Emerald Ash Borer Overview

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What You Need to Know About EAB

What is it?

Emerald Ash Borer (EAB) is a highly destructive, non-native invasive beetle responsible for killing more than 100 million ash trees throughout the United States. 
Recently detected in Colorado, EAB is a threat to the more than 800 street and public area ash trees in Berthoud.

Town of Berthoud Prevention and Mitigation Efforts

  • EAB Management Plan outlines treatment procedures
  • Cost-sharing pilot program that will assist homeowners in treating and replacing ash trees located in street rights-of-ways. Begins in 2018, per the approved annual budget.
  • Deploying traps around the community to collect data in trees
  • Removing selectively chosen ash trees to lessen risk
  • Replacing removed trees with a variety of other species
  • Using other treatment resources to manage remaining ash trees in Town
  • General assessment of condition, inventoried and numbered all parks and public area rights of way ash trees
  • Community outreach and wrapping green marking tape around the trunks of some parks ash trees to bring awareness to EAB

What to Look for as a Resident

  • Determine if you have ash trees on your property
  • Sparse leaves or branches in the upper part of the tree
  • Vertical splits in the bark
  • Winding s-shaped galleries under the bark
  • Increased woodpecker activity
  • New sprouts on the lower trunk or lower branches
  • Adult EAB insects on leaves

For more information, click back to forestry/eab-information.

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