Anacroneuria singularis Righi-Cavallaro & Lecci, 2010

Firmino, Viviane Caetano, Ribeiro, José Moacir Ferreira, Santos, Emerson Monteiro Dos & Juen, Leandro, 2019, First occurrence of Anacroneuria singularis Righi-Cavallaro & Lecci, 2010 (Plecoptera: Perlidae) in Rondônia, western Amazonia, Brazil, Zootaxa 4544 (3), pp. 446-450 : 447-448

Anacroneuria singularis Righi-Cavallaro & Lecci

( Fig. 2 )

Anacroneuria singularis Righi-Cavallaro & Lecci, 2010: 42 , figs. 13–18; Novaes & Bispo, 2014: 435 ; Ribeiro et al., 2015: 296 -297-298, figs. 1–13; Ribeiro & Gorayeb, 2016: 566 –569.

Diagnosis of nymph. General color dark brown, antennae brownish, basally light yellow; two ocelli; frons uniformly dark brown; parietalia whitish; compound eyes black; postfrontal line U-shaped; Thorax, pronotum dorsally brown with ochraceous spots, lateral margins light brown, anterior and posterior margins dark brown.

Known distribution. Brazil, Mato Grosso do Sul, São Paulo (Rigui-Cavallaro & Lecci, 2010); Minas Gerais ( Novaes & Bispo, 2014) and Pará states ( Ribeiro et al., 2015; Ribeiro & Gorayeb, 2016).

New records. Brazil, Rondônia, Porto Velho municipality, district of Jaci-Paraná, Roncador stream, 09°27’13.6”S, 64°19’23.2”W, 17.x.2017, dip net, Monteiro-Santos, E. leg., 7 nymphs (4 nymphs—LABECO and 3 nymphs—CMLIA) ( Fig. 2 ) .

Figures

FIGURE 2. Mature nymph of Anacroneuria singularis collected in Roncador Stream, northern Rondônia, Brazil. A. Body, dorsal view; B. Thorax, dorsal view. The scale is 1 mm. (Photos: V.C. Firmino).