FIGURE 4 in The Imaginal Characters of Cincticostella gosei (Allen, 1975) linking the genus Cincticostella Allen, 1971 to Ephacerella Paclt, 1994 (Ephemeroptera: Ephemerellidae)

FIGURE 4. Male and female structures of Cincticostella gosei (digital photos): A. Forewing; B. Hindwing; C. Male head and thorax (ventral view); D. Female abdominal terga (ventral view); E. Genitalia (dorsal view); F. Genitalia (ventral view); G. Genitalia (lateral view). Scale bar: A–C. 1.0 mm; D–G. 0.5 mm.