402 THE INSECT WORLD. 
The larvee of these insects 
caterpillars of Lepidoptera. 

Fig. 380.—Lophyrus pini. 
before changing into pupe. 
have a striking resemblance to the 
They can only be distinguished from 
them by a great globular head, not 
hollowed out, and by their abdomi- 
nal legs, in general to the number 
of more than ten. They are called 
false caterpillars (Fig. 379). Most of 
them when touched, erect themselves 
and move about in a threatening 
manner. ‘They spin a silken cocoon 
The Lophyrus pint, which devours 
the leaves of pine trees, belongs to this family. 
