EXPLANATION OF PLATE XXXV. 



Fig. i. — Root of blackberry showing the ravages of the larva of Bembecia marginata. 



Fig. 2. — Trunk of alder showing injury by the larvae of Sesia americana. 



Fig. 3. — Trunk of pear showing the galleries in the bark, made by the larvae of Sesia pyri. 



Fig. 4. — Branch of willow showing the borings made by a larva of Sesia bolteri. 



Fig. 5. — Trunk of dogwood mined by the larvae of Sesia scitula. 



