Amaurobius

Amaurobius is a genus of spiders in the family Amaurobiidae. Amaurobius spiders have been sighted 158 times by contributing members. Based on collected data, the geographic range for Amaurobius includes 9 countries and 15 states in the United States. Amaurobius is most often sighted indoors, and during the month of May.

Taxonomic Hierarchy

Kingdom: Animalia
Phylum: Arthropoda
Class: Arachnida
Order: Araneae
Suborder: Araneomorphae
Family: Amaurobiidae
Genus: Amaurobius

Author

Carl Ludwig Koch, 1837

Sightings Overview

There have been 158 confirmed sightings of Amaurobius, with the most recent sighting submitted on February 24, 2025 by Spider ID member superboppy. The detailed statistics below may not utilize the complete dataset of 158 sightings because of certain Amaurobius sightings reporting incomplete data.

Web: 11% of the time, Amaurobius spiders are sighted in a spider web (Sample size: 158)
Sex: 8 female and 71 male.
Environment: Amaurobius has been sighted 42 times outdoors, and 125 times indoors.
Outdoors: Man-made structure (18). Ground layer (9). Under rock or debris (13). Forest (1). Cave (1).

Location and Range

Amaurobius has been sighted in the following countries: Canada, Germany, Greece, Ireland, Serbia, Spain, Sweden, United Kingdom, United States.

Amaurobius has also been sighted in the following states: Connecticut, Illinois, Indiana, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Virginia, West Virginia, Wisconsin.