Female to 12mm; male to 10mm.
'Mousey'. The grey-brown carapace and the grey, furry abdomen are low and flat (photo). The sexes are similar.
A nocturnal wanderer on walls where it searches for insect prey. Europe, Asia, and N America. Adult females all year; males from spring to autumn.
'Bitten on left hand. Looked like large pimple with pus-head surrounded by red inflammation. Wound burst and entire hand became septic. Wife also bitten: same painful wound for 7 days.'