No. 22.] HYMENOPTERA OF CONNECTICUT. 671 



C. (C.) cribrellifer Packard. 

 C. (C.) monticola Packard. 

 C. (C.) provancheri Fox. 

 C. (C.) latipes Smith. 



C. (C.) aequalis Fox. 



New Haven, 3 August, 1905 (H. L. V.). 



C. (C.) argus Packard. 



West Haven, 27 to 29 June, 1905 (H. L. V., W. E. B.). 



Subgenus Blepharipus LePeletier. 

 No species of this genus has yet been recorded from the State 

 but the following two may be looked for : 



Key to Species. 



Pronotum and scutellum yellow impressifrons 



Thorax entirely black nigricornis 



C. (B.) impressifrons Smith. 

 C. (B.) nigricornis Provancher. 



Subgenus Crossocerus LePeletier. 

 As yet this genus has not been definitely recorded from Con- 

 necticut, but the following three species may be found there. The 

 males of the following species are not described. 



Key to Species. 



1. Mandibles in greatest part yellow; scutellum black; convex- 



ities of dorsal aspect of propodeum opaque, with five 



striations minimus 



Mandibles, except apices, black 2 



2. Scutellum black; basal third of intermediate tibiae yellow; 



two yellow spots on pronotum sulcus 



Scutellum mostly yellow; intermediate tibiae yellow exte- 

 riorly; a yellow band on pronotum lentus 



C. (C.) minimus Packard. 

 C. (C.) sulcus Fox. 

 C. (C.) lentus Fox. 



Philanthinse. 

 As used here, the subfamily Philanthinse includes only the 

 Philanthinse of Ashmead's classification, or the genus Philanthus 



