Superfamily APOIDEA 1797 



Eryfhronium grandiflorum , Fragaria, Fritillaria puniila, Lonkera, Lotus, Montia 

 perfoliata, Peiasifes palmata, Pulsatilla hirsutissima, Ranunculus, Rhododendron 

 occidentale, Rosa, Rubus, Sviilacina stellata, Synthiridis plantagium. 



Cillissa nigrihirta Ashmead, 1890. Colo. Biol. Assoc, Bui. 1: 6. S. 



Andrena longihirtiscopa Viereck, 1904. Canad. Ent. 36: 191. 9. 



Andrena decussata Viereck, 1904. Canad. Ent. 36: 193, 194. 9,6. 



Andrena decnssatula Viereck, 1904. Canad. Ent. 36: 193. 9. 



Andrena synthiridis Cockerell, 1906. Amer. Mus. Nat. Hist., Bui. 22: 436. 9. 



Andrena novae-angliae Viereck, 1907. Ent. News 18: 283. 9. 



Aiidrena nivaloides Graenicher, 1911. Pub. Mus. Milwaukee, Bui. 1: 235. 9. 



Andrena discolor Viereck, 1916. Amer. Mus. Nat. Hist., Bui. 35: 370. 9. 



Andrena (Andrena) tumida Viereck, 1922. Boston Soc. Nat. Hist., Occas. Papers 5: 35. 9, 

 S. 



Andrena {Andrena) vancouvereyisis Viereck, 1924. Canad. Ent. 56: 80. i. 



Andrena (Andrena) nigrovaria Viereck, 1924. Canad. Ent. 56: 237. 9. 



Andrena (Andrena) marina Viereck, 1926. Calif. Acad. Sci., Proc. (4) 15: 405. S. 



Andrena ripariella Cockerell, 1936. Pan-Pacific Ent. 12: 148. 6. 



A7idre7ia (Thysandrena) crenata Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 221, 

 figs. 44, 51. 6. 



Taxonomy: Atwood, 1934. Canad. Jour. Res. 10: 207. 9 (key, as novaeangliae). — Lanham, 



1941. Ent. Soc. Amer., Ann. 34: 705. 9, 6 (key). — LaBerge and Kibble, 1975. Amer. Ent. 



Soc, Trans. 101: 380-386, figs. 2, 8-12 (redescription, synonymy). 

 nigrocaerulea Cockerell. B. C. to Calif., east to Wyo. and Colo. Parasite: Stylops pacifica 

 Bohart. Pollen: Polylectic, visits a wide variety of flowers including Allium, Arbutus 

 menziesii, Arctostaphylos nevadensis, Arenaria kingii, Barbarea orthoceras, B. vulgaris, 

 Berberis aquilifolium, Brassica, Cakile edentula califomica, Caiyptridium umbellatum, 

 Ceanothus integerrinuis, Cercocarpus betuloides, C hamaebatia foliolosa, Cryptantha 

 intermedia, Daucus carota, Descourainia sophia, Doronicum, Eriodictyon califomicum, 

 Eriogonum lobbii, E. marifolium, Erodium botrys. Erysimum asperum, Fragaria 

 califomica, Gilia capitata, G. niulticaulis, G. tricolor, Hackelia patens, Hesperochiron 

 californicus, Horkelia tillingi, Lappula, Linanthus androsaceus, L. parviflorus, 

 Lithophragma affinis, Lomatium dissectum, Lonicera, Lotus, Mertensia, Microseris 

 nutans, Mimulus guttatus, Montia perfoliata, M. sibirica, Nemophila integrifolia, N. 

 spatulata, Oenothera, Penstemon cyananthus, Phacelia humilis, P. linearis, P. pusilla, 

 P. tanacetifolia, Plectritis macrocera, Potentilla glandulosa, Prtmus virginiana, P. 

 subcordata, Pyracantha, Quercus agrifolia. Ranunculus californicus, Raphanus sativa, 

 Rhamnus californicus, R. crocea, Rubus, Salix, Sanicula nevadensis, Senecio canus, S. 

 integerrimus, Sisyrinchium bellum, Spraguea umbellata, Taraxacum officinale, T. 

 vulgare, Trifolium repens. 



Andrena nigrocaerulea Cockerell, 1897. Entomologist 30: 309. 9, d. 



A7idrena seattlensis Viereck, 1904. Canad. Ent. 36: 191, 195. 9,6. 



Andrena epileuca Cockerell, 1924. Pan-Pacific Ent. 1: 62. 9, 6. 



Andrena lustraiis Cockerell, 1924. Pan-Pacific Ent. 1: 63. 9. 



Taxonomy: Cockerell, 1932. Canad. Ent. 64: 286 (key). —Cockerell, 1932. Canad. Ent. 64: 286. 

 9 (variation, as lustrans). —Cockerell, 1932. Canad. Ent. 64: 286. 9 (key, as epileuca). 

 -LaBerge and Kibble, 1975. Amer. Ent. Soc, Trans. 101: 390-396, figs. 4, 13-17 

 (redescription, synonymy). 



Biology: Linsley and MacSwain, 1957. Calif. Univ. Pubs. Ent. 11: 399 (stylopization). 

 — Linsley and MacSwain, 1959. Calif. Univ. Pubs. Ent. 16: 19 (floral relationships, 

 stylopization). 

 penemisella LaBerge and Kibble. Calif, and Oreg. (Cayuse and The Dalles). Pollen: Unknown, 

 but visits flowers of Calandrinia, Cryptantha, Erodium, Montia perfoliata. 

 Andrena (Euandrena) penemisella LaBerge and Kibble, 1975. Amer. Ent. Soc, Trans. 101: 

 422. 9. 

 suavis Timberlake. Oreg. (Klamath Co.), Calif. Parasite: Nomada obliquella Timberlake, A^. 

 opacellus Timberlake, Stylops pacifica Bohart. Pollen: Oligolectic, apparently collects 



