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826 Views 3 Replies Last post: Jun 5, 2013 4:24 PM by Florin - Museum ID team RSS
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Mar 28, 2013 8:06 PM

Identification of seaweed flies?

Hi,

 

I have found several of these flies on seaweed washed up on the strandline at Wembury beach in Devon, but i'm not totally sure what species they are? I think they could be Coelopa frigida because they appear to be the most abundant species present and also they appear to be very bristly rather than covered in fine fur which is described as the case in Coelopa pilipes (Egglishaw 1960). I also need to be able to tell the difference between male and female seaweed flies and would greatly apprecaite any help on how to differentiate between them. In the Photo attached i have removed the back legs in order to give a clearer view of the abdomen. If different angles of the fly are needed for identification i can re-photograph it.

 

Thank you

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  • Currently Being Moderated
    Apr 12, 2013 9:33 AM (in response to HHarland)
    Re: Identification of seaweed flies?

    Hello,

    Just to say that I agree with your ID to family level (Coleopidae), but you would need to show a good specimen to an expert if you need an ID to species level. You can post specimens to the Identification Service, The Natural History Museum, Cromwell Road, London SW7 5BD.

    Best wishes,

    Florin

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      • Currently Being Moderated
        Jun 5, 2013 4:24 PM (in response to HHarland)
        Re: Identification of seaweed flies?

        Hello,

        Yes, a British insect ID for the British public is a routine enquiry, free of charge. You can bring the specimen or send it to us. For some difficult IDs, or for many species/specimens, where we would use our experts' time, the enquiries become commercial. So it depends on how much effort we ask our experts to do.

        Please visit us and let's see how we can help you.

        Yours,

        Florin

        • Report Abuse

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