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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Flies (Diptera) » Acalyptratae » Thick-headed Flies (Conopidae) » Conopinae » Physocephala
Photo#77052
Sexual dimorphism? - Physocephala
Copyright © 2006 Steve Scott

Sexual dimorphism? - Physocephala
Cave-in-Rock State Park, Hardin County, Illinois, USA
August 12, 2006
I'm pretty sure the dark one is Physocephala tibialis. Is the brownish one the same species and faded? Is this sexual dimorphism? Or is it simply a different species?

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Sexual dimorphism? - Physocephala Sexual dimorphism? - Physocephala
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Contributed by Steve Scott on 13 September, 2006 - 5:35pm

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