1. Small beetle that likes to bore through the bark of spruce trees and eat the cambium which eventually kills the tree
   "the spruce bark beetle is the major tree-killing insect pest of Alaska spruce forests";
   - Dendroctonus rufipennis

Derived forms: spruce bark beetles

Type of: bark beetle

Part of: Dendroctonus, genus Dendroctonus

Encyclopedia: Spruce bark beetle