Fussorial Uymenoptera of North America. Gl 



Cerceris clypeata. Dahlb. 



C. clypeata, Dahlb., Hym. Eur. i. p. 221. (1845.) 

 ( Jreseon, Proc. v. p. 114. (1805.) 

 Mass. and Middle States, (Coll. Ent. Soc. Phil.) Maine, August on 

 flowers, Mass., Conn., New York, District of Columbia, (Norton). 

 Varies greatly in the length of the clypeus, in some being half as long 

 as iu others. 



Cerceris venator, Cresson. 



C. venator, Cresson, Proc. v. p. 110. (1805.) 



Middle States, Kansas, Louisiana, (Coll. Ent. Soc. Phil.). Mass., 

 (Sanborn). District of Columbia, (Norton). New York, (Angus). 



Cerceris bicomuta. Guerin. 



C. bicomuta, Guerin, Icon. Reg. Anim. p. 443. 



Smith, Cat. Hym. Br. Mus. iv. p. 406. (1S56.) 

 Cresson, Proc. v. p. 117. (1856.) 

 Middle States and Louisiana, (Coll. Ent. Soc. Phil.). " New Or- 

 leans, Georgia and Delaware," (Smith). Brookline, Mass., Shurtleff, 

 (Coll. B. S. N. H., Harris Coll.). New York, Maryland, Penna., 

 (Norton). 



Cerceris biungulata, Cresson. 



C. biungulata, Cresson, Proc. v. p. 118. 



Rocky Mountains, Colorado Territory, (Ridings, Coll. Ent. Soc). 



Cerceris sexta, Say. 



a sexta, Say, Bost. Jour. Nat. Hist. i. p. 382. (1837.) 

 Smith, Cat. Hym. B. M. iv. p. 465. (1856.) 

 Cresson, Proc. v. p. 119. (1865.) 



' : Missouri," (Say). Rocky Mountains, Colorado Territory, (Coll. 



Ent. Soc. Phil.). Kansas, (Norton). 



Cerceris vicina. Cresson. 



C. vicina, Cresson, Proc. v. p. 120. (1865.) 



Rocky Mountains, Colorado Territory, (Coll. Ent. Soc. Phil.). 



Cerceris rufinoda, Cresson. 



C. rufinoda, Cresson, Proc. v. p. 121. (1865.) 

 Rocky Mountains, Colorado Territory, (Coll. Ent. Soc. Phil.). 



Cerceris rufopicta, Smith. 



C. rufopicta, Smith, Cat. Hym. Br. Mus. iv. p. 467. (1856.) 



Florida, (Norton). 



Cerceris Blakei. Cresson. 



C. Blakei, Cresson, Proc. v. p. 121. (1805.) 

 Georgia, (Blake, Coll. Ent. Soc. Phil). 



Cerceris finitima, Cresson. 



C. Jiaitima, Cresson, Proc. v. p. 122. (1865.) 



Illinois, (Lewis, Coll. Ent. Soc. Phil.). 



