Abstract
The taxonomy of the genus Incisus Grishin, 2019 is reviewed, including redescriptions of known species, the description of a new species, Incisus mineirus sp. nov., identification keys, and an updated distribution map. Images of the genitalia for each species are included, with the female genitalia being illustrated for the first time. A lectotype and paralectotype for Antigonus incisus Mabille, 1878, and neotypes for Staphylus ordinarius Hayward, 1933 and Nisoniades aterea Plötz, 1884, are designated. Staphylus ordinarius Hayward, 1933 is a syn. nov. of Incisus fasciatus (Hayward, 1933). Antigonus variegatus Mabille, 1878 is a syn. nov. of Nisoniades macarius Herrich-Schäffer, 1870, and Staphylus dentivittata Hayward, 1933 is a syn. nov. of Staphylus musculus (Burmeister, 1875). Additionally, the subgeneric name Stolla Grishin, 2023 is a syn. nov. of Uniphylus Lemes, Siewert, Mielke, Casagrande & Warren, 2023.
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