Alvarez, Leopoldo, Wagner Silva, Mariano Lucia, and Antonio Aguiar. “The First Cases of Gynandromorphism in Oil‑collecting Bees (Hymenoptera, Apidae: Centridini, Tapinotaspidini)”. Papéis Avulsos de Zoologia 59 (August 15, 2019): e20195936. Accessed December 6, 2019. https://www.revistas.usp.br/paz/article/view/156818.