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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 >Raspberry fruitworm larvae

Raspberry fruitworm larva
Photo Credit: Arthur Antonelli, Washington State Univ

Raspberry fruitworm larvae
Byturus spp.
Size: Up to ½ inch long

Where/When: Consumes immature raspberries. The larva is active from late May to early July.

Significance: The larva feeds within the fruit.  Fruits drop before harvest.
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