Robber Fly – Promachus rufipes

The robber fly, Promachus rufipes is a highly formidable insect that has been known to take down hummingbirds. The name “robber flies” reflects their notoriously aggressive predatory habits; they feed mainly or exclusively on other insects and as a rule they wait in ambush and catch their prey in flight.



© Ilex – Midwestern Plants

17 thoughts on “Robber Fly – Promachus rufipes

  1. Pingback: Chain O’ Lakes State Park – Fox River Kayak Trip | Midwestern Plants

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