Steatoda grosse

theridiidae around the world, cosmopolitan family of cruciferous species.
It is often confused with some species Latrodectus (black widow).
The cosmopolitan species has been identified in Europe, but also to the United States or Australia.
  In nature, can be found in rocky areas or dark trunks drzew.Typowe species of human dwellings, Steatoda grossa likes dark corners, holes in the walls of cellars, for, furniture; particularly in the corners and the ground.
Steatoda grossa may bite people in the last resort.
The bite is not more painful than a bee sting. There swelling, nausea and malaise may last for several days.