1808 Hymenoptera in America North of Mexico 



Andrena (Micrandrena) chlorogaster gavilanica Timberlake, 1951. U. S. Natl. Mus., Proc. 



101:394. 6,9. 

 Andrena (Micrandrena) radialis Timberlake, 1951. U. S. Natl. Mus., Proc. 101: 395. 6,9. 



Taxonomy: Timberlake, 1951. U. S. Natl. Mus. Proc. 101: 396 (tax. characters, as 

 nitidicomis). — Ribble, 1965. Kans. Ent. See, Jour. 38: 87, fig. 1 (anomalous specimen). 

 — Ribble, 1968. Nebr. Univ. State Mus., Bui. 8: 279-288, figs. 41-48, map 2 (redescription, 

 synonymy). 



Biology: Ribble, 1968. Nebr. Univ. State Mus., Bui. 8: 287-288, table 5 (floral relationships, 



parasites). 

 illinoiensis Robertson. South. Canada (Man. to Alta.) and Ohio, Mich., west to Wash., Oreg. 

 and south. Calif. (Blythe), south to Tex., N. Mex. and Ariz. Parasite: Stylops brunen 

 Pierce. Pollen: Polylectic, visits a wide variety of flowers including Amelanchier, 

 Amorpha fndicosa. Anemone, Antennaria plantaginifolia, Capsella, Cardantine, 

 Ceanothus ovatus, Comus, Crataegus, Descouraiyiia pinnata, Lepidium, Lomatium 

 daucifolium, L. foeniculaceum. Nasturtium, Prunus americana, Pyrus, Rhus 

 aromatica, Ribes missouriense, Rosa, Rubus, Salix amygdaloides, S. babylonica, S. 

 cordata, S. interior, S. nigra, Senecio, Shepherdia argentea, Sisymhriuyn, Sphaeralcea 

 coccinea. Spiraea thunbergii. Taraxacum officinale, T. vulgare, Thlaspi arvense, Zizia 

 aurea. 



Andrena illinoiensis Robertson, 1891. Amer. Ent. Soc, Trans. 18: 54. 9, 6. 



Andrena salicinella Cockerell, 1895. Psyche 7 (sup.): 4. 9. 



Andrena placitae Cockerell, 1903. Ent. News 14: 215. 6. 



Andrena vegana Viereck and Cockerell, 1914. U. S. Natl. Mus., Proc. 48: 17. 9. 



Taxonomy: Robertson, 1902. Amer. Ent. Soc, Trans. 28: 190, 192. 9, 6 (key). —Cockerell, 

 1914. Ann. and Mag. Nat. Hist. (8) 14: 10. 9 (key). — Lanham, 1941. Ent. Soc. Amer., Ann. 

 34: 706, 708. 9, 6 (key). -Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 162-163, 

 figs. 29, 31-32, table 4 (redescription). —Ribble, 1968. Nebr. Univ. State Mus., Bui. 8: 

 299-308, figs. 59-63, map 6 (redescription, synonymy). 



Biology: Ribble, 1968. Nebr. Univ. State Mus., Bui. 8: 306-307, table 8 (floral relationships, 

 stylopization). 

 ishii Ribble. Calif. Pollen: Unknown, but visits flowers of Salix. 



Andrena (Micrandrena) ishii Ribble, 1968. Nebr. Univ. State Mus., Bui. 8: 319, figs. 70-74, 

 map 8. 9, 6. 

 labergei Ribble. Ariz. (Southwestern Research Station), N. Mex. (Fort Wingate). Pollen: 

 Unknown, but visits flowers of Salix. 

 Andrena {Micrandrena) labergei Ribble, 1968. Nebr. Univ. State Mus., Bui. 8: 321, figs. 

 75-79, map 8. 9 , cJ . 

 lamelliterga Ribble. Md., Pa., Ind., Tenn., 111., Kans. Pollen: Unknown, but visits flowers of 

 Phacelia including P. dubia, P. ranuncidacea. 

 Andrena {Micrandrena) lamelliterga Ribble, 1968. Nebr. Univ. State Mus., Bui. 8: 272, 

 figs. 31-35, map A. 9, 6. 

 lepidii Ribble. South. Calif.; Mexico (Baja California). Pollen: Unknown, but visits flowers of 

 Cryptantha, Lasthenia chrysostoma, Lepidium flavuyn. 

 Andrena (Micrandrena) lepidii Ribble, 1968. Nebr. Univ. State Mus., Bui. 8: 262, figs. 

 16-20, map 3. 9, 6. 

 melanochroa Cockerell. N. S. to N. C, west to B. C, Wash., Oreg and Calif. Pollen: Polylectic, 

 apparently with a preference for pollens of Fragaria and Potentilla, but visits a variety 

 of flowers including Ceanothus, Cerastium arvense, Comus drummondi, Fragaria 

 virginiana, Kalmia, Potentilla canadensis. Ranunculus, Rubus, Salix, Taraxacum 

 officinale, Vaccinium, Waldsteinia. 

 Andrena melanochroa Cockerell, 1898. Entomologist 31: 89. 9, 6. 

 Micrandrena pacifica Ashmead, 1899. Amer. Ent. Soc, Trans. 43: 54. 9, 6. 

 Andrena fragariana Graenicher, 1904. Ent. News 15: 64. 9, 6. 

 Andrena {Micrandrena) vagans Cockerell, 1932. Canad. Ent. 64: 157. 9. 



