Anacroneuria minuta Klapálek, 1922

Rippel, Mellis Layra Soares, Salles, Frederico Falcão, Fernandes, André Silva & Krolow, Tiago Kütter, 2023, New and additional records of Anacroneuria Klapálek (Plecoptera: Insecta) from Tocantins state, Brazil, Zootaxa 5339 (4), pp. 377-389 : 384

Anacroneuria minuta Klapálek, 1922

Anacroneuria minuta Klapálek, 1922: 89 ; Illies 1966: 319; Kimmins 1970: 345; Ribeiro-Ferreira & Froehlich 2001: 188; Froehlich 2002: 80; Ribeiro & Rafael 2009: 2; Froehlich 2010: 162; Ribeiro & Gorayeb 2014: 23 ; Ribeiro & Gorayeb 2016: 434; Rippel et al. 2019a: 360 ; Pessacq et al. 2019: 201; Menezes et al. 2020: 468 ; Carvalho et al. 2020: 439 ; Miguel et al. 2022: 496 ; Deprá et al. 2023: 4.

Material examined. BR, TO: Taguatinga municipality, Ponte Cachoeira do Registro (-12.5058, -46.30484), 483 m, 14/ VI /2018, light sheet, MLS Rippel, TYS Orlando , AS Fernandes, R Boldrini, TK Krolow, 10 males. Wanderlândia municipality, Assentamento Costa Rica, Balneário Águas Lindas (-06.86765, -047.94637), 239 m, 09-10/X/2018, light sheet, MLS Rippel, TYS Orlando, TK Krolow, 3 females. Monte do Carmo municipality, Fazenda Maria, Rio Sucuri (-10.75524, -048.07194), 484 m, 03-04/IV/2019, light pan trap, TYS Orlando, Fernandes, AS, 3 males and 5 females; same data except light sheet, 9 males and 16 females; same data except Pennsylvania trap, 1 female; same data except 04-05/IV/2019, light pan trap, 1 male and 1 female; same data except Córrego Sucuri, cachoeira (stream, waterfall), 13-14/II/2019, 1 female .

Measurements. Male (n=7) forewing length: 9.1 mm – 11 mm (mean= 10.1 mm). Female (n=6) forewing length: 13.9 mm – 12.2 mm (mean= 12.7 mm).

Remarks. This species was first recorded in Tocantins from locations near our previous study ( Rippel et al. 2019a), at that time it was the southernmost record for the species in Brazil. Recently, A. minuta was reported from Goiás state by Miguel et al. (2022), indicating that this species might have a wider distribution towards the midwest of the country. The specimens were found in areas characterized by low order streams belonging to Cerrado as well as transitional areas with Amazon forest. The penial armature of these specimens agrees with the original description of the species.