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Hypoxylon Canker (Oak)
(Biscogniauxia atropunctata)
Bacterial Leaf Scorch
(Xylella fastidiosa subsp. Multiplex)
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Anthracnose (Oak)
(Discula quercina)
Oak Wilt
(Bretziella fagacearum)
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Leaf Spots (Oak)
(Tubakia quercina)
Oak Leaf Blister
(Taphrina caerulescens)
Armillaria Root Rot
(Armillaria spp.)
Structural Root Rot
(Ganoderma sp.)
Powdery Mildew
(Oidium sp.)
Pinkstriped Oakworm
(Anisota virginiensis)
Spiny Oakworm
(Anisota stigma)
Greenstriped Mapleworm
(Dryocampa rubicunda)
Buck Moth
(Hemileuca maia)
Oak Skeletonizer
(Bucculatrix ainsliella)
Forest Tent Caterpillar
(Malacosoma disstria)
Walnut Caterpillar
(Datana integerrima)
Variable Oakleaf Caterpillar
(Heterocampa manteo)
Locust Leafminer
(Odontota dorsalis)
Japanese Beetle
(Popillia japonica)
Linden Looper
(Erannis tilaria)
Elm Spanworm
(Ennomos subsignarius)
Drought
Leaf Scorch
Nutrient Deficiency
Herbicide Damage
Lightning Damage
Underwatering
Overwatering
Soil Compaction
Improper Pruning
Improper Planting
Mechanical Damage
Phomopsis Canker
(Phomopsis spp.)
Endothia Canker
(Endothia gyrosa)
Oak Leafroller
(Archips semiferana)
Solitary Oak Leafminer
(Cameraria hamadyadella)
Botryosphaeria Canker
(Botryosphaeria spp)
Cynipid Wasp
(Cynipidae)
Ambrosia Beetles
(Scolytinae: Xyleborini)