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I photographed this fly on Flores near Mt.Kelimutu in June 2011. Through another source I learned that it might be Bibionidae and maybe even Plecia sp.. Can anyone help me with a possible identification? Thanks in advance.

Mark

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The wing looks like Plecia (Rs forked, one branch ending near tip of R1; M-Cu distant from R-M). I don't think you have any other similar genera.

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Hi John, thanks for the reply. My first guess was good, nice to have in confirmed! Now I need to find out what Plecia sp. occur on Flores island. Mark

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Pacific and Southeast Asian Plecia were keyed by Hardy (1958) (http://scholarspa...10125/7909). Species are defined by male genital characters. With a photo from the side and using known ranges you might be able to narrow the choices down to less than five species.

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Thanks for that John, much appreciated. I do have other pics but unfortunately not from the side..... Mark