ORDER XIII. TRICHOPTERA. 



PHRYGANEID.^i. 



The caddis- flies and their larvae, the caddis- or case- 

 worms, are very instructive. The latter can be kept 

 in aquaria, and their habits afford much enjoyment 

 to young people. Anabolia (Fig. 124) is a common 



Fig. 124. 



genus. In its general characteristics it resembles the 

 more generalized Lepidoptera, so that it is often called 

 a moth. The body is long and hairy ; the head small, 

 with widely separated eyes. The three thoracic rings 

 (Fig. 124, //, //', //") are distinct, the mesothorax 

 17S 



