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Project Noah Nature School
Steatoda nobilis
Steatoda nobilis has a brown bulbous abdomen with cream coloured markings that are often likened to the shape of a skull.The legs are reddish-orange.[8] Females range in size from about 9.5 to 14 mm in size, while males are 7 to 11 mm.Males are able to produce stridulation sounds during courtship, by scraping 10-12 teeth on the abdomen against a file on the rear of the carapace
The spider is an introduced species across Europe, plus parts of North Africa, and likely spreading. It was found for the first time in 2011 in Cologne, Germany. It is originally from the Canary Islands and Madeira. In England it has been reported mostly in southern counties, but its range appears to be expanding northwards.In 2011, the spider was reported as an established invasive species in the USA, in Ventura County, California.
Spotted in my backyard
it was a pleasure, i have never seen a pair together before, its amazing.
i presume it's a couple,i trie another photo but the big one(femalle i presume)go a way,thanks carol for the coment:-)
Spotted on Nov 20, 2011
Submitted on Nov 20, 2011
