell, 



1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 131-132, fig. 23, table 3 (redescription). 

 sevierensis Mitchell. Tenn. (Sevier Co.). 



Andrena {^Gymnandrena) seviensis(\) Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 

 132, fig. 20. 9. 



Andrena {^Gymnandrena) sevierensis Krombein, 1967. In Krombein and Burks, U. S. 

 Dept. Agr., Agr. Monog. 2, Second Suppl. p. 434. Emend. 

 sola Viereck. B. C. to Calif., Ariz.; Mexico (Baja California). Pollen: Unknown, but visits 

 flowers of Aynsinckia intermedia, Arctostaphylos, Baccharis, Brassica, Ceanothus 

 crassifolius, Chaenactis glabriuscula. Clematis lasiantha, Cryptantha intermedia, 

 E7icelia farinosa, Eriodictyon, Gallium nuttallii, Gilia, Layia platyglossa, Melilotus, 

 Papaver califomica, Plagiobothrys califomicus, Platystemon califomica, Prunus 

 subcordat2is, Quercus, Ranunculus, Rhamnus califomica, R. crocea, Rhus diversiloba, 

 R. trilobata, Senecio califomicus, Solanum um.belliferum, Tam.arix. 



Andreyia (Andrena) sola Viereck, 1916. Acad. Nat. Sci. Phila., Proc 68: 577. 9. 



Andrena carissima Cockerell, 1924. Pan-Pacific Ent. 1: 58. 9. 



Andreyia microdonta Cockerell, 1924. Pan-Pacific Ent. 1: 61. 6. 



Andrena ensenadensis Cockerell, 1941. San Diego Soc Nat. Hist., Trans. 9: 345. 9. 



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

 Agr., Agr. Monog. 2: 1081 (synonymy). 

 transnigra Viereck. B. C. to Calif., Colo, and Wyo. Pollen: Unknown, but visits flowers of 

 Allium, Brassica, Ceanothus integerrimus, C. parviflorus, Chamaebatia foliolosa, 

 Lappula, Madia ramii. Ranunculus, Ribes, Salix, Taraxacum, Vaccinium, Wyethia. 

 A7tdre7ia trayisnigra Viereck, 1904. Canad. Ent. 36: 191. 9. 

 Andrena cya^iura Cockerell, 1916. Canad. Ent. 48: 252. 9. 

 Andrena transnigra paysoni Cockerell, 1924. Ent. News 35: 349. 9. 



Taxonomy: Cockerell, 1931. Amer. Mus. Novitates 458: 18. 9. 



vicina Smith. N. S. to Ga., west to B. C, Colo, and Oreg. Parasite: Nomada imbricata Sm., N. 

 obliterata Cress., N. vicina vicina Sm. Pollen: Unknown, but visits flowers of 

 Amelanchier, Azalea, Caragana, Castanea, Ilex, Malus, Narcissus, Padus, Prunus, 

 Pyrus, Rhododendron, Rhodura, Rubus, Salix, Scilla, Spiraea, Taraxacum, Trifolium, 

 Tulipa, Vaccinium, Viburnum. 

 Andre7ia vicina Smith, 1853. Cat. Hym. Brit. Mus., v. 1 p. 112. 9. 



Taxonomy: Morice and Cockerell, 1901. Canad. Ent. 33: 151 (type). —Cockerell, 1906. Psyche 

 13: 9. —Atwood, 1934. Canad. Jour. Res. 10: 207, 210, figs. 9, S (key). — Lanham, 1941. 

 Ent. Soc. Amer., Ann. 34: 705, 708. 9, 6 (key). —Mitchell, 1960. N. C. Agr. Expt. Sta. 

 Tech. Bui. 141: 132-134, fig. 23, table 3 (redescription). 



Biology: Packard, 1869. Guide Study Ins., p. 144 (nesting habits, parasites). —Clements and 

 Long, 1923. Carnegie Inst. Wash., Pub. 336: 249 (ecology). —Salt, 1927. Jour. Expt. Zool. 

 48: 251 (stylopization). 

 victima Smith. N. S. to Ont. and Conn. Possibly a syn. of A. vicina Smith. 

 Andreiia victima Smith, 1853. Cat. Hym. Brit. Mus., v. 1, p. 113. 9. 

 Aiidrena desponsa Smith, 1853. Cat. Hym. Brit. Mus., v. 1, p. 114. 6. 



