SYNONYMS. 



Opatrum bifurcum. Fahr. Supp. p. 40. 

 Opatrum cornutum. Panz. Faun. Amer. Bor. 



Prodr. pi. 1, fig. 5, a b, and fig. 6, a b. 

 BoLETOPHAGus coRNUTUs. Fabr. Syst. Eleuth. 



vol. i. p. 112. Schonh. Syn. vol. i. p. 120. 

 Eledona cornuta. Latr. Hist. Nat. Crust. 



et Ins. vol. X. p. 312. 



description. 



Body brown : head with a few small tuber- 

 cles ; and on the anterior edge an elevated, 

 double, acute horn : thorax irregularly granu- 

 lated, with two prominent, porrect, incurved 

 horns, slightly dilated at tip, hairy beneath, 

 and rather longer than the head ; lateral edge 

 denticulated : elytra with elevated, abbreviated 

 lines and tubercles; at tip somewhat abruptly 

 deflected. 



Female, destitute of the elevated double horn 

 on the anterior edge of the clypeus : thorax with 

 two elevated tubercles, vertical and truncated. 



plate 51. 



