Skip to Main navigation Skip to Left navigation Skip to Main content Skip to Footer

University of Minnesota Extension

Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous Trees > Oak > Holes in acorns

Print Icon Email Icon Share Icon

Oak > Acorns > Holes in acorns

1 of 1
  • Image: Acorn weevil 1
  • Image: Acorn weevil 2
  • Image: Acorn weevil 3

Acorn weevil
Curculio spp.

  • Round, pin-head sized holes drilled into acorn surface
  • Adults ¼ inch in length with brown, hard body; long curved snout that is as long or longer than the body
  • Damage seen in August and September
  • More information on Acorn weevil...

Don't see what you're looking for?

  • © Regents of the University of Minnesota. All rights reserved.
  • The University of Minnesota is an equal opportunity educator and employer. Privacy