Superfamily APOIDEA 1909 



lucens Timberlake. South. Calif. (Mojave Desert), Nev. (Churchill County). Pollen: Possibly an 

 oHgolege of Eriogonum, visits flowers of E.fasciculatum, E. mflatum, E. rnohavense, 

 E. nodosum. 

 Perdita lucens Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 71, figs. 809, 810, 883. 9,6. 

 lunulata Timberlake. Ariz. (Apache and Navajo Counties). Pollen: Collects pollen from the 

 flowers of Mentzelia puynila, but also visits the flowers oi Eriogonum aureum 

 presumably for nectar. 

 Perdita lunulata Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 22. 9. 



Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 96, 101. 9, d (tax. status, key, 

 geogr. and floral relationships). 



melanops Timberlake. South. Calif. (Santa Rosa Mts.). Pollen: Unknown, but visits flowers of 

 Physalis crassifolia. 



Perdita melanops Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 105. 9. 

 melanura Timberlake. Ariz. (Grand Canyon). 



Perdita melanura Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 52. 9. 

 mentzeliae Cockerell. Colo. (Antonita and Trinidad), N. Mex., Ariz., (Cochise, Greenlee and 

 Navajo Counties). Pollen: Collects pollen from the flowers of Mentzelia ptimila. 



Perdita mentzeliae Cockerell, 1896. Acad. Nat. Sci. Phila., Proc. 48: 60. 6, 9. 



Perdita pallidior Cockerell, 1896. Acad. Nat. Sci. Phila., Proc. 48: 61. 6, 9. 



Perdita pulchrior Cockerell, 1896. Acad. Nat. Sci. Phila., Proc. 48: 62. 6 . 



Taxonomy: Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 3, 10, 24-26, figs. 745, 746, 851. 9, 3 

 (key, redescription, synonymy, geogr. and floral records). —Timberlake, 1968. Calif. Univ. 

 Pubs. Ent. 49: 101 (geogr. and floral records). 



Biology: Linsley and Hurd, 1959. Ent. News 70: 64, 65, 67 (floral relationships). 

 mentzeliarum Cockerell. West. Tex. to Ariz.; Mexico (Baja California and Chihuahua). Pollen: 

 Apparently an oligolege of Mentzelia pumila, but visits flowers of Bahia absinthifolia 

 for nectar. 

 Perdita mentzeliarum Cockerell, 1897. N. Mex. Agr. Expt. Sta., Bui. 24: 43. 9, S. 

 Perdita mentzeliarum var. lauta Cockerell, 1905. Entomologist 38: 145. 9, 6. 



Taxonomy: Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 3, 9, 23-24, figs. 743, 744, 850. 9, S 

 (key, redescription, synonymy, geogr. and floral records). —Timberlake, 1968. Calif. Univ. 

 Pubs. Ent. 49: 101 (geogr. and floral records). 

 michelbacheri Timberlake. Ariz. (Maricopa County); Mexico (Baja California). Pollen: 

 Unknown, but visits flowers of Acacia, Camegiea gigantea. 

 Perdita michelbacheri Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 60, figs. 797, 798, 877. 

 9, 6. 

 nasuta galacticoptera Timberlake. Calif. (Inyo and Panamint Mts.). Pollen: Apparently an 

 oligolege of Eriogonum, visits flowers of E. inflatum. 

 Perdita nasuta galacticoptera Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 76. 9, c5. 

 nasuta nasuta Timberlake. South. Calif. (Colorado and Mojave Deserts), Nev. (Clark County), 

 Ariz. (Mohave, Pinal and Yuma Counties). Pollen: Apparently an oligolege of 

 Eriogonum, visits flowers of E. trichopes. 

 Perdita nasuta nasuta Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 74, figs. 813, 814, 885. 

 9,6. 

 nasuta obscurescens Timberlake. Ariz., N. Mex. (Las Cruces). Pollen: Apparently an oligolege 

 of Eriogonum, visits flowers of E. thomasii, E. trichopes. 

 Perdita nasuta obscurescens Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 76. 9, d. 

 nigridia Timberlake. Calif. (Colorado and Mojave Deserts), Ariz. (Mohave County); Mexico 



(Baja California). Pollen: Apparently collects pollen only from the flowers of Mentzelia 

 including M. albicaulis, M. involucraia, M. pumila, M. tricuspis, but visits these and 

 apparently other flowers for nectar including Encelia farinosa, Eriogonum 

 fasciculatum, Eucnide urens. 

 Perdita nigridia Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 18, figs. 777, 778, 867. cJ, 9. 



Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 101 (geogr. and floral record). 



