LOCUSTIDA ACRYDIADiE. 251 



DESCRIPTION. 



Body cinereous sprinkled with black dots or punctures, and indistinct spots. Head punctured ; 

 palpi white at the tip ; mandibles piceous ; antennas shorter than the trunk, pale, black at the tip 

 and longitudinally concavo-convex : prothorax with an entire longitudinal dorsal ridge, wrinkled, and 

 warty from the wrinkles : tegmina with a reddish tint, irregularly reticulated ; wings with a black 

 mesal band, and reddish-yellow nervures : abdomen pale underneath. 



The species of this genus, which admits of numerous subdivisions from the structure and charac- 

 ters of the thorax, are very numerous in most countries, though very little known. Probably they 

 may amount to hundreds. 



Family ACRYDIAD^. Aery diadems. 



CXLII. Genus ACRYDIUM. Fab. 



(346) 1. Acrydium granulatum. Granulated Acrydium. 



A. (granulatum J cinereum nigro obscure nebulosum.; corpore toto punctulis elevatis albidis granulatum; prothorace abdomine 



longiori tricarinato ; tibiis rufo-testaceis, albido obscure fasciatis. 

 Granulated Acrydium, cinereous, obscurely clouded with black, with the whole body granulated with very minute elevated 



whitish points : prothorax longer than the abdomen, three-ridged ; shanks reddish obscurely banded with white. 



Length of the body o lines. 



A single specimen taken in Lat. 65°. 



DESCRIPTION. 



Body black, sprinkled with numberless very minute elevated points or granules. Prothorax cine- 

 reous, clouded obscurely with black, three-ridged ; with middle ridge straight, and the lateral ones 

 curved at the base : rudiments of the tegmina cinereous, ridged, punctured with excavated punc- 

 tures : nervures of the wings black, those of the costal area white : the four anterior tibiae are 

 reddish obscurely banded or rather annulated with white. 



N. B. The hind legs are wanting in the specimen. 



This species belongs to Mr. Stephens's family A. 



2 K 2 



