508 THE INSECT WORLD. 
All vegetables, the vine, fruit trees, the ash, pines, &c., are 
eaten by some weevil. As an example we give a figure of the 
















































































































































Fig. 556.—Pissodes pini. 
spotted Pissodes pint, which, as the figure shows, takes the pre- 
caution of cutting half through the young stems and the stalks of 
the buds of the pine, “so as,” says M. Maurice Girard,* “ that 
the sap flows only with difficulty into the withered organ, and 
cannot suffocate the young larve.” 
Scolytus, Hylesinus, and Bostrichus, which are connected with 
the weevils, hollow out galleries between the wood and the 
bark of different trees, when in the larva state, and devour the 
leaves in the adult state. Fig. 557 represents the Hylesinus pini- 

Fig. 557.—Hylesinus piniperda. Fig. 558.—Larva of Scolytus. 
perda. The Scolyti are sometimes so numerous in the forests, 
that the trees are tatooed all over by the larve. In 1837, they 
* « Metamorphose des Insectes,” p. 116. 
