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Description

There are three elm bark beetle species of concern.  Native elm bark beetle (Hylurgopinus rufipes) adults are 2-3.5mm long, dark brown or black, and have a thin covering of short yellow hairs. Smaller European elm bark beetle (Scolytus multistriatus) adults are 2-3mm long, with a black head and reddish-brown wing covers.  Banded elm bark beetle (Scolytus schevyrewi) adults are 3-4mm long and have a black band running across their wing covers.

Plants AffectedDutch Elm Disease

Symptoms

Elm bark beetles are not known to be present in our area. However, if you see bore holes in an elm tree on private or public lands, please report  it immediately.

These beetles can carry a fatal fungal pathogen called Ophiostoma ulmi that causes Dutch Elm Disease, which has been responsible for the widespread death of elm trees across eastern North America. 

Controls

Contact the Parks Department at 780-830-5018.

Last updated: 9/13/2013 10:34:03 AM