North American Hymenopera. 237 



11. C. nuncius. Black; abdomen excepting the base 



and tip rufous. 



Inhabits Pennsylvania. 



B 



orax 



two impressed lines: wings hyaline; nervures brown; 

 stigma rather slender ; second cubital cellule rather large, 

 pentagonal, the two angles on the radial nervure nearly 

 rectanc^ular; recurrent nervures almost rectilinear: ter- 

 gxim, basal segment wholly or in part black; second, 

 third and generally half of the fourth rufous or honey- 

 yellow ; remaining segments black : oviduct nearly half 



^ h of the abdomen : /eei honey-yellow ; posterior 

 pair of "tibis at tip and knees black ; posterior tarsi pale 



yellowish. 



Length about two fifths of an inch. 



I obtained many specimens from the larva of Attacus 

 jiromethea, Linn, several years ago. 



12. C. subclavatus. Black; antennae subclavate, at 



base and feet honey-yellow. 



Inhabits United States. 



Body black : aniennce on the basal half piceous or 

 dark honey-yellow, dilating gradually towards the tip, 

 terminal half dusky or black ; first joint robust : thorax 

 depressed on the posterior disk, in which are longitudin- 

 ally confluent punctures ; a slightly elevated line before 

 the bi-foveolate scutellar groove : wings, radial cellule 

 rather wide and short ; cubital cellule pentangular, sides 

 subequal, angles at the radial cellule nearly rectangular: 

 aMomen ? oval, honey-yellow, dusky or blackish at base 

 and tip : oviduct nearly half the length of the abdomen : 



feet honey-yellow. 



Length under one fifth of an inch. 



