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380 Views 2 Replies Last post: Dec 12, 2013 11:15 AM by Sonia RSS
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Dec 12, 2013 10:27 AM

Spider check please

Can someone please check if this spider is a false widow. We just found it in our workplace

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    Dec 12, 2013 11:35 AM (in response to Sonia)
    Re: Spider check please

    Hi Sonia,

     

    What you have there is a beautiful example of a missing sector orb weaver (Zygiella x-notata most probably). These are harmless spiders & if you look hard enough you will no doubt find them around & occasionally inside just about any house in the country.

     

    Your photo clearly shows the spider's cephalothorax (head) has 2 distinct colours - brown with a dark central stripe, tapering back towards the abdomen. Also a thin, dark line around each side. False widows typically have a more even colouring accross the cephalothorax.

     

    The central marking on the abdomen is more like a feather/flare, with a dark line running down the middle. Again this is not typical of false widows, the noble false widow (S. nobilis) has a marking more like a shield, or pentangle.

     

    Here's a noble false widow for comparison...

    [IMG]http://i1083.photobucket.com/albums/j388/MWJB/Steatoda%20Nobilis/IMG_1080_zps0fcd6185.jpg[/IMG][/URL]

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