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PAGE 



with Midland Counties shaded. Frontispiece . 



Roots attacked by Root-knot Eelworm. . . 4 



Large Witches Broom formed by Eriophyes 



rudis. . . . . . . . . . . 8 



Silver Birch at King's Heath, with Witches 



Brooms. . . . . . . . . . . 9 



Shoot of Cox's Pomona Apple with mites in 



the buds. . . . . . . . . 10 



The Apple Sucker (Psylla mail). . . . . 14 



The Mussel Scale (Mytilaspis pomonmi). . . 18 



The Apple Blossom Weevil (Anthonomus 



pomorum). . . . . . . 22 



The Plum Bark Beetle (Scolytus rugulosus). . . 24 



Branch of Plum Tree, showing damage to 



wood by Plum Bark Beetle. . . . . 25 



Large White Cabbage Butterfly. . . . . 26 



Small White Cabbage Butterfly 26 



The Currant Clearwing Moth. . . . . 27 



Ash tree recently attacked by Goat Moth. . . 28 



Portion of Ash tree attacked by Goat Moth . . 29 



Lower portion of the same tree (enlarged). . . 30 



Portion of Ash tree with larva in situ. . . 31 



The Winter Moth (Cheimatobia brumata}. . . 33 



The Great Winter Moth (Hibernia defoliariu) 33 



The Great Yellow Underwing Moth. . . 37 



Larvae in roots. . . . . . . 37 



Larvae of Great Yellow Underwing Moth. . . 38 



The Codling Moth (Carpocapsa pomonella). . . 40 



The Pear Midge (Diplosis pyrivora}. . . 45 



47 



The Common Crane Fly (Tipula olcracca]. . . 50 



Eggs of the Gooseberry Sawfly. . . 55 



