Superfamily APOIDEA 1821 



fracta Casad and Cockerell. West. Tex. to south Calif.; Mexico (Distrito Federal, Puebla, 



Zacatecas). Pollen: Polylectic, visits flowers of Acacia, Argemone, Baileya, Cryptantha 

 intermedia, Desconrainia sophia, Dithyrea, Encelia farinosa, Eschscholzia, Fallugia, 

 Geraea canescens, Lepidiuvi, Lesquerella, Medicago, Oenothera, Opuntia, Phacelia, 

 Physaria, Prosopis, Primus, Pyrus, Salix, Senecio. 

 Andrena fracta Casad and Cockerell, 1896. Ann. and Mag. Nat. Hist. (6) 18: 84. 6, 9. 



Taxonomy: LaBerge, 1969. Amer. Ent. Soc, Trans. 95: 30-34, figs. 14-18 (redescription). 



Biology: LaBerge, 1969. Amer. Ent. Soc, Trans. 95: 34, table 3 (floral relationships). 

 mellea Cresson. Tex., N. Mex., Ariz. Pollen: Unknown, but visits flowers of Argemone, 



Asclepias subverticillata, Baccharis glutinosa, Fallugia paradoxa, Melilotus alba, Salix. 

 Andrena mellea Cresson, 1868. Amer. Ent. Soc, Trans. 1: 384. 9. 



Taxonomy: Cockerell, 1898. Denison Univ. Sci. Labs., Bui. 11: 48 (key). —Cockerell, 1931. 



Amer. Mus. Novitates 458: 16. 9 (key). —LaBerge, 1969. Amer. Ent. Soc, Trans. 95: 16-18, 



figs. 19-23 (redescription). 

 prunorum prunorum Cockerell. Sask., west to B. C, south to west. Tex., N. Mex., Ariz, and 

 Calif.; Mexico (Baja California). Pollen: Polylectic, visits a wide variety of flowers 

 including Acer, Actinea, Adenostoma, Amsinckia douglasiana, Arabis, Arctostaphylos, 

 Argemone, Baccharis glutinosa, B. viminea, Barbarea orthoceras, Berberis, Brassica 

 campestris, B. incana, B. nigra, Calochortus venustiis, Calyptridium umbellatum, 

 Ceanothus integerrimus, Cercocarpus betuloides, Chaenactis glabriuscula, Chamaebatia 

 foliolosa, Chrysothamnus, Clarkia biloba, C. rhoniboidea. Clematis, Cleome serrulata, 

 Crataegus, Crepis, Cryptantha interynedia, Cymopteris, Encelia farinosa, Eriastrum 

 virgata, Erigeron, Eriodictyon trichocalyx laiiatum, Eriogonum fasciculatum, E. 

 nudum, Eriophylhim, Erysimum asperum, Eschscholzia califomica, Fallugia 

 paradoxa, Gilia capitata, G. davyi, Hackelia, Helianthus, Heracleum, Hyptis emoryi, 

 Lappula, Larrea tridentata, Lepidium flavuni, Lesquerella, Linaria, Lithospermum, 

 Lomatium, Malus, Melilotus, Mentzelia, Micrampelis, Moiiardella lanceolata, 

 Nemophila, Opuntia, Pastinaca, Penstemon, Petalostemon, Phacelia distaiis, P. minor, 

 Philadelphus lewisii califomica, Platystemon, Plumbago, Potentilla, Prosopis, Prunus, 

 Purshia, Ranunculus, Raphanus sativa, Rhamnus califomicus, Rhus, Ribes, Rorippa, 

 Rubus, Salix, Sambucus caerulea, Sanicula nevadensis, Sophia, Sphaeralcea ambigua, 

 Shepherdia, Sisymbrium irio, S. linifolia, Solidago, Spiraea, Symphoricarpos, Syriiiga, 

 Tamarix gallica. Taraxacum officinale, Thysanocarpus curvipes, Trichostema parishii, 

 Trifolium. 



Andrena prunorum Cockerell, 1896. Ann. and Mag. Nat. Hist. (6) 18: 81. 9, 6. 



Andrena kincaidii Cockerell, 1897. Acad. Nat. Sci. Phila., Proc 49: 351. 9. 



Andrena pascoensis Cockerell, 1897. Entomologist 30: 305. 9. 



Andrena prunorum gillettei Cockerell, 1898. Ent. News 9: 172. 6. 



A7idrena venwni Viereck, 1904. Canad. Ent. 36: 190, 195. 9,6. 



Andrena arizonensis Viereck and Cockerell, 1914. U. S. Natl. Mus., Proc. 48: 42. 6. 



Andrena prunorum var. mariformis Cockerell, 1916. Pomona Jour. Ent. Zool. 8: 46. 9. 



Andrena {Andrena) shasta Viereck, 1926. Calif. Acad. Sci., Proc. (4) 15: 402. 9. 



Andrena prunorum var. pauperatula Cockerell, 1938. Canad. Ent. 70: 6. 9. 



Taxonomy: Viereck, 1904. Canad. Ent. 36: 190, 195. 9, d (key, as kincaidii). —Cockerell, 

 1914. Ann. and Mag. Nat. Hist. (8) 14: 11. 9 (key). —Cockerell, 1931. Amer. Mus. Novitates 

 458: 16. 9,6 (key). — Lanham, 1941. Ent. Soc Amer., Ann. 34: 704, 707. 9, 6 (key). 

 — LaBerge, 1969. Amer. Ent. Soc, Trans. 95: 18-30, figs. 2-3, 9-13 (redescription, 

 synonymy, integumental color variation). 



Biology: LaBerge, 1969. Amer. Ent. Soc, Trans. 95: 28-30, table 2 (floral relationships). 

 prunorum sinaloa Viereck. Ariz.; Mexico (Baja California and Sinaloa). Pollen: Presumably 

 polylectic, visits flowers of Encelia farinosa, Larrea tridentata. 

 Andrena sinaloa Viereck, 1926. Calif. Acad. Sci., Proc. (4) 15: 403. 9. 



Taxonomy: LaBerge, 1969. Amer. Ent. Soc, Trans. 95: 30 (redescription). 



