1790 Hymenoptera in America North of Mexico 



flowers of Camissonia ovata, but visits other flowers for nectar including 

 Blennosperma bakeri, Brassica, Cryptantha, Ranunculus caUfomicus. 

 Panurgus chalybaeus Cresson, 1878. Amer. Ent. Soc, Trans. 7: 61. 9, 6. 



Taxonomy: Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 57-61, figs. 1, 3-4, 55-58, 69, 85-86, map 1 

 (redescription, post defecating larva). 



Biology: Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 5-14, 59, fig. 2 (nest architecture, floral 

 relationships, parasite). — Linsley, MacSwain, Raven and Thorp, 1973. Calif. Univ. Pubs. 

 Ent. 71: 15-17, 48, fig. 6, pi. 1 (nest, floral relationships, mating). 



chalybioides (Viereck). Wash., Oreg., Calif. Parasite: Myopa rubida (Bigot)? Pollen: Collects 

 pollen almost exclusively from ligulate Compositae in the early morning, primarily from 

 Agoseris including ^4. heterophylla, occasionally from introduced weedy species of 

 Cichorieae including Hypochoeris radicata, Taraxacum officinale, but also visits other 

 flowers for nectar including Blennosperma, Ceanothus, Convolvulus, Daucus, Lasthenia 

 chrysostoma, Layia platyglossa, Linum, Ranunculus orthorhynchus. 



Parandrena chalybioides Viereck, 1904. Canad. Ent. 36: 229. 9,6. 



Andrena {Parandrena) perchalybea Viereck, 1916. Acad. Nat. Sci. Phila., Proc. 68: 591. 9. 



Diandrena purdyi Cockerell, 1936. Pan-Pacific Ent. 12: 155. 6. 



Taxonomy: Linsley and MacSwain, 1961. Pan-Pacific Ent. 37: 31, 33 (synonymy). —Thorp, 

 1969. Calif. Univ. Pubs. Ent. 52: 83-85, figs. 1, 21-22, 56 (redescription). 



Biology: MacSwain and Bohart, 1947. Pan-Pacific Ent. 23: 30 (parasite). —Thorp, 1969. Calif. 

 Univ. Pubs. Ent. 52: 34, 85 (floral relationships, parasite). 

 chlorosoma Linsley and MacSwain. Calif. (Central Coast Ranges, from Mendocino County to 

 Ventura County). Pollen: Collects pollen from early morning opening ligulate 

 Compositae including Agoseris grandiflora, A. heterophylla as well as from introduced 

 weedy species of Cichorieae including Hypochoens radicata, but visits these and other 

 flowers for nectar including Camissoyiia ovata, Hemizonia, Lasthenia chrysostoma, 

 Layia chrysanthemoides. Ranunculus californicus. Taraxacum officinale. 

 Andrena {Diandrena) subchalybea chlorosoma Linsley and MacSwain, 1961. Pan-Pacific 

 Ent. 37:32. 9,i. 



Taxonomy: Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 107-111, figs. 1, 41-44, 56 (redescription). 



Biology: Linsley and MacSwain, 1959. Calif. Univ. Pubs. Ent. 16: 18, 30, 31 (floral 

 relationships, as purdyi). —Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 110, 111 (floral 

 relationships). 

 cuneilabris Viereck. Oreg., Calif. Parasite: Myopa perplexa Camras, M. rubida (Bigot), Stylops 

 pacifica Bohart? Pollen: Collects pollen and nectar chiefly from Ranunculus including 

 R. californicus, R. occidentalis, R. orthorhynchus, occasionally collects pollen from 

 Platyglossa californicus during periods when Ranunculus pollen is scarce or absent; 

 visits other flowers for nectar including Amsinckia, Agoseris grandiflora, A. 

 heterophylla, Blennosperma bakeri, Brassica, Calandrinia ciliata, Camissonia ovata, C. 

 tanacetifolia, Geum macrophyllum, Lasthenia, Lomatium, Wyethia. 

 Andrena {Parandrena) cuneilabris Viereck, 1926. Calif. Acad. Sci., Proc. (4) 15: 400. 9. 



Taxonomy: Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 64-67, figs. 1, 7-8, 56, 59, 70, 81-82, map 2 

 (redescription). 



Biology: MacSwain and Bohart, 1946. Pan-Pacific Ent. 23: 30 (parasite). —Camras and Hurd, 



1957. Calif. Ins. Survey, Bui. 6: 39 (parasite). —Linsley and MacSwain, 1959. Calif. Univ. 



Pubs. Ent. 16: 2-31, figs. 4, 6 (floral relationships, parasites). —Thorp, 1969. Calif. Univ. 



Pubs. Ent. 52: 34, 66-67 (floral relationships, parasites). 

 cyanosoma (Cockerell). Calif.; Mexico (Baja California). Pollen: Collects pollen exclusively 



from the flowers of Camissonia including C. bistorta, C. campestris, C. cheiranthifolia 

 suffruticosa, C. dentata, C. sierrae sierrae, C. spiralis, but visits these and other flowers 

 for nectar including Cryptantha intermedia, Lasthenia aristata, L. coronaria, Rhus 

 trilobata, Salix. 



Diandrena cyanosoma Cockerell, 1916. Pomona Jour. Ent. Zool. 8: 49. 9, 6. 



