EAB Identification & Reporting

Use the Emerald Ash Borer Identification Poster pdf file or the information below to determine if you have identified EAB or EAB tree damage.

Insect Sighting

Emerald Ash Borer © PA DCNR
Emerald Ash Borer


Emerald Ash Borer is commonly mistaken for:

Six Spotted Tiger Beetle © PA DCNR
Six Spotted Tiger Beetle
Two Lined Chesnut Borer © USFS
Two Lined Chestnut Borer
Japanese Beetle © OSU
Japanese Beetle

If the insect sighting was not Emerald Ash Borer, there is no need to file a report. Find additional information about Colorado insects from the CSU extension


Ash Tree Damage

Reporting suspicious ash tree damage? Look for these signs:

D-shaped Exit Hole © Kenneth Law APHIS Tiny, D-shaped exit hole

S-shaped Galleries © Art Wagner APHIS  Serpentine larval tunnels under the bark

Tree die-back © Edward Czerwinski Upper 1/3 die-back of tree followed by shrubby resprouting underneath


Emerald Ash Borer (EAB) Report Form