492 THE INSECT WORLD. 
Another genus of the same family is the Tenebrio (Fig. 541), 
of a blackish-brown, with the elytra striated, and of half an 

Fig. 536.—Manticora tuberculata. Fig. 537.—Pogonostoma gracilis. 
inch in length. The larvee, the well-known meal-worms, live in 

Fig. 538.—Ctenostoma rugosa. Fiz. 589.—Therates labiata. 
flour ; they are cylindrical, and of a light tawny colour (Fig. 541). 
The insect which is considered as the type of the tribe of the 
Pimelides is the Pimelia bipunctata, which is common in the south 
of France. 
