Ventral and parasagittal views of the female genitalia and lateral abdomen with sphragis for Luehdorfia puziloi (a, b, c respectively), and Acraea horta (d, e, f respectively), showing convergence in externalization of female genitalia, reduction in the size of the bursa copulatrix, and how the genitalia is covered by the sphragis. BC, bursa copulatrix, DB, ductus bursae; DS, ductus seminalis; OB, ostium bursa.
Part of: Carvalho APS, Orr AG, Kawahara AY (2017) A review of the occurrence and diversity of the sphragis in butterflies (Lepidoptera, Papilionoidea). ZooKeys 694: 41-70. https://doi.org/10.3897/zookeys.694.13097