Acorn Weevil Larva
Scientific Name: Curculio glandium
Order & Family: Coleoptera: Curculionidae
Size: 5 to 10 mm in length
Natural Habitat
Found inside acorns of oak trees across temperate regions.
Diet & Feeding
The larva feeds on the internal nutmeat of acorns, consuming the starch-rich tissue.
Behavior Patterns
Larvae hatch from eggs laid inside young acorns; once the acorn falls, the larva bores a hole to exit and burrows into the soil to pupate.
Risks & Benefits
They are agricultural pests to nut production but serve as a significant food source for birds, squirrels, and other small mammals.
Identified on: 5/30/2026