Superfamily APOIDEA 1923 



sidae Cockerell. N. Mex. (Mesilla); Mexico (Durango). Pollen: Unknown, but visits flowers of 

 Sida hederacea. 

 Perdita sidae Cockerell, 1897. Acad. Nat. Sci. Phila., Proc. 49: 353. 9,6. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 128, 132, 148, 263-264, figs. 51, 1025, 

 1026, 1156. 6 (key, redescription). —Timberlake, 1971. Calif. Univ. Pubs. Ent. 66: 50. 9 

 (redescription, geogr. record). 

 sonorensis Cockerell. Ariz. (Yuma County), south. Calif. (Colorado and Mojave Deserts); 



Mexico (Baja California and Sonora). Pollen: Oligolege o{ Prosopis including P.juliflora, 

 P. pubescens, but also visits flowers of Encelia farinosa, Eucnide urens, Heliotropium 

 curassavicuin, Melilotus, PeucephyUum schottii, Pluchea sericea. 

 Perdita sonorensis Cockerell, 1899. Ann. and Mag. Nat. Hist. (7) 3: 493. 9 . 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 136, 138, 152, 272-274, figs. 55, 1037, 

 1038, 1162. 9, 6 (key, redescription, geogr. and floral records). 

 speciosa Timberlake. Ariz. (Coconino County). Pollen: Unknown, but visits flowers of 

 Wislizeyiia refracta. 

 Perdita speciosa Timberlake, 1971. Calif. Univ. Pubs. Ent. 66: 51, figs. 1391, 1392, 1414. 6. 

 sphaeralceae alticola Cockerell. N. Mex., Ariz. (Cochise and Coconino Counties). Pollen: 



Possibly an oligolege of Spliaeralcea, visits flowers of S. lobata, but also visits flowers 

 of Heterotheca subaxillaris. 

 Perdita sphaeralceae race alticola Cockerell, 1896. Acad. Nat. Sci. Phila., Proc. 48: 68. 9, 



Perdita sphaeralceae race alticola mut. suffiisa Cockerell, 1896. Acad. Nat. Sci. Phila., 

 Proc. 48: 68. 6 . 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 154, 178-179, fig. 11. 9,6 (key, 



geogr. and floral records). 

 sphaeralceae sphaeralceae Cockerell. Tex. (Hudspeth County), N. Mex. (Dona Ana and Luna 

 Counties); Mexico (Chihuahua, San Luis Potosi and Zacatecas). Pollen: Possibly an 

 oligolege o{ Spliaeralcea including S. angiistifolia, but visits other flowers including 

 Cologania, Gutieii-ezia lucida, Haplopappus heterophyllus, Mentzelia, Solidago 

 canadensis. 



Perdita sphaeralceae Cockerell, 1896. Acad. Nat. Sci. Phila., Proc. 48: 66. 9, cJ. 



Perdita pellucida Cockerell, 1896. Acad. Nat. Sci. Phila., Proc. 48: 88. 6. 



Perdita sphaeralceae var. ridens Cockerell, 1922. Ann. and Mag. Nat. Hist. (9) 10: 547. 6. 



Taxonomy: Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 121 (tax. status, as pellucida). 

 -Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 127, 154, 176-178. 9, 6 (key, redescription, 

 synonymy, geogr. and floral records). 

 stathamae eluta Timberlake. Ariz. (Salt River Mts.). 



Perdita stathamae eliita Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 358. 9,6. 

 stathamae stathamae Timberlake. N. Mex. (Alamogordo), Ariz. (Chihuahua and Sonora 



Deserts), south. Calif. (Colorado Desert); Mexico (Baja California and Sonora). Pollen: 

 Unknown, but visits flowers of Acacia greggii, Prosopis jtiliflora. 

 Perdita stathamae stathamae Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 365, figs. 1091, 

 1092, 1189. 9,6. 

 stenopyga Timberlake. Calif. (Inyo County). Pollen: Unknown, but visits flowers of 

 Chaenactis, Mentzelia affinis. 

 Perdita stenopyga Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 229, figs. 38, 989, 990, 1138. 



9, 6. 

 sternalis Timberlake. South. Tex. (Cameron and Galveston Counties). Pollen: Unknown, but 

 visits flowers of Coreopsis douglasii, Heliotropium, Rubus. 

 Perdita stemalis Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 291, figs. 1055, 1056, 1171. 

 9, 6. 

 sulphuripes Timberlake. Calif, (near Palm Springs, also Slate Mts., Inyo County). Pollen: 

 Unknown, but visits flowers of Malacothrix. 

 Perdita sulphuripes Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 267, figs. 1031, 1032, 

 1159. 6. 



