300 AMERICAN HYMENOPTERA. 



Upper SoHoran. 

 C. lepidus Cress. L. V. 

 C. teucrii Ckll. L. V.« 



C. verbense Ckll. and Porter. L. V. •■■ ; Pecos, July 7, fls. Verbena hipinnatitida. 

 C. chlorops Ckll. L. V. ■■ ; Pecos. 



Middle Sonoran. 



C. coloratipes Ckll. M. V.* Extends to Phoenix, Ariz. (Lower Sonoran). 

 Fls. Isocoma. 



HYPOMAC'ROTERA Ckll and Porter. 

 Upper Scnoran. 

 H. callops Ckll. and Porter. L. V.*, in August, fls. Chamsesarnchu. 



Middle Sonoran. 

 H. semirufa Ckll. M. Y.» 

 H. subalpina Ckll. M. V.* 



i^lACROTEROFSlS Ashm. 

 M. latior Ckll. M. V.» 



PERDITA Smith. 

 Canadian to Upper Sonoran. 



P. zebrata Cress. Beulah (very rare); Gallinas Eiver ; S. F. ; L. V.; Pecos; 



(ilorieta, Aug. 23, fls. Cleovie; Albuquerque; Lamy; Watrous; Alma, 



Socorro County. 



Transition. 

 P. foxi Ckll. S. F.* 

 P. snowi Ckll. S. F. 



Transition to Upper Sonoran. 



P. chamsesarachse Ckll. S. F. ; L. V.; Albuquerque ■■; Roswell. 



P. sexmaculata Ckll. S. F.* ; L. V.; Roswell. Fls. Chamsssarachu. 



P. sphseralcese alticola Ckll. S. F.* ; Pecos. The n)Ut. suffusa Ckll. has the 



same range. 

 P. mentzelise Ckll. S. F.*; Pecos; near Tularosa (Wootou) ; Eaton. At Pecos 



it visits the flowers of NnttalUa runhyi {Mentzelia rusbyi Wooton, 1898). 

 P. lepachidis Ckll. S. F.* ; Socorro. 



Upper Sonoran. 



P. stottleri Ckll. Sacramento Mts.® ; Pecos, fls. Gidierrezia. 



P. phacelise Ckll. Organ Mts.* 



P. anogrse Ckll. L. V. '■ 



P. mentzeliarum Ckll. Organ Mts.* ; near Tularosa (Wooton). 



P. mentzeliarum lauta Ckll. Near Tularosa* (Wooton). Three species of 

 Perdita were taken by Wooton at flowers of a Nnttullia doubtfully refei'red 

 at the time to "lurightii or midti flora," but no doubt really Nuttallia perenvis 

 (Mentzelia perennis Wooton, 1898). 



