THE ToKXEUTlDKS. 



237 



antennee of the female being quite plain and simple. In conse- 

 quence of this dissimilarity, the two sexes have such a different 

 aspect that tliey have been called by separate names, being 

 thought to belong to two distinct species. Even the appearance 

 of the surface differs in the two sexes, that of the female being 

 more boldly punctured than in the opposite sex. 



The colour of our present species is black, but the whole 

 upper surface is covered with yellow hair-like scales sprinkled 

 rather sparingly on the thorax, but set so thickly upon the elytra 

 that their real colour is not to be seen except in ]ilaces where 



Pig. lV2.--PhcEiiii''nrprus Dejeaiiii. 

 (Black, covered with yellow down) 



they have been rubbed off" by ill-usage. The whole of the sur- 

 face is very deeply punctured, so deeply, indeed, that even 

 through the covering of scales the punctures are plainly visible. 

 The tips of the elytra are boldly scooped. If the antenntB be 

 carefully examined, it will be seen that each of the joints, except 

 that at the base, is furnished with a long, narrow, flattened 

 appendage, so that there are ten of these curious objects on each 

 of the antennae. 



This insect, although perhaps, on the whole, the best example 

 of the Torneutides, is not the largest. This is Torncutcs palli- 

 diiornis, a native of Uruguay, the head and thorax of wliich are 



