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77 Views 2 Replies Last post: Jul 9, 2018 11:24 AM by jaguarondi RSS
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Jul 9, 2018 6:49 AM

Please identify these spiders

Good afternoon,


Could you please kindly identify three different spiders for me which have been found in my mother's house? As she lives alone in Norfolk, these unsual spiders have been causing her a lot of concern about possibly being bitten (she has a number of allergies to various things). I would therefore appreciate your identifying these and giving me some advice on whether there is any cause for precaution.


This first spider did not build a web inside the jar that it has been in. Its abdomen is matt rather than shiny. And it has stayed pretty still when i picked up the jar and took off the lid to photograph it. (I have since found what looks to be a baby of this type in a window in her house - please see 'Spider 1 possible baby'.)


This second spider, below, built up a multi-layered web inside the jar and was active when i picked up the jar. It followed my thumb, moving quite deliberately towards it on the other side of the glass. It was using the web to test the jar lid. When i opened the jar it made its way out. It has been put back in the jar now.


This 3rd spider, was found inside the house, in the corner of a sash window. In previous years there had been numerous ladybirds nesting there, however this year there had been no live ones spotted, and instead just a few dried carcases. I then noticed this spider with a skull-like marking on its abdomen.


Many thanks for your time, and I look forward to receiving a response.

  • Currently Being Moderated
    Jul 9, 2018 11:23 AM (in response to Betty 18)
    Re: Please identify these spiders

    The one labelled Spider 2 looks like a Tegenaria spider, commonly found indoors, but I can't say exactly which species from this photo.  They are all harmless though, usually preferring to stay hidden.


    The other four are all Steatoda nobilis False Widow Spiders, another species which likes to share in our homes.  These can bite with the effect of a bee sting if they feel threatened, but they are not aggressive and prefer to run from conflict.  If removing them to outdoors, take them well away or they'll just pop back in.


    The NHM has a fact sheet on the False Widow Spiders which you can read on this link


    N.B.  Could you please delete your duplicate post which is on this link Betty.  Thank you.



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  • Currently Being Moderated
    Jul 9, 2018 11:24 AM (in response to Betty 18)
    Re: Please identify these spiders

    Spider 2 is a lace web weaver, an Amaurobius species, most likely Amaurobius similis - that's the commonest one aorund houses

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