Unidentified

Picture ID 115963

Picture of unidentified spider

Comments & ID Thoughts

Don't know that I have seen this fella with the two black legs....

  • Submitted by: 
    Wendave70
  • Submitted: Jul 13, 2020
  • Photographed: Jul 13, 2020
  • Spider: Unidentified
  • Location: Sandston, Virginia, United States
  • Spotted Outdoors: Man-made structure (building wall, fences, etc.)
  • Found in web?: No
  • Attributes:
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Helper-Harvestman

How about a male Schizocosa bilineata?

https://bugguide.net/node/view/756856

Helper-Harvestman

I started to wonder what function the “tibial brushes” serve, and found this* article: “The function of these foreleg modifications has been studied most extensively in the genus Schizocosa. Since the courtship displays of all male Schizocosa incorporate a seismic component, foreleg ornamentation (namely pigmentation and associated “brushes”) composes only one part of a multimodal courtship display.” “All known Schizocosa species possess a seismic component to their courtship display and seismic signaling is believed to be ancestral in this genus (Stratton 2005). A survey across wolf spiders found male foreleg ornamentation to be associated with the presence of active leg-waving… Read more »

Helper-Harvestman

Haha! That’s a great interpretation. Fancy schmancy legs! I’m sure the display is fabulous. I’d look up and watch a video of it, but I’m working off of a cellphone hotspot right now and don’t want to use up all the data. I’ve seen videos of some spider displays, but only one in person – displaying to me. It perplexed me for many years, until I read that some male jumping spiders will display to any female jumper they see. Maybe he thought I looked like a lady spider. (?) I’m guessing it was Phidippus audax – he was black… Read more »

Helper-Harvestman

Oh, yes. I dance. I try to do it in the same rhythm, too. Each movement is smooth and measured, and I freeze between moves, all the while with a silly grin on my face. It’s my favorite spider story to tell.