Orange Worms in Acorns: Weevil Larvae, Minimal Impact

Tiny orange worms in acorns are likely acorn weevil larvae (Curculio spp.). They feed on kernel, exit to pupate in soil.

Impact

• Parasitic but minimal effect on tree health.
• Natural enemies (parasitoid wasps) usually regulate populations.
• No treatment needed for mature oaks.

Monitoring

Watch for heavy infestations over years. Contact county extension if concerned. Maintain tree vigor with water/fertilizer.