SYNONYM. 



Beaps acuta. Nobis. Journ. Acad. Nat. Sciences, 

 vol. iii. p. 258. 



DESCRIPTION. 



Body blackish, punctured: head with larger 

 punctures than those of the thorax : antennse as 

 in the preceding species : labrum prominent, 

 emarginate, with short yellow hairs at tip : thorax 

 subquadrate; anterior edge concave; punctures 

 minute, separate ; lateral margin not reflected ; 

 lateral edge regularly arquated, a little excurved 

 at base ; posterior edge nearly rectilinear : scutet 

 impunctured : elytra grooved ; the four sutural 

 grooves with a single series of elevated points ; 

 interstitial lines with about one series of distant 

 punctures ; sutural margin obsoletely reddish- 

 brown ; exterior edge acute : epipleura obsoletely 

 grooved, scabrous, punctured, and from the base 

 to near the middle tinged with reddish-brown : 

 anterior thighs dilated, and armed with a promi- 

 nent spine near the tip. 



Length nearly one inch and one-fifth. 



PLATE XVI. 



