Superfamily APOIDEA 1911 



semicrocea Cockerell. N. Mex. (Dona Ana, Otero and San Miguel Counties), Ariz. (Willcox). 



Pollen: Unknown, but visits flowers of Aster, Bahia ahsinthifolia, Giitierrezia sarothrae, 

 Haplopappus, Solidago. 

 Perdita semicrocea Cockerell, 1895. Acad. Nat. Sci. Phila., Proc. 47: 13. 9. 



Taxonomy: Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 4, 9, 35-36, figs. 761, 762, 859. 9, S 

 (key, redescription, geogr. and floral records). —Timberlake, 1968. Calif. Univ. Pubs. Ent. 

 49: 96, 101 (key, geogr. and floral record). 

 semilutea Timberlake. Calif. (Box Canyon in Riverside County). Pollen: Unknown, but. visits 

 flowers oi Eriogonum thomasii. 

 Perdita semilutea Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 81, figs. 819, 820, 888. 6. 

 snellingi Timberlake. South. Calif. (Kern and Inyo Counties). Pollen: Presumably an oligolege 

 of vernal and autumnal flowering Compositae, visits flowers of Chrysothamnus 

 nauseosus co7isi7nilis, Cleome, Eriogonum heerniannii, Euphorbia albomarginata, 

 Gutierrezia lucida, G. microcephala, Rosa califortiica, Solidago spectabilis. 

 Perdita snellingi Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 46, figs. 781, 782, 869. 9, <J. 



Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 106-107 (tax. characters, geogr. and 

 floral records). 



sodalis Timberlake. South. Calif. (Santa Rosa Mts.). Pollen: Unknown, but visits flowers of 

 Hyptis emoryi. 

 Perdita sodalis Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 101, figs. 1255, 1256, 1331. 6. 

 stabilis Timberlake. Ariz. (Douglas). 



Perdita stabilis Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 102, figs. 1257, 1258, 1332. 6. 

 subfasciata Cockerell. N. Mex. Ariz., Utah (Juab County), Nev. (White Pine County), Calif. 

 (Inyo County Mts.). Pollen: Apparently an oligolege of vernal and autumnal flowering 

 Compositae, visits flowers of Chrysothamnus nauseosus, C. viscidiflorus, Gutierrezia 

 lucida, G. microcephala. 

 Perdita subfasciata Cockerell, 1897. Ann. and Mag. Nat. Hist. (6) 20: 512. 9. 



Taxonomy: Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 4, 11, 45-46, figs. 779, 780, 868. 9, 6 

 (key, redescription, geogr. and floral records). —Timberlake, 1968. Calif. Univ. Pubs. Ent. 

 49: 107 (geogr. and floral records). 

 thertnophila thermophila Timberlake. South. Calif. (Colorado and Mojave Deserts). Pollen: 

 Possibly an oligolege of Eriogonum, visits flowers of E. deserticola, E. hirtella, E. 

 inflatum, E. renifonne, E. thomasii. 

 Perdita thertnophila thermophila Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 77, figs. 

 815,816,886. 9,6. 

 thermophila trilobata Timberlake. Ariz., south. Calif. (Mojave Desert). Pollen: Possibly an 



oligolege of Eriogonum, visits flowers of Baileya, Eriogonum deflexuyn, E. densum, E. 

 deserticola, E. trichopes. 

 Perdita thertuophila trilobata Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 78. 9, d. 

 timberlakei Cockerell. South. Calif, (cismontane and adjacent desert areas). Pollen: Evidently 

 depends mostly upon the pollen and nectar of Eriogonum gracile, but also visits flowers 

 of Brassica, Eriogonum fasciculatum, E. mohavense, E. virgatuni. 

 Perdita timberlakei Cockerell, 1925. Calif. Acad. Sci., Proc. (4) 14: 194. 9, <J. 



Taxonomy: Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 6, 13, 70-71, figs. 807, 808, 882. 9, 6 

 (key, redescription, geogr. and floral records). 

 varleyi niveipennis Timberlake. Calif. (San Benito County). Pollen: Apparently an oligolege of 

 Eriogonum including E. inflatum. 

 Perdita varleyi niveipennis Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 86. 9, 6. 

 varleyi varleyi Timberlake. South. Calif. (Mojave Desert, western margin). Pollen: Apparently 

 an oligolege of Eriogonum, visits flowers of E . fasciculatum var. polifolium, E. 

 inflatum. 

 Perdita varleyi varleyi Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 85, figs. 825, 826, 891, 

 904. 6,9. 



