Armillaria Root Rot
(Armillaria spp.)
Leafy Mistletoe
(Phoradendron tomentosum)
Structural Root Rot
(Ganoderma sp.)
Black Twig Borer
(Xylosandrus compactus)
Fall Webworm
(Hyphantria cunea)
Carpenterworm
(Prionoxystus robiniae)
Drought
Frost Crack
Herbicide Damage
Lightning Damage
Underwatering
Soil Compaction
Improper Pruning
Improper Planting
Phytophthora Root Rot
(Phytophthora spp.)
Botryosphaeria Canker
(Botryosphaeria spp)
Ambrosia Beetles
(Scolytinae: Xyleborini)