Dutch Elm Disease (DED)

Fungus (Ophiostoma novo-ulmi and Ophiostoma ulmi), spread by elm bark beetles

Oak Wilt

Fungus (Bretziella fagacearum), spread by beetles and root grafts

Emerald Ash Borer (EAB) Infestation & Ash Decline

Emerald Ash Borer (Agrilus planipennis), an invasive beetle

Bur Oak Blight (BOB)

Fungus (Tubakia iowensis), thrives in wet conditions

Spruce Needle Cast (Rhizosphaera Needle Cast)

Fungus (Rhizosphaera kalkhoffii)

Armillaria Root Rot

Fungal species of Armillaria