Superfamily APOIDEA 1795 



Taxonomy: Morice and Cockerell, 1901. Canad. Ent. 33: 150 (type). — Cockerell, 1906. Psyche 

 13: 7. 9 (type). -Atwood, 1934. Canad. Jour. Res. 10: 207, 209, figs. 9,6. -Mitchell, 1960. 

 N. C. Agr. Expt. Sta. Tech. Bui. 141: 218-219, figs. 42-44 (redescription). — LaBerge and 

 Ribble, 1975. Amer. Ent. Soc, Trans. 101: 396-399, figs. 3, 25-29 (redescription, synonymy). 

 astragali Viereck and Cockerell. Wash, to Calif, east to Utah, Wyo. and Nebr. Pollen: 



Unknown, although frequently collected from the flowers of Zygadenus fremontii, but 

 visits other flowers including Agoseris glauca, Allium haematochiton, Astragalus, 

 Cardaria draba var. repens, Cliamaebatia foliolosa, Conius, Eriogomim, Oxytropis, 

 Salix, Taraxacum officinale, Tofieldia occideyitalis. 

 Andrena astragali Viereck and Cockerell, 1914. U. S. Natl. Mus., Proc. 48: 46. 9. 

 Andrena zygadeni Cockerell, 1932. Pan-Pacific Ent. 8: 174. 9,6. 

 auricoma Smith. B. C. to south. Calif., east to Wyo., Colo, and south to Ariz. Pollen: Polylectic, 

 most frequently collected at the flowers oi Ranunculus, Descourainia, Salix and 

 Potentilla in that order, but visits a great variety of flowers including Baccliaris, 

 Barbarea orthoceras, Brassica 7iigra, Camissonia, Ceanothus, CItainaebatia foliolosa, 

 Conius califomicus, Crataegus, Cryptantha intermedia, C. muricata, Daucus carota, 

 Dendromecon rigida, Descourainia sophia, Eriodictyon califomicum, Eriogonum 

 marifolium, Eriopbyllum obovatum, Euphorbia albomarginata, Fragaria califoniica, 

 Fntillaria lanceolata. Geranium, Gilia capitata, Hackelia floribunda, H. patens, 

 Lasthenia chrysostoma, Layia, Linanthus montanus, Lomatiuvi dissectum, L. 

 triternatum, Lupinus bicolor, Malacothamnus arcuatus, Malus, Mentzelia, Mirabilis 

 laevis, Montia perfoliata, Nemophila integrifolia, Ortbocarpus erianthus, Phacelia 

 cicutaria, P. distans, P. hispida, P. ramosissiyna, P. tanacetifolia, Plagiobothrys 

 califomicus, P. tenellus, Potentilla glandulosa, Pnaius ilicifolia, P. melanocarpa, P. 

 subcordata, Pyracantha, Quercus agrifolia, Ra7iu7iculus califomicus, R. occidentalis, 

 Rhannius crocea, Rhus diversiloba, R. trilobata, Rubus ursiyius, Salix laevigata, S. 

 lasiolepis, Salvia columbariae, Sanicula crassicaula, S. nevadensis, Saxifraga 

 integrifolia, Scrophularia califomica, Sedum, Sisymbriinn irio, Sisyrinchium bellum, 

 Stachys, Stenotopsis linearifolius, Tamarix gallica. Taraxacum officinale, 

 Thysanocarpus curvipes. 

 Andrena auricoma Smith, 1879. Descr. New Species Hym. Brit. Mus., p. 56. 6. 



Taxonomy: Morice and Cockerell, 1901. Canad. Ent. 33: 155. 6 (notes on type). —Cockerell, 



1906. Psyche 13: 8 (notes on type). —Viereck, 1904. Canad. Ent. 36: 193. 9, 6 (key). 



-Lanham, 1941. Ent. Soc. Amer., Ann. 34: 706, 708. 9, 6 (key). 

 caerulea Smith. B. C. (Vancouver Is.) to Calif., east to Idaho, Nev., and Utah (Mendon). 



Parasite: Myopa riibida (Bigot), Myopa sp., Nomada obscurella Fowler, N. opacella 

 Timberlake, Stylops pacifica Bohart. Pollen: Oligolege of Ranunculus, especially R. 

 califomicus, but visits other species of Ranimcuius including R. alsijuaefolius, R. 

 occidentalis, R. o. dissectus, R. orthorhynchus as well as the flowers of Arctostaphylos, 

 Astragalus, Brassica, Ceanothus including C. cuneatus, Cryptantha, Fagus, Gilia, 

 Ipomoea, Lasthenia chrysostoma, Lomatium, Lysichiton kayntschatcense, Mimulus, 

 Nemophila, Phacelia, Polygonum bistortoides, Rhamnus, Ribes, Rubus, Salix, Seiiecio, 

 Sanicula 7ievade7isis, Sisyrinchium bellmn, Taraxacmn officinale. Predator: Xysticus. 



Andre7ia caerulea Smith, 1879. Descr. New Species Hym. Brit. Mus., p. 55. 9. 



Andre7ia coerulea var. territa Cockerell, 1898. Entomologist 31: 89. 9. 



Pterandre7ia erigenoides Viereck. 1904. Canad. Ent. 36: 227. 9. 



Ptera7idre7ia crypta Viereck, 1904. Canad. Ent. 36: 227. 9. 



Pterandre7ia acrypta Viereck, 1904. Canad. Ent. 36: 227. 9. 



Ptera7idrena co7)iplexa Viereck, 1904. Canad. Ent. 36: 227. 9. 



Andrena (Ptilandre7ia) fra7icisca Viereck, 1917. Acad. Nat. Sci. Phila., Proc.'68: 595. 9. 



A7idre7ia supervirens Cockerell, 1924. Pan-Pacific Ent. 1: 64. 9. 



A7idre7ia supervire^is var. auresceiis Cockerell, 1924. Pan-Pacific Ent. 1: 64. 9. 



A7idrena (A7idre7ia) i7mo7ninata Viereck, 1926. Calif. Acad. Sci., Proc. (4) 15: 404. 6. 



A7idre7ia (Ptilandre7ia) tristis Linsley, 1951. In Muesebeck, Krombein and Townes, U. S. 

 Dept. Agr., Agr. Monog. 2: 1062. Nomen nudum. 



