26 
THE GRASSHOPPER 
Adult grasshoppers may be found during the summer in 
meadows, flying and crawling and feeding on the leaves of 
grass, grain, and other crops. At times the numbers may 
increase to such an extent that considerable damage is done 
Figure 11. — Grasshopper Nymphs of Various Ages. 
How do they differ from the adult? 
by them. The adults mate and the females lay eggs to pro¬ 
vide for the next generation. 
11. Metamorphosis. — All animals which pass through a 
marked change in external appearance as they become full 
grown are said to undergo a metamorphosis (met-a-mor'- 
fo-sis : Greek, meta, change ; morphe, form). These 
12. — Codling Moth Larva (greatly enlarged). 
Compare this immature insect with those shown in Figure 11. 
are more marked in such insects as the ants and bees than 
in the grasshopper. For this reason we speak of two forms 
of metamorphosis — complete and incomplete. 
12. Incomplete Metamorphosis. — The newly hatched 
grasshopper, while very small, looks enough like a wingless 
