Requested reference
Levi, H. W. (1966a). The three species of Latrodectus (Araneae), found in Israel. Journal of Zoology, London 150: 427-432. 
-- Show included taxa
Levi, H. W. (1966a). The three species of Latrodectus (Araneae), found in Israel. Journal of Zoology, London 150: 427-432. -- Show included taxa