Superfamily APOIDEA 1839 



Andrena (Trachandrena) votula Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 204. 



9. 



Taxonomy: LaBerge, 1973. Amer. Ent. Soc, Trans. 99: 349-853, figs. 1, 15, 60-63 



(redescription, synonymy). 

 rugosa Robertson. Que. and New England, south to Ga., west to Minn, and Nebr. Pollen: 

 Polylectic, visits flowers of Acer, Amelanchier arborea, A. canadensis, Angelica, 

 Astragalus, Barbarea vulgaris, Brassica arvensis, Claytonia virginica, Comus mas, 

 Crataegus punctata, Dentaria laciniata, Dirca, Erigenia bulbosa, Fragaria, Geranium, 

 Hepatica, Heracleum, Isopyrum, Macrocalyx nyctelea, Melilotus officinalis, Paeonia, 

 Pastinaca sativa, Physocarpus opulifolius, Prunus americana, P. virginiana, Ptelea, 

 Pyracantha, Pyrus malus, Rhus, Ribes, Rosa multiflora, Rubus argutus, R. 

 oecidentalis, Salix, Sanicula, Spiraea aru7icus, Symphoricarpos, Taraxacum officinale. 

 Viburnum, Zanihoxyluyn, Zizia aurea. 



Andrena rugosa Robertson, 1891. Amer. Ent. Soc, Trans. 18: 58. 9, 3 ■ 



Andrena paenerugosa Viereck, 1907. Ent. News 18: 285. 9. 



Taxonomy: Robertson, 1902. Amer. Ent. Soc, Trans. 28: 189, 190. 9, S (key). — Atwood, 

 1934. Canad. Jour. Res. 10: 208, 210. 9, 6 (key). —Mitchell, 1960. N. C. Expt. Sta. Tech. 

 Bui. 141: 198-199, figs. 35-36, table 5 (redescription, synonymy). —LaBerge, 1973. Amer. 

 Ent. Soc, Trans. 99: 327-332, figs. 1, 13, 50-51 (redescription). 



Biology: LaBerge, 1973. Amer. Ent. Soc, Trans. 99: 332 (floral relationships). 

 salicifloris Cockerell. B. C. and Alta., south to Calif., Nev., Utah and Colo. Pollen: Polylectic, 

 but with some predilection for the flowers of Salix; visitation records include Acacia, 

 Acer, Amelanchier, Arctostaphylos, Berberis, Brassica, Ceanothus, Cerastium 

 oreophyllum, Chamaebatia foliolosa, Cicuta, Cistus, Epilobium angustifolium, 

 Eriogonum, Geranium, Grossularia, Hackelia patens, Hieracium lanatum, Lasthenia, 

 Lepidium, Lomatium dissectum, L. tritematum, Pastinaca sativa, Prunus demissa, P. 

 ilicifolia, P. virginiana, Pulsatilla patens, Pyracantha yunannensis, Pyrus malus. 

 Ranunculus califomicus, Ribes lacustre, Rubtis yiutkana, R. ursinus, R. vitifolius. 

 Taraxacum densileonis, T. officinalis. 



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



Trachandrena auricauda Viereck, 1904. Canad. Ent. 35: 159, 161. 9. 



Andrena (Trachandrena) tacitula var. grossulariae Viereck and Cockerell, 1914. U. S. 

 Natl. Mus., Proc. 48: 9. 6 . 



Andrena (Trachandrena) nortoni Viereck, 1916. Acad. Nat. Sci. Phila., Proc. 68: 602. 9, (J. 



Andrena (Trachandrena) veris Cockerell, 1934. Pan-Pacific Ent. 9: 156. 9,6. 



Taxonomy: Viereck, 1904. Canad. Ent. 36: 158, 159. 9, 6 (variation). — Lanham, 1941. Ent. 

 Soc. Amer., Ann. 34: 704, 707. 9, 6 (key, as veris). —LaBerge, 1973. Amer. Ent. Soc, 

 Trans. 99: 255-261, figs. 1, 3, 22-23 (redescription, synonymy). 



Biology: LaBerge, 1973. Amer. Ent. Soc, Trans. 99: 260 (floral relationships). 

 semipunctata Cockerell. Wash, to south. Calif., east to southeast. Utah and southwest. N. Mex. 

 Pollen: Oligolege of Salix including S. exigua, S. hindsiana, S. laevigata, S. lasiolepis, S. 

 nigra, but visits other flowers presumably for nectar including Baccharis, Ceanothus 

 soredatus, Prunus, Pyrus malus, Rhus trilobata, Sambucus, Senecio salignifolia, 

 Sisymbrium irio, Tamarix gallica. Taraxacum officinale. 

 Andrena semipunctata Cockerell, 1902. Ann. and Mag. Nat. Hist. (7) 9: 102. 9. 



Taxonomy: Viereck, 1904. Canad. Ent. 36: 159. 9, 6 (key). —LaBerge, 1973. Amer. Ent. Soc, 

 Trans. 99: 311-315, figs. 1, 9, 44-45 (redescription). 



Biology: Linsley, 1937. Brooklyn Ent. Soc, Bui. 32: 127 (floral relationships, adult behavior). 

 sigmundi Cockerell. N. B. south to Ga., west to B. C, south to Calif., Utah and N. Mex. Pollen: 

 Oligolege of Salix including S. bebbiana, S. discolor, but visits other flowers including 

 Acer saccharinum, Amelanchier canadensis, Barbarea vulgaris, Ceanothus fendleri, 

 Crataegus, Fragaria virginiana, Fraxinus, Kalmia latifolia, Lepargyrea argentea, L. 

 canadensis, Melilotus alba, Populus, Potentilla, Prunus demissa, P. virginiana. 



