(Ground Sac Spiders)

The spider family Trachelidae, commonly known as Ground Sac Spiders, have been sighted 70 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 70 confirmed sightings of Trachelidae (Ground Sac Spiders), with the most recent sighting submitted on February 20, 2020 by Spider ID member united90. The detailed statistics below may not utilize the complete dataset of 70 sightings because of certain Trachelidae sightings reporting incomplete data.

  • Web: 6% of the time, Trachelidae spiders are sighted in a spider web (Sample size: 65)
  • Sex: 5 female and 6 male.
  • Environment: Trachelidae has been sighted 11 times outdoors, and 55 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, Massachusetts, Michigan, Missouri, Nebraska, New Hampshire, New Jersey, New Mexico, New York, Ohio, Pennsylvania, South Carolina, Texas, Virginia, Washington, D.C..


Trachelidae has been primarily sighted during the month of October.

  • January: 4
  • February: 2
  • March: 8
  • April: 7
  • May: 9
  • June: 1
  • July: 3
  • August: 1
  • September: 11
  • October: 19
  • November: 3
  • 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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