Nick Upton / Common lace weaver / Lace-webbed spider (Amaurobius similis) male in its web in an old stone wall at night, Wiltshire, UK, September.

Nick Upton / Common lace weaver / Lace-webbed spider (Amaurobius similis) female on its web on an old stone wall, Wiltshire, UK, October.

Nick Upton / Common lace weaver / Lace-webbed spider (Amaurobius similis) near the mouth of its silk-lined crevice in an old stone wall, Somerset, UK, September.

Nick Upton / Common lace weaver / Lace-webbed spider (Amaurobius similis) male approaching a female close to her retreat in an old stone wall, vibrating her web at intervals to court her, Wiltshire, UK, October.

Nick Upton / Common lace weaver / Lace-webbed spider (Amaurobius similis) male in its web in an old stone wall at night, Wiltshire, UK, September.

Chris Mattison / Lace-web spider (Amaurobius similis) a spider associated with human dwellings, Catbrook, Monmouthshire, Wales, UK, December.

Alex Hyde / Cave spider probably (Mesostalita nocturna). This species is a true troglobite (living only in caves) and is highly adapted to the cave environment. Whilst it has no eyes, it is very sensitive to vibr...

Alex Hyde / Black lace-weaver (Amaurobius ferox) female in rotting log. Peak District National Park, Derbyshire, UK. April.

Stephen Dalton / Dysderid Spider (Harpactea hombergi) Sussex, England, UK, June.

Stephen Dalton / Sac spider (Clubiona sp) making its cell (sac), UK, Clubionidae

PREMAPHOTOS / Mud dauber wasp putting spider into nest cell as food for its larva, Brazil {Sceliphron fistularium}

Nick Upton / Black lace-weaver spider (Amaurobius ferox) female, resting on garden shed roof, Wiltshire, UK. June.