Patterns of male production in the stingless bee Melipona favosa (Apidae, Meliponini) Tong X. Chinhinst, Gijs B.J. Grob, Francis J.A.J. Meeuwsen and Marinus J. SommeijerApidologie, 34 2 (2003) 161-170DOI: https://doi.org/10.1051/apido:2003008