Verified evidence guide

Wood-boring Holes

Small exit or entry holes in wood that may indicate insects or other causes.

Information from Pest Or Not Evidence Knowledge Database

What it may look like

  • Round or oval holes
  • Possible fresh dust or frass below

What to check next

  • Measure hole diameter
  • Inspect debris and wood above

Photos that can improve identification

  • Hole beside a ruler
  • Full wood member

Recommended direction

  • Identify the source before treatment
  • Assess structural extent

Prevention

  • Protect exposed wood
  • Keep wood dry
Identify evidence from a photo