Superfamily APOIDEA 1913 



ambigua Timberlake. Nev. (Lander and Washoe Counties), Calif. (Siskiyou County). Pollen: 

 Unknown, but visits flowers of Chrysotlmmyius nanseosus var. consiniilis, Cirshirn 

 lanceolatian. 

 Perdita ambigua Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 311. 9. 



Taxonomy: Timberlake, 1971. Calif. Univ. Pubs. Ent. 66: 54-55. 6 (geogr. and floral records). 

 amicula Timberlake. Ariz. (Willcox). Pollen: Unknown, but visits flowers of Aplopappus 

 liartwegi. 

 Perdita amicula Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 295. 9. 

 ancoralis Timberlake. South. Calif. (Boyd Desert Research Center). 



Perdita ancoralis Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 155. 9. 

 ashmeadi ashmeadi Cockerell. Tex. (Brownsville); Mexico (Sonora). Pollen: Unknown, but 

 visits flowers of Prosopis. 

 Perdita ashmeadi Cockerell, 1899. Ann. and Mag. Nat. Hist. (7) 8: 492. 9. 

 Perdita exclamans atramentata Cockerell, 1923. Calif. Acad. Sci., Proc. (4) 12: 96. 6. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 141, 158, 324-325, figs. 1069, 1070, 

 1178. 9, 6 (key, redescription, synonymy, geogr. and floral records). 

 ashmeadi simulans Timberlake. South. Calif. (Colorado Desert), ?Ariz. (Sentinel); Mexico 

 (Baja California). Pollen: Unknown, but visits flowers of Geraea canescens, Larrea 

 tridentata, Prosopis jiiliflora. 

 Perdita ashmeadi simulans Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 326, figs. 1071, 

 1072, 1179. 6. 

 ashmeadi vierecki Cockerell. West. Tex., N. Mex. (Alamogordo), Ariz. Pollen: Unknown, but 

 visits flowers of Mimosa, Prosopis. 

 Perdita Vierecki Cockerell, 1907. Ann. and Mag. Nat. Hist. (7) 20: 129. 9, d. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 141, 158, 325-326. 9, S (key, 

 redescription, tax. status, geogr. and floral records). 

 assimilis Timberlake. Calif. (Fresno County). Pollen: Unknown, but visits flowers of Melilotus. 



Perdita assimilis Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 228, figs. 37, 987, 988, 1137. 

 9, 6. 

 atrata Timberlake. Calif. (Colorado and Mojave Deserts). Pollen: Unknown, but visits flowers 

 of Camissonia brevipes, C. dentata var. parishii, Chaenactis stevioides, Mentzelia 

 affinis, M. albicaiilis, M. veatchiana, Sphaeralcea ambigua. 

 Perdita atrata Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 163, figs. 3, 911, 912, 1009. 9, 

 6. 

 barri Timberlake. Idaho (Midvale). Pollen: Unknown, but visits flowers of Phacelia. 



Perdita barri Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 251, figs. 1013, 1014, 1150. 6. 

 blanda Timberlake. N. Mex. (Albuquerque). 



Perdita blayida Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 358. 9. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 137, 262 (key, tax. status). 

 calloleuca calloleuca Cockerell. N. Mex., Colo., Utah, Ariz. Pollen: Unknown, but visits 



flowers of Artemisia filifolia, Chrysothamnus, Cleome lutea, Eriogonum, Salsola kali, 

 Tamarix, Trifolium, Wislizenia refracta. 

 Perdita calloleuca Cockerell, 1922. Amer. Mus. Novitates 33: 12. 6. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 140, 154, 298-300, figs. 63, 1059, 

 1060, 1173. 9, 6 (key, redescription, geogr. and floral records). —Timberlake, 1966. Calif. 

 Univ. Pubs. Ent. 66: 43 (geogr. and floral records). 

 calloleuca convergens Timberlake. N. Mex. (Virden), Ariz. (Graham and Yuma Counties), Nev. 

 (Clark County). Pollen: Unknown, but visits flowers of Atriplex canescens, 

 Chenopodium ohlongifolium, Euphorbia, Suaeda, Wislizenia refracta. 

 Perdita calloleuca convergens Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 300. 9,6. 

 chihuahua Timberlake. N. Mex. (Rodeo); Mexico (Chihuahua and Zacatecas). 



Perdita chihuahua Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 203, figs. 955, 956, 1121. 

 9,6. 



