It looks like Steatoda grossa, a False Black Widow. They aren’t medically dangerous to people or pets. They are very good at killing other spiders and insects.
The markings aren’t always easy to see. Steatoda grossa has the darkest body and the faintest markings of the Steatoda in Ireland. I’ve had some Steatoda in my yard that I couldn’t see markings on though I really tried both in-person and with photos. The markings on False Widows in Europe and North America aren’t particularly distinct. They’re gold, silver, or pale white on spiders that look brown, red, gold, or black. This link is to one of my photos where I couldn’t see the markings. It’s a centipede killing Steatoda borealis. I see the markings now that our site… Read more »
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Jet Black Shiny spider with no markings found on its web in our laundry shed in Ireland. Please help identify
It looks like Steatoda grossa, a False Black Widow. They aren’t medically dangerous to people or pets. They are very good at killing other spiders and insects.
Thank you for your reply. I thought false widow spiders had distinct markings on their abdomens? This guy is completely black, no markings at all
The markings aren’t always easy to see. Steatoda grossa has the darkest body and the faintest markings of the Steatoda in Ireland. I’ve had some Steatoda in my yard that I couldn’t see markings on though I really tried both in-person and with photos. The markings on False Widows in Europe and North America aren’t particularly distinct. They’re gold, silver, or pale white on spiders that look brown, red, gold, or black. This link is to one of my photos where I couldn’t see the markings. It’s a centipede killing Steatoda borealis. I see the markings now that our site… Read more »