Select Suspected Cause

Ambrosia Beetles

Ambrosia Beetles
(Scolytinae: Xyleborini)
Annosum Root Rot

Annosum Root Rot
(Heterobasidion annosum)
Armillaria Root Rot

Armillaria Root Rot
(Armillaria spp.)
Bacterial Leaf Scorch

Bacterial Leaf Scorch
(Xylella fastidiosa subsp. Multiplex)
Black Turpentine Beetle

Black Turpentine Beetle
(Dendroctonus terebrans)
Black Twig Borer

Black Twig Borer
(Xylosandrus compactus)
Cotton (Texas) Root Rot

Cotton (Texas) Root Rot
(Phymatotrichopsis omnivora)
Drought

Drought
     
Dutch Elm Disease

Dutch Elm Disease
(Ophiostoma novo ulmi)
Endothia Canker

Endothia Canker
(Endothia gyrosa)
Euonymus Scale

Euonymus Scale
(Unaspis euonymii)
Fireblight

Fireblight
(Erwinia amylovora)
Five-spined Engraver Beetle

Five-spined Engraver Beetle
(Ips grandicollis)
Four-spined Engraver Beetle

Four-spined Engraver Beetle
(Ips avulsus)
Herbicide Damage

Herbicide Damage
     
Hypoxylon Canker

Hypoxylon Canker
(Hypoxylon tinctor)
Hypoxylon Canker (Oak)

Hypoxylon Canker (Oak)
(Biscogniauxia atropunctata)
Improper Pruning

Improper Pruning
     
Lecanium Scale

Lecanium Scale
(Coccus hesperidium)
Lightning Damage

Lightning Damage
     
Mechanical Damage

Mechanical Damage
     
Nutrient Deficiency

Nutrient Deficiency
     
Oak Wilt

Oak Wilt
(Bretziella fagacearum)
Phomopsis Canker

Phomopsis Canker
(Phomopsis spp.)
Phomopsis Tip Blight

Phomopsis Tip Blight
(Phomopsis juniperovora)
Phytophtora Root Rot

Phytophtora Root Rot
(Phytophtora spp.)
Six-spined Engraver Beetle

Six-spined Engraver Beetle
(Ips calligaphus)
Soil Compaction

Soil Compaction
     
Solitary Oak Leafminer

Solitary Oak Leafminer
(Cameraria hamadyadella)
Southern Pine Beetle

Southern Pine Beetle
(Dendroctonus frontalis)
Spider Mites

Spider Mites
(Tetranynchus urticae)
Structural Root Rot

Structural Root Rot
(Ganoderma sp.)
Underwatering

Underwatering