PLATE 39.— BORERS. 



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

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

 Adult female. D. Galleries made by larvae. 3. Life History of Leopard Moth (about 7 natural 

 size). A, Larva, B, Pupa, C, Adult male. D, Adult female. E and F. Galleries made by lar\-£e. 

 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 lar\'^e. 



