446 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



maculigera var. bilineata Timberlake, changed status. 111., Mo., Kans., Nebr., 

 S. Dak. (Perdita) 

 Perdita maculigera bilineata Timberlake. Changed to varietal status 

 {teste Timberlake, 1960, loc. cit. supra, p. 33). 



maculipes Cockerell. (Perdita) 



^maculosa Timberlake. Calif. (Riverside Co.). On flowers of Coldenia. (He- 

 teroperdita) 

 Perdita maculosa Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 378, fig. 

 514. 9, $. 



*magnicep8 Timberlake. N. Mex. (Luna Co.). On flowers of Sphaeralcea. 

 (Macroteropsis) 

 Perdita magniceps Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 124, 

 figs. 654,655, 729. $. 



*maIacothricis var. unica Timberlake. Calif. (Riverside Co.). (Pygoperdita) 

 Perdita malacothricis var. unica Timberlake, 1962. Calif. Univ. Pubs. 

 Ent. 28: 96. 9. 



marcialis Cockerell. (Perditella) 



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

 134). 



maura Cockerell. Syn. of halictoides Smith. 



*media Timberlake. Calif, deserts. On flowers of Aplopappus, Gutierrezia, 

 and Solidago. (Perdita) 

 Perdita media Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 73, figs. 

 592, 593, 698. ?, $. 



melanostoma Swenk and Cockerell. Nebr., N. Mex., Ariz. On flowers of 

 Gutierrezia. (Perdita) 

 Taxonomy: Timberlake, 1960, loc. cit. supra, p. 78. 5. 



*inelanura Timberlake. Ariz. (Grand Canyon) . (Perdita) 



Perdita melanura Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 52. 9. 



mellina Cockerell. (Hexaperdita) 



Taxonomy: Timberlake, 1958, loc. cit. supra, p. 390. 9. 



mentzeliae Cockerell. Colo., N. Mex., Ariz. On flowers of Mentzelia pumila. 

 (Perdita) 

 Perdita pallidior Cockerell (syn. by Timberlake, 1962, loc. cit. supra, p. 

 24, figs. 745, 746, 851. 9, 5). 



mentzeliarum Cockerell. Western Tex. to Ariz.; Mexico (Chihuahua). On 

 flowers of Mentzelia pumila. (Perdita) 

 Taxonomy: Timberlake, 1962, loc. cit. supra, p. 23, figs. 743, 744, 850. 9, 



*inichelbacheri Timberlake. Ariz.; Mexico (Baja California). On flowers of 

 Acacia and Carnegiea. (Perdita) 

 Perdita michelbacheri Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 60, 

 figs. 797, 798, 877. 9, $. 



*microsticta Timberlake. Kans. (Scott Co.). (Perdita) 



Perdita microsticta Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 89. 9. 



*mimula Timberlake. Calif. (Colorado Desert). On flowers of Aplopappus 

 acradenius. (Perdita) 

 Perdita mimula Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 53. .9 



miricornis Cockerell. A subsp. of wilmattae Cockerell. 



*missionis Timberlake. Tex.; Mexico (Tamaulipas, San Luis Potosi). On 

 flowers of Chamaesaracha, Lesquerella, Physalis. (Perdita) 

 Perdita missionis Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 369, figs. 

 446, 447, 507, $,9. 



*munda Timberlake. Utah, Ariz. (Perdita) 



Perdita munda Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 340. 9. 



