The supra-anal plate, subgenital plate, female external genitalia and spermatheca of the genus Pseudoeupolyphaga, using P. yunnanensis (Chopard, 1922) as an exemplar A supra-anal plate and female external genitalia, ventral view B supra-anal plate and female external genitalia, dorsal view C subgenital plate, ventral view D subgenital plate, dorsal view. Scale bars: 0.1 cm (A–D). Abbreviations: bsv. basivalvula, p.l. posterior lobes of valvifer II, pp. paraprocts, pt. paratergites, sp. spermatheca, sp.pl. spermathecal plate, SVII subgenital plate, TX supra-anal plate, v.I first valvule, v.II second valve, v.III third valve, vlf.Ia first valvifer arm, vst.s vestibular sclerite.