Requested reference
Yoshida, H. (1987a). The occurrence of Theridion lyricum Walckenaer, 1841, in Japan. Atypus 89: 13-16. 
-- Show included taxa
Yoshida, H. (1987a). The occurrence of Theridion lyricum Walckenaer, 1841, in Japan. Atypus 89: 13-16. -- Show included taxa