Select Suspected Cause

Annosum Root Rot

Annosum Root Rot
(Heterobasidion annosum)
Anthracnose (Ash)

Anthracnose (Ash)
(Discula fraxinus)
Anthracnose (Elm)

Anthracnose (Elm)
(Stegophora ulmea)
Anthracnose (Oak)

Anthracnose (Oak)
(Discula quercina)
Anthracnose (Sycamore)

Anthracnose (Sycamore)
(Discula platani)
Armillaria Root Rot

Armillaria Root Rot
(Armillaria spp.)
Bacterial Leaf Scorch

Bacterial Leaf Scorch
(Xylella fastidiosa subsp. Multiplex)
Bagworm

Bagworm
(Thyridopteryx ephemeraeformis)
Ball Moss

Ball Moss
(Tilandsia recurvata)
Black Turpentine Beetle

Black Turpentine Beetle
(Dendroctonus terebrans)
Black Twig Borer

Black Twig Borer
(Xylosandrus compactus)
Botryosphaeria Canker

Botryosphaeria Canker
(Botryosphaeria spp)
Botryosphaeria Canker (Juniper)

Botryosphaeria Canker (Juniper)
(Botryosphaeria stevensii)
Buck Moth

Buck Moth
(Hemileuca maia)
Carpenterworm

Carpenterworm
(Prionoxystus robiniae)
Catalpa Sphinx

Catalpa Sphinx
(Ceratomia catalpae)
Cedar Hawthorn Rust

Cedar Hawthorn Rust
(Gymnosporangium juniperi-virginiana)
Chalcid Wasp

Chalcid Wasp
(Eurytomida spp)
Common Foliar Pathogens of Oaks

Common Foliar Pathogens of Oaks
(Multiple species)
Cotton (Texas) Root Rot

Cotton (Texas) Root Rot
(Phymatotrichopsis omnivora)
Cottonwood Borer

Cottonwood Borer
(Plectrodera scalator)
Cottonwood Leaf Beetle

Cottonwood Leaf Beetle
(Chrysomela scripta)
Cottonwood Twig Borer

Cottonwood Twig Borer
(Gypsonoma haimbachiana)
Crape Myrtle Bark Scale

Crape Myrtle Bark Scale
(Eriococcus lagerstroemiae)
Crown Gall

Crown Gall
(Agrobacterium tumefeciens)
Dogwood Borer

Dogwood Borer
(Synanthedon scitula)
Dothistroma Needle Blight

Dothistroma Needle Blight
(Dothistroma spp)
Drought

Drought
     
Dutch Elm Disease

Dutch Elm Disease
(Ophiostoma novo ulmi)
Eastern Tent Caterpillar

Eastern Tent Caterpillar
(Malacosoma americanum)
Elm Leaf Beetle

Elm Leaf Beetle
(Pyrrhalta luteola)
Elm Spanworm

Elm Spanworm
(Ennomos subsignarius)
Emerald Ash Borer

Emerald Ash Borer
(Agrilus plannipennis)
Endothia Canker

Endothia Canker
(Endothia gyrosa)
Entomosporium Leaf Spot

Entomosporium Leaf Spot
(Entomosporium spp)
Euonymus Scale

Euonymus Scale
(Unaspis euonymii)
Fall Webworm

Fall Webworm
(Hyphantria cunea)
Fireblight

Fireblight
(Erwinia amylovora)
Five-spined Engraver Beetle

Five-spined Engraver Beetle
(Ips grandicollis)
Forest Tent Caterpillar

Forest Tent Caterpillar
(Malacosoma disstria)
Four-spined Engraver Beetle

Four-spined Engraver Beetle
(Ips avulsus)
Frost Crack

Frost Crack
     
Fusiform Rust

Fusiform Rust
(Cronartium fusiforme)
Greenstriped Mapleworm

Greenstriped Mapleworm
(Dryocampa rubicunda)
Herbicide Damage

Herbicide Damage
     
Hypoxylon Canker

Hypoxylon Canker
(Hypoxylon tinctor)
Hypoxylon Canker (Oak)

Hypoxylon Canker (Oak)
(Biscogniauxia atropunctata)
Improper Mulching

Improper Mulching
     
Improper Planting

Improper Planting
     
Improper Pruning

Improper Pruning
     
Ips Beetles of Pinyon Pines

Ips Beetles of Pinyon Pines
(Ips hoppingi)
Japanese Beetle

Japanese Beetle
(Popillia japonica)
Larger Elm Leaf Beetle

Larger Elm Leaf Beetle
(Monocesta coryli)
Laurel Wilt

Laurel Wilt
(Harringtonia lauricola)
Leaf Scorch

Leaf Scorch
     
Leaf Spots (Maple-Sycamore)

Leaf Spots (Maple-Sycamore)
(Rhytisma acerinum)
Leaf Spots (Oak)

Leaf Spots (Oak)
(Tubakia quercina)
Leafy Mistletoe

Leafy Mistletoe
(Phoradendron tomentosum)
Lecanium Scale

Lecanium Scale
(Coccus hesperidium)
Lesser Peachtree Borer

Lesser Peachtree Borer
(Synanthedon pictipes)
Lightning Damage

Lightning Damage
     
Linden Looper

Linden Looper
(Erannis tilaria)
Locust Leafminer

Locust Leafminer
(Odontota dorsalis)
Mechanical Damage

Mechanical Damage
     
Nutrient Deficiency

Nutrient Deficiency
     
Oak Leaf Blister

Oak Leaf Blister
(Taphrina caerulescens)
Oak Leafroller

Oak Leafroller
(Archips semiferana)
Oak Skeletonizer

Oak Skeletonizer
(Bucculatrix ainsliella)
Oak Wilt

Oak Wilt
(Bretziella fagacearum)
Orangestriped Oakworm

Orangestriped Oakworm
(Anisota senatoria)
Overwatering

Overwatering
     
Peachtree Borer

Peachtree Borer
(Synanthedon exitiosa)
Phomopsis Canker

Phomopsis Canker
(Phomopsis spp.)
Phomopsis Tip Blight

Phomopsis Tip Blight
(Phomopsis juniperovora)
Phytophtora Root Rot

Phytophtora Root Rot
(Phytophtora spp.)
Pine Tip Moth

Pine Tip Moth
(Rhyacionia spp)
Pinkstriped Oakworm

Pinkstriped Oakworm
(Anisota virginiensis)
Powdery Mildew

Powdery Mildew
(Oidium sp.)
Redbay Ambrosia Beetle

Redbay Ambrosia Beetle
(Xyleborus glabratus)
Redheaded Ash Borer

Redheaded Ash Borer
(Neoclytus acuminatus)
Seridium Canker

Seridium Canker
(Seridium spp.)
Six-spined Engraver Beetle

Six-spined Engraver Beetle
(Ips calligaphus)
Soapberry Borer

Soapberry Borer
(Agrilus prionurus)
Soil Compaction

Soil Compaction
     
Solitary Oak Leafminer

Solitary Oak Leafminer
(Cameraria hamadyadella)
Southern Pine Beetle

Southern Pine Beetle
(Dendroctonus frontalis)
Southern Pine Sawyer

Southern Pine Sawyer
(Monochamus titillator)
Sphaeropsis Tip Blight

Sphaeropsis Tip Blight
(Sphaeropsis sapinea)
Spider Mites

Spider Mites
(Tetranynchus urticae)
Spiny Oakworm

Spiny Oakworm
(Anisota stigma)
Spring Cankerworm

Spring Cankerworm
(Paleacrita vernata)
Structural Root Rot

Structural Root Rot
(Ganoderma sp.)
Twig Girdler

Twig Girdler
(Oncideres pustulatus)
Underwatering

Underwatering
     
Variable Oakleaf Caterpillar

Variable Oakleaf Caterpillar
(Heterocampa manteo)
Walnut Caterpillar

Walnut Caterpillar
(Datana integerrima)
Winter Burn

Winter Burn