https://treehealth.wsu.edu/2026/05/14/new-management-guide-released-washington-state-emerald-ash-borer-resources-and-management-guide/https://treehealth.wsu.edu/2026/05/04/equitable-urban-forest-internship-applications-open/https://treehealth.wsu.edu/2022/06/30/emerald-ash-borer-detected-in-oregon/https://treehealth.wsu.edu/2023/12/06/oregon-eab-quarantine-takes-effect/https://treehealth.wsu.edu/2024/04/01/emerald-ash-borer-confirmed-in-vancouver-british-columbia/https://treehealth.wsu.edu/2025/07/07/british-columbia-expands-eab-regulated-areas/