Robber fly – PestcontrolCanada

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Jan 18, 2026

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Robber fly

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7503. Central Alabama, temperature about 80 degrees F. Mid August 2024. Pelham, Alabama. United States

Number 7503. This is a robber fly (Diptera: Asilidae), possibly in the genus Promachus – see Robber fly example . Robber flies are ambush predators that dart out to nab insects that fly too close to their perch. They then return to their site to enjoy their meal.