IPS Bark Pine Beetles (Engraver Beetle) Control & Management

These beetles are classified as borers. Both adults and larvae tunnel into (or engrave) the vascular tissue (phloem) that carries nutrients just under the bark. All stressed trees are vulnerable to attack and should be examined for signs of beetle activity. Here’s how to control and manage IPS engraver beetle infestations.
Several species of IPS bark beetles (also called engraver beetles) primarily attack both pine and spruce trees. Adults are about the size of a dull pencil point and vary in color from brown to black.

Region 10 - Forest & Grassland Health

Bark Beetles SpringerLink

Has my Ponderosa pine been attacked by the Ips engraver? I have about 30 trees that have these holes. What should I do? : r/forestry

Pine Engraver Beetles NC State Extension Publications

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How To Identify Bark Beetles: Identification and Prevention

Bark beetle - Wikipedia

Manage Forests and Land EVIDENCE OF BEETLE ATTACKS TFS

Ips beetles - Integrated Pest Management