Superfamily APOIDEA 1793 



parachalybea Viereck. South. Calif.; Mexico (Baja California). Pollen: Collects pollen from 

 Cainissonia including C. bistorta, C. campestris cavipestris, C. cheirantliifolia 

 suffruticosa, C. dentate, C. pallida pallida, but visits these and other flowers for nectar 

 including Agoseris heterophylla, Astragalus, Baccharis virninea, Ceanothus crassifolius, 

 Coreopsis bigelovii, C. califomica, Cryptantha intermedia, Descourainia sophia, 

 Erodium cicutarium, Haplopappus linearifolius, Eriophyllum confertiflornm, 

 Lasthenia, Layia glandulosa, L. platyglossa campestris, Lomatium dasycarpum, 

 Monolopia lanceolata, Plagiobothrys califomicus, Rhus trilobata, Salix laevigata, S. 

 lasiolepis, Sisymbrium irio, Tamarix. 

 Andrena (Parandrena) parachalybea Viereck, 1917. Amer. Ent. Soc, Trans. 43: 391. 9. 



Taxonomy: Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 61-63, figs. 1, 5-6, 56, map 1 

 (redescription). 



Biology: Linsley, MacSwain and Raven, 1964. Calif. Univ. Pubs. Ent. 33: 74-75 (floral 

 relationships). —Linsley, MacSwain, Raven and Thorp, 1973. Calif. Univ. Pubs. Ent. 71: 

 17-18, 48, fig. 6 (floral relationships). 



puthua (Cockerell). Calif.; Mexico (Baja California). Parasite: Stylops sp. Pollen: Collects pollen 

 from Lasthenia including L. aristata, L. chrysostoma, L. coronaria, L. debilis, L. 

 gracilis, L. minor, L. tenella, but visits these and other flowers for nectar including 

 Calandrinia ciliata, Chaenactis glabriuscula, Cryptayitha, Eschscholzia califomica, 

 Layia platyglossa, Rhamnus crocea. 



Diandrena puthua Cockerell, 1910. Ann. and Mag. Nat. Hist. (8) 5: 24. cJ (9 misdet.). 



Diandrena beatula Cockerell, 1916. Pomona Jour. Ent. Zool. 8: 48. 9. 



Diandrena clariventris Cockerell, 1916. Pomona Jour. Ent. Zool. 8: 50. 6. 



Diandrena sanctorum Cockerell, 1941. San Diego Soc. Nat. Hist., Trans. 9: 346. 9. 



Taxonomy: Timberlake, 1951. In Linsley hi Muesebeck, Krombein and Townes, U. S. Dept. 

 Agr., Agr. Monog. 2: 1078 (synonymy). —Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 74-78, 

 figs. 1, 15-16, 56, map 4 (redescription, synonymy). 



Biology: Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 34, 77 (floral relationships, parasite). 

 sperryi (Cockerell). Calif. Pollen: Collects pollen from the flowers of Caynissonia including C. 

 campestris, C. clavaeforrnis, C. pallida pallida, but visits these and other flowers for 

 nectar including Anisocoma acaulis. Coreopsis califomica, C. bigelovii, Malacothrix 

 glabrata. Predator: Lestomyia sp. 

 Diandrena sperryi Cockerell, 1937. Amer. Mus. Novitates 948: 14. 9. 



Taxonomy: Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 69-72, figs. 1, 11-12, 56, 72, map 3 

 (redescription). 



Biology: Linsley, MacSwain and Thorp, 1964. Calif. Univ. Pubs. Ent. 33: 74, table 3 (floral 

 relationships). —Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 33, 72 (floral relationships, 

 predator). —Linsley, MacSwain, Raven and Thorp, 1973. Calif. Univ. Pubs. Ent. 71: 20, 49, 

 fig. 8 (floral relationships). 

 subapasta Thorp. Calif. Pollen: Apparently collects pollen primarily from Arenaria califomica, 

 but visits other flowers including Lasthenia, Orthocarpus erianthus. 

 Andrena (Diandrena) subapasta Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 120, figs. 1, 53-54, 

 56, map 13. 9, cJ. 

 subchalybea Viereck. Calif.; Mexico (Baja California). Parasite: Dalmannia picta Will. Pollen: 

 Collects pollen primarily from ligulate Compositae, especially Agoseris heterophylla; 

 visits flowers of Am sinckia, Brassica, Camissonia campestris campestris. Coreopsis 

 califomica, Crepis vesicaria, Descourainia sophia, Erodium, Euphorbia albomarginata, 

 Haplopappus Linearifolius, Hesperochiron califomicus, Lasthenia chrysostoma, Layia 

 chrysanthemoides, Layia platyglossa, Limnanthes douglasii. Madia gracilis, 

 Malacothrix, Microseris douglasii, M. linearifolia, Mimulus, Monolopia lanceolata, 

 Phacelia ciliata, Platystemon califomicus. Ranunculus califomicus. Sisymbrium, 

 Sonchus oleraceus. 

 Andrena (Parandrena) subchalybea Viereck, 1916. Acad. Nat. Sci. Phila., Proc. 68: 593. 9. 



Taxonomy: Linsley and MacSwain, 1961. Pan-Pacific Ent. 37: 32 (tax. status). —Thorp, 1969. 

 Calif. Univ. Pubs. Ent. 52: 111-113, figs. 1, 45-46, 56, 67, 79, 83-84, map 12 (redescription). 



