Demarmels, Jurg Carl. «Sympetrum Paramo Sp. N. (Odonata: Libellulidae) from the Venezuelan High Andes, With a Key to the Species of Sympetrum Newman, 1833 Found in Venezuela». ENTOMOTROPICA, vol. 16, n.º 1, julio de 2007, pp. 15-19, https://saber.ucv.ve/ojs/index.php/rev_ento/article/view/7656.