Armillaria Root Rot
(Armillaria spp.)
Structural Root Rot
(Ganoderma sp.)
Powdery Mildew
(Oidium sp.)
Eastern Tent Caterpillar
(Malacosoma americanum)
Forest Tent Caterpillar
(Malacosoma disstria)
Locust Leafminer
(Odontota dorsalis)
Japanese Beetle
(Popillia japonica)
Drought
Leaf Scorch
Nutrient Deficiency
Herbicide Damage
Lightning Damage
Underwatering
Overwatering
Soil Compaction
Improper Pruning
Improper Planting
Mechanical Damage
Botryosphaeria Canker
(Botryosphaeria spp)
Ambrosia Beetles
(Scolytinae: Xyleborini)