Superfamily APOIDEA 1937 



pulchricornis (Cockerell). N. Mex., Ariz. Pollen: Oligolege oi Lesquerella, including L. gordonii. 

 Halictoides pulchricornis Cockerell, 1916. Ent. News 27: 63. 6, 9. 



Biology: Torchio, Rozen, Bohart and Favreau, 1967. N. Y. Ent. Soc, Jour. 75: 142-143 (nest 

 architecture, provisioning, development, adult activity). 

 rhamni (Michener). South. Calif. Pollen: Unknown, but visits flowers of Cajiiissonia bistorta, 

 Cryptontha intermedia, Dendromecon rigida, Eschscholzia califomica, Rhamnus, 

 Plagiobothrys. 

 Halictoides rhamni Michener, 1937. Ann. and Mag. Nat. Hist. (10) 19: 394. 6, 9. 

 sandhouseae arida Bohart. South. Calif. Pollen: Unknown, but visits flowers of Phacelia. 

 Dufourea sandhouseae arida Bohart, 1949. Ent. Soc. Amer., Ann. 42: 61. S, 9. 



sandhouseae sandhouseae (Michener). Calif.; Mexico (Baja California). Pollen: Unknown, but 

 visits a wide variety of flowers including Arenaria douglasii, Agoseris heterophylla, 

 Calandrinia menziesii, Camissonia bistorta, C. cheiranthifolia, C. clavaefomiis 

 aura^itiaca, C. parishii, Chaenactis, Coreopsis califomica, Cryptantha intermedia. 

 Convolvulus occidentalis, Dendromecon rigida, Encelia farinosa, Erodium botrys, 

 Eschscholzia califomica, Gilia niulticaulis, G. tricolor, Hesperochiron califomicus, 

 Lasthenia chrysostoma, Layia elegans, L. platyglossa, Lessiiigia, Linanthus aureus, 

 Lomatium, Malacothrix califomica, Nemophila menziesii, Phacelia, Primus andersonii. 

 Salvia colu7nbariae, Sisy^nbrium irio, Stenotopsis linearifolius. 



Halictoides sandhouseae Michener, 1937. Ann. and Mag. Nat. Hist. (10) 19: 328. 6, 9. 

 saundersi (Cockerell). Calif. (Central Valley). Pollen: Unknown, but visits flowers of 

 Camissonia campestris. 



Halictoides saundersi Cockerell, 1898. Amer. Ent. Soc, Trans. 25: 189. 9,6. 

 scabricornis Bohart. Calif., Oreg., Utah. Pollen: Unknown, but visits flowers of Gayophytuni, 

 Symphoricarpos. Predator: Philanthus pacificus arizonae Dunning, P. pulcher Dalla 

 Torre. 



Dufourea scabricornis Bohart, 1949. Ent. Soc. Amer., Ann. 42: 57. 6, 9. 

 scintilla (Cockerell). South. Calif. Pollen: Presumably an oligolege of Cam issoiiia including C. 

 bistorta, C. campestris, C. cheiranthifolia, C. contorta, C. dentata, C. micrantha, C. 

 pallida hallii, C. sierrae, C. veitchiana, but also visits flowers of Clarkia, Cryptantha 

 intermedia, C. muricata. Coreopsis califomica, Eschscholzia califomica. Euphorbia 

 albomarginata, Phacelia douglasii, Plagiobothrys, Trifolium variegatum. 



Diandrena scintilla Cockerell, 1916. Pomona Jour. Ent. Zool. 8: 50. 9. 



Halictoides eschscholtziae Michener, 1937. Ann. and Mag. Nat. Hist. (10) 19: 393. cJ, 9. 



Biology: Linsley, MacSwain, Raven and Thorp, 1973. Calif. Univ. Pubs. Ent. 71: 41-42 (floral 

 relationships). 

 spilura (Cockerell). Calif. Pollen: Unknown, but visits flowers of Eriogonum nudum, 

 Gayophytum, Oenothera. 

 Halictoides spiturus Cockerell, 1925. Calif. Acad. Sci., Proc. (4) 14: 200. 9. 

 spinifera (Viereck). Calif., Nev. Pollen: Unknown, but visits flowers of Areyiaria kingii, 

 Sidalcea apicata, Trifolium monanthum. 

 Cryptohalictoides spiniferus Viereck, 1904. Ent. News 15: 261. 6. 



Taxonomy: Cockerell, 1925. Calif. Acad. Sci., Proc. (4) 14: 199. 6,9. -Michener, 1937. Ann. 

 and Mag. Nat. Hist. (10) 19: 402. 9. 

 subdavirfsoni Bohart. Calif. Pollen: Unknown, but visits flowers of Gayophytum diffusutn. 



Dufourea snbdavidsoni Bohart, 1949. Ent. Soc. Amer., Ann. 42: 55. 6, 9. 

 tarsata Bohart. Calif. Pollen: Unknown, but visits flowers of Cryptantha, Gilia, Linanthus 

 parviflorus, Lupinus, Nemophila. 

 Dufourea tarsata Bohart, 1947. Ent. Soc. Amer., Ann. 40: 698. 6, 9. 



timberlakei Bohart. Calif. (Mt. Pinos). 



Dufourea timberlakei Bohart, 1947. Ent. Soc. Amer., Ann. 40: 700. 6. 



tinsleyi (Cockerell). N. Mex. 



Halictoides tinsleyi Cockerell, 1898. Canad. Ent. 30: 52. 9. 



