FRISON , Theodore H. THE BUMBLEBEES OF JAVA, SUMATRA AND BORNEO . Treubia, [S. l.], v. 12, n. 1, p. 1–22, 2016. DOI: 10.14203/treubia.v12i1.1855. Disponível em: https://ejournal.brin.go.id/treubia/article/view/9616. Acesso em: 6 dec. 2025.