Requested reference
Agnarsson, I. & Kuntner, M. (2005). Madagascar: an unexpected hotspot of social Anelosimus spider diversity (Araneae: Theridiidae). Systematic Entomology 30: 575-592. 
-- Show included taxa
Agnarsson, I. & Kuntner, M. (2005). Madagascar: an unexpected hotspot of social Anelosimus spider diversity (Araneae: Theridiidae). Systematic Entomology 30: 575-592. -- Show included taxa