258 



THE INSECT WORLD. 



of willows and other trees. It was on this caterpillar that Lyonnet 

 made his admirable anatomical researches. 



Fig. 244. — Larva of Dicranura vinula. 



Another tribe of Bombycina comprises some very strange cater- 

 pillars, whose hindermost feet are changed into forked prolongations, 

 which they move about in a threatening manner. These sort of Hy- 



Fig. 245. — Dicranura vinula. 



traps are perhaps meant to keep at a distance those insects which 

 would lay their eggs upon the caterpillars body. Ihe caterpillars 



