The Confirmed Locations of the Emerald Ash Borer

EAB Distribution Map

Confirmed locations of EAB are shown by the red dots. The most current map (updated monthly) is available at the Emerald Ash Borer Informationwebsite.

Ash Tree Species Distribution Maps

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Click thumbnails to set in Map Viewer.

To link to map source, click Reference Links | Tree Species Range Maps

Ash Tree Distribution / Collected Sites / Omernik Level III Ecoregion Maps

The following maps show species distribution, where collections have been made, and the Omernik Level III Ecoregions.

Fraxinus pennsylvanica

Fraxinus americana

Fraxinus nigra

Fraxinus profunda

Fraxinus quadrangulata

Ecoregions of the United States-Level III (EPA). This is a link to an explanation of the Omernik Level III regions.
Omernik Level III Map (PDF). This is a link to Omernik Level III map. Note: This takes some time to download!