Requested reference
Levi, H. W. (1980b). Two new spiders of the genera Theridion and Achaearanea from North America. Transactions of the American Microscopical Society 99(3): 334-337. doi:10.2307/3226010 
-- Show included taxa
Levi, H. W. (1980b). Two new spiders of the genera Theridion and Achaearanea from North America. Transactions of the American Microscopical Society 99(3): 334-337. doi:10.2307/3226010 -- Show included taxa