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Identifying capsid bugs on Forsythia
Fast-moving, pale green to brown oval bugs with long antennae, found on young shoots and leaves.
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Life cycle
Overwinter as eggs in bark crevices; nymphs emerge in spring and feed through summer; two generations per year.
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Damage to Forsythia
Feeding punctures leaves and buds, causing distorted growth, tattered holes, and brown-edged tears as tissue expands.
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How to treat capsid bugs on Forsythia
Spray insecticidal soap while nymphs are active. Remove overwintering debris near affected plants.
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Preventing capsid bugs on Forsythia
Encourage predatory insects and keep hedges and shrub bases free of debris where eggs overwinter.