Wednesday, October 2, 2013

Robber Fly


Female Promachus hinei (Robber Fly)

A member of the family Asilidae, Robber Flies are widely distributed worldwide.  Also called "Bee Killers", these predators help maintain a healthy balance of insects in their habitat.  Asilidae capture their prey in flight using legs covered with barbs and injecting a neurotoxin and enzymes which immobilize and dissolve the insides of their victims.

Photo taken at Fox Island Co. Park Marsh Observation Deck Oct. 1, 2013.

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