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Anthracnose (Oak)
(Discula quercina)
Armillaria Root Rot
(Armillaria spp.)
Bacterial Leaf Scorch
(Xylella fastidiosa subsp. Multiplex)
Ball Moss
(Tilandsia recurvata)
Buck Moth
(Hemileuca maia)
Carpenterworm
(Prionoxystus robiniae)
Drought
Elm Spanworm
(Ennomos subsignarius)
Forest Tent Caterpillar
(Malacosoma disstria)
Frost Crack
Fusiform Rust
(Cronartium fusiforme)
Greenstriped Mapleworm
(Dryocampa rubicunda)
Herbicide Damage
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Hypoxylon Canker (Oak)
(Biscogniauxia atropunctata)
Improper Mulching
Improper Planting
Improper Pruning
Japanese Beetle
(Popillia japonica)
Leaf Scorch
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Leaf Spots (Oak)
(Tubakia quercina)
Leafy Mistletoe
(Phoradendron tomentosum)
Lightning Damage
Linden Looper
(Erannis tilaria)
Locust Leafminer
(Odontota dorsalis)
Mechanical Damage
Nutrient Deficiency
Oak Leaf Blister
(Taphrina caerulescens)
Oak Skeletonizer
(Bucculatrix ainsliella)
Oak Wilt
(Bretziella fagacearum)
Orangestriped Oakworm
(Anisota senatoria)
Overwatering
Pinkstriped Oakworm
(Anisota virginiensis)
Powdery Mildew
(Oidium sp.)
Redheaded Ash Borer
(Neoclytus acuminatus)
Soil Compaction
Spiny Oakworm
(Anisota stigma)
Structural Root Rot
(Ganoderma sp.)
Underwatering
Variable Oakleaf Caterpillar
(Heterocampa manteo)
Walnut Caterpillar
(Datana integerrima)