SEIFERT, B. <i>Formica nigricans</i> Emery, 1909 - an ecomorph of <i>Formica pratensis</i> Retzius, 1783 (Hymenoptera, Formicidae). Entomologica Fennica, [S. l.], v. 2, n. 4, p. 217–226, 1991. DOI: 10.33338/ef.83554. Disponível em: https://journal.fi/entomolfennica/article/view/83554. Acesso em: 23 nov. 2024.