Select Suspected Cause

Hypoxylon Canker (Oak)

Hypoxylon Canker (Oak)
(Biscogniauxia atropunctata)
Oak Wilt

Oak Wilt
(Bretziella fagacearum)
Armillaria Root Rot

Armillaria Root Rot
(Armillaria spp.)
Leafy Mistletoe

Leafy Mistletoe
(Phoradendron tomentosum)
Ball Moss

Ball Moss
(Tilandsia recurvata)
Structural Root Rot

Structural Root Rot
(Ganoderma sp.)
Fusiform Rust

Fusiform Rust
(Cronartium fusiforme)
Redheaded Ash Borer

Redheaded Ash Borer
(Neoclytus acuminatus)
Forest Tent Caterpillar

Forest Tent Caterpillar
(Malacosoma disstria)
Carpenterworm

Carpenterworm
(Prionoxystus robiniae)
Drought

Drought
     
Frost Crack

Frost Crack
     
Herbicide Damage

Herbicide Damage
     
Lightning Damage

Lightning Damage
     
Underwatering

Underwatering
     
Soil Compaction

Soil Compaction
     
Improper Pruning

Improper Pruning
     
Improper Planting

Improper Planting
     
Phytophtora Root Rot

Phytophtora Root Rot
(Phytophtora spp.)
Phomopsis Canker

Phomopsis Canker
(Phomopsis spp.)
Endothia Canker

Endothia Canker
(Endothia gyrosa)
Twig Girdler

Twig Girdler
(Oncideres pustulatus)
Oak Leafroller

Oak Leafroller
(Archips semiferana)
Botryosphaeria Canker

Botryosphaeria Canker
(Botryosphaeria spp)
Ambrosia Beetles

Ambrosia Beetles
(Scolytinae: Xyleborini)