Simothraulopsis sinuosus Lima , 2018

Nascimento, Stênio Raniery de Sousa, Lima, Lucas Ramos Costa & de Azevêdo, Carlos Augusto Silva, 2020, Leptophlebiidae Banks, 1900 (Insecta, Ephemeroptera) from Maranhão state, Brazil, Check List 16 (3), pp. 579-591 : 586-587

Simothraulopsis sinuosus Lima, 2018

Figures 22, 41

Simothraulopsis sinuosus Lima 2018: 254 .

Diagnosis. Male imago: 1) hind wing with costal projection forming a right angle, located approximately ½ distance from base to apex of wing; 2) abdominal terga II–VII with medio-basal, translucent, yellow angles ( Fig. 22); 3) penis projection spine-like, sinuous, mediumsized (approximately ½ of the total length of penis lobes), slightly laterally directed ( Fig. 41); 4) penis lobes fused on basal half, with a shallow concavity in the junction of the lobes ( Fig. 41). Adapted from Lima (2018).

Geographical distribution. Brazil: states of Maranhão * and Piauí.

Material examined. BRAZIL • 1 imago ♂; Maranhão state, Caxias municipality, Pé da Serra, Rio Itapecuru ; 05°07′28.5″S, 043°33′02.3″W; 68 m a.s.l.; 20 Dec. 2017; S. R. S. Nascimento, J.I.S. Jesus, D.C. Sousa and M.A.G. Almeida leg; light trap; LEAq .