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5051 Views 2 Replies Last post: Jan 25, 2013 12:28 PM by Gavin Broad RSS
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Jul 24, 2012 11:21 PM

Is this a type of wasp??

Hi, I found this in my bedroom on the ceiling, it's about 10-12mm long, black and red/yellowish body and parts of the legs, the tip of the body (thorax??) had a stinger maybe for protection??



I know nothing of insects but this got me wondering and wanted to find out more about it as I haven't seen anything like it before.




Hope someone can help!

Many thanks


  • Currently Being Moderated
    Jul 25, 2012 10:20 AM (in response to Pepper pot)
    Re: Is this a type of wasp??

    It looks like the parasitic wasp Diadromus to me, possibly Diadromus collaris. However I'm sure an expert will correct me if I'm wrong and give you the correct ID.





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  • Currently Being Moderated
    Jan 25, 2013 12:28 PM (in response to Pepper pot)
    Re: Is this a type of wasp??

    This is an ichneumonid wasp, i.e. a species of parasitoid of the family Ichneumonidae.  It looks most like some species of Campopleginae, a group that lay their eggs in larvae of (mostly) Lepidoptera and emerge from the full-grown host larva.  There are some species of the subfamily Cryptinae that look superficially similar and, unfortunately, it is not possible to see any of the important details on this photo.  It is definitely not Diadromus, which looks very different (at least, very different in ichneumon terms...).  Most people are aware of only a few ichneumonids, so the same names tend to be used over and over, whereas there are very large numbers of species - about 2,400 species of Ichneumonidae in Britain alone.


    All the best,


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