Latrodectus
(Widow Spiders)

Picture ID 16523

Picture of Latrodectus (Widow Spiders) - Ventral,Webs

Comments & ID Thoughts

No idea. Found it out back in the yard area. It was hanging on its web which is spun on the bottom bottom corner side of the house. Zoomed in on picture. Spider is almost the size of a quarter including its outstretched legs.

  • Submitted by: 
    chelseaburtis
  • Submitted: May 31, 2018
  • Photographed: May 31, 2018
  • Spider: Latrodectus (Widow Spiders)
  • Location: Grand Junction, Colorado, United States
  • Spotted Outdoors: Man-made structure (building wall, fences, etc.),High foliage (includes trees and tree trunks),Ground layer (leaf litter, dirt, grass, etc)
  • Found in web?: Yes
  • Attributes: Ventral, Webs
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ItsyBitsy

Hi, this is a Black Widow (Latrodectus sp.). Probably Latrodectus hesperus (Western Black Widow), the almost non-existent hourglass looks like L. variolus (Northern Black Widow) though I don’t know if it ranges that far west so only filing to genus.

Additional Pictures

Picture of Latrodectus spp. (Widow Spiders) Enlarge Picture
Picture of Latrodectus spp. (Widow Spiders) - Dorsal Enlarge Picture
Picture of Latrodectus spp. (Widow Spiders) - Male - Dorsal Enlarge Picture
Picture of Latrodectus spp. (Widow Spiders) Enlarge Picture