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784 Views 5 Replies Last post: May 10, 2014 9:44 AM by MikeHardman RSS
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May 9, 2014 9:14 PM

Fly id please

I'd like an id for this fly if possible please. I have done a bit of research and given its bright orange eyes I think it may be a kind of fruit fly but I can find nothing quite like it. Location is my garden in Addlestone, Surrey

 

Thanks

 

Graham

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    May 9, 2014 9:28 PM (in response to GrahamPD)
    Re: Fly id please

    Methinks it is a dung fly of some sort

    - http://en.wikipedia.org/wiki/Scathophagidae

     

    Mike

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      • Currently Being Moderated
        May 10, 2014 7:45 AM (in response to GrahamPD)
        Re: Fly id please

        Graham,

         

        Good research.

        That does look very similar.

         

        When it comes to separating down to species, Dr Stuart Ball's key on Scathophagidae is an excellent resource

        - http://www.dipteristsforum.org.uk/documents/scathophagid%20key%20v3_1.pdf

         

        Based on that, yours appears not to be Scathophaga inquinata, because that species has plumose arista

        More likely, it is Ss. lutaria or furcata.

        Distinguishing between these species requires consideration, not only of the arista (which seems bare in yours), but other characteristics, some of which may not be adequately visible in your photo.

        So you may have to accept a guess at the species. I leave you to make it.

         

        Mike

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            May 10, 2014 9:44 AM (in response to GrahamPD)
            Re: Fly id please

            Graham,

             

            That sounds reasonable.

             

            Note that the abbreviation system uses a single character if related to just one species, and a repeated character for the plural. Hence, assuming Scathophaga is already in context, one could write S. furcata.

            I used (above) 'Ss'. because it related to two species.

             

            Mike

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