Predaceous Diving Beetle

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Predaceous Diving Beetle

Jan 18, 2026

Pest Control Canada

Predaceous Diving Beetle

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6405. The bug on the wall of house flys and bites. Winnipeg, Manitoba, Canada

Number 6405. This is a female predaceous diving beetle (Coleoptera: Dytiscidae). These are general predators on small aquatic life forms; they are strong fliers and often are found quite some distance from the nearest water. Their bite is harmless.