Amaurobius ferox
(Black Lace-Weaver)

Picture ID 60460

Picture of Amaurobius ferox (Black Lace-Weaver) - Dorsal

Comments & ID Thoughts

Black house spider?
Are they dangerous?

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ItsyBitsy

Hi, this is a Black Lace-weaver (Amaurobius ferox). Like most spiders they have venom but are unlikely to bite except in self-defense and are not considered to be of medical significance. Everyone’s immune system is different though.

TangledWeb

Thanks for handling it kindly. I live in southern NH and have them outdoors and in my cellar. They live in the holes in my house’s stone foundation eating pillbugs and centipedes. They make flat webs on the walls and floor with the webs funneling into the holes where the spiders live. If I tug on a web, one will stick its head out to see what’s happening. It’s kinda cute. They seem to peacefully coexist with my other cellar spiders, Pholcus phalangiodes.

Additional Pictures

Picture of Amaurobius ferox (Black Lace-Weaver) - Dorsal Enlarge Picture
Picture of Amaurobius ferox (Black Lace-Weaver) - Dorsal Enlarge Picture
Picture of Amaurobius ferox (Black Lace-Weaver) - Dorsal Enlarge Picture
Picture of Amaurobius ferox (Black Lace-Weaver) - Male - Dorsal Enlarge Picture