Phylogeography and historical demography of the neotropical stingless bee Melipona quadrifasciata (Hymenoptera, Apidae): incongruence between morphology and mitochondrial DNA
Henrique Batalha-Filho, Ana M. Waldschmidt, Lucio A.O. Campos, Mara G. Tavares and Tânia M. Fernandes-Salomão
