Simonia youyiensis, male habitus (A, B), female habitus (C, D) and epigyne (E–G) A dorsal B ventral C dorsal D ventral E intact, ventral F cleared, ventral (blue dashed line showing the anterior margin of the epigynal plate) G cleared, dorsal (green dashed line showing schematic course of copulatory duct). Abbreviations: CB = copulatory bursa; CD = copulatory duct; FD = fertilization duct; Sc = scape; SH = spermathecal head; SS = spermathecal stalk; Sp = spermatheca; TF = transverse fold of epigynal plate. Scale bars: 0.5 mm (A–D); 0.2 mm (E–G).