640 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



O. foraminatus De Saussure. 



Length 11-13 mm. 



Found throughout the State. New Haven (W. E. B., E. J. 

 S. M., P. L. B.) ; North Haven, Westbrook (H. L. V.) ; Windsor 

 (W. E. B.) ; Stonington (J. A. Hyslop). 



*0. nortonianus De Saussure. 

 Length 9 mm. 



Occurs throughout the State. Yalesville, 19 October, 1903 

 (H. L. v.). 



*0. collega De Saussure. 

 Length 12 mm. 



Very likely to be found throughout the State. Woodbridge, 

 25 August, 1906 (W. E. B.). 



O. anormis Say. 

 Length 11 mm. 



Occurs throughout the State. Branford, 22 August, 1904 

 (H. W. W.). 



O. pedestris De Saussure. 



Length 9-10 mm. 



All over the State. Has been taken at Double Beach, 5 July, 

 1904, on the flowers of New Jersey tea. New Haven, 27 June, 

 1902 (E. J. S. M.). 



O. pennsylvanicus De Saussure. 



Length 8-9 mm. 



Occurs all over the State, and has been taken on flowers of 

 goldenrod and Pastinaca sativa. New Haven, (W. E. B., B. H. 

 W, P. L. B., H. L. v., E.-J. S. M.) ; Branford (H. L. V., P. L. 

 B.) ; Scotland (B. H. W.) ; Sachem'j Head (H. L. V.). 

 °0. vagus De Saussure. 



VESPID^. 



This family is divisible into two subfamilies, the Vespinae 

 or monogamic social wasps, and Polybiinae or polygamic social 

 wasps. 



The Polybiinse are not represented in the northeastern 

 United States but the subfamily Vespinae is well represented 

 both in individuals and species. It is composed of social 



