Superfamily APOIDEA 1829 



Taxonomy: Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 192, fig. 35, table 5 



(redescription). — LaBerge, 1971. Amer. Ent. Soc, Trans. 97: 463-465, fig. 1 (redescription). 

 phenax Cockerell. South. Calif. 



Andrena phenax Cockerell, 1898. Amer. Ent. Soc. Trans. 25: 188. 9. 



Taxonomy: Linsley and MacSwain, 1961. Pan-Pacific Ent. 37: 129 (tax. status). —Thorp, 1969. 

 Calif. Univ. Pubs. Ent. 52: 121-123 (tax. status). —LaBerge, 1971. Amer. Ent. Soc, Trans. 

 97: 503-504, fig. 1 (redescription). 

 rubi Mitchell. N. C. to Ga., west to Tex., Okla., Kans. and Nebr. Pollen: Unknown, but visits 



flowers of Aronia, Crataegus, Descourainia intermedia, D. pinnata, Prunus americana, 

 P. gracilis, Ritbiis, Salix nigra, Spiraea. 

 Andrena {Trachandrena) rubi Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 198, fig. 

 35. 9. 

 stipator LaBerge. Calif. Pollen: Unknown, but visits flowers of Cryptantha, Meconella, 

 Platystemon califomicus. 

 Andrena (Scrapteropsis) stipator LaBerge, 1971. Amer. Ent. Soc, Trans. 97: 491, figs. 1, 3, 

 44-48. 9,6. 

 unicostata LaBerge. Tex., Okla. Pollen: Unknown, but visits flowers of Salix. 



Andrena (Scrapteropsis) unicostata LaBerge, 1971. Amer. Ent. Soc, Trans. 97: 481, figs. 1, 

 5,32-36. 9,6. 



Genus ANDRENA Subgenus SIMANDRENA Perez 



Simandrena Perez, 1890. Soc. Linn. Bordeaux, Actes. 44: 174. 



Type-species: Andre^ia propinqua Schenck. Desig. by Hedicke, 1933. 

 Andrena subg. Platandrena Viereck, 1924. Canad. Ent. 56: 21. 



Type-species: Andrena vestita Provancher. Monotypic and orig. desig. (,=Andrena 

 nasonii Robertson) 

 Andrena subg. Stenandrena Timberlake, 1949. In Lanham, Calif. Univ. Pubs. Ent. 8: 213. 



Type-species: Andrena pallidifovea (Viereck). Orig. desig. 



Taxonomy: LaBerge, 1964. Nebr. Univ. State Mus., Bui. 4: 285, 286, 293, 304 (tax. characters, 



synonymy). 

 angustitarsata Viereck. Wash, to Calif. Pollen: Apparently polylectic, visits a wide variety of 

 flowers including Achillea lanulosa, A. millefolium, Arenaria douglasii, Ceanothus 

 cuneatus, C. greggii, C. integerrimus, C. leucodermis, C. orcuttii, C. palmeri, C. 

 soredatus, Chamaebatia foliolosa, Claytonia spatulata, Eriodictyon californicum, 

 Eriophyllum confertiflorum, Gilia capitata, Grossularia califomica, Horkelia bolanderi, 

 Lasthenia chrysostoma, Linanthus aureus, Lomatium utriculatum, Paeonia califomica, 

 Plagiobothrys nothofulvus, Potentilla glandidosa, Prunus ilicifolia. Ranunculus 

 califomicus, Rhamnus califomicus, R. crocea, Rhus diversiloba, Salix laevigata, S. 

 lasiayidra, S. lasiolepis, Sanicula bipinnatifida, S. nevadensis, S. tuberosa, Saxifraga 

 integrifolia, Swertia parryi, Thysanocarpus curvipes. 



Andrena angustitarsata Viereck, 1904. Canad. Ent. 36: 189, 196. 9. 



Pterandrena nudiscopa Viereck, 1904. Canad. Ent. 36: 227, 228. 9. 

 essigi Timberlake. South. Calif. Pollen: Unknown, but visits flowers of Cryptantha intermedia, 

 Lasthenia aristata, L. gracilis, Layia elegans, Rhamnus crocea, Rhus trilobata, 

 Sisymbrium irio. 



Andrena {Stenandrena) essigi Timberlake, 1951. U. S. Natl. Mus., Proc 101: 384. 9,6. 

 friesei Viereck. Calif. Ecology: Unknown, but visits flowers oi Amsinckia douglasiana, 

 Brassica, Calandrinia menziesii, Eschscholzia califomica, Lasthenia, Raphanus 

 sativus. 



Andrena {Andrena) friesei Viereck, 1917. Acad. Nat. Sci. Phila., Proc. 68: 558. 9. 

 huardi Viereck. Calif. Pollen: Possibly an oligolege of Salix including S. argophylla, S. 



gooddingii, S. hindsiana, S. laevigata, S. lasiolepis, S. nigra, but visits other flowers 

 possibly for nectar only including Alyssum maritimum, Sambucus. 



Andrena {Andrena) angustitarsata huardi Viereck, 1917. Amer. Ent. Soc, Trans. 43: 368. 

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