No. 22.] HYMENOPTERA OF CONNECTICUT. 625 



*D. scrobinata Rohwer, 

 Type locality; Lyme, 31 July, 1910 (A. B. C). 



D. vesta Cresson. 



Windsor, 26 July, 1905 (W. E. B.) ; Granby, 30 October, 

 1905, New Haven, 21 August, 1906 (B. H, W.). 

 °D. vierecki Rohwer, 



Ephuta Say. 



E. scrupea Say. 



Male entirely black. Female unknown. 

 Stafford, 24 August, 1905, on goldenrod (W. E. B.) ; Hart- 

 ford, 17 October, 1910 (A. B. C). 



Timulla Ashmead. 



Key to Species. 



Legs and abdomen of female black; head and thorax of male 



black hexagona 



, Legs and abdomen of female reddish; head and thorax of 



male in part reddish omativentrus 



T. hexagona Say. 



Hartford, 30 July, 6 August, 1893, Black Point, 28 July, 

 1896 (S. N. D.). 



T. ornativentris Cresson. 



New Haven, 26 Ju-ly, 1904, Hartford, 29 August, 1904 

 (H. L. v.), 10 September, 1908 (B. H. W.) 



Sphaerophthalma Blake, 



This genus has not yet been recorded from the State. It is 

 group pennsylvanica of Fox. 



PSAMMOCHARID^, 

 This family has for years been known as Pompilidse. The 

 wasps which belong to this group are very active, and most of 

 them nest in the ground, provisioning their nests with spiders. 

 Some few of these insects are supposed to be parasitic. Recently 

 Nathan Banks * has proposed a classification for these insects 

 and given tables for many of the species. The following keys 

 are adapted from his classification, 



* Journ. N. Y. Ent. Soc. vol. 19. 1911, pp. 219-237. 

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