80 U.S. NATIONAL MUSEUM BULLETIN 268 



Stevens, O. A. 



1917. Preliminary list of the North Dakota wasps exclusive of Eumenidae. 



Ent. News, vol. 28, pp. 419-423. 

 ViERECK, Henry L. 



1902. Hymenoptera from southern California and New Mexico, with 

 descriptions of new species. Proc. Acad. Nat. Sci. Philadelphia, 

 vol. 54, pp. 728-743. 

 1906. Notes and descriptions of Hymenoptera from the Western United 

 States. Trans. Amer. Ent. Soc, vol. 32, pp. 173-247. 

 ViERECK, H. L. and Cockerell, T. D. A. 



1904. The Philanthidae of New Mexico, I. New York Ent. Soc. Journ. 

 vol. 12, pp. 84-88. 

 Washburn, F. L. 



1918. The Hymenoptera of Minnesota. State Entomol. Minnesota, 17th 



Rep. (April 20, 1919), vol. 17, pp. 145-237, figs. 1-125. 



