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Photo#321127
robber fly with grasshopper - Promachus vertebratus

robber fly with grasshopper - Promachus vertebratus
Spirit Mound Historic Prairie near Vermillion, SE South Dakota, Clay County, South Dakota, USA
August 16, 2009
It would fly ten feet and light on an upright stem; the grasshopper was obviously a heavy load for the fly.
A much better photo from today, showing a robber fly holding smaller prey in a similar manner is here: http://bugguide.net/node/view/320996

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Moved from Robber Flies.

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Moved from ID Request.

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