1908 



ENTOMOLOGICAL SOCIETY. 



19 



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Fig. 2.. Apple affected by Apple Maggot. 



Fig. 3. — Scolytus rugulosus: a, adult beetle; h, same in profile; c, pupa; d, larva — all 

 magnified about 10 times. (U. S. Dep't. of Agriculture). 



Fig. a. — Work of Scolytus 

 rugulosus in twig of apple — 

 natural size. (U. S. Dep't. 

 of Agriculture). 



a h 



Fig. 5 — Galleries of Scolytus rugu- 

 losus on twig under bark ; a, a, 

 main galleries; h, h, side or lar- 

 val galleries; c, c, pupal cells — 

 natural size — (after Ratzeburg, 

 from U. S. Dep't. of Agricul- 

 ture). 



