1880 Hymenoptera in America North of Mexico 



giliae Timberlake. Ariz. Pollen: Unknown, but visits flowers of Gilia, possibly G. aggregata. 

 Perdita giliae Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 374, figs. 51, 52, 141. 9,6. 



Taxonomy: Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 379 (key). 

 hurdi Timberlake. South. Calif., Ariz.; Mexico (Sonora). Ecology: Cuts unopened flowers of 

 Proboscidea in order to obtain pollen. Pollen: Collects pollen from the flowers of 

 Proboscidea althaeafolia, P. arenaria. 

 Perdita hurdi Timberlake, 1956. Calif. Univ. Pubs. Ent. 11: 324, figs. 283, 284, 335. 9, <?. 



Taxonomy: Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 379 (key). —Timberlake, 1960. Calif. 

 Univ. Pubs. Ent. 17: 127-128 (tax. characters, geogr. and floral records). 



Biology: Hurd and Linsley, 1963. Kans. Ent. Soc, Jour. 36: 248-252, 5 figs, (corolla cutting 

 habits, floral relationships). 

 navarretiae angusticeps Timberlake. Calif. (Tuolumne County). 



Perdita navarretiae angusticeps Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 128. S, 9. 

 navarretiae navarretiae Timberlake. Calif. (Mariposa County). Pollen: Unknown, but visits 

 flowers of Navarretia viscidula, 

 Perdita navarretiae Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 379, figs. 460, 461, 515. i. 



Taxonomy: Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 128 (tax. status). 

 navarretiae powelli Timberlake. Calif. (Nevada County). 



Perdita navarretiae powelli Timberlake, 1962. Calif. Univ. Pubs. Ent. 91. S, 9. 

 pelargoides (Cockerell). South. Calif, (cismontane). Pollen: Unknown, but visits flowers of 

 Hugelia virgata, Navarretia atractyloides. 

 Glossoperdita pelargoides Cockerell, 1916. Pomona Jour. Ent. Zool. 8: 43. 9. 



Taxonomy: Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 373, figs. 49, 50, 140. S. 

 —Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 379 (key). 



Genus PERDITA Subgenus HESPEROPERDITA Timberlake 



Perdita subg. Hesperoperdita Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 374. 

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



Taxonomy: Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 375 (key to included spp.). 

 pyrifera Cockerell. Calif. (Pleyto, Monterey County). 



Perdita pyrifera Cockerell, 1925. Calif. Acad. Sci., Proc. (4) 14: 192. 9 . 



Taxonomy: Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 376, fig. 142. 6. 

 trisignata ornata Timberlake. North. Calif. Pollen: Possibly an oligolege of Lotus, visits 

 flowers of L. glaber, L. nevadensis, L. strigosus var. hirtellus. 

 Perdita ruficauda ornata Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 377. 9,6. 



Taxonomy: Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 127 (tax. status). 

 trisignata trisignata Cockerell. South. Calif.; Mexico (Baja California). Pollen: Possibly an 



oligolege of Lotus including L. americamis, L. argophyllus, L. davidsonii, L. scoparius, 

 L. strigosus, but also visits other flowers including Cryptantha, Heteromeles. 

 Perdita trisignata Cockerell, 1896. Acad. Nat. Sci. Phila., Proc. 48: 76. 9. 

 Perdita ruficauda Cockerell, 1916. Pomona Jour. Ent. Zool. 8: 44. 9. 



Taxonomy: Cockerell, 1922. U. S. Natl. Mus., Proc. 60: 17. 9 , cJ (as nificauda). 

 —Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 375, 376 (key, type). —Timberlake, 1954. 

 Calif. Univ. Pubs. Ent. 9: 375, 376, figs. 53, 54, 143 (key, tax. characters, geogr. and floral 

 records, as ruficauda). —Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 127 (synonymy). 



Genus PERDITA Subgenus HETEROPERDITA Timberlake 



Perdita subg. Heteroperdita Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 365. 

 Type-species: Perdita rhodogastra Timberlake. Orig. desig. 



The species of this subgenus apparently collect pollen exclusively from flowers of the 

 boraginaceous genera Coldenia and Heliotropium. 



