Unidentified

Picture ID 22746

Picture of unidentified spider

Comments & ID Thoughts

On its underside it has three very faint stripes, as well as a dark red half-oval marking with a thin cream-colored line around it.

We found it dead but not having been so for long, as it was still supple instead of rigid. We have lived here for nearly ten years and never seen anything like it. It’s not listed on the list of dangerous Caymanian spiders either, so I doubt it is a species harmful to humans.

  • Submitted by: 
    PetLoverSpy
  • Submitted: Jul 4, 2018
  • Photographed: Jun 26, 2018
  • Spider: Unidentified
  • Location: Bodden Town, Cayman Islands
  • Spotted Outdoors: Man-made structure (building wall, fences, etc.)
  • Found in web?: No
  • Attributes:
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Helper-Harvestman

Hey there! This looks like Eriophora ravilla, the Tropical Orb-weaver. iNaturalist has pictures of some almost exactly like this one at:
https://www.inaturalist.org/taxa/53272-Eriophora-ravilla/browse_photos

Orb-weavers are commonly mistaken for false widows due to their round body shapes and (sometimes) glossy abdomens.
Tips for Identification of False Widows (Genus Steatoda):

  • False Widows have very little hair.
  • False Widows are glossy.
  • False Widows are dark in color, ranging from dark brown to black, but may have light-colored markings.

Good job on your description, measurement, and photograph. 🙂