Microvelia venustatis Drake & Harris, 1933

Microvelia venustatis Drake & Harris, 1933b: Proc. Biol. Soc. Wash., 53.

Material examined. On the road to Itatí RS: 1 ♀, Mercedes Department, Pay Ubre Grande Stream, Provincial Route 29, 25 km NW Mercedes, 25.ix.2003; 8 ♂, 4 ♀, Mercedes Department, Pay Ubre Chico Stream, Provincial Route 29, 25 km NW Mercedes, 27.ix.2003.

General distribution. Colombia, Brazil, Peru, Paraguay, Argentina (Molano et al. 2016).

Habitat. This species is usually found along the vegetated margins of streams and rivers in standing or slowmoving water and in flood-prone areas of streams in shaded areas (Torres et al. 2007; Rodrigues et al. 2021b), but it has also been collected where vegetation was absent in unshaded areas (Torres et al. 2007), and in pools along dry streams (Dias-Silva et al. 2013). It has also been found in puddles and ponds (Pereira & Melo 2007).

At the INR, specimens were collected in standing or slow-moving water along the margins without aquatic vegetation of Pay Ubre Chico Stream and Pay Ubre Grande Stream, in shaded places.

Remarks. The collection of M. venustatis from INR represents the first record from Corrientes Province. This species was collected together with M. hinei and M. mimula .