no KINCAID [508] 



SPHEGOIDEA. 



Family CRABRONIDJE. 



Ectemnius parvulus (Packard). 



Crabro parvulus Packard, Proc. Ent. Soc. Phila., vi, p. 108, 1866. 



One female and four males, Saldovia, July 21. Taken on the 

 flowers of Heracleum lanaiujn. Recorded from Washington and 

 eastward to Dakota. 



Clytochrysus gracilissimus (Packard). 



Crabro gracilissimus Packard, Proc. Ent. Soc. Phila., p. 78, 1866. 



Eight females and ten males, Fox Point, Alaska, July 28. On 

 flowers of Heracleum. Recorded from Washington and eastward to 

 Dakota. 



Thyreopus vicinus (Cresson). 



Crabro vicinus Cresson, Proc. Ent. Soc. Phila., iv, p. 479, 1865. 



One female, Kukak Bay, Alaska, July 4. Recorded from Wash- 

 ington eastward to Nebraska. 



Blepharipus ater (Cresson). 



Crabro aier Ckesson, Proc. Ent. Soc. Phila., iv, p. 477, 1865. 



One female and two males, Saldovia, Alaska, July 28. On flowers 

 of Heracleum. Recorded from Washington and eastward to Maine. 



Family PEMPHREDONID^. 



Mimesa propinqua sp. no v. 



Male : Dorsal region of head closely and distinctly punctured, with- 

 out any signs of striae ; cheeks with very faint punctures ; clypeus and 

 face with a silvery gray pile ; head and thorax with long gray hair, 

 most evident on the pleurae and middle segment; clypeus obtusely 

 bidentate ; dorsulum with distinct separated punctures, striate behind ; 

 mesopleurae very delicately striated, with no evident sign of punctures ; 

 middle segment coarsely rugose-reticulate, with a triangular smooth 

 space at base, posterior surface depressed medially, the central area 

 bounded by distinct but irregular ridges; sides with indistinct and 

 father irregular striae. Color black; calcaria and tarsi testaceous. 

 Length 7 mm. 



Three males, Fox Point, Alaska, July 28. 



Type. — Cat. no. 5314, U. S. National Museum. 



This species is closely allied to Mimesa mixta Fox, which is re- 

 corded from California, Oregon, and Washington, but a comparison 



