I live in Edinburgh and keep finding what I believe to be Steatoda Grossa in my flat. There are many of them and they have been appearing since April-ish (but I haven't lived here that long). I have recently been finding lots of spiderlings (which could be another spider) but am beginning to wonder if I should be worried...
Here's a pic of one I found a few months ago but I currently have another one in a pyrex tub, if anyone wants it. The legs are a reddish brown colour and they have four cream spots on their abdomen below a cream crescent. The front pair of legs are longer than the rest.
Is this a Steatoda Grossa?
Should I be worried?
Are they normally found this far north?
How do I get rid of them? (incidentally, the first one I found I chucked out the window onto a neighbouring playgroup yard, so perhaps my guilt has led me here!)
Thanks in advance for your help.
Oh dear, I usually avoid answering false widow queries but I reckon this is S. grossa. As for known distribution, see this page -
so, it has been found in the Edinburgh area and even further north
Thanks so much - what an interesting website. It's also good to know that I'm not to only person in Scotland to have these wee pals!
I've attached a couple of pics of the spiderlings - not the best shots, but I'm intrigued to see if these are also Steatoada Grossa. There's one big guy (last pic and far left of first shot) who I suspect may not be one of the clan and could just be an innocent house spider caught up in the melee- any ideas? They all seem to be co-habiting peacefully (four days, five spiders) I had thought they may have eaten each other by now - do you know anything about spider cannibalism?
Anyway, thanks so much!
I think the large one is, as you suspect, a house spider, Tegenaria - it's certainly not S. grossa. Dunno about the others. There comes a point with young spiders at which they no longer want each others company and strike off on their own, and yours haven't got there yet.