^ 



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258 Say^s Descriptions of 



wings hyaline ; stigma elongated, slender ; second cubital 

 cellule elonfjated, bavino; the nervure from the stigma in- 

 serted at about one third its len^rth : abdomen short: 



feet 



dusky 



towards their tips. 



Length less than one twentieth of an inch. 



The second cubital cellule is elon^rated, but the de- 

 scending nervure from the stigma is inserted considerably 

 behind the middle. 



ftt Separating nervure between the radial and cubital cellules^ 



teclivate. 



ToSONEUROjr. 



V 



15. B. viator. Sanguineous; antennae^ vertex, wings 

 and pectus black. 



Inhabits Indiana. 



Body rather pale sanguineous : antenncey vertex and 

 dilated frontal spot, part of the hypostoma and mouth, 

 black ; thorax with indented lines ; a black spot on the 

 middle sometimes obsolete or wanting : metathorax be- 

 hind black : wings blackish-fuliginous ; nervures robust, 

 black ; stigma and costal nervure honey-yellow : jjleura, 

 pectus and coxce black ; the former sai 

 wings : tarsi at tip blackish : abdomen depressed. 



Length one fourth of an inch. 



This species and the following differ from the type of 

 the genus Bracon in the form of the radial and third 

 cubital cellules, in consequence of the arcuation of the 

 separating nervure. 



It is much like popuJator^ Nob., but among other char- 

 acters it may be distinguished by the yellowish carpal 



spot and costal nervure, which are always black in the 

 populator. 



16. B. populdtor, Nob. Long's Exp. to St. Peters, 

 Appendix, p. 323. belonp-s tn thic c„hri;vUlr.n 



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