Akodonema luzsarmientae n.g., n.sp. (Nemata: Metastrongyloidea) is described from the pulmonary arteries and heart from several individuals of "soft grass mouse," Akodon mollis (Rodentia: Cricetidae), collected in the region of Ancash, Peru. The new genus and species is distinguished by a reduction of the dorsal ray to 2 small widely separated papillae.

Se colectaron 227 parásitos en estadío juvenil correspondientes al género Postharmostomum sp., Witenberg, 1923 (Trematoda: Digenea), localizados en la cavidad pericárdica de dos individuos del caracol terrestre Megalobulimus maximus colectados en el distrito de Juanjui,