ANDRENIDAE 437 



Perdita abdominalis Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 38, 

 figs. 550, 551, 667. 9, $. 



*acaciae Timberlake. Southern Calif. On flowers of Acacia and Agave. 

 (Perdita) 

 Perdita acaciae Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 61, figs. 

 799, 800, 878. 9, $. 



*accepta Timberlake. Oreg. (Crook Co.). (Perdita) 



Perdita accepta Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 340. ?. 



*adjuncta Timberlake. Nev., Calif., Oreg., Idaho. On flowers of Chrysoth- 

 amnus. (Perdita) 

 Perdita adjuncta Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 327, figs. 

 390, 391, 479. ?, $. 



*aemula Timberlake. Oreg., Utah. On flowers of Chrysothamnus, SoUdago. 

 (Perdita) 

 Perdita aemula Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 330, figs. 

 396,397,482. $,9. 



affinis Cresson. Colo., N. Mex., Ariz. On flowers of Aplopappus, Grindelia, 

 Helianthus and SoUdago. (Perdita) 

 Taxonomy: Timberlake, 1960, loc. cit. supra, p. 108, figs. 636, 637, 720. 



?, $. 



*agasta Timberlake. Tex. (Hidalgo Co.) . (Hexaperdita) 



Perdita agasta Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 389. 9. 



ainsliei Crawford. N. Mex. (Bernalillo Co.). (Epimacrotera) 



albipennis Cresson. (Cockerellia) 



Perdita albipennis hyalina Cresson (syn. by Timberlake, 1960, loc. cit. 

 supra, p. 130) . 



Perdita albipennis var. lingualis Cockerell. A valid sp. {teste Timber- 

 lake, 1960, loc. cit. supra, p. 131). 



albipennis hyalina Cresson. Syn. of albipennis Cresson. 



*albipes Timberlake. Tex. (Big Bend National Park) . (Perdita) 



Perdita albipes Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 102, figs. 

 837,838,897. $. 



*albocincta Timberlake. N. Mex. (Laguna). On flowers of Aplopappus he- 

 terophyllus (Perdita) 

 Perdita albocincta Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 78. 9. 



*albopicta Timberlake. Utah (Millard Co.). On flowers of Chrysothamnus. 

 (Perdita) 

 Perdita albopicta Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 341. 9. 



amoena Timberlake. Mexico (Sonora). (Pentaperdita) 



Taxonomy: Timberlake, 1958, loc. cit. supra, p. 386. 9. 



*aniplipennis Timberlake. Calif, mts. (Inyo and Mono Counties). On flowers 

 of Eriogonum and Stanleya. (Perdita) 

 Perdita amplipennis Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 30, 

 figs. 751, 752,854. 9, $. 



*annexa Timberlake. N. Mex. (Pecos). On flowers of Hymenoxys richard- 

 soni. (Pentaperdita) 

 Perdita annexa Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 133. $. 



*apacheorum Timberlake. Ariz. On flowers of Gutierrezia and Euphorbia. 

 (Perdita) 

 Perdita apacheorum Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 99. 

 9. 



*aplopappi Timberlake. Ariz., Utah. On flowers of Aplopappus, Eriogonum 

 and Gutierrezia. (Perdita) 

 Perdita aplopappi Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 98, figs. 

 626, 627,715. 9, $. 



