Terminal genitalia in the evaginated pouch in Laeocathaica qishilii Wu, sp. nov. (HBUMM08298-spec.8, paratype), showing relative position of dart sac apparatus, vagina, and penis A evaginated pouch of terminal genitalia B the exposed pouch. Arrow indicates the position of the proximal accessory sac. Abbreviations: DS – dart sac; Dt – love dart; EDC – entrance of dart chamber; EOV – external opening of vagina; EOP – external opening of penis; MG – mucous glands; P – penis; PAS – proximal accessory sac; PO – opening of proximal accessory sac leading to dart sac chamber or dart chamber; Va – vagina.