Requested reference
Fowler, H. G. & Levi, H. W. (1979). A new quasisocial Anelosimus spider (Araneae, Theridiidae) from Paraguay. Psyche, Cambridge 86: 11-18. 
-- Show included taxa
Fowler, H. G. & Levi, H. W. (1979). A new quasisocial Anelosimus spider (Araneae, Theridiidae) from Paraguay. Psyche, Cambridge 86: 11-18. -- Show included taxa