PLATE 39. BORERS. 



Bronze Birch Borer, Galleries in inner bark of White Birch made by larvae (about '. natural size). 

 2. Life History of Sugar Maple Borer (about l -j natural size). A, Larva. B, Adult male. C, 

 Adult female. D, Galleries made by larvae. 3. Life History of Leopard Moth (about * natural 

 size). A, Larva. B, Pupa. C, Adult male. D, Adult female. E and F, Galleries made by larvae. 

 4. Life History of Maple Tree Sesiid (about V natural size). A, Larva. B, Pupa. C, Adult 

 male. D, Adult female. E, Galleries made by larvae. 



