Unknown species of robber flies mating - Promachus rufipes -
Doolittle Prairie, Story County, Iowa, USA July 28, 2011
Robber flies found at dusk at Doolittle Prairie during gathering_2011.
Contributed by Moni Hayne on 6 August, 2011 - 9:21pm Last updated 14 August, 2020 - 9:24pm
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