THE DEVELOPMENT OF INSECTS 



33 



Larvce are of the most varied forms. Butterfly or 

 moth larvae are called caterpillars and have false legs on 



i 



FIG. 19. Pupae of the House-fly. Slightly enlarged. 



the abdomen. Fly larvae, larvae of snout-beetles and most 

 Hymenopterous larvae are footless. Ordinary beetle larvae 

 have usually the three pairs of true legs. 



FIG. 20. Larvae of the Mourning-cloak Butterfly. 



Many larvae will not be identified, even to the order, 

 by the beginning student, but close observation will soon 

 enable one to recognize the more common forms. 



