Anacroneuria singularis Righi-Cavallaro & Lecci, 2010

Carvalho, André De Sousa, Almeida, Lucas Henrique De, Azevêdo, Carlos Augusto Silva De & Lima, Lucas Ramos Costa, 2020, The genus Anacroneuria Klapálek, 1909 (Plecoptera: Perlidae) from Maranhão State, northeastern Brazil, Zootaxa 4860 (3), pp. 435-444 : 439-441

Anacroneuria singularis Righi-Cavallaro & Lecci, 2010

( Fig. 1B , 2 E–F)

Anacroneuria singularis Righi-Cavallaro & Lecci, 2010: 42 ; Novaes & Bispo 2014: 435 ; Ribeiro et al. 2015: 296; Ribeiro & Gorayeb 2016: 434; Firmino et al. 2019: 447 ; Rippel et al. 2019: 360 .

Distribution. BRAZIL: States of Mato Grosso do Sul, São Paulo, Minas Gerais and Pará. New record: State of Maranhão.

Material examined. BR, MA: Mirador , Parque Estadual do Mirador, Base da Geraldina, 06°37’25”S, 45°52’08”W, 419m, 10–20/IV/2014, F. Limeira-de-Oliveira, 1 male . Caxias municipality, Pé da Serra, Itapecuru River, 05°07′28.5″S, 43°33′02.3″W, 60m, 28/VII/2018, Nascimento, J.I.S. Jesus, D.C. Sousa and M.A.G. Almeida, 2 males ; same data except 21/XI/2018, 1 male .

Morphometric data. Male (n=4) forewing length: 7.9–10 mm (mean= 9.23 mm).

Remarks. The species had been recorded in the Amazon Forest of the State of Pará ( Ribeiro & Santos 2018) and Rondônia ( Firmino et al. 2019); and in the Cerrado in the states of Mato Grosso do Sul ( Righi-Cavallaro & Lecci 2010), Minas Gerais ( Novaes & Bispo 2014), and Tocantins ( Rippel et al. 2019). Our record is the first record for the State of Maranhão and northeastern Brazil ( Fig. 1B ).

Figures

FIGURES 1A–D. Maps of South America with emphasis on distribution of the species in Brazil and Maranhão State highlighted. A, Anacroneuria atrifrons and A. manauensis; B, A. singularis and A. leccii sp. nov.; C, A. minuta; D, A. marlieri.

FIGURES 2A–F. Males of some species found in Maranhão State, Brazil. A–B, Anacroneuria atrifrons: A, head and pronotum; B, wings (forewing above, hind wing below). C–D, Anacroneuria minuta: C, head and pronotum; D, wings (forewing above, hind wing below). E–F, Anacroneuria singularis: E, head and pronotum; F, wings (forewing above, hind wing below). (Scale bars: 1.0 mm)