EMERALD ASH BORERAgrilus planipennis

Some Facts Originally from Asia

First US detection was in 2002

Effects all major North American Ash Species

Core infestation is concentrated in SE Michigan

Approx 20 mm long and 4 mm wide

EAB Larvae

Spread Have a presence in 14 states and parts of

southern Canada

Ash is a popular type of firewood

Thought to be spread by transfer of firewood

Distribution of Ash

EAB Infestation

Mechanism of attack Adults lay eggs in crevices of bark

Larvae burrow into bark

Larvae consume cambium and phloem, tree is girdled.

Detection Canopy dieback

Discolored leaves

Bark Splitting

D-shaped exit wounds

Bark Splitting

Canopy dieback

D-shaped exit wound

Effects on us Ash wood is tough, strong, and

elastic.

Used in manufacture of furniture

8 billion ash trees valued at $280 billion

Control and Eradication Quarantine zones

Release of wasps

Various insecticides