COLUOPtERA. 



469 



Fig. 4S3-— Chiasognathus Grantii. 



thoracica (Fig. 456), climb trees and attack caterpillars. It seems 

 certain that the larva of the Silpha obscura does a great deal of 

 damage to beet-root, whose leaves it devours. The Necrodes come very 

 near to the Silphce. They are distinguished from them by having the 



