<f 



\ 



; North American Hymenoptera. 



403 



ticularly the posterior pair have more black than those of 



the female. 



Var. Abdomen rufouSj immaculate. 



EpeoluSj Latr. 



E. fumipennis. Black ; thorax bi-hneate, ferruginous 



all around. 



Inhab. Mexico. 



Body densely punctured, black : head carinate between 

 the antennae : antennce honey-yellow at base, beneath : 

 labrum with an obsolete, minute, ferruginous dot each 

 side : mandibles honey-yellow at base : thorax with two ' 

 slender whitish abbreviated lines and whitish lateral edge: 

 collar with a ferruginous disk, contracted in the middle ; 

 a ferruginous dot before the wings: wing-scale and scutel 

 ferruginous : wings fuliginous : tergum^ first and second 

 segments wdth a yellow band, the first broader and widely 

 interrupted; remaining segments with a whitish band, the 

 last segment with the addition of an obscure rufous terminal 

 margin : tibict and tarsi honey-yellow. 



Length three tenths of an inch. 



The lundtus, Nob. also has a bi-lineated thorax, but it 

 is a larger species, has a whitish spot around the base of 

 the antennae ; lunated spot at base each side of the tergum, 

 &£c. Smaller than mercdtus, F. and scutelldris^ Nob. 



Macrocera, Latr. 



1. M. obliqua. ^ Thorax with yellowish hair; ter- 

 gum fasciate, second segment with an obhque band. 

 Inhab. Indiana. 

 Body black : head and stethidium with long, dull yel- 



i 



