TENEBRIO. TENEBRIO. 



Generic Character. 



Antenna moniliformes, ar- 

 ticulo ultimo subrotimdo. 



Thorax piano - convexus, 

 marginatus. 



Caput exsertum. Elytra 

 rigidiuscula. 



Antenna moniliform, with 

 the last joint rounded. 



Thorax plano-convex, mar- 

 gined. 



Head exserted. Wing- 

 sheaths stiffisb. 



I 



N this genus the body is oblong-oval, and in 

 most species somewhat pointed at the extremity: 

 it may be observed also that several species are 

 destitute of wings. Among the European Tene- 

 briones one of the most remarkable is the Tenebrio 

 mortisagus, a coal-black insect measuring about 

 an inch in length, of rather slow motion, and dis- 

 tinguished by the remarkably pointed appearance 

 of the wing-sheaths, which at their extremities 

 project a little beyond the abdomen: they are 

 also perfectly connate or undivided, forming a 

 complete covering to the body, and being carried 

 over the sides to some distance beneath, and the 

 insect is totally destitute of real or under wings. 

 It is usually found in dark neglected places, 

 beneath boards, in cellars, &c. and if handled, and 



