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Coleoptera (beetles, weevils) 38 



The round-headed apple tree-borer 39 



The flat-headed apple tree-borer 40 



The sinuate pear-borer 40 



The fruit-tree bark-beetle 42 



The apple twig-borer 43 



Acarina (mites) 43 



The pear-leaf blister-mite : 43 



Insects infesting fruits 45 



