JOHANSSON, Niklas; CEDERBERG, Björn. Review of the Swedish species of Ophion (Hymenoptera: Ichneumonidae: Ophioninae), with the description of 18 new species and an illustrated key to Swedish species. European Journal of Taxonomy, [S. l.], n. 550, 2019. DOI: 10.5852/ejt.2019.550. Disponível em: https://ejt.sandbox.publicknowledgeproject.org/index.php/ejt/article/view/749. Acesso em: 25 apr. 2026.