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Cheiracanthium
(Long-legged Sac Spiders)

Cheiracanthium, commonly known as Long-legged Sac Spiders, is a genus of spiders in the family Cheiracanthiidae. Cheiracanthium spiders have been sighted 137 times by contributing members. Based on collected data, the geographic range for Cheiracanthium includes 8 countries and 28 states in the United States. Cheiracanthium is most often sighted indoors, and during the month of May.

Taxonomic Hierarchy

  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Class: Arachnida
  • Order: Araneae
  • Suborder: Araneomorphae
  • Family: Cheiracanthiidae
  • Genus: Cheiracanthium

Common Name (AASMore information icon)

Long-legged Sac Spiders

Other Common Names

Yellow Sac Spiders, Prowling Spiders, Sac Spiders

Author

Carl Ludwig Koch, 1839

Sightings Overview

There have been 137 confirmed sightings of Cheiracanthium (Long-legged Sac Spiders), with the most recent sighting submitted on May 21, 2024 by Spider ID member copper5345. The detailed statistics below may not utilize the complete dataset of 137 sightings because of certain Cheiracanthium sightings reporting incomplete data.

  • Web: 13% of the time, Cheiracanthium spiders are sighted in a spider web (Sample size: 137)
  • Sex: 1 female and 37 male.
  • Environment: Cheiracanthium has been sighted 15 times outdoors, and 123 times indoors.
  • Outdoors: Man-made structure (12). Ground layer (2). Under rock or debris (1).

Location and Range

Cheiracanthium (Long-legged Sac Spiders) has been sighted in the following countries: Austria, Canada, Hungary, Israel, Macedonia, Romania, Spain, United States.

Cheiracanthium has also been sighted in the following states: California, Colorado, Connecticut, Idaho, Illinois, Indiana, Kansas, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Nebraska, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Tennessee, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin.

Seasonality

Cheiracanthium has been primarily sighted during the month of May.

  • January: 10
  • February: 8
  • March: 15
  • April: 28
  • May: 54
  • June: 5
  • July:
  • August: 1
  • September: 6
  • October: 7
  • November:
  • December: 3

Additional Remarks

Cheiracanthium species are sometimes mistaken for “brown recluses” (Loxosceles reclusa) inside homes.

Cheiracanthium Species


Featured Pictures

Picture of Cheiracanthium spp. (Long-legged Sac Spiders) Enlarge Picture
Picture of Cheiracanthium spp. (Long-legged Sac Spiders) - Male Enlarge Picture
Picture of Cheiracanthium spp. (Long-legged Sac Spiders) Enlarge Picture
Picture of Cheiracanthium spp. (Long-legged Sac Spiders) Enlarge Picture
Picture of Cheiracanthium spp. (Long-legged Sac Spiders) - Dorsal Enlarge Picture
Picture of Cheiracanthium spp. (Long-legged Sac Spiders) - Ventral Enlarge Picture
Picture of Cheiracanthium spp. (Long-legged Sac Spiders) - Dorsal Enlarge Picture
Picture of Cheiracanthium spp. (Long-legged Sac Spiders) - Dorsal Enlarge Picture
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