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Extension > Garden > Diagnose a problem > What insect is this? > Garden Pests > Caterpillars, maggots, grubs, and similar immature insects - Under than 1/4 inch long > Codling moth larva

Codling moth larva
Photo Credit: Clemson University - USDA Cooperative Extension Slide Series Codling moth larva
Photo Credit: Whitney Cranshaw, CSU, Bugwood.org

Codling moth larva
Cydia pomonella
Size: ½ inch long

Where/When: Pest of apples and also pears and crabapple. The larva tunnels through and eats the fruit and seeds. The larva is active May through August.

Significance: Damage is caused by entry to the fruits; frass may accumulate around the entry hole. Sometimes infestation may spread through an entire orchard.
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