Superfamily APOIDEA 1917 



flavipes Timberlake. South. Calif. (Colorado and Mojave Deserts); Mexico (Baja California). 

 Pollen: Apparently an oligolege of Larrea tridentata, but visits other flowers including 

 Heliotropium cumssavicum, Prosopis juliflora. 

 Perdita flavipes Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 259, figs. 50, 1023, 1024, 1155. 



6, 9. 



Biology: Hurd and Linsley, 1975. Smithsn. Contrib. Zool. 193: 24 (floral relationships). 

 florissantella Cockerell. Colo., N. Mex. (Taos County). Pollen: Collects pollen from the flowers 

 of Lepidium jonesi, but visits other flowers presumably for nectar including 

 Chenopodinm albu7n, Eriogoimm umbellatum, Phacelia. 

 Perdita florissantella Cockerell, 1906. Amer. Mus. Nat. Hist., Bui. 22: 440. 6,9. 

 Perdita lepidii Cockerell, 1907. Entomologist 40: 266. 9. 

 Perdita opacifrons Timberlake, 1929. N. Y. Ent. Soc, Jour. 37: 113. i. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 137, 151, 242-244, figs. 44, 1003, 

 1004, 1145. 9, 6 (key, redescription, synonymy, geogr. and floral records). —Timberlake, 

 1968. Calif. Univ. Pubs. Ent. 49: 139 (key). 

 foxi Cockerell. N. Mex. (Santa Fe). 



Perdita foxi Cockerell, 1895. Acad. Nat. Sci. Phila., Proc. 47: 18. 6. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 152, 317. 6 (key, redescription). 

 gemella Timberlake. Calif. (Apple Valley and Deep Creek on Mojave Desert). Pollen: 

 Unknown, but visits flowers oi Eriodictyon trichocalyx. 

 Perdita gemella Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 200, figs. 949, 950, 1118. 6. 

 geminata Timberlake. N. Mex. (Otero County). Pollen: Unknown, but visits flowers of Larrea 

 tridentata. 

 Perdita geminata Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 251, figs. 1015, 1016, 1151. 

 9, 6. 

 genalis genalis Timberlake. South. Calif. (Colorado and Mojave Deserts). Pollen: Unknown, 

 but visits flowers of Acacia greggii, Cercidium floridum, Larrea tridentata, Prosopis 

 juliflora. 

 Perdita genalis genalis Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 359, figs. 76, 1093, 

 1094, 1190. 9,6. 

 genalis panamintensis Timberlake. Calif. (Panamint Mts.). Pollen: Unknown, but visits flowers 

 of Larrea tridentata, Prosopis juliflora, Stanleya pinnata. 

 Perdita genalis panamintensis Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 360. 9, cJ. 

 gracilis Timberlake. Calif. (Lone Pine). Pollen: Unknown, but visits flowers of Malacothrix. 



Perdita gracilis Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 309. 9. 

 greggiae Timberlake. Tex. (Reeves County), N. Mex. (Eddy County). Pollen: Unknown, but 

 visits flowers of Lepidium montanum, Lesquerella gordonii, Nerisyi-enia campoi^utn. 

 Perdita greggiae Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 142, figs. 1293, 1294, 1350. 9, 

 6. 

 heliotropii heliotropii Cockerell. Tex. (El Paso) west to south. Calif. (Colorado and Mojave 

 Deserts), Nev. (Lyon County), Utah (St. George).; Mexico (Baja California, Sonora, 

 Chihuahua). Pollen: Collects pollen from the flowers of Heliotropium including H. 

 curassavicuni, but visits these and other flowers for nectar including Larrea tridentata, 

 Salix, Tamarix. 

 Perdita heliotropii Cockerell, 1900. Entomologist 33: 63. 9,6. 



Taxonomy: Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 309, 314, 364-365, figs. 442, 443, 505, 

 521. 9, 6 (key, tax. characters, tax. status, geogr. and floral records). —Timberlake, 1964. 

 Calif. Univ. Pubs. Ent. 28: 139, 262 (key, tax. characters). —Timberlake, 1968. Calif. Univ. 

 Pubs. Ent. 49: 116, 148 (key, tax. characters, geogr. record). 

 heliotropii perducta Timberlake. Central CaHf. Pollen: Collects pollen from the flowers of 



Heliotropium curassavicuni, but also visits flowers of Stanleya pinnata presumably for 

 nectar. 

 Perdita heliotropii perducta Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 365. 9,6. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 139, 262 (key, geogr. and floral 

 record). 



