BILLEN, J.; AL-KHALIFA, M. S. Morphology and ultrastructure of the pro- and postpharyngeal glands in workers of Pachycondyla sennaarensis. Sociobiology, Feira de Santana, Brazil, v. 62, n. 2, p. 270–275, 2015. DOI: 10.13102/sociobiology.v62i2.270-275. Disponível em: https://periodicos.uefs.br/index.php/sociobiology/article/view/730. Acesso em: 6 jul. 2026.