246 Say^s Descriptions of 



orax 



1 

 \ 



the scutel and dot each side at tip yellow; tergum 

 slightly tinged with violaceous, particularly towards the 

 tip ; posterior margins of the segments yellow, excepting 

 the second and sixth, of which the former has the lateral 

 angle obscurely yellow : feet, anterior pairs honey-yel- 

 low ; the thighs black behind ; posterior pair black, the 

 thighs yellow at base. 



Length about seven tenths of an inch. 



i Basal joint of the antennae beneath whitish : frontal 

 escutcheon on Its lateral and basal margins, extending a 

 short distance upon the orbit, yellow: dilated joint of 

 the palpi dull whitish : metathorax with a yellow spot 

 near the posterior coxas : coxae and knees honey-yellow. 



o 



an 



The female was presented to me several years ago by 



Mr. Lesueur, who obtained it in the neighborhood of 



Philadelphia. It is much like P. necatorius, Fabr. but 



is considerably larger, and that species is destitute of 



spots on the metathorax, and its posterior tibiee are 

 yellow. 



The male was taken by myself in Indiana. 



and 



Banchus, Fabr. 



1. B. nervulus. Black; anterior pairs of feet 

 posterior tarsi yellow. 



Inhabits Indiana. 



Body black : mandibles polished at tip : tongue rather 

 prominent: wings dark violaceo-fuliginous ; nervures 

 blackish ; stigma honey-yellow ; second cubital cellule 

 quadrangular, attached to the radial cellule by a slightly 

 petiolated angle ; first recurrent nervure with a nrnminent 



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