Post by duncan74 on Oct 8, 2018 15:07:31 GMT
Can you confirm please that this is The cribellate spider Amaurobius ferox, I am 90% sure it is but would like a second opinion,
Notes: Cribellate spiders have a special part below the spinners called a cribellum, (You can liken it to Velcro,) and on the metatarsus of the fourth legs ( rear legs ) it has a set of stiff hairs called a calamistrum which it uses to comb out the silk over the cribellum, this gives it a fluffy /woolly type of silk which appears bluish when fresh, The webs of Amaurobiidae can be found around holes in walls, fence posts and on tree bark, it consists of irregular lace like threads (which has a hole in it), and onto which the woolly cribellate silk is laid, this is mainly done at night
Cheers, Duncan
Amaurobius ferox 24 by Duncan Mclean, on Flickr
Amaurobius ferox 6 by Duncan Mclean, on Flickr
Amaurobius ferox 11 by Duncan Mclean, on Flickr
Amaurobius ferox 28 by Duncan Mclean, on Flickr
Notes: Cribellate spiders have a special part below the spinners called a cribellum, (You can liken it to Velcro,) and on the metatarsus of the fourth legs ( rear legs ) it has a set of stiff hairs called a calamistrum which it uses to comb out the silk over the cribellum, this gives it a fluffy /woolly type of silk which appears bluish when fresh, The webs of Amaurobiidae can be found around holes in walls, fence posts and on tree bark, it consists of irregular lace like threads (which has a hole in it), and onto which the woolly cribellate silk is laid, this is mainly done at night
Cheers, Duncan
Amaurobius ferox 24 by Duncan Mclean, on FlickrAmaurobius ferox 6 by Duncan Mclean, on FlickrAmaurobius ferox 11 by Duncan Mclean, on FlickrAmaurobius ferox 28 by Duncan Mclean, on Flickr