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678 Views 7 Replies Last post: Oct 15, 2013 4:59 PM by MWJB RSS
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Oct 15, 2013 2:31 PM

Noble False Widow? - London W13

Hi Everyone,

 

I'm new to this forum and would like to ask for help identifying the spider on the attached image.

 

I believe it's a Noble False Widow. Our front and rear gardens are full of them (counted around 30-40 varying sizes) and would like to get advise on whether I should just leave them as they are or should I take action to remove them? As I understand the Noble False Widow is an invasive species...

 

Many thanks for your help.

 

Marco

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    Oct 15, 2013 2:51 PM (in response to Marco)
    Re: Noble False Widow? - London W13

    Not to sure, we have also found a similar looking spider in Tyldsley, Lancashire.   This was found in the kitchen however it was not the first.  I have attached a photo - could also do with clarification of the species.........

     

     

    Thanks

     

    Nick

    photo.JPG

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      Oct 15, 2013 3:02 PM (in response to NickP)
      Re: Noble False Widow? - London W13

      Hi Nickp,

       

      This is a common garden spider (Araneus diadematus, or Araneus quadratus). There are a lot of gravid females that are large & sometimes brightly coloured around at the moment. They are quite docile.

       

      Regards, Mark.

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    Oct 15, 2013 2:59 PM (in response to Marco)
    Re: Noble False Widow? - London W13

    Hi Marco,

     

    You are correct in your identification. However, some things about what you are saying seem unusual. I'm not saying, "I don't believe your gardens are full of them", I am just enquiring as to whether some similar species, that could be misidentified, are boosting the percieved numbers? For instance, Zygiella x-notata (a harmless orb weaver) is the spider associated with at least two of the current "false widow" scare stories...here's what they look like:

     

    [IMG]http://i1083.photobucket.com/albums/j388/MWJB/Misc%20Spiders/IMG_Zygiellax-nDark0001.jpg[/IMG][/URL]

     

    ...they can often live close by S. nobilis, they are easily bullied out of their prey by S. nobilis, but S. nobilis doesn't seem to tolerate competition from it's own species, or from larger spiders, like garden spiders. In short, S. nobilis are usually a little spread out & quite territorial.

     

    Another thing to consider is that they have probably been in the area for some years, just the current wave of interest has caused many people to notice creatures that, a month ago, they would not have given a second's thought to.

     

    Female false widows in the garden aren't likely to want to leave their webs to come indoors. My view is that, in attempts to remove them yourself, you are more likely to come into conflict, or cause displaced spiders to wander around in search of a new home. If they are established in your area & you remove them, how will you stop new individuals from taking their places? Though, I appreciate you have to do whatever you feel gives you & your family the greater peace of mind.

     

    They are well established in the South & South East & have been for years. They are all over where I live (I have 2 in my living room), yet most people are utterly oblivious to them (or were, until the tabloids got all over-excited).

     

    Regards, Mark.

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        Oct 15, 2013 4:26 PM (in response to Marco)
        Re: Noble False Widow? - London W13

        Hi Marco,

         

        I would be more inclined to judge the numbers by the actual individuals for 2 reasons: webs can stay intact for a year or more if undisturbed, also Tegenaria species can also be found in gardens & it can be hard to distinguish between webs.

         

        That said, I don't doubt that you have multiple individuals.

         

        Regards, Mark.

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            Oct 15, 2013 4:59 PM (in response to Marco)
            Re: Noble False Widow? - London W13

            Hi Marco,

             

            No, it is me that should apologise...letting my experience & perceptions obscure my grasp of your tangible facts! ;-)

             

            Thanks for the clarification.

             

            Kind regards, Mark.

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