(Ground Sac Spiders)

The spider family Trachelidae, commonly known as Ground Sac Spiders, have been sighted 72 times by contributing members. Based on collected data, the geographic range for Trachelidae includes 3 countries and 25 states in the United States. Trachelidae is most often sighted indoors, and during the month of October.

Taxonomic Hierarchy

  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Class: Arachnida
  • Order: Araneae
  • Suborder: Araneomorphae
  • Family: Trachelidae

Other Common Names

Sac Spiders, Ground Sac Spiders


Eugène Simon, 1897

Sightings Overview

There have been 72 confirmed sightings of Trachelidae (Ground Sac Spiders), with the most recent sighting submitted on November 21, 2023 by Spider ID member bridget-hulsizer. The detailed statistics below may not utilize the complete dataset of 72 sightings because of certain Trachelidae sightings reporting incomplete data.

  • Web: 6% of the time, Trachelidae spiders are sighted in a spider web (Sample size: 72)
  • Sex: 1 female and 6 male.
  • Environment: Trachelidae has been sighted 11 times outdoors, and 62 times indoors.
  • Outdoors: Man-made structure (5). Low foliage (3). Ground layer (3).

Location and Range

Trachelidae (Ground Sac Spiders) has been sighted in the following countries: Brazil, Mexico, United States.

Trachelidae has also been sighted in the following states: Arizona, California, Connecticut, Florida, Georgia, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maryland, Michigan, Missouri, Nebraska, New Hampshire, New Jersey, New Mexico, New York, Ohio, Pennsylvania, Rhode Island, South Carolina, Texas, Virginia, Washington, D.C..


Trachelidae has been primarily sighted during the month of October.

  • January: 4
  • February: 2
  • March: 8
  • April: 8
  • May: 9
  • June: 1
  • July: 3
  • August: 1
  • September: 11
  • October: 18
  • November: 6
  • December: 1

Additional Remarks

  • There are two different spider families with similar spelling; careful not to confuse Trachelidae for Trechaleidae, or vice versa.

Genus: Meriola

Genus: Trachelas

Genus: Trachelopachys

Featured Pictures

Picture of Trachelidae (Ground Sac Spiders) - Dorsal Enlarge Picture
Picture of Trachelidae (Ground Sac Spiders) - Dorsal Enlarge Picture
Picture of Trachelidae (Ground Sac Spiders) - Male - Dorsal Enlarge Picture
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