1878 Hymenoptera in America North of Mexico 



Taxonomy: Timberlake, 1953. Kans. Univ. Sci. Bui. 35: 963-968 (tax. characters, key to 

 included spp.). —Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 346, 354-356 (key to included 

 spp., tax. characters). -Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 122-123 (key to males 

 of included spp.). —Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 2 (modified key to males). 

 bidenticauda Timberlake. Tex. (Big Bend Park). Pollen: Unknown, but visits flowers of 

 Opiintia. 

 Perdita bidenticauda Timberlake, 1953. Kans. Univ. Sci. Bui. 35: 965. S, 9. 



Taxonomy: Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 356, figs. 13, 14, 122 (tax. characters, 

 key). —Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 122 (key). —Timberlake, 1968. Calif. 

 Univ. Pubs. Ent. 49: 2 (key). 



knulli Timberlake. Tex. (Davis Mts.). Pollen: Unknown, but the female allotype bears dark 

 brown pollen, with spherical and moderately fine grains. 

 Perdita knulli Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 123, figs. 652, 653, 728. 6,9. 



Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 2. 6 (key). 

 laticauda Timberlake. Tex. (Dryden); Mexico (Coahuila). Pollen: Unknown, but visits flowers 

 oi Cha7uaesaraclia conioides, Gaillardia, Gilia acerosa. 

 Perdita laticauda Timberlake, 1953. Kans. Univ. Sci. Bui. 35: 967. 6, 9. 



Taxonomy: Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 356, figs. 15, 16, 123 (tax. characters, 

 key). -Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 122. 6 (key). 

 lobata Timberlake. Tex. (Hidalgo and Starr Counties). Pollen: Unknown, but visits flowers of 

 Opuntia. 

 Perdita lobata Timberlake, 1953. Kans. Univ. Sci. Bui. 35: 967. 6. 



Taxonomy: Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 354, 356, figs. 17, 18, 124 (tax. 

 characters, key). —Timberlake, 1960. CaHf. Univ. Pubs. Ent. 17: 122. 6, 9 (tax. characters, 

 key). 

 opuntiae Cockerell. Colo., Wyo., S. Dak. (Pine Ridge). Ecology: Nests in soft sandstone rocks 

 of the Laraniie formation. Pollen: Collects pollen from the flowers of Opuntia. 

 Perdita (Lutziella) opiintiae Cockerell, 1922. Amer. Mus. Novitates 47: 2. d, 9. 



Taxonomy: Timberlake, 1953. Kans. Univ. Sci. Bui. 35: 964 (key). —Timberlake, 1954. Calif. 

 Univ. Pubs. Ent. 9: 354, 355, figs. 9, 10, 120 (tax. characters, key). —Timberlake, 1960. 

 Calif. Univ. Pubs. Ent. 17: 122. 6 (key^ 



Biology: Custer, 1928. Psyche 35: 67-84 (nesting habits). —Custer, 1929. Canad. Ent. 61: 49 

 (nesting habits). —Custer, 1929. Psyche 36: 293 (nesting habits). 



Genus PERDITA Subgenus EPIMACROTERA Timberlake 



Perdita subg. Epimacrotera Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 377. 

 Type-species: Perdita ainsliei Crawford. Orig. desig. 



Taxonomy: Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 378-379 (key to included spp.). 

 —Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 380 (modified key to included spp.). 

 —Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 129 (tax. characters, relationship to 

 Glossoperdita). —Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 92-93 (revised key to 

 included spp.). —Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 14-15 (key to males). 

 ainsliei Crawford. Iowa, N. Mex. (Bernalillo County). 



Perdita ainsliei Crawford, 1932. Ent. Soc. Wash., Proc. 34: 74. 6 , 9 . 



Taxonomy: Timberlake, 1954. CaHf. Univ. Pubs. Ent. 9: 378, 379, figs. 55, 56, 144 (key, tax. 

 characters). —Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 380 (key, geogr. record). 

 —Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 93 (key). —Timberlake, 1968. CaHf. Univ. 

 Pubs. Ent. 49: 14 (key). 

 biguttata Timberlake. Ariz. (Cochise County). Pollen: Unknown, but visits flowers of 

 Eriogonum abertianum var. neomexicanuiu, Euphorbia. 

 Perdita biguttata Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 95. 9. 

 Perdita parvula Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 15, figs. 1202, 1304. 6. 



Taxonomy: Timberlake, 1968. CaHf. Univ. Pubs. Ent. 49: 15 (synonymy in footnote). 



