Subject: Predatory bee killer!
Location: Tucson, AZ
August 20, 2014 5:39 pm
This enormous predator buzzed down to enjoy its dinner on an elk antler in my yard – what is it?
Signature: Alicia

Giant Robber Fly eats Bee

Giant Robber Fly eats Honey Bee

Dear Alicia,
This is one of the best feeding Robber Fly images we have received all summer.  This is a Giant Robber Fly in the genus
Promachus, a genus well populated in our archives this season due to all the images we have received of Red Footed Cannibalflies.  This is a different member of the genus, and we believe it is Promachus albifacies, a species with no unique common name.  You can compare your individual to this image on BugGuide.

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Location: Tuscon, Arizona

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