Sphragis of butterfly species a ventral b lateral, category of the sphragis in parenthesis. 1 Parnassius autocrator (4) 2 P. charltonius (4) 3 P. delphius (4) 4 P. imperator (4) 5 P. mnemosyne (4) 6 P. phoebus (4) 7 P. tenedius (4) 8 Luehdorfia chinensis (3). Scale bar = 1 mm.
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