Requested reference
Merrett, P. & Ashmole, N. P. (1989). A new troglobitic Theridion (Araneae: Theridiidae) from the Azores. Bulletin of the British Arachnological Society 8(2): 51-54. 
-- Show included taxa
Merrett, P. & Ashmole, N. P. (1989). A new troglobitic Theridion (Araneae: Theridiidae) from the Azores. Bulletin of the British Arachnological Society 8(2): 51-54. -- Show included taxa