Thraulodes sternimaculatus, Lima, Mariano & Pinheiro, 2013

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 : 587

Thraulodes sternimaculatus Lima, Mariano & Pinheiro, 2013

Figures 25, 44

Thraulodes sternimaculatus Lima et al. 2013: 236; Boldrini et al. 2018: 280 ; Nascimento et al. 2019a: 287.

Diagnosis. Male imago: 1) costal membrane basal to bulla without cross veins; 2) costal and subcostal zones of the forewing translucent; 3) one band on femora; 4) abdominal segments in dorsal view predominantly translucent, with three dark, lateral spots on terga II–VII ( Fig. 25); 5) subapical spines of penis short and narrow, apicolateral area not forming an “ear”, lateral pouch present and without recurved folds ( Fig. 44). Adapted from Lima et al. (2013).

Geographical distribution. Brazil: states of Maranhão, Pernambuco, and Piauí.

Material examined. BRAZIL • 93 imagos ♂; Ma- ranhão state, Caxias municipality, Riacho Guarimã; 04°50′02.9″S, 043°29′06.1″W; 51 m a.s.l.; 16 Jun. 2018; S. R. S. Nascimento leg; light trap; CZMA, LEAq .