Taxonomic Hierarchy
- Kingdom: Animalia
- Phylum: Arthropoda
- Class: Arachnida
- Order: Araneae
- Suborder: Araneomorphae
- Family: Cheiracanthiidae
- Genus: Cheiracanthium
Common Name (AAS
)
Long-legged Sac Spiders
Other Common Names
Yellow Sac Spiders, Prowling Spiders, Sac Spiders
Author
Carl Ludwig Koch, 1839
Sightings Overview
There have been 139 confirmed sightings of Cheiracanthium (Long-legged Sac Spiders), with the most recent sighting submitted on March 8, 2025 by Spider ID member tangledweb. The detailed statistics below may not utilize the complete dataset of 139 sightings because of certain Cheiracanthium sightings reporting incomplete data.
- Web: 13% of the time, Cheiracanthium spiders are sighted in a spider web (Sample size: 139)
- Sex: 1 female and 38 male.
- Environment: Cheiracanthium has been sighted 15 times outdoors, and 125 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: 16
- April: 28
- May: 54
- June: 5
- July:
- August: 1
- September: 6
- October: 7
- November: 1
- December: 3
Additional Remarks
Cheiracanthium species are sometimes mistaken for “brown recluses” (Loxosceles reclusa) inside homes.