LIST OF ILLUSTRATIONS 



xix 



PINE SAWFLY AND CATERPILLAR 



figs, i, ia, i/>, ic 



WILLOW GALL GNATS figs. 2*7, ib 



LARCH SAWFLY AND CATERPILLAR 



figs. 3, 30, 3/ 



THE BEECH Coccus fig. 4 



PINE BEETLE AND GALLERIES figs, i, ia 

 PINE WEEVILS figs. 2, 3 



GARDEN CHAFER fig. 4 



COCKCHAFER AND GRUB figs. 5, 5^ 



SUMMER CHAFER fig. 6 



GREEN ROSE CHAFER fig. 7 



HEATHER BEETLE AND GRUB figs. 8, 8a 

 ELM BARK BEETLE AND GALLERIES 



figs. 9, 9* 



"WITCH'S BROOM" ON THE WILLOW . 

 INSECT ATTACKS ON OLD OAK TIMBER 

 BIRCH TREE INJURED BY WOODPECKER 

 INJURY BY SQUIRRELS 

 GREASE BAND ON APPLE TREE 

 WINTER MOTH figs, i, ia 



GOOSEBERRY OR MAGPIE MOTH AND 



CATERPILLAR figs. 2, ia 



PITH MOTH fig. 3 



CODLING MOTH AND CATERPILLAR figs. 4, 40 

 THE VAPOURER MOTH AND CATERPILLAR 



figs. 5, 5, 5*. 



APPLE BLOSSOM WEEVIL fig. i 



APPLE SUCKER, figs. 2, ia 



WOOLLY APHIS figs. 3, 30 



MUSSEL SCALE figs. 4, 40, 4^ 



APPLE SAWFLY fig. 5 



OYSTER-SHELL BARK SCALE figs. 6, 6a 

 GOOSEBERRY SAWFLY EGGS ON LEAF fig. 7 



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