Parspina virescens Ostrowski de Núñez, Arredondo & Gil de Pertierra, 2011

Material deposited: MACN-Pa (type material).

Host: Eigenmannia virescens (Valenciennes) (type host) ( Gymnotiformes: Sternopygidae).

Locality: Colastiné River (tributary of Paraná River) (type locality), Santa Fe Province.

Site of infection: Pyloric caeca, anterior and middle part of intestine.

Reference: Ostrowski de Núñez et al. (2011b).

Remarks: Ostrowski de Núñez et al. (2011b) studied the tegument surface of the species, which was compared with that of Parspina argentinensis and P. carapo .