EAB Identification and Reporting

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

 

Insect Sighting


Emerald_Ash_Borer

Emerald Ash Borer

Emerald Ash Borer is commonly mistaken for:

Six Spotted Tiger Beetle
Six Spotted Tiger Beetle

Two_Lined_Chestnut_Borer
Two Lined Chestnut Borer

Japanese Beetle
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:

Tiny, D-Shaped exit hole
Tiny, D-shaped exit hole

Serpentine larval tunnels under the bark
Serpentine larval tunnels

Upper 1/3 die-back of tree followed by shrubby resprouting underneath
Upper 1/3 die-back and resprouting

 

Emerald Ash Borer (EAB) Report Form