Key characters of the Oxylipeurus-complex. 23. Outline of head and temporal macrosetae (cut off distally) of male Chelopistes meleagridis (Linnaeus, 1758), redrawn from Kéler (1939); 24. Outline of head and temporal macrosetae (cut off distally) of female Trichodomedea setosus Carriker, 1946, redrawn from original description; 25. Outline of head and dorsal preantennal suture of male Reticulipeurus (Reticulipeurus) mesopelios (Nitzsch [in Giebel], 1866), redrawn from Gustafsson et al. (2020a); 26. Outline of head and dorsal preantennal suture of male Cataphractomimus junae Gustafsson et al., 2020, redrawn from original description; 27. Outline of head, dorsal anterior suture and conus of Calidolipeurus megalops (Piaget, 1880), redrawn from Gustafsson et al. (2020b); 28. Female terminalia of Calidolipeurus megalops (Piaget, 1880), redrawn from Gustafsson et al. (2020b); vulval margin, lateral macrosetae and subvulval plates not illustrated; 29. Female terminalia of Reticulipeurus (Reticulipeurus) mesopelios (Nitzsch [in Giebel], 1866), redrawn from Gustafsson et al. (2020a); vulval margin, lateral macrosetae and subvulval plates not illustrated; 30. ventral view of pre-antennal area in Gallancyra dentata (Sugimoto, 1934), redrawn from Gustafsson and Zou (2020a). Figures 23–26 and 29–30 reproduced from Gustafsson et al. (2020b), with kind permission of the European Journal of Taxonomy. Abbreviations used: C = conus; CLS = clypeo-labral suture; DPS = dorsal pre-antennal suture; E = eye; HM = hyaline margin; mts3 = marginal temporal seta 3; os = ocular seta. Figures not to scale.