Horvathinia pelocoroides Montandon, 1911

Horvathinia pelocoroides Montandon, 1911b: Ann. Mus. Nation. Hungar., 245.

General distribution. Brazil, Bolivia, Paraguay, Argentina (Moreira et al. 2011b).

Habitat. Very little information exists regarding the habitat associations of this species. Almost all specimens of H. pelocoroides currently known have been captured while flying attracted to lights (Schnack & Estévez 2005; Rodrigues et al. 2020). Almeida et al. (2019) examined material from the Guaporé River (Rondônia State, Brazil). Although sampling methods were not mentioned in the text, we believe this material has also been taken at lights together with Belostoma aurivillianum (Montandon, 1899), collected with light trap in the same place (see p. 5, under “Material examined”). In wetland habitats, H. pelocoroides has been collected from marshes densely filled with floating hydrophytes dominated by Pontederia crassipes and Pistia stratiotes in a permanent shallow pond (Laguna Don Blanco) in Corrientes Province, Argentina (Schnack et al. 2006).

At the INR, specimens were taken at lights in Colonia Carlos Pellegrini (Schnack & Estévez 2005), and collected in association with P. stratiotes, Salvinia sp., Egeria densa and P. crassipes in the Laguna Iberá (Armúa et al. 2011; Armúa de Reyes & Estévez 2016).