Requested reference
Levi, H. W. (1964g). The spider genus Helvibis (Araneae, Theridiidae). Transactions of the American Microscopical Society 83: 133-142. -- Show included taxa
Levi, H. W. (1964g). The spider genus Helvibis (Araneae, Theridiidae). Transactions of the American Microscopical Society 83: 133-142. -- Show included taxa