DYSL'lUltlUS. 25 



2. Striae on elytra punctured. 



A A, Marginal stria ceasing at shoulder. 



a (I, Klytra oblong ovate, with strong striae. 



lironze. Thorax broadest behind middle, rounded at 

 sides antl angles, central furrow deep ; elytra with deep 

 striae on disc and feeble ones outward, first and second 

 striae united in a depression at base, striae as deep at apex 

 as at base, and punctured on the basal half; anterior tibiae 

 very broad, the two teeth on outer-side scarcely indicated. 

 L. '1\ 1. Not connnon. D. iiitidu.s, I)ej. 



b h. Elytra elongate, with fine striae. 



Bronze. Thorax narrowed in front, central furrow fine ; 

 striae on elytra equally deep throughout, punctured until 

 beyond middle, first and second striae united in a depres- 

 sion at l>ase ; teeth on outer-side of anterior tibiae incon- 

 spicuous. L. 2 1. Not uncommon. D. jjolitus, Dej. 



13 M. Marginal stria distinctly continued on to 

 base. 



Bronze. Thorax elongate, somewhat narrowed in front, 

 central furrow fine ; elytra elongate, cylindrical, with 

 strong punctured striae, which are not much feebler toward 

 apex, the punctures small behind middle, sutural stria 

 abbreviated in front ; outer-side of anterior tibiae almost 

 without traces of teeth. L. If 1. Eare. 



D. extensus, Putz. 



XI. At least the lower ooth on outer-side of anterior 

 tibiae very distinct. 



1. Marginal stria distinctly continued on to base. 



Bronze-greenish ; under-side of head, thorax, and apex 

 of abdomen reddish. Head wrinkled ; thorax oblono- 

 scarcely narrowed in front, central furrow especially deep 

 behind ; elytra elongate, almost cylindrical, with tolerably 

 deep punctured striae, which are scarcely feebler toward 

 apex, where however the punctures are smaller, first and 

 second striae united in a depression at base ; teeth on 

 outer-side of anterior tibiae prominent. L. 1|- — 1-|- 1. liare. 



D. angustatns, Alir. 



2. ]\Iarginal stria ceasing at shoulder, or only xevj 

 feebly indicated on base. 



A A. Elytra almost cylindrical. 



