Unidentified

Picture ID 130613

Picture of unidentified spider

Comments & ID Thoughts

Spiny-backed spider, female, white version, underside. Seems to always hang on web with underside toward the light.

  • Submitted by: 
    DeeS
  • Submitted: Oct 25, 2020
  • Photographed: Oct 23, 2020
  • Spider: Unidentified
  • Location: Bryan, Texas, United States
  • Spotted Outdoors: High foliage (includes trees and tree trunks)
  • Found in web?: Yes
  • Attributes:
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TangledWeb

That’s an interesting observation. It makes sense to have to black side toward a light source to reduce the risk of being seen. I noticed in dim light that the white and yellow spots on the underside refract light from a camera flash. I suspect that the spots scatter the moonlight’s UV light that some insects use to see at night. That would hide the shape of the spider to the insects.