Select Suspected Cause

Bagworm

Bagworm
(Thyridopteryx ephemeraeformis)
Botryosphaeria Canker

Botryosphaeria Canker
(Botryosphaeria spp)
Buck Moth

Buck Moth
(Hemileuca maia)
Catalpa Sphinx

Catalpa Sphinx
(Ceratomia catalpae)
Common Foliar Pathogens of Oaks

Common Foliar Pathogens of Oaks
(Multiple species)
Drought

Drought
     
Eastern Tent Caterpillar

Eastern Tent Caterpillar
(Malacosoma americanum)
Elm Spanworm

Elm Spanworm
(Ennomos subsignarius)
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)
Forest Tent Caterpillar

Forest Tent Caterpillar
(Malacosoma disstria)
Greenstriped Mapleworm

Greenstriped Mapleworm
(Dryocampa rubicunda)
Improper Planting

Improper Planting
     
Improper Pruning

Improper Pruning
     
Japanese Beetle

Japanese Beetle
(Popillia japonica)
Larger Elm Leaf Beetle

Larger Elm Leaf Beetle
(Monocesta coryli)
Leaf Scorch

Leaf Scorch
     
Lecanium Scale

Lecanium Scale
(Coccus hesperidium)
Linden Looper

Linden Looper
(Erannis tilaria)
Mechanical Damage

Mechanical Damage
     
Nutrient Deficiency

Nutrient Deficiency
     
Oak Leaf Blister

Oak Leaf Blister
(Taphrina caerulescens)
Oak Skeletonizer

Oak Skeletonizer
(Bucculatrix ainsliella)
Orangestriped Oakworm

Orangestriped Oakworm
(Anisota senatoria)
Overwatering

Overwatering
     
Phomopsis Canker

Phomopsis Canker
(Phomopsis spp.)
Phomopsis Tip Blight

Phomopsis Tip Blight
(Phomopsis juniperovora)
Phytophtora Root Rot

Phytophtora Root Rot
(Phytophtora spp.)
Pinkstriped Oakworm

Pinkstriped Oakworm
(Anisota virginiensis)
Soapberry Borer

Soapberry Borer
(Agrilus prionurus)
Soil Compaction

Soil Compaction
     
Solitary Oak Leafminer

Solitary Oak Leafminer
(Cameraria hamadyadella)
Sphaeropsis Tip Blight

Sphaeropsis Tip Blight
(Sphaeropsis sapinea)
Spider Mites

Spider Mites
(Tetranynchus urticae)
Spiny Oakworm

Spiny Oakworm
(Anisota stigma)
Underwatering

Underwatering
     
Walnut Caterpillar

Walnut Caterpillar
(Datana integerrima)
Winter Burn

Winter Burn