spruce bark beetle

Noun

1.

spruce bark beetle - small beetle that likes to bore through the bark of spruce trees and eat the cambrium which eventually kills the tree; "the spruce bark beetle is the major tree-killing insect pest of Alaska spruce forests" Synonyms: Dendroctonus rufipennis

bark beetle, Dendroctonus, Dendroctonus rufipennis, genus Dendroctonus