Fig. 19 in It is a mess! How many species are in Rivudiva trichobasis Lugo- Ortiz & McCafferty, 1998 (Ephemeroptera: Baetidae)?

Fig. 19. Rivudiva coveloae (Traver, 1971) male imago, holotype (PERC). A. Dorsal view. B. Detail of forewing. C. Genitalia (v.v.). D. Hind wing. E. Detail of genitalia (d.v.). F. Detail of genitalia (v.v.). G. Detail of genitalia (v.v.). Scale bars: A–B = 2.5 mm; C = 0.3 mm; D = 0.45 mm; E–G = 0.08 mm.