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Saw-toothed or Merchant grain beetle

Jan 18, 2026

Pest Control Canada

Saw-toothed or Merchant grain beetle

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5887   Hello, I live in Kitchener Ontario (southern Ontario) and just moved into a newer house. I keep seeing These small bugs that I thought were ants until closer inspection. Any thoughts?  Josh.

This is a grain beetle (Coleoptera: Silvanidae) in the genus Oryzaephilus, either a saw-toothed (O. surinamensis) or merchant (O. mercator) grain beetle. Both species can infest a variety of grain-based dry stored food products, so you should check all your food storage areas for signs of infestation. See http://tinyurl.com/o5y5lxe for detailed information on these and other pantry pests.  Ed Saugstad, retired entomologist; Sinks Grove, WV.

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