They usually have a brown cephalothorax with diffuse, indistinct darker brown markings on the legs and abdomen. The underside of the abdomen has a characteristic yellow marking with no spots, distinguishing it from other Tegenaria species. Detailed examination is required.
Tegenaria agrestis in Britain is usually found among sparse grassy vegetation and under stones, particularly on waste ground (e.g. in the centre of cities) and alongside railway tracks.
Adults of both sexes are found mainly in late summer and autumn.
The sheet web extends from the retreat and is supported by vegetation. The egg-sac is a multi-layered structure, one layer of which is often composed of mud and other debris.
First recorded in Britain from Wilverley Plain, Hampshire in 1949, this species has colonised northwards over the last half century (Merrett 1979). It now has a wide but patchy Distribution: through much of England and Wales, and is colonising Scotland (e.g. Stewart 1987).
There were 10 known sites for this species as of 1996.
1052 British records for this species to 2018
Leicestershire & Rutland Map
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