1778 Hymenoptera in America North of Mexico 



Taxonomy: Mitchell, 1958. In Krombein, U. S. Dept. Agr., Agr. Monog. 2, First Suppl. pp. 

 213, 216 (synonymy). -Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 109-110, figs. 

 15-16, 20-21, table 3 (redescription). 

 Washington! Cockerell. B. C. to Wash, and Colo. 



Andrena washingtoni Cockerell, 1901. Psyche 9: 284. 9,6. 



Taxonomy: Viereck, 1904. Canad. Ent. 36: 192, 195. 9, S (key). 



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



Genus ANDRENA Subgenus APORANDRENA Lanham 



Andrena subg. Aporandrena Lanham, 1949. Calif. Univ. Pubs. Ent. 8: 201. 



Type-species: A^idrena coactipostica Viereck. Monotypic and orig. desig. 



Revision: LaBerge, 1969. Amer. Ent. Soc, Trans. 95: 34-40, figs. 29-33 (N. Amer. spp.). 

 coactipostica Viereck. Calif. Pollen: Polylectic, apparently prefers flowers of the families 



Papaveraceae and Boraginaceae in that order, but visits a variety of flowers including 

 Calandrinia menziesii, Capsella bursa- jMstoris, Cryptantha interruedia, Encelia 

 farinosa, Eschscholzia californica, Lasthenia gracilis, Phacelia distayis, Plagiobothrys 

 californicus, P. nothofulvus, Platystemon califomicus. 

 Andrena (Andrena) coactipostica Viereck, 1917. Amer. Ent. See, Trans. 43: 372. 9. 



Genus ANDRENA Subgenus BELANDRENA Ribbic 



Andrena subg. Belandrena Ribble, 1968. Kans. Ent. Soc, Jour. 41: 221. 

 Type-species: Andrena nemophilae Ribble. Orig. desig. 



The species of this subgenus exhibit a strong preference for the flowers of the families 

 Hydrophyllaceae and Malvaceae. 



Revision: Ribble, 1968. Kans. Ent. Soc, Jour. 41: 220-236, 15 figs., 1 map, 1 table (N. Amer. 

 spp.). 



Biology: Cruden, 1972. Madrono 21: 505-515, 1 fig., 2 tables (floral relationships). — Cruden, 

 1972. Evolution 26: 373-389, 8figs., 9 tables (floral relationships). 

 nemophilae Ribble. Calif. Parasite: Caloglyphus sp., Meloe sp. Pollen: Oligolectic on flowers of 

 Nemopliila including A'^. maculata, N. menziesii atonieria, N. m. integrifolia, N. m. 

 menziesii, N. pulchella, but visits other flowers for nectar including Arctostaphylos, 

 Ceanothus, Gilia, Montia, Pholistorna atiritum. 

 Andrena (Belandrena) nemophilae Ribble, 1968. Kans. Ent. Soc, Jour. 41: 223, figs. 1-5, 

 map 1, table 1. 9,6. 

 sagittagalea Ribble. Tex. Parasite: Vidia sp. Pollen: Apparently oligolectic on flowers of 

 Phacelia, but also visits flowers of Salix. 

 Andrena (Belandrena) sagittagalea Ribble, 1968. Kans. Ent. Soc, Jour. 41: 230, figs. 6-10, 

 map 1, table 1. 9, 6. 

 sphaeralceae Linsley. Ariz, west to south. Calif, and south. Nev. Pollen: Apparently oligolectic 

 on flowers of Sphaeralcea including S. ambigua, S. laxa, S. orcutti, S. subhastata, but 

 visits other flowers presumably for nectar including Koeberlinia, Phacelia distans. 

 Andrena (Opandrena) sphaeralceae Linsley, 1939. Pan-Pacific Ent. 15: 160. 9,6. 



Genus ANDRENA Subgenus CALLANDRENA Cockerell 



Callandrena Cockerell, 1898. Amer. Ent. Soc, Trans. 25: 186. 



Type-species: Panurgus manifestus Fox. Monotypic. 

 Pterandrena Robertson, 1902. Amer. Ent. Soc, Trans. 28: 193. 



Type-species: Andrena pulchella Robertson. Orig. desig. 



Most species of this subgenus obtain pollen from the flowers of the Compositae. 



Revision: LaBerge, 1967. Nebr. Univ. State Mus., Bui. 7: 1-316, 340 figs., 4 tables, 14 maps 

 (N. Amer. spp.). 



