Aptostichus

Picture ID 9664

Picture of Aptostichus - Dorsal

Comments & ID Thoughts

This big guy kicked me out of my resting spot on the beach in the sand just north of Malibu. Didn’t want it to wind up in a bag or a shoe so I moved it. Furry legs, visible pincers. Color in photo is true to life. Any ideas?
Could it be a trap door spider?

  • Submitted by: 
    Spideygal
  • Submitted: Apr 15, 2018
  • Photographed: Apr 15, 2018
  • Spider: Aptostichus
  • Location: Malibu/Ventura County Line , California, United States
  • Spotted Outdoors: Ground layer (leaf litter, dirt, grass, etc),Saltwater ocean, river, lake, stream
  • Found in web?: No
  • Attributes: Dorsal
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ItsyBitsySpideygalBugmanDanDisco Recent comment authors
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Disco
Member

I think this is a Trap Door spider of some kind (Ctenizidae). My initial guess based on coloration and location would be Ummidia spp. but I can’t see the legs well enough to say for certain how accurate that is.

BugmanDan
Member

I might suggest female Bothriocyrtum californicum, I can’t see detail to be certain of Ummidia genus,but possible.
http://nathistoc.bio.uci.edu/spiders/Bothriocyrtum%20californicum.htm

ItsyBitsy
Moderator

Hi, welcome to Spider ID. 🙂 This looks like a Wafer-lid Trapdoor Spider (Euctenizidae, Aptostichus sp.).
https://bugguide.net/node/view/1211239/bgimage