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18494 Views 8 Replies Last post: Nov 27, 2015 9:53 PM by flecc RSS
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Apr 22, 2013 10:06 PM

Long tailed bug found in home

Hi all,

 

I hope someone can help me here.

 

Ive been finding this insect in my (first floor new build - 3yr old) flat over the last 3-4 weeks in increasing frequency...one here and there every week or few days to finding 4 on the same window today.

 

We have 2 indoor cats and rarely open our windows. I have found them in several different rooms around the flat but probably more nearer windows & the sills. Ive attached a pic (though you may need to zoom in a bit). Its hard to see but I think they have wings though ive not seen them fly.

 

Do I have an infestation? Is it something to worry about?

 

Thanks in advance for any info or even just a name I can research a bit more

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  • Currently Being Moderated
    Apr 22, 2013 10:28 PM (in response to blacklight124)
    Re: Long tailed bug found in home

    I think it is Gasteruption jaculator, a type of wasp.

     

    Note: "A striking feature of the Gasteruption jaculator is the upright position of the abdomen in flight" [http://www.naturespot.org.uk/species/gasteruption-jaculator]

     

    If you do a bit more observation and Googling, you may find that species fits well; but it could be a different one.

     

    I would not worry about them. They (she) are unlikely to sting you. If you could leave a window slightly open, they would probably find their way out.

     

    Refs:

    - http://www.nhm.ac.uk/natureplus/thread/2113 (thanks bombuslucorum)

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

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      • Currently Being Moderated
        Apr 22, 2013 10:43 PM (in response to blacklight124)
        Re: Long tailed bug found in home

        They would be interested in the larvae of solitary bees or wasps, which can nest in a variety of situations. Do you have any dry rotting wood (perhaps a corner of a window frame)? Solitary bees/wasps may make their own nest holes (by burrowing or building) or adopt existing ones. If the latter, many a dark opening could be of interest - rolled-up papers, gaping spines of books, etc.

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    Apr 22, 2013 10:37 PM (in response to blacklight124)
    Re: Long tailed bug found in home

    I agree a parasitic wasp and nowt to fret about, but I would look at other types of ichneumon wasp with long ovipositors. The one in the pic doesn't have 'clubbed' 'feet'

     

    BW

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    Nov 27, 2015 9:18 PM (in response to blacklight124)
    Re: Long tailed bug found in home

    I have seen these many times.   These wasps long whip is used to enter trees.  As hard as it may seem, I was surprised to see them pulling and pushing it in.   The true purpose of the activity, I am not sure.   Someone told me they need sap, but I found this hard to believe.   More likely, delivering larvae eggs.   Should do some research.  They seem to not be interested in me when I was bugging it.  Just flew off to another place.   Your safe.

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      Nov 27, 2015 9:53 PM (in response to Bugged)
      Re: Long tailed bug found in home

      The long probe is an ovipositor to deliver eggs. The length is so that it can reach to the larvae that the species parasitises. Some species use it from the entrance to probe deep into wasp nests to lay the eggs on or near to the wasp larvae that their larvae then feed upon.

       

      Tony

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