1. Home
  2. Question and Answer
  3. Houseplants
  4. Garden Articles
  5. Most Popular Plants
  6. Plant Nutrition

Pine Beetle Pitch Tubes: Identify the Borer

Resin masses (pitch tubes) signal pine beetle attack. Three culprits: Ips (lower trunk), turpentine beetle (lower trunk), Southern pine beetle (any limb >3″). Green needles mean the tree is fighting back. No insecticide works; water during drought to boost sap defense.

pine beetle pitch tubes

pine beetle pitch tubes

Black Turpentine Beetle (photo courtesy of Lyle Collins, Southerntrillium.com)

Copyright © www.100flowers.win Botanic Garden All Rights Reserved