http://www.google.cz/images?q=Theridion+nigroannulatum&oe=utf-8&rls=org.mozilla:cs:official&client=firefox-a&um=1&ie=UTF-8&source=univ&ei=upkTTZu2MtHA8QPszJGEBw&sa=X&oi=image_result_group&ct=title&resnum=2&ved=0CC0QsAQwAQ&biw=1680&bih=795
co třeba tento ???
Theridion nigroannulatum