EXPLANATION OF PLATE XXXVI. 



Fig. i.— Section of trunk of ash showing the tunnels made by the larvse of Podosesia syringce. 

 Fig. 2. — Trunk of maple affected by the larvae of Sesia acerni. 



Fig. 3. — Lower part of trunk of peach showing injury done by the larvae of Sanninoidea exitiosa. 

 Fig. 4.— Roots of virgin's-bower {Clematis virginiana) affected by the larvae of Alcathoe caudata. 



