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Ministry of Agriculture, Food and Rural Affairs

insect Identification Key

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Burrowing holes in the trunk associated with a brownish red sawdust like frass. Cutting underneath the frass should reveal a larva.
Shot hole like punctures (1 mm) through the bark on the twigs on fruit trees. Often found above a bud or other projection.
Tunnelling under the bark causing depressions in the wood; injured sections are sunken and dark in colour.
Twigs are covered in egg masses.
Small dark brown scales cluster on bark.