Phylogeny of Halictidae with an emphasis on endemic African Halictinae Bryan N. Danforth, Connal Eardley, Laurence Packer, Kenneth Walker, Alain Pauly and Fano José Randrianambinintsoa Apidologie, 39 1 (2008) 86-101 Published online: 08 April 2008 DOI: 10.1051/apido:2008002