Resumen

MURRIETA MOREY, Germán Augusto; TUESTA ROJAS, Carlos Alfredo; SATALAYA ARELLANO, Harvey  y  RODRIGUEZ CHU, Luciano Alfredo. A new species of Cosmetocleithrum (Monogenea, Dactylogyridae) from the gills of Auchenipterichthys coracoideus (Siluriformes, Auchenipteridae) from the Peruvian Amazonia. Rev. peru biol. [online]. 2024, vol.31, n.1, e26253.  Epub 15-Mar-2024. ISSN 1727-9933.  http://dx.doi.org/10.15381/rpb.v31i1.26253.

In this study, a new species of Monogenoidea, Cosmetocleithrum amazonensis n. sp., parasitizing the gills of the silurid Auchenipterichthys coracoideus (Eigenmann & Allen, 1942), is documented. Cosmetocleithrum amazonensis n. sp. is distinguished from all other congeners by possessing an elongated, sclerotized, and sinuous male copulatory organ (MCO) with poorly defined spirals, a sclerotized border at the base, and the distal region supported by the accessory piece. The accessory piece is a single, robust, and non-articulated plate with the MCO. This study presents the third record of a Monogenoidea species in an Auchenipteridae (Siluriformes) host from Peru.

Palabras clave : Auchenipterid; Ectoparasite; Iquitos; Monogenea; Taxonomy; nueva especie.

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