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Tag Archives: British spiders

Spider: Zygiella x-notata

31 Monday Mar 2025

Posted by sconzani in spiders

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British spiders, Missing sector orb weaver, Silver-sided sector spider, Zygiella x-notata

I mentioned in a post last week (Spider: Steatoda nobilis, 25 March) that I’d had confirmation of my identification of two recent spider finds on my local park railings; this is the second of those spiders, Zygiella x-notata, also known as the Silver-sided sector spider.

Though I didn’t see it, this orb weaver is most well known for a singular feature of its web – for some unknown reason it always misses out one sector when constructing its circular web (you can see a photo of this on Wikipedia here), and so another of its common names is Missing sector orb weaver.

According to my guide book, these spiders are often found in places occupied by humans, so houses, sheds, and other types of building, as well as amongst vegetation in urban areas, and they are widespread around the world. The individual I found was too busy consuming its prey to be concerned with web building but I will look out for that distinctive web during future checks of the park railings.

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Spider: Steatoda nobilis

25 Tuesday Mar 2025

Posted by sconzani in spiders

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British spiders, False widow spider, Noble false widow, Steatoda nobilis

I was delighted yesterday to get an email verifying my two most recent spider finds. Both were fairly commonplace spiders but it’s nice to have confirmation that I’m making positive progress in being able to identify my finds, and to feel that I am paying back in the form of new records the book grant I received from my local biodiversity records centre to buy my spider guide book.

So, meet Steatoda nobilis, otherwise known as the False widow spider (or, sometimes, the Noble false widow). According to the Spider and Harvestman Recording Scheme website, it’s not a British native, and is presumed to have been an accidental introduction – maybe it hitched a ride with someone returning from holiday in Europe or in a lorry full of imported goods. From the first report of its presence near Torquay back in 1879, it has become naturalised across much of southern Britain, and appears to be spreading further north. I found mine on the local park railings but Steatoda nobilis is most common around buildings, including houses and garages and sheds and even public toilets. And, yes, it has been known to bite humans but don’t believe the negative publicity you might have seen in the media – like most creatures, this spider is more likely to avoid contact with humans if at all possible.

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Zebra spider

08 Saturday Mar 2025

Posted by sconzani in spiders

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British spiders, Salticus scenicus, Zebra spider

I almost squashed this cute little Zebra spider (Salticus scenicus) as I leant on the railings of a lookout to scan for birds in Cardiff Bay this morning. There were no unusual birds to be seen so the spider was an even more welcome sight.

My new guide book tells me there are three species of Salticus in the UK and all three have black-and-white stripes that are quite variable so, in theory, ‘microscopic examination of the genitalia is necessary to confirm identification’. However, the maps in the book also show that Salticus scenicus is the only species found in my area so I’m fairly sure this is the correct identification.

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Spider: Platnickina tincta

21 Friday Feb 2025

Posted by sconzani in spiders

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arachnids, British arachnids, British spiders, Platnickina tincta

My local records centre SEWBReC, the South East Wales Biodiversity Records Centre, likes to support local recorders like me and has recently, very generously, given me a book grant, with which I’ve purchased guide books to help me identify spiders, craneflies and, yet to come when it’s published in October, a book about flies.

Now, I feel duty bound to look more closely at these creatures (of course, that’s why I chose these books), and this week I found a spider I’d never seen before. At first, I thought this tiny spider, just 2.5-3.5mm in length, was a Spitting spider but the size, location and daytime sighting didn’t fit – Spitting spiders are slightly larger, night time roamers and favour indoor locations, particularly museums for some reason. So, I posted some photos on social media, and got an almost instant answer from SEWBReC’s partner organisation Cofnod, the local environmental records centre for north Wales.

My spider is almost certainly an adult male Platnickina tincta, a species that’s usually found low down in shrubs and tree branches. It’s a bit of an opportunist it seems, feeding on other small spiders and stealing their prey from their webs. It’s uncommon in Wales; the Spider and Harvestman Recording Scheme website shows the distribution in Britain, where this species is abundant in the southeast but increasingly scarce as we track north and west.

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Red velvet mite

05 Saturday Oct 2024

Posted by sconzani in spiders

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British spiders, Red velvet mite, Trombidiidae, velvet mite

It’s amazing how many different creatures you can find when you look at the undersides of leaves: aphids, ladybirds, leafhoppers, craneflies, more aphids, barkflies, galls, leafmines, all kinds of weird and wonderful insect larvae, and lots of varieties of tiny spiders … like this little guy. Although its name is Red velvet mite (there are several and I don’t know which exact species this one is), it has eight legs, so is actually an arachnid. Being bright red makes these wee spiders very obvious and, with its covering of miniscule hairs, it really does look quite velvety.

241005 velvet mite

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The spider and the Speckled wood

13 Tuesday Aug 2024

Posted by sconzani in insects, spiders

≈ 2 Comments

Tags

British butterflies, British spiders, Crab spider, crab spider kills Speckled wood, Speckled wood, White crab spider

Me: ‘What on earth is that Speckled wood doing?’

240813 crab spider and speckled wood (1)

Speckled wood: ‘ . . . ‘
Crab spider: ‘Yum! Lunch!’

240813 crab spider and speckled wood (2)

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Cricket bat spider

18 Tuesday Jun 2024

Posted by sconzani in spiders

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British spiders, Cricket bat spider, Mangora acalypha

I think you can easily see how this little arachnid got its common name of Cricket bat spider – the black shape on its abdomen does look very similar to a cricket bat and, to my eye, the three lines on the base of its abdomen also resemble the stumps, though that may just be my fanciful imagination.

240618 Cricket Bat spider

This is Mangora acalypha, which the Spider and Harvestman Recording Scheme website reports is mostly found in southern Wales and England, mostly on gorse bushes but also on other shrubs. These were the first two I’d ever seen and were on Creeping thistle and Common fleabane, in a field that once was farmed but is now re-wilding (though, sadly, the Welsh government has plans to build 500 houses in this location). You can read more details about this species and see a map of its distribution on the SHRS website.

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A flatmate

16 Saturday Mar 2024

Posted by sconzani in spiders

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British spiders, Daddy long-leg spider, Daddy long-legs, spider

240316 daddy long-legs

This is just one of my current flatmates, the biggest one, but I know for sure that there are others. Its territory is my stairwell, though it most often parks itself, as shown below, under the alarm box. My other flatmates are not Daddy long-legs, but other spider species. There’s a tiny crab spider, which just appeared around the side of my laptop screen, as if to say ‘What about me?’ – it’s now been moved to a house plant, and there are a couple of equally tiny jumping spiders, which I find very cute, that spend most of their time amongst the plants along the window sills. Do you have spidery flatmates?

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U is for unknown

26 Tuesday Dec 2023

Posted by sconzani in insects, spiders

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British flies, British insects, British spiders, insect larvae, invertebrates, larvae in leaf litter

As happens every year, I found many invertebrates I’ve not been able to identify, especially from riffling through the leaf litter. Perhaps one of you will recognise one of these creatures but, even if you don’t, I feel they deserve their moment in the spotlight.

231226 unknown larvae231226 unknowns in leaf litter231226 unknowns

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Noble false widow

30 Thursday Nov 2023

Posted by sconzani in spiders

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British spiders, false widow, false widow spiders, Noble false widow, Steodata nobilis

I found my first false widow spider, a Noble false widow (Steodata nobilis), at the end of October but it’s taken a few weeks for confirmation of my identification to filter through the recording system, hence the delay in showing you this little beauty. It had chosen its spot well: the outer wall of an apartment block, on the southern side where it could enjoy any sun and with a nearby crack between building and boundary wall where it could escape when threatened.

231130 false widow spider

People often freak about spiders, and the false widows get some bad press because they get confused with the black widows (Latrodectus spp.), but these creatures are relatively harmless, especially when treated with respect. Yes, they might give a person a little nip if they’re trapped (e.g. in clothing) but so would you if you felt trapped and in danger, right? (The Natural History Museum website has a great page on identifying these lovely spiders.)

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About me

sconzani

sconzani

I'm a writer and photographer; researcher and blogger; birder and nature lover; countryside rambler and city strider; volunteer and biodiversity recorder.

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