Limnogonus aduncus aduncus Drake & Harris
Distribution in Brazil: RR, PA, AM, PE, MT, MG, MS, ES, SP, RJ, PR, SC.
Biological aspects: Six specimens have been collected on a 2nd order stream with partial alteration of the riparian vegetation by pasture and on a well-preserved 3rd order stream.
Comments: This species is widely distributed in South America and occurs on all Brazilian macrorregions, usually associated with semi-lotic or lentic water. Specimens previously recorded from MT as this species by Cabette et al. (2010) actually correspond to a mix of L. ignotus and L. profugus .
Material examined: PT 53, (2♂, 2♀), [nº 1349], 23.VII.2005. PT 26, (1♂), [nº 3762]; (1♂), [n 3764], 06.XI.2007.