Long-horned wood-boring beetle

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Long-horned wood-boring beetle

Jan 18, 2026

Pest Control Canada

Long-horned wood-boring beetle

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6923. Do you know what this insect is? Was on side of house, just over 2 inches long, brown colour. Is it harmful to house or trees? Midland, ON. Canada

Number 6923. This is a long-horned wood-boring beetle (Coleoptera; Cerambycidae); it looks like a brown prionid, Orthosoma brunneum. It will not damage your house or trees, Click here for more detailed information.