Emerald Ash Borer (EAB)

AdultS: 1/3-1/2 inch long, 1/8 INCH WIDE, metallic olive to emerald green; active MAY-AUGUST; LARVAE cause damage to ash trees by eating tissue below the bark.

EAB Task Force

The EAB taskforce meets virtually on the 2nd Tuesday of the month from 1-2pm. Please email the OISC Coordinator for an invitation to join the meeting and learn more about the status of EAB management in the state.


2025

  • April 8, 2025 - Transcript

  • March 11, 2025 - [no transcript available]

  • February 11, 2025 - Transcript

  • January 14, 2025 - Transcript
    Special Presentation from Ryan Nord (PSU): Vegetation Inventory of Bottomland Riparian Forests in the Tualatin River Basin [external video link]


2024


2023


2022


Other Insect Pest Species of Concern