Figure 12 in The occurrence of a sphragis and genital modification in Hypermnestra, Archon and Sericinus (Lepidoptera: Papilionoidea: Papilionidae)

Figure 12. Variation in male secretion lining internal wall of the female genital cup in Sericinus montela koreana: (a) secretion complete, partially hollow, but reaching to mouth of cup, (b) secretion, incomplete, at bottom of cup only (also showing base of cup and bursa copulatrix with spermatophore), (c) secretion absent, spermatophore stalk visible at mouth of ostium bursae (also showing base of cup and bursa copulatrix with spermatophore).