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Pear leaf-curling midge
An occasional pest for those producing pear trees, the
pear leaf-curling midge, Dasineura pyri, causes damage to pear
leaves which is generally seen during the summer months. So far, reports
of damage have been on fruiting pear varieties.
Similar to other leaf galling midges, pear leaf-curling
midge oviposits eggs on new growth. Eggs hatch and the developing larvae
feed causing the leaves to form folds or galls alongside their outer edge
which blacken. The larvae pupate in the fold galls or drop to the ground.
There are thought to be three-six generations per year.
More information and images can be found at this European
website: HYPP Zoology: pear
leaf-curling midge
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