Summary details for Amaurobius ferox (Walckenaer, 1830)

Species Details

Species name
Amaurobius ferox (Walckenaer, 1830)
Synonyms
Amaurobius mordax, Ciniflo ferox (Walckenaer, 1830)
Taxonomy
Animalia :: Araneae :: Amaurobiidae
habitat
shaded woodland floor

Distribution

The species is widely distributed in England, mainly near the coast in Wales and with few records for Scotland. It is a Holarctic species, widespread in western and central Europe, but becoming rare in the north. It is absent from Norway, an occasional import in Finland and listed in the Red List for Sweden (Gardenfors 2000). The species has been introduced to Canada, the United States and Mexico.

Habitat and ecology

The species is found in gardens, cellars and outhouses under rubble or other debris but is also recorded in more natural habitats under logs in woodland or hedgerows and under stones. According to Bristowe (1958) the species is more likely than the other two Amaurobius species to be found in shady and damper situations in walls or at the entrances to caves or tunnels. It is probably under-recorded despite its large size and impressive appearance. Adults occur throughout the year but mainly in the spring and early summer.

Status

The spider is much less common than A. fenestralis and A. similis and becomes rare in the north of Britain. Authors of profile: Peter Harvey & Geoff Oxford

Reference

Bristowe, W. S. 1958. World of spiders. London: Collins New Naturalist. Gardenfors, U. (ed.) 2000. Rodlistade arter i Sverige 2000 - The 2000 Red List of Swedish Species. Uppsala: ArtDatabanken, SLU. 397 pp.

Stats

First recorded
1820
Last recorded
2025
Total records
1,598
Total visits
1,581

Conservation status

Amaurobius ferox
SourceReporting categoryDesignationDate designatedComments
A Review of the scarce and threatened spiders (Araneae) of Great Britain: Species Status No. 22 (Sep 2017)Red listing based on 2001 IUCN guidelinesLeast concern01/09/2017

Spatial distribution - hectad map

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Rejected records are excluded from this map. Unverified records are included.

Temporal distribution - records by year

Records that span more than one year are not included in this chart.

Temporal distribution - records by week