A geometric morphometric and microsatellite analyses of Scaptotrigona mexicana and S. pectoralis (Apidae: Meliponini) sheds light on the biodiversity of Mesoamerican stingless bees - Miguel Hurtado-Burillo; Laura Jara; William de Jesús May-Itzá; José Javier G. Quezada-Euán; Carlos Ruiz; Pilar De la Rúa (Journal of Insect Conservation, 2016)