Hemlock woolly adelgid
Adelges tsugae
入侵概述
A sap-feeding insect that infests hemlock trees and is recognizable by white woolly egg sacs.
已知影响
Causes hemlock decline and mortality, affecting stream shade, wildlife habitat, and forest structure.
治理建议
Management includes surveys, biological control, systemic insecticides, and limiting movement of infested nursery stock.
原生范围
East Asia
已报告地区
- CA - 40 个公开点位
- US - 40 个公开点位