Skip Maine state header navigation

Agencies | Online Services | Help

Skip First Level Navigation | Skip All Navigation

Home > Pest Survey (CAPS) > Pest Information > EAB > Pictures of EAB damage

Emerald Ash Borer Signs and Damage Pictures

Look for these signs and symptoms on ash trees

Click on picture to get a larger image

image of canopy dieback

Declining crown of ash tree (Photo by Michigan Department of Agriculture)

image of epicormic shoots

Epicormic branching from infested ash tree (Photo by Edward Czerwinski, Ontario Ministry of Natural Resources)

image of crown dieback

Dead crown with epicormic branching (Photo by Daniel Herms, Ohio State University)

photo of bark split in ash tree

Bark split caused by emerald ash borer larval feeding

image of barl splitting

Bark split showing EAB tunneling (Photo by Pennsylvania Department of Conservation and Natural Resources)

image of larval tunneling

EAB larval tunneling (S-shaped galleries) under bark (Photo by Ed Czerwinski, Ontario Ministry of Natural Resources)

image of larval tunneling

Bark removed to reveal EAB larval tunneling (Photo by Jared Spokowsky, New York State Department of Agriculture and Markets)

image of S-shaped gallery

S-shaped galleries caused by EAB larval feeding (Photo by David Cappaert, Michigan State University)

image of woodpecker damage on EAB infested tree

Woodpecker activity on ash tree infested with EAB (Photo by ohiogeologyandbiodiversity. blogspot.com)

image of woodpecker damage on ash tree

Woodpecker damage on EAB infested tree (Photo by City of Macedonia, OH)

image of D-shaped exit hole

D-shaped exit hole (Photo by Maine Department of Agriculture)

image of EAB exit hole

D-shaped exit hole; size relative to a penny (Photo by Tim Nelson, Minnesota Public Radio)

 

Updated: March 5, 2013