Pterotiltus Karsch 1893

GenusPterotiltusKarsch, 1893 = Pygostolus Karsch, 1891 (syn. Karsch 1893) Type species. — Pterotiltus impennis (Karsh, 1891). Subsequent literature. — Ramme 1929: 313. Johnston 1956: 258. Jago 1964: 190–204. Dirsh 1965: 579. Johnston 1968: 173. Dirsh 1970: 119. Hollis 1975: 226. Rowell 2005: 33–43. Oumarou-Ngoute and Rowell 2024: 127–146. Rowell and Oumarou-Ngoute 2025: 1–104. Generic diagnosis. — (Slightly modified from Rowell and Oumarou-Ngoute 2025 in terms of the shape of the ventral surface of female subgenital plate). Our modification: ventral surface of female subgenital plate flat, smoothly rounded, or with a medial groove in the posterior part, which is bounded laterally by two slightly inflated ridges not exceeding the posterior edge of the plate. See Rowell and Oumarou-Ngoute (2025) for the complete redescription and diagnosis of the genus.