North American Hymenojptera. 



277 



large and truncated : sciitel with two small spines at tip : 

 metatliorax with a small spine or tubercle each side ; 

 tergum depressed, with numerous close-set eno-raved 



ous : thighs blackish. 



feet 



Length more than one tenth of an inch. 



A very distinct species. 



2. C. stigmatus. Lateral margin of the tergum ex- 

 tending beyond the abdomen. 



Inhabits Indiana. 



Body black, minutely punctured : anteniifEj first joint 



equal to the four following joints taken together : thorax^ 



anterior segment with the three impressed lines distinct : 



wings hyahne ; stigma large, semi-orbicular, brown ; nerv- 



ure of the incomplete radial cellule robust, brown, hardly 



longer than the stigma; tergum polished, slightly lineated 



at base ; the segments extending each side beyond those 



of the venter ; anterior and intermediate tilice and tarsi 

 piceous. 



Length over one twentieth of an inch. 



These two species belong to the second division of 

 Jurine's Cebaphron. 



Proctotrupes, Latr. 



I. 



1. P, 'ohsoUtus. Black; feet and antennae honey- 

 yellow. 



Inhabits Indiana. 



Body polished, black: antemicc honey-yellow, sim- 

 ple : pal/pi white : thorax with a yellowish wang-scale : 

 wings hyaline ; nervure from the radial cellule continued 

 to the middle of the wing ; discoidal and anal nervures 

 hardly distinct ; feet honey-yellow : oviduct about as 



