Genital anatomy of Laeocathaica odophora Möllendorff, 1899, HBUMM08430-spec.1 A general view B ventral view of dart sac apparatus C left view of dart sac apparatus D cross-section of dart sac at the position arrowed in (A). Abbreviations: AS – accessory sac; At – atrium; BC – bursa copulatrix; BCD – bursa copulatrix duct; DS – dart sac; DtC – a chamber containing love dart; Ep – epiphallus; FO – free oviduct; MG – mucous glands; P – penis; PAS – proximal accessory sac; PO – opening of proximal accessory sac leading to dart chamber; PR – penial retractor muscle; PS – penial sheath; Va – vagina; VD – vas deferens.