1886 Hymenoptera in America North of Mexico 



mortuaria Timberlake. South. Calif., Ariz.; deserts. Pollen: Unknown, but visits flowers of 

 Echinocereus engelmanni, Eriogomim inflatiim, Eschscholzia ealifomica, E. 

 minutiflora var. darwinensis, Eucnide sirens, Larrea tride7itata, Prosopis juliflora. 

 Perdita mortuaria Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 362, figs. 27, 28, 129. 6,9. 



Taxonomy: Timberlake, 1956. Calif. Univ. Pubs. Ent. 11: 324 (tax. characters, geogr. record, 

 variation). —Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 126 (geogr. and floral record, 

 variation). —Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 7, 8, 10 (key, geogr. and floral 

 records). 

 nigrrella Timberlake. South. Calif.; deserts. PoUen: Unknown, but visits flowers of Phacelia 

 including P. cremilata. 

 Perdita nigrella Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 362, figs. 29, 30, 130. cj, 9. 



Taxonomy: Timberlake, 1968 Calif. Univ. Pubs. Ent. 49: 7 (key). 

 opacella Timberlake. Ariz. (Grand Canyon), Utah (Moab). Pollen: Unknown, but visits flowers 

 of Cleome lutea, Stanley a. 

 Perdita opacella Timberlake, 1956. Calif. Univ. Pubs. Ent. 11: 324. 9. 



Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 7, 8, figs. 3, 1195, 1196, 1301, 1353. 

 S. 

 solitaria Cockerell. N. Mex. (Organ Mts.), Ariz. (Santa Catalina Mts.). 



Perdita solitaria Cockerell, 1896. N. Y. Ent. Soc, Jour. 4: 206. Nomen nudum. 

 Perdita solitaria Cockerell, 1897. Amer. Ent. Soc, Trans. 24: 152. 9 . 



Taxonomy: Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 361, 365 (key, geogr. records). 

 —Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 7 (key). 

 tristella Timberlake. South. Calif. (Riverside County). Pollen: Unknown, but visits flowers of 

 Calochortus splendens, Eriogonum fasciciilatum, Hugelia virgata, Sphaeralcea. 

 Perdita tristella Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 363, figs. 31, 32, 131. S, 9. 



Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 7 (key). 



Genus PERDITA Subgenus MACROTEROPSIS Ashmead 



Macroteropsis Ashmead, 1899. Amer. Ent. Soc, Trans. 26: 85. 



Type-species: Perdita latior Cockerell. Monotypic and orig. desig. 



Taxonomy: Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 346, 356-357 (redescription, key to 

 included spp.). —Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 87 (key to males of included 

 spp.). 

 arcuata arcuata Fox. Calif. (San Benito County); Mexico (Baja California). Pollen: Apparently 

 an oligolege of Sphaeralcea. 

 Perdita arcuata Fox, 1893. Calif. Acad. Sci., Proc (2) 4: 18. 6. 



Taxonomy: Cockerell, 1896. Acad. Nat. Sci. Phila., Proc. 48: 54 (tax. characters). 

 —Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 357, 358 (key, tax. characters, tax. status). 

 —Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 87 (key). —Timberlake, 1968. Calif. Univ. 

 Pubs. Ent. 49: 4 (geogr. and floral record). 

 arcuata dinognatha Cockerell. Ariz. (Tempe), Nev. (Charleston Mts.), south. Calif.; deserts. 

 Pollen: Apparently collects pollen only from the flowers of Sphaeralcea ambigua, but 

 visits other flowers for nectar including Encelia frutescens, Eriogonum fasciculatum 

 var. polifolium. 

 Perdita dinognatha Cockerell, 1922. U. S. Natl. Mus., Proc 60 (18): 19. 6. 



Taxonomy: Timberlake, 1953. Kans. Univ. Sci. Bui. 35: 968 (tax. status, geogr. and floral 

 records). —Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 357, 359, figs. 21, 22, 126. 9 (key, 

 geogr. and floral records). 

 echinocacti Timberlake. Ariz.; Mexico (Sinaloa and Sonora). Pollen: Unknown, but visits 

 flowers q{ Antigonon leptopus, Jacquemontia, Kallstroemia grandiflora. 

 Perdita echinocacti Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 360, figs. 25, 26, 128. tJ, 9. 



Taxonomy: Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 125 (geogr. and floral records). 

 —Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 87 (key). 



