SuperfamUy APOIDEA 1921 



punctosignata flava Timberlake. Tex. west, to Ariz.; Mexico (Baja California, Chihuahua, 

 Coahuila, Sonora and Sinaloa). Pollen: Apparently an oligolege of Prosopis, but also 

 visits other flowers presumably for nectar including Gutierrezia, Medicago, Sapiyidus 

 saponaria. 



Perdita punctosigyiata flava Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 354. 9, 6. 

 punctosignata punctosignata Cockerell. N. Mex. (Dona Ana and Otero Counties), Ariz., Calif. 

 (Colorado Desert); Mexico (Baja California and Sonora). Pollen: Apparently an oligolege 

 of Prosopis. 



Perdita punctosignata Cockerell, 1895. Psyche 7 (supp.): 6. S. 



Perdita howardi Cockerell, 1899. Ann. and Mag. Nat. Hist. (7) 3: 492. 9, cJ. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 142, 157, 351-353, figs. 75, 1087, 

 1088, 1187. 9, 6 (key, redescription, synonymy, geogr. and floral records). 

 punctosignata sulphurea Timberlake. Ariz., south. Calif. (Colorado and Mojave Deserts, also 

 San Benito County), Nev. (Clark County), Utah (Washington County); Mexico (Baja 

 California). Pollen: Apparently an oligolege of Prosopis, but also visits other flowers 

 presumably for nectar including Acacia greggii, Cercidium floridum, Larrea tridentata, 

 Melilotus. 

 Perdita punctosignata sulphurea Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 353. 9,6. 

 punctulata Timberlake. South. Calif. (Colorado and Mojave Deserts), Ariz. (Yuma); Mexico 



(Baja California and Sonora). Pollen: OUgolege of Larrea tridentata, but also visits other 

 flowers for nectar including Bacckaris emoryi, C ercidium floridum, Lasthenia 

 chrysostoma, Melilotus, Prosopis juliflora. 

 Perdita punctulata Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 362, figs. 440, 441, 504. 6, 

 9. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 139, 262 (key). 



Biology: Hurd and Linsley, 1975. Calif. Univ. Pubs. Ent. 193: 24-25, fig. 6 (floral 

 relationships). 

 pusilla Timberlake. South. Calif, (western margin of Mojave Desert). 



Perdita pusilla Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 257, figs. 1021, 1022, 1154. 9, 

 6. 

 quadraticeps Timberlake. Ariz. (Patagonia). 



Perdita quadraticeps Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 213, figs. 29, 969, 970, 

 1128. 6. 

 replicans Timberlake. Calif. (San Luis Obispo County). 



Perdita replicans Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 149, fig. 29. 9. 

 richardsi Timberlake. California (Apple Valley in the Mojave Desert). 



Perdita richardsi Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 227. 6. 

 salicis coloradana Timberlake. Colo. (Delta and Garfield Counties). 



Perdita salicis coloradana Timberlake, 1929. N. Y. Ent. Soc, Jour. 37: 111. 9. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 340, 341. 9 (key, redescription, 

 geogr. records). 

 salicis euxantha Timberlake. Idaho (Idaho and Nez Perce Counties), Oreg. (near Corvallis). 



Perdita salicis euxantha Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 349. 9,6. 

 salicis hirsutior Timberlake. Calif. (Olancha). Pollen: Presumably an oligolege of Salix, visits 

 the flowers of S. exigua. 

 Perdita salicis hirsutior Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 346. 9, <J. 

 salicis imperialis Cockerell. Wash. (Asotin, Spokane, WaUa Walla and Whitman Counties), 

 Idaho (Blaine, Canyon, Nez Perce and Twin Falls Counties), Oreg. (Umatilla and 

 Walloun Counties), Utah (Cache, Iron, Juab and Washington Counties), south. Calif. 

 (Colorado and Mojave Deserts), Ariz. (Maricopa and Pima Counties), Colo. (Archuleta 

 County). Pollen: Presumably an oligolege of Salix, including S. gooddingii, but visits 

 other flowers apparently for nectar including Acacia greggii. Asparagus, Daucus carota, 

 Prosopis, Sisymbrium. 

 Perdita exclamans imperialis Cockerell, 1925. Calif. Acad. Sci., Proc. (4) 14: 193. 9 . 



