1920 Hymenoptera in America North of Mexico 



nigroclypeata Timberlake. Colo. (Alamosa and Rio Grande Counties). 



Perdita nigroclypeata Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 314, fig. 69. 9. 

 obliqua Timberlake. Ark. (Garland County), Ariz., south. Calif. (Colorado Desert); Mexico 

 (Baja California and Sonora). Pollen: Apparently polylectic, visits flowers of Acacia, 

 Carnegiea gigantea, Cercidium, Dalea spinosa, Eriogonum trichopes, Medicago sativa, 

 Prosopis, Wislizenia refracta. 

 Perdita obliqua Timberlake, 1928. Pan-Pacific Ent. 5: 26. 9 . 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 134, 144, 148, 218-219, figs. 975, 976, 

 1131. 9, 6 (key, redescription, geogr. and floral records). —Timberlake, 1971. Calif. Univ. 

 Pubs. Ent. 66: 48 (geogr. record). 

 obscurella Timberlake. N. Mex. (Hidalgo and Socorro Counties), Ariz. (Cochise and Pima 

 Counties); Mexico (Chihuahua). Pollen: Unknown, but visits flowers of Baileya 

 pleniradiata, Boerhaavia, Euphorbia albornarginata. 

 Perdita obscurella Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 202, figs. 23, 593, 594, 

 1120. 9, 6. 

 omani Timberlake. Calif. (Bakersfield). 



Perdita omani Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 296, fig. 62. 9. 

 oreophila Timberlake. Calif. (Tuolumne County). Pollen: Unknown, but visits flowers of a 

 Compositae. 

 Perdita oreophila Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 244. 9. 

 ovaliceps Timberlake. N. Mex. (Eddy County), Ariz. (Maricopa and Mohave Counties), Nev. 



(Clark County), south. Calif. (Colorado and Mojave Deserts). Pollen: Unknown, but visits 

 flowers oi Chaenactis carphoclinia, C. sfevioides var. brachypappa, Encelia farinosa, 

 Gerrea canescens, Larrea tridentata. 

 Perdita ovaliceps Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 265, figs. 52, 1029, 1030, 



1158. 6. 

 Perdita iuctuosa Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 266, fig. 53. 9. 



Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 150-151 (synonymy, geogr. records). 

 pallidipes Timberlake. Ariz. (Maricopa and Pima Counties), south. Calif. (Colorado Desert); 

 Mexico (Sonora). Pollen: Unknown, but visits flowers of Prosopis juliflora. 

 Perdita pallidipes Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 332, figs. 1079, 1080, 1183. 

 6. 

 panocheana Timberlake. Calif. (Fresno County). Pollen: Unknown, but visits flowers of 

 Heliotropium oculatum. 

 Perdita panocheana Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 274, figs. 1039, 1040, 

 1163. 9, cJ. 

 parryellae Timberlake. Ariz. (Navajo County). Pollen: Unknown, but visits flowers of 

 Parryella fiiifolia. 

 Perdita parryellae Timberlake, 1971. Calif. Univ. Pubs. Ent. 66: 48, figs. 1389, 1390, 1413. 

 9, 6. 

 placens Timberlake. Ariz. (Willcox). 



Perdita placens Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 124, figs. 1273, 1274, 1340. 6. 

 planifrons Timberlake. Calif. (Mono County). 



Perdita planifrons Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 148. 9. 

 propinqua Timberlake. Calif. (Ventura County). Pollen: Unknown, but visits flowers of 

 Linanthus aureus, Phacelia douglasii. 

 Perdita propinqua Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 226, figs. 35, 983, 984, 

 1135. 9, 6. 

 prosopidis Timberlake. Ariz. (Yuma County), south. Calif. (Colorado and Mojave Deserts); 

 Mexico (Baja California). Pollen: Possibly an oligolege of Prosopis juliflora, but visits 

 other flowers for nectar including Melilotus. 

 Perdita prosopidis Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 318, figs. 69, 1063, 1064, 

 1175. 9, 6. 



puncticeps Timberlake. Calif. (Palm Springs). 



Perdita puncticeps Timberlake, 1971. Calif. Univ. Pubs. Ent. 66: 49. 9. 



