PLATE CCCLXVIIT. 
The male of this fpecies is fufficiently diftinguifhed by the ereé 
horn on the anterior part of the head, the female being deftitute 
of this character: in other refpects they nearly correfpond. Both fexes 
are reprefented in their natural fize on the oppofite plate. Lives in 
the trunks of trees. Inhabits various parts of Europe. 
24 
PLATE 
