1914 Hymenoptera in America North of Mexico 



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

 Melilotiis. 

 Perdita chionostoma Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 240, figs. 43, 1001, 1002, 

 1144. 9, 6. 

 cleomellae Cockerell. Calif. (Mojave Desert). Pollen: Apparently an oligolege of Cleomella 

 including C. obtusifolia. 

 Perdita cleomellae Cockerell, 1925. Calif. Acad. Sci., Proc. (4) 14: 193. 9, d. 



Taxonomy: Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 309, 315, 353-354, figs. 430, 431, 499. 

 9 , 6 (key, redescription, geogr. and floral records). 

 cochiseana Timberlake. Ariz. (Douglas). Pollen: Unknown, but visits flowers of Euphorbia. 



Perdita cochiseana Timberlake, 1971. Calif. Univ. Pubs. Ent. 66: 43. 9. 

 compta Timberlake. South. Cahf. (Colorado and Mojave Deserts). Pollen: Unknown, but most 

 likely source is Eriastnim; visits flowers oi Cryptantha intermedia, Eriastrum 

 virgatnm, Eriogonum reniforme, E. trichopes, Lepidium fremontii, Malacothrix 

 glabrata, Stilli^igia paucidenfata. 

 Perdita compta Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 236, figs. 41, 997, 998, 1142. 

 9, d. 

 confusa Timberlake. West. Tex., N. Mex., Ariz.; Mexico (Chihuahua). Pollen: Apparently an 

 oligolege of Lepidium including L. alyssoides, L. montanum, L. thurberi. 

 Perdita confusa Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 247, figs. 46, 1007, 1008, 1147. 

 9, 6. 



Taxonomy: Rozen, 1966. Amer. Mus. Novitates 2259: 19, fig. 50 (larva, as questionably this 

 species). 



Biology: Rozen, 1967. Amer. Mus. Novitates 2297: 38, fig. 15, table 1 (nest architecture, life 

 history, floral association). 

 covilleae Timberlake. Ariz., Utah (St. George), Nev. (Las Vegas), south. Calif. (Colorado and 

 Mojave Deserts); Mexico (Baja California). Pollen: Oligolege oi Larrea tridentata, also 

 visits other flowers for nectar including Heliotropium curassavicum, Prosopis. 

 Perdita covilleae Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 361, figs. 438, 439, 503. 9, 

 S. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 139, 262 (key). 



Biology: Hurd and Linsley, 1975. Smithsn. Contrib. Zool. 193: 24, fig. 5 (intrafloral ecology). 

 cruciferarum Timberlake. Nev. (Battle Mountain). Pollen: Unknown, but visits flowers of an 

 unidentified Cruciferae. 

 Perdita cruciferarum Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 140, figs. 24, 25, 1291, 

 1292, 1349. 9,6. 

 cushmani Timberlake. Tex. (Brewster and Hudspeth Counties); Mexico (Chihuahua). Pollen: 

 Unknown, but visits flowers of Gutierrezia, Prosopis juliflora. 

 Perdita cushmani Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 222, figs. 979, 980, 1133. 9, 

 6. 

 cuspidata Timberlake. South. Calif. (Colorado and Mojave Deserts). Pollen: Collects pollen 

 from the flowers of Nama demissum, Phacelia distans, but visits other flowers for 

 nectar including Oenothera. 

 Perdita cuspidata Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 231, figs. 39, 991, 992, 1139. 

 9, 6. 

 dammersi Timberlake. South. Calif. (Colorado and Mojave Deserts). Pollen: Collects pollen 

 from flowers of Malacothrix including M. glabrata, but visits these and other flowers 

 for nectar including Chaenactis fremontii, Stephanorneria exigua. 

 Perdita dammersi Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 169, figs. 7, 919, 920, 1103. 

 9, cJ. 

 davidsoni Timberlake. South. Calif. 



Perdita davidsoni Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 235, figs. 995, 996, 1141. 6. 



