NH is facing a major threat to the health of our forest and landscape trees from exotic invasive insects. These invaders include the Asian longhorned beetle (ALB), emerald ash borer (EAB), hemlock woolly adelgid (HWA), and elongate hemlock scale (EHS). This guide helps growers and consumers become aware of which trees are susceptible to future infestation by these devastating insects and guides them in the selection of non-sussceptible landscape and street trees.
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