Wille A. Evolutionary Trends in the Ventral Nerve Cord of the Stingless Bees ( Meliponini). Rev. Biol. Trop. [Internet]. 1961Jul.1 [cited 2024Jul.5];9(1):117–129. Available from: https://revistas.ucr.ac.cr/index.php/rbt/article/view/30124