520 



THE INSECT WORLD. 



The Chrysomelida are other phytophagous insects, dressed in the 

 brightest colours, having short and thickset bodies. The larvae, soft 

 and ovoid, devour the leaves of trees. One of the best known 

 species is Lina populi, of a bronzed colour, with red elytra, whose 



Fig. 562. Larva of Cerambyx heros. 



Fig. 565- Lady-bird 

 (Coccinella. septem- 

 piinctttta). 



Fig. 563. Larva of 

 Lina populi. 



Fig. 564. Larva and imago of 

 Crioceris merdigera. 



Fig. 566. Larva of the 

 Lady-bird. 



larva (Fig. 563), of a greenish grey, devours the leaves of the poplar- 

 tree. The Galeruca and the Attica belong to the same family, as 

 also do the Cassidce, the Crioceres, and the Donacia. The Cassida 

 viridis frequents nettles and artichokes ; the elytra are of rounded 

 form. Fig. 564 represents the Crioceris merdigera, a great rarity in 



