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Emerald Ash Borer in Indiana
Emerald Ash Borer in Indiana Emerald Ash Borer in Indiana
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Identification and Biology - EAB

What Do Emerald Ash Borers Look Like?

emerald ash borer

(D. Cappaert, MSU, at www.forestryimages.org)

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 www.entm.purdue.edu/CAPS)

EAB larvae

(Pennsylvania DCNR at www.forestryimages.org)

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.