170 Mr. Curtis's Descriptions of 



aware that it has been described, I have subjoined the characters. It is a 

 member of the genus Opatrum, and I doubt not that it lives in sandy situ- 

 ations. 



Family Tenebrionid^e. 



130. Epitragus .eneobrunneus, Curt. 



Ferrugineus, seneo-tinctus, undique punctatus, capite punctatissimo, elytris 



minute striuto-punetatis. 

 Length 4 lines, breadth If. 



Light ferruginous, with a brassy-green tinge, shining ; mandibles blackish, punctured : cly- 

 peus and head coarsely and thickly punctured: thorax a little transverse, semiovate, 

 emarginate in front, base lobed in the centre, thickly and strongly punctured : elytra 

 broader and thrice as long, apex conic, punctured, with 8 indistinct punctured lines on 

 each : underside thickly punctured; sides and legs castaneous. 



A single specimen from Rio Janeiro. 



* 131. Epitragus semicastaneus, Curt, 



Castaneus, minute punctatissimus, capite thoraceque piceis, elytris inconspicue 



punctato-striatis. 

 Length 3| lines, breadth 1$. 



Pale chestnut, with a very faint greenish cast : head and thorax piceous, very thickly and 

 strongly punctured, the latter slightly transverse, the sides very convex, especially an- 

 teriorly, with a fine shining line down the back, free from punctures : elytra punctured, 

 scabrose at the base, the shoulders smooth, each with 8 very indistinct punctured striae : 

 underside of thorax strongly punctured ; abdomen very shining and finely but sparingly 

 punctured : trophi, antennae and legs light ferruginous. 



A pair from Gorrite. 



Mr. A. Mathews bred a species of Epitragus from cocoons which he found 

 buried in the earth at Lima ; and when the beetles were first hatched, they 

 were covered with a grey powder, and many specimens are partially so when 

 we receive them. 



Family Helopid^;. 

 *132. Cymatothes undatus. 

 Helops undatus, Fabr. Oliv. Entom. vol. iii. gen . 58. pi. 2. f. 4. 

 From Rio Janeiro. 



