Bui. 68, Bureau of Entomology, U. S. Dept, of Agriculture. 



Plate III. 



Stages and Work of Spring Canker-worm i Paleacrita vernata Peck\ 



Fisr 1 — Kus mass on hurk scale. Fis. _'.— Tlie larv;i' or cankor-worms. Vig. S.-rui«'. 



^ '^^ic; 4 -P^ii a e moths. V\g. .x-Male moth. ¥ig. 6.-\Vork ol .■anker-worins on apple 

 lel;-es when small. Vig. 7.-Later work of tlu- larva, only the nn.lnbs ol leaves being 

 left. Figs, l-i, considerably enlarged: tigs, ti, 7, reduced. (.Original.) 



