Superfamily APOIDEA 1915 



deltophora Timberlake. Tex. Pollen: Unknown, but visists flowers of Cha7naesaracha 

 co7iioides, Physalis lobata, Prosopis. 

 Perdita deltophora Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 207, figs. 25, 959, 960, 

 1123. 9, 6. 



dentata Timberlake. South. Calif. (Colorado Desert). Pollen: Possibly an oligolege of Phacelia 

 including P. distans, but visits other flowers presumably for nectar including Acacia 

 greggii, Geraea ca^tescens, Kmmeria canescens, Larrea tridentata. 

 Perdita dentata Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 165, figs. 4, 913, 914, 1100. 9, 



S. 



difficilis Timberlake. Tex. (Brewster County), N. Mex. (Dona Ana and Eddy Counties), Ariz., 

 south. Calif. (Colorado and Mojave Deserts); Mexico (Baja California). Pollen: 

 Apparently an oligolege of Prosopis including P.juliflora, but visits flowers of other 

 desert shrubs presumably for nectar including Cercidium floridum, Larrea tridentata. 

 Mimosa and also has been collected at the flowers of Melilotns. 

 Perdita difficilis Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 323, figs. 1067, 1068, 1177. 

 6, 9. 

 digna Timberlake. CaHf. (Quincy). 



Perdita digna Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 310. 9. 

 discors Timberlake. South. Calif. (Thousand Palms). 



Perdita discors Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 361. 9. 

 dispar Timberlake. Tex. (Starr and Webb Counties); Mexico (Chihuahua). Pollen: Unknown, 

 but visits flowers of Condalia lycioides, Croton, Prosopis juliflora. 

 Perdita dispar Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 220^ figs. 33, 997, 998, 1132. 9, 

 6. 



Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 43: 136 (geogr. and floral record). 

 distincta Timberlake. Oreg. (Baker County), Calif. (Sierra County). Pollen: Unknown, but 

 visits flowers of Eriogonum. 

 Perdita distincta Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 174, figs. 10, 925, 926, 1106. 



6. 



Taxonomy: Timberlake, 1971. Calif. Univ. Pubs. Ent. 66: 45-46. 9. 

 drymariae Timberlake. N. Mex. (Dona Ana and Hidalgo Counties), Mich. (Baraga County); 



Mexico (San Luis Potosi). Pollen: Unknown, but visits flowers of Dryntaria holosteoides, 

 Tidestro7)tia lanuginosa. 

 Perdita drymariae Timberlake, 1960. In Mitchell, N. C. Agr. Expt. Sta. Tech. Bui. 141: 324. 

 9, 6. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 129, 148, 201-202, figs. 22, 951, 952, 

 1119. 9, 6 (key, tax. characters, geogr. and floral records). —Timberlake, 1968. Calif. 

 Univ. Pubs. Ent. 49: 112, 134 (key, geogr. and floral record). 

 emarginata Timberlake. Ariz. (Tucson), south. Calif. (Desert Center). Pollen: Unknown, but 

 visits flowers of Dalea. 

 Perdita emarginata Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 304. 9. 

 eremica Timberlake. Ariz. (Maricopa and Pinal Counties), south. Calif. (Colorado and Mojave 

 Deserts). Pollen: Apparently an oligolege of Larrea tridentata, but visits other flowers 

 including Dalea californica, D.fremontii var. jolinsoyiii, D.f. var. sau7idersii, D. schottii, 

 Eriogo7iuni inflatum, Funastruni hirtellu7n, Hyptis emoryi, Nama de7nissum. 

 Perdita eremica Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 268, figs. 54, 1033, 1034, 1160. 

 9,6. 



Biology: Hurd and Linsley, 1975. Smithsn. Contrib. Zool. 193: 25 (floral relationships). 

 eremophila Timberlake. South. Calif. (Mojave Desert). Pollen: Possibly an oligolege of 

 Phacelia including P. distans, P. fremontii, but visits other flowers including 

 Haplopappus cooperi, Lepidium fremontii. 

 Perdita eremophila Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 238, figs. 42, 999, 1000, 

 1143. 9, 6. 



