THE LEPIDOPTERA 



235 



The work of borers of this group is often evidenced by fine chips, excrement 

 or frass pushed out of the entrances to the tunnels; by wilted leaves; by tunnels 



f 



FIG. 228. Adult female (left) and male (right) of the Leopard Moth (Zeuzera pyrina L.) 

 about natural size. (From Britton, Eleventh Kept, Ent. Conn. Agr. Exp. Sta. 1911.) 



FIG. 229. Larva of Leopard Moth in its burrow. Natural size. (From Britton, Eleventh 

 Rept. Ent. Conn. Agr. Exp. Sta. 1911.) 



in fallen branches, and by splits and breaks in the bark when the larvae work just 

 beneath it. 



