306 AMERICAN HYMENOPTERA. 



Transition Zone. 



O. puailla Cress. Trout Spring, Gallinas Canon. Fls. Iris in May. 

 O. iridis t;kll. and Titus. Trout Spring.® Fls. Iris in May. 

 O. chlorops Ckll. and Titus. Trout Spring.* Fls. Iris in May. 

 O. bruneri Ckll. Barela Mesa (A. Gohrmau). 



Transition to Upper Sonoran. 

 O. lignaria Say. S. F. ; L. V.; Romersville ; Organ Mts. ; Paraje. 



Transition to Middle Sonoran. 

 O. cerasi Ckll. S. F. ; M. V.» 



Upper Sonoran. 



O. novomexicana Ckll. L. V.*; Johnson Park, July 4, fls. loco-weed (A. 



Gohrman). 

 O. lignaria lignariella Ckll. L. V.; Romersville.* 

 O. ribifloris Ckll. L. V. ; Romersville.* 



Middle Sonoran. 

 O. phenax Ckll. M. V.* 

 O. prunorum Ckll. M. Y.* 



AliCIDAMEA Cress. 

 A. biscutellse Ckll. M. V.* 



€HKL,OSTOMA Latr. 

 C. neomexicanum Ckll. Barela Mesa.* (A. Gohrman). 



HERI4I>E!^ Spinola. 

 Canadian, to Middle Sonoran. 

 H. carinatus Cress. Beulah ; S. F. ; Mescalero ; M. V. 



Transition. 

 H. crucifera Ckll. S. F.* 



Upjper Sonoran. 



H. gracilior Ckll. Rio Ruidoso, fls. Rhus: Pecos (W. P. C.) ; L. V. ; Organ Mts.* 

 H. variolosus Cress. Riuconada. 



Middle Sonoran. 

 H. asteris Ckll. M. V.* 



A$>iH9IEADIEEL.A Ckll. 



Canadian to Upper Sonoran. 



A. bucconis Say. Beulah ; L. V. ; Albuquerque. 

 A. cactorum Ckll. Beulah ; S. F.* ; L. Y. 



Upper Sonoran. 

 A. opuntise Ckll. Organ Mts.* 



