Geranium Budworms

Pest Type: Insect

Damage to Plant: Flowers are tattered or don’t bloom. Tiny droppings appear on buds.

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Generally Affects:


Also known as tobacco budworms, these close relatives of the corn earworm burrow into buds and feed from the inside; they also chew fully opened flowers. The striped, 1/4 inch to 3/4 inch long caterpillars are greenish to tan or reddish in color; they cause problems largely in mild climates, since they can’t survive cold winters.

Life Cycle: Moths lay clusters of eggs on host plants. The caterpillars tunnel into developing buds and feed for a few weeks before pupating, usually inside the damaged buds. After emerging, the adults lay eggs that may either overwinter or hatch into a second generation.

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