Dysdera

Dysdera is a genus of spiders in the family Dysderidae. Dysdera spiders have been sighted 215 times by contributing members. Based on collected data, the geographic range for Dysdera includes 10 countries and 32 states in the United States. Dysdera is most often sighted indoors, and during the month of April.

Taxonomic Hierarchy

Kingdom: Animalia
Phylum: Arthropoda
Class: Arachnida
Order: Araneae
Suborder: Araneomorphae
Family: Dysderidae
Genus: Dysdera

Author

Pierre André Latreille, 1804

Sightings Overview

There have been 215 confirmed sightings of Dysdera, with the most recent sighting submitted on February 24, 2025 by Spider ID member undhockey. The detailed statistics below may not utilize the complete dataset of 215 sightings because of certain Dysdera sightings reporting incomplete data.

Web: 8% of the time, Dysdera spiders are sighted in a spider web (Sample size: 214)
Sex: 11 female and 7 male.
Environment: Dysdera has been sighted 96 times outdoors, and 136 times indoors.
Outdoors: Man-made structure (35). Low foliage (6). High foliage (1). Ground layer (20). Under rock or debris (29). Freshwater river, lake, stream (1). Cave (4).

Location and Range

Dysdera has been sighted in the following countries: Canada, Ireland, Lebanon, Mexico, Portugal, South Africa, Spain, Switzerland, United Kingdom, United States.

Dysdera has also been sighted in the following states: Alabama, Arizona, California, Colorado, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Nebraska, Nevada, New Jersey, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, Wisconsin.