Pest Guides

Bark Beetles

Family Scolytidae


Image of Bark Beetle [Family Scolytidae] | Ehrlich Pest Control
  • Adults – 1/4" long. Mostly all black and have rust coloured wing covers.
  • Larvae – 1/4" long. Creamy white, cylindrical, head is pale tan / rusty colour.


  • Males join the females and each pair construct an egg gallery under the bark, parallel to the grain.
  • The sapwood is inoculated with spores of a blue stain fungus as the egg gallery is built.
  • Larvae hatch, pupate and develop into adults under the bark.


  • They are common pests of conifers and some attack broadleaf trees.
  • Several hundred species are known.

Free Pest Inspection

Contact your Local Office