448 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



*obispoensis Timberlake. Calif. (San Luis Obispo Co.). (Perdita) 



PertlUa obispoensis Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 335, 

 figs. 406, 407, 487. $. 



obscurata Cresson. (Alloperdita) 



Perdita Carolina Timberlake (syn. by Timberlake, 1960, loc. cit. supra, p. 

 134). 



*occidua Timberlake. Ariz. (Oak Creek Canyon). (Perdita) 



Perdita occidua Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 120. 9. 



octomaculata terminata Cockerell. N. Dak., Nebr., Kans., Iowa, 111., Ark., 

 Miss. On flowers of Aster and Solidago. (Perdita) 



octomaculata octomaculata (Say). (Perdita) 



Taxonomy: Timberlake, 1960, loc. cit. supra, p. Ill, figs. 642, 643, 723. 

 ?, 5. 



opuntiae Cockerell. Wyo. 



*ordinata Timberlake. Ariz. (Cochise and Navajo Counties). (Perdita) 



Perdita ordinata Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 105, figs. 

 841,842,899. 5- 



*oregonensis expleta Timberlake. Calif. (Sierra Co.). On flowers of Chry- 

 sothamnus. (Perdita) 

 Perdita oregonensis expleta Timberlake, 1962. Calif. Univ. Pubs. Ent. 

 28: 99. $. 



oregonensis oregonensis Timberlake, changed status. Nev., Wash. On flowers 

 of ChrysotJiamnus, Gutierrezia. (Perdita) 

 Taxonomy: Timberlake, 1958, loc. cit. supra, p. 320, figs. 378, 379, 475. 

 ?, $. — Timberlake, 1962, loc. cit. supra, p. 98 (reduced to subsp. 

 rank). 



pallidior Cockerell. Syn. of mentzeliae Cockerell. 



*pallidiventris Timberlake. Calif. (Fresno Co.). On flowers of Eriogonum 

 f asciculatum. (Perdita) 

 Perdita pallidiventris Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 99. 

 9. 



*parilis Timberlake. Utah. On flowers of Chrysothamnus, Gutierrezia. (Per- 

 dita) 

 Perdita parilis Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 342, figs. 

 414, 415, 491. 9, $. 



*paroselae Timberlake. Southern Calif. On flowers of Dalea. (Perdita) 



Perdita paroselae Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 65, figs. 

 578,579, 691. 9, $. 



pectidis Cockerell. N. Mex., Ariz. On flowers of Kallstroemia, Pectis, and 

 Sesuvium. (Perdita) 

 Taxonomy: Timberlake, 1960, loc. cit. supra, p. 91, figs. 614, 615, 709. 9, 



$. 



pellucida Cockerell. (Perdita) 



*perixantha Timberlake. Ariz. (Navajo Co.). (Perdita) 



Perdita perixantha Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 23, 

 figs. 524, 525, 663. $. 



perpallida citrinella Graenicher. Wis., Minn., Nebr. On flowers of Petaloste- 

 mwin. (Perdita) 



perpallida perpallida Cockerell. Minn., N. Dak., Nebr., Kans., N. Mex. At 

 flowers of Amorpha, Helenium, Petalo sternum, and Solidago. 

 (Perdita) 

 Taxonomy: Timberlake, 1960, loc. cit. supra, p. 25, figs. 532, 533, 667. 9, 



$. 



*perplexa Timberlake. N. Mex. (Catron Co.). On flowers of Mentzelia. 

 (Perdita) 



