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947 Views 5 Replies Last post: Sep 30, 2014 6:22 PM by DavidNotton RSS
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Aug 12, 2013 7:31 PM

Ichneumon wasp ID please?!

I asked for an ID on an Ichneumon wasp a while ago but the pics were a little unclear. I have managed to take some better photos of a very obliging female Ichneumon wasp doing her chilling thing earlier today.............Can anyone help me identify her exact species please? Thanks!

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    Aug 13, 2013 9:44 AM (in response to mellojo)
    Re: Ichneumon wasp ID please?!

    Very nice!  It's Helconidea ruspator, one of our larger Braconidae (subfamily Helconinae). This is a parasitoid of cerambycid beetles and rather rarely seen in Britain - it may just be unobtrusive, we know  very little about these helconines.  There are three British helconines with a tooth on the hind femur but this can be narrowed down to H. ruspator as the antenna is all black (white-banded in Wroughtonia spinator), the hind coxa is black and the tibia reddish (reddish and dark brown, respectively, in Helconidea dentator), and the position of the femoral tooth is just right.  I'm assuming this is a British specimen, though...

    Cheers,

    Gavin

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      Sep 30, 2014 2:50 PM (in response to Gavin Broad)
      Re: Ichneumon wasp ID please?!

      Hello Gavin,

       

      I came across the image of Helconidea ruspator when trying to match an ichneumen wasp I photgraphed in south of France. My one looks slightly different in that it appears to have orange coloration at the antennae base,and the thighs have black as well as orange coloration.

      Maybe it's still the same species ?

       

      Regards

      John Watt

      Ormskirkwasp.v01.JPG

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        Sep 30, 2014 6:22 PM (in response to John Watt)
        Re: Ichneumon wasp ID please?!

        Hi John

         

        this is a digger wasp of the genus Sceliphron (Hymenoptera, Sphecidae) there are several similar species in Europe. This one appears to be having a drink. Sceliphron are sometimes called 'mud-dauber' wasps because they make mud nests on firm objects, such as rocks or house walls. The nests are provisioned with spiders.

         

        Best regards

         

        David

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    Sep 30, 2014 3:45 PM (in response to mellojo)
    Re: Ichneumon wasp ID please?!

    Hi John,

    You're outside of my area this time! It's not an ichneumonoid but a digger wasp of the family Sphecidae. David Notton might know more.

    All the best,

    Gavin

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