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EAB for Homeowners
Identification & Biology
Ash Identification Presentation
EAB Look-Alikes
EAB Locations
EAB Management
Protecting Ash Trees with Insecticides
Quarantine Information
Information for Industries and Organizations
Self Study Programs
Arrest that Pest and Other Educator Resources
Report a Suspected Infestation
EAB on YouTube
Identification and Biology - EAB

What Do Emerald Ash Borers Look Like?

emerald ash borer

(D. Cappaert, MSU, at

Adults: Adult beetles are bright metallic green in color. Adults are one third inch long and one sixteenth inch wide. They have rounded abdomens and flat backs and are present from mid-May through late July.

emerald ash borer emerald ash borer emerald ash borer

(C. M. F. Pierce & M. A. McDonough
Indiana CAPS at

EAB larvae

(Pennsylvania DCNR at

Larva (immature): Larvae are creamy white and have flattened, segmented bodies. Older larvae grow up to an inch long. They feed under ash tree bark from mid-summer through spring, damaging the ash tree’s vascular tissue.

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