Amaurobiidae
(Hacklemesh Weavers)

Picture ID 9684

Picture of Amaurobiidae (Hacklemesh Weavers) - Male - Dorsal

Comments & ID Thoughts

Looks like a Giant House Spider common to Washington and Oregon.

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ItsyBitsy

Hi, welcome to Spider ID. 🙂 This looks like a male Black Lace-weaver, Amaurobius ferox.

BugmanDan

Hi,and welcome to the site. Nothing for size reference, i may be, but this is a male and they seem very long legged and scrawny next to female. It is a funnel weaver with two other good possibilities, the Eratagena agrestis and Tegenaria domestica. A male giant house spider:
http://www.youtube.com/watch?v=gxCc6E0eFpQ
A male Eratigena agrestis:
http://www.youtube.com/watch?v=2PMg_pjjg0Q
(In memory of Amanda Howe)

BugmanDan

I should have done this first,just very difficult on my current computer, but I washed this through some editing and will agree with Itsy Bitsy’s ID of a lace web weaver.
It lacks any consistent patterns for funnel weaver.

ItsyBitsy

Hi, I’m glad you brought my attention back to this! I’m backing up to family. I was looking at the pedipalps (leg-like appendages near the spider’s mouth). They’re noticeably different compared to male Eratigena species. Mature male A. ferox has that big “c” shaped structure on the end of the palp and usually I can make that call with confidence when I see that given the rest of the spider looks like A. ferox too … the problem is I didn’t notice the location or my mind miss-auto-corrected it to Washington DC… I don’t know that Amaurobius ferox is known… Read more »

Additional Pictures

Picture of Amaurobiidae (Hacklemesh Weavers) - Dorsal Enlarge Picture
Picture of Amaurobiidae (Hacklemesh Weavers) - Dorsal Enlarge Picture
Picture of Amaurobiidae (Hacklemesh Weavers) - Dorsal Enlarge Picture
Picture of Amaurobiidae (Hacklemesh Weavers) - Dorsal Enlarge Picture