pest_control
Blueberry Maggot on Blueberry Highbush
How to identify and get rid of blueberry maggot on Blueberry Highbush. Size: 6mm (fly), 6–8mm (larva).
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Identifying blueberry maggot on Blueberry Highbush
Small black fly with banded wings; white legless larvae found inside ripening blueberries.
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Life cycle
Adults emerge in early summer, lay eggs under fruit skin; larvae develop inside berries then drop to soil to pupate and overwinter.
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Damage to Blueberry Highbush
Larvae feed inside fruit, causing soft, collapsed berries unfit for harvest; infestation often invisible until fruit is cut open.
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How to treat blueberry maggot on Blueberry Highbush
Use sticky traps to monitor and mass-trap adults. Apply spinosad-based sprays timed to adult emergence. Remove and destroy infested fruit.
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Preventing blueberry maggot on Blueberry Highbush
Rake and dispose of fallen fruit and mulch beneath bushes to disrupt pupae overwintering in soil.