ANDRENIDAE 451 



senecionis Cockerell. N. Mex. (Las Cruces). On flowers of Senecio. (Perdita) 

 Taxonomy: Timberlake, 1960, loc. cit. supra, p. 100. ?. 



♦separata Timberlake. Tex. (Zapata Co.). (Perdita) 



Perdita separata Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 106. ?. 



sexniaculata sexmaculata Cockerell, changed status. Ariz., N. Mex., Tex., 



Kans., Colo.; Mexico ((^hihauhua, Durango, Hidalgo). Visiting 



many flowers. (Perdita) 



Taxonomy: Timberlake, 1958, loc. cit. supra, p. 367, figs. 444, 445, 506. 



9, $. — Timberlake, 1962, loc. cit. supra, p. 101 (reduced to subsp. 



rank; another subsp. occurs in Baja California). 



*similis pascoensis Timberlake. Wash. (Pasco). (Perdita) 



Perdita similis pascoensis Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 



324, figs. 384,385. $, 9. 



^similis similis Timberlake. N. Mex. and Ariz, to Utah, Wyo. and Idaho. On 

 flowers of Aplopappus, Chrysothamnus, Erigeron, Gutierrezia. 

 (Perdita) 

 Perdita similis similis Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 323, 

 figs. 382, 383, 477. ?, $. 



=*=snellingi Timberlake. Calif. (Kern and Inyo Counties). On flowers of Chry- 

 sothamnus, Euphorbia, Gutierrezia. (Perdita) 

 Perdita snellingi Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 46, figs. 

 781, 782,869. $, $. 

 snowii Cockerell. Colo. On flowers of Grindelia and Aster. (Perdita) 



Taxonomy: Timberlake, 1960, loc. cit. supra, p. 83, figs. 604, 605, 704. ?, 

 $• 



*solata Timberlake. Calif. (Los Angeles Co.). On flowers of Malacothrix. 

 (Pygoperdita) 

 Perdita soluta Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 394, fig. 



520. $. 



stephanomeriae Timberlake. On flowers of Dalea. (Allomacrotera, transf. 

 from Procockerellia) 



Taxonomy: Timberlake, 1960, loc. cit. supra, p. 131, figs. 658, 659, 731. 



$. 



*stepheni Timberlake. On flowers of Monarda. (Perdita) 



Perdita stepheni Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 29, figs. 

 536, 537,669. $. 



stottleri flavida Swenk and Cockerell. Nebr. to Oreg., Colo. On flowers of 

 Chrysothamnus. (Perdita) 



stottleri stottleri Cockerell. Delete Colo, from range. (Perdita) 



subfasciata Cockerell. Ariz., Nev., Utah. On flowers of Gutierrezia. (Per- 

 dita) 

 Taxonomy: Timberlake, 1962, loc. cit. supra, p. 45, figs. 779, 780, 868. 9, 



s. 



swenki Crawford. Mich., 111., Wis., Minn., N. Dak., Nebr. On flowers of 

 Grindelia, Helianthus, Liatris, and Solidago. (Perdita) 

 Taxonomy: Timberlake, 1960, loc. cit. supra, p. 104, figs. 630, 631, 717. 

 9, $. 



*swezevi Timberlake. Calif., Nev. On flowers of Erigeron. (Perdita) 



Perdita stcezeyi Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 348, figs. 

 422,423, 495. 9, $. 



"^texana ablusa Timberlake. N. Mex., Tex. On flowers of Opuntia. (Macro- 

 tera) 

 Perdita texana ablusa Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 376. 

 9, $. 



texana texana (Cresson), changed status. Delete N. Mex. from range (Sup. 

 1 ) . (Macrotera) 



