Superfamily APOIDEA 1881 



Taxonomy: Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 347, 366 (key to included spp.). 



— Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 126 (modified key to included spp.). 



—Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 10-11 (key to females of included spp.). 



arenaria Timberlake. Ariz. (Yuma), Nev. (Washoe County), south. Calif. (Colorado Desert). 



Pollen: Apparently an oligolege of Coldenia including C. nuttallii, C. palmeri. 



Perdita arenaria Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 368, figs. 39, 40, 135. 6, 9. 



Taxonomy: Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 126 (key). -Timberlake, 1968. Calif. 

 Univ. Pubs. Ent. 49: 11, 13 (key, geogr. and floral records). 

 bellula Timberlake. South. Calif. (Colorado Desert). Pollen: Apparently an oligolege of 

 Coldenia including C. palmeri, C. plicata. 

 Perdita bellula Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 369, figs. 41, 42, 136. 3,9. 



Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 11 (key). 

 coldeniae Timberlake. South. Calif. (Colorado Desert). Pollen: Apparently an oligolege of 

 Coldenia including C. palmeri, but visits flowers of Pedis papposa presumably for 



Perdita coldeniae Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 368, figs. 37, 38, 134. 6,9. 



Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 11 (key). 

 frontalis Timberlake. South. Calif. (Colorado Desert). Pollen: Apparently an oligolege of 



Coldenia including C. plicata, but visits flowers of Eriogonum deserticola presumably 

 for nectar. 

 Perdita frontalis Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 12. 9. 

 maculosa Timberlake. South. Calif. (Colorado Desert). Pollen: Apparently an oligolege of 

 Coldenia including C. plicata. 

 Perdita macidosa Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 378, fig. 514. 9,6. 



Taxonomy: Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 126 (key). -Timberlake, 1968. Calif. 

 Univ. Pubs. Ent. 49: 11 (key). 

 optiva Timberlake. South. Calif. (Colorado Desert). Pollen: Apparently an oligolege of Coldenia 

 including C. palmeri. 

 Perdita optiva Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 371, figs. 47, 48, 139. 6 (9 

 misdet.). 

 Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 13. 6 (tax. status, as sexfasciata). 

 rhodogastra Timberlake. South. Calif. (Colorado Desert). Pollen: Apparently collects pollen 



from the flowers of Coldenia palmeri and Heliotropium oculatum, but visits these and 

 other flowers for nectar including Pedis papposa, Phichea sericea. 

 Perdita rhodogastra Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 367, figs. 35, 36, 133. 9, 

 6. 

 Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 11 (key). 

 scutellaris Timberlake. Southern Calif. (Colorado Desert). Pollen: Apparently an oligolege of 

 Coldenia including C. plicata, but visits the flowers of Eriogonum deserticola 

 presumably for nectar. 

 Perdita scutellaris Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 89, figs. 829, 830, 893, text 

 fig. B. 9,cJ. 

 Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 11 (key). 

 sexfasciata Timberlake. Ariz. (Yuma County), south. Calif. (Riverside and San Bernardino 

 Counties). Pollen: Apparently an oligolege of Coldenia including C. palmeri, but visits 

 these and other flowers for nectar including Cryptantha, Nama. 

 Perdita sexfasciata Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 370, figs. 43, 44, 137. 6. 



Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 11, 13. 9 (key). 

 trifasciata Timberlake. Tex. (Dryden), N. Mex. (White Sands); Mexico (Coahuila). 

 Perdita trifasciata Timberlake, 1953. Kans. Univ. Sci. Bui. 35: 969. 6. 



Taxonomy: Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 366, 370, figs. 45, 46, 138. 9. 

 -Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 11, 14 (key). 



