1882 Hymenoptera in America North of Mexico 



vesca Timberlake. Nevada (Wadsworth). Pollen: Possibly an oligolege of Coldenia, visits 

 flowers of C. nuttallii. 

 Perdita vesca Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 11, figs. 1199, 1200, 1303. 9,6. 

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

 C oldcttid j)lic(xtci. 

 Perdita wasbaueri Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 126, figs. 656, 657, 730. 9, 

 6. 



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



Genus PERDITA Subgenus HEXAPERDITA Timberlake 



Perdita subg. Hexaperdita Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 416. 

 Type-species: Perdita ignota Cockerell. Orig. desig. 



These bees are exclusively oligoleges of the family Compositae. 



Taxonomy: Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 348 (key). —Timberlake, 1956. Calif. 

 Univ. Pubs. Ent. 11: 247-252 (key to included spp.). 

 agasta Timberlake. Tex. (Hidalgo Co.). 



Perdita agasta Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 389. 9 . 

 alexi Timberlake. Tex. (College Station), Kans. (Barber County). Pollen: Unknown, but visits 

 flowers of Helianthus petiolaris, Heterotheca subaxillaris. 

 Perdita alexi Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 26. 9 . 



asteris Cockerell. West. Tex., N. Mex., Ariz. Pollen: Unknown, but visits flowers of 



Aplopappus, Aster canescens, Chrysopsis, Heterotheca subaxillaris, Nolina microcarpa, 

 Verbesina encelioides. 



Perdita asteris Cockerell, 1896. Acad. Nat. Sci. Phila., Proc. 48: 93. 9 . 



Perdita vespertilio Cockerell, 1896. Acad. Nat. Sci. PhDa., Proc. 48: 95. 6. 



Perdita crassiceps Cockerell, 1896. Acad. Nat. Sci. Phila., Proc. 48: 97. S. 



Perdita vagans Cockerell, 1896. Acad. Nat. Sci. PhDa., Proc. 48: 101. 3. 



Perdita mellina Cockerell, 1900. Entomologist 33: 62. 6. 



Taxonomy: Cockerell, 1906. Entomologist 39: 148. 9 (as vespertilio). —Timberlake, 1956. 

 Calif. Univ. Pubs. Ent. 11: 249, 258 (key, tax. characters, geogr. and floral records). 

 —Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 389-390 (tax. characters, geogr. and floral 

 records). —Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 27 (synonymy, geogr. and floral 

 records). 

 bebbiae Timberlake. Calif. (San Diego County). Pollen: Unknown, but visits flowers of Bebbia 

 juncea. 

 Perdita bebbiae Timberlake, 1956. Calif. Univ. Pubs. Ent. 11: 255, figs. 179, 180, 292. 9,6. 



bishoppi bishoppi Cockerell. N. C. to Fla., west to Tex. Pollen: Unknown, but visits flowers of 

 Heterotheca latifolia, H. subaxillaris, Isopappus divaricatus. 

 Perdita bishoppi Cockerell, 1906. Entomologist 39: 148. 9,6. 



Taxonomy: Cockerell, 1922. Amer. Mus. Novitates 33: 7. —Timberlake, 1956. Calif. Univ. 

 Pubs. Ent. 11: 249, 250, 261, figs. 193, 194, 299 (key, tax. characters, geogr. and floral 

 records). -Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 303-304, figs. 72-74, 79, 

 table 9 (redescription). 

 bishoppi planorum Timberlake. Kans., Tex. Pollen: Unknown, but visits flowers of 

 Heterotheca latifolia, H. subaxillaris, Isopappus divaricatus. 

 Perdita bishoppi planorum Timberlake, 1956. Calif. Univ. Pubs. Ent. 11: 261. 9, 6. 

 blatchleyi Timberlake. Fla. (Dunedin). Pollen: Unknown, but visits flowers of Chrysopsis. 

 Perdita blatchleyi Timberlake, 1952. Ent. Soc. Wash., Proc. 54: 201. 9. 



Taxonomy: Timberlake, 1956. Calif. Univ. Pubs. Ent. 11: 248, 258 (key). —Mitchell, 1960. N. 

 C. Agr. Expt. Sta. Tech. Bui. 141: 304, fig. 72, table 9 (redescription). 

 boltoniae boltoniae (Robertson). 111., La., Miss. Pollen: Unknown, but visits flowers of 

 Boltonia. 

 Perditella boltoniae Robertson, 1902. Canad. Ent. 34: 321. 9, cJ. 



