EXPLANATION OF PLATE I. 



Sucking Insects*and*their Injuries. 



Fig. 1 — Work of Woolly Aphis on apple twigs. 



Fig. 2— " " " " Elm leaves. 



Fig. 3 — Injury to young apple leaves by nymphs of the Green Apple Bug. 



Fig. 4 — Twig punctures of Green Apple Bug. 



Fig. 5 — "Gnarls" caused by Rosy Aphis. 



Fig. 6 — Twig Curl caused by Green Aphids. 



Fig. 7 — Eggs of Green Aphis. 



Fig. 8 — Tip of Twig covered by Green Aphis. 



Fig. 9 — Green Apple Bug, fifth stage nymph, and an injured pear. 



Fig. 10 — Plum injured by Green Apple Bug. 



Fig. 11 — Mature apple leaf injured when young by Green Apple Bug.held to light. 



Fig. 12 — Apple distorted by work of Green Apple Bug. 



