NatureServe:
Emerald ash borer
NatureServe:
Evidence of emerald ash borer
NatureServe:
Dutch elm disease
NatureServe:
Elm yellows / Elm phloem necrosis
NatureServe:
Viburnum leaf beetle
NatureServe:
Viburnum leaf beetle
NatureServe:
Gypsy moth caterpillars
NatureServe:
Gypsy moth
NatureServe:
A long-horned beetle
NatureServe:
Beech bark disease
NatureServe:
Dogwood anthracnose
NatureServe:
Dogwood anthracnose
NatureServe:
Off-limits to deer