Bark beetles kill trees by girdling the cambium layer

Evidence

Beetle grubs like these destroy the cambium, or life layer of the tree, and may encircle it, thus cutting off the flow of fluids up and down the trunk, and bringing death. — Vinson Brown, Reading the Woods, 559

Categorization

• XREF: connects to: Storm survival reflects species wood traits, not just tree strength — Vinson Brown, Reading the Woods: Seeing More in…, 180