Four new species of Saetherocladius Andersen et Mendes from Mata Atlântica, Brazil (Diptera: Chironomidae: Orthocladiinae) Author Andersen, Trond Author Mendes, Humberto F. Author Pinho, Luiz C. text Zootaxa 2010 2608 45 56 journal article 10.5281/zenodo.197747 2f6b9954-71bf-427f-9804-0c228af11d58 1175-5326 197747 Key to the males of Saetherocladius Andersen et Mendes 1. AR <0.51; virga <12 µm long.................................................................................................................................... 2 - AR> 0.69; virga> 15 µm long.................................................................................................................................... 4 2. Gonostylus without distinct outer projection; anal point parallel-sided or tapering..................................................... 3 - Gonostylus with distinct outer projection; anal point weakly spatulate ( Fig. 17 ) ....................... S. triangulatus sp. n. 3. Gonostylus widest in basal half; inferior and superior volsella well separated, inferior volsella without dorsal microtrichia ( Figs 1–2 ). ................................................................................................... S. hirtus Andersen et Mendes - Gonostylus widest medially; inferior and superior volsella less well separated, inferior volsella with dorsal microtri- chia ( Figs 6–8 ). .................................................................................................................................. S. fusticulus sp. n. 4. Inferior volsella sharply triangular; outer projection of gonostylus with bare, sclerotized apex; virga 16 μm long ( Figs 12–13 ) ............................................................................................................................................. S. fusus sp. n. - Inferior volsella bluntly triangular; outer projection of gonostylus with microtrichia towards apex; virga 24–26 μm long ( Figs 23–25 ) .......................................................................................................................... S. urubiciensis sp. n.