Sampling localities of adult and larva of Chalcorana crassiovis specimens for this study. Black circles represent localities of specimens which were examined. White triangles represent localities of specimens which were examined and measured. Red stars represent localities of specimens which were examined, measured, and sequenced. Type locality of C. kampeni shown by number 1 (Bandar Baru), number 2 (Kerinci) for C. crassiovis. Provinces are shown by alphabet: A Aceh, B Sumatera Utara, C Riau, D Sumatera Barat, E Jambi, F Bengkulu, G Sumatera Selatan, H Lampung. Borders between provinces are represented by black lines. The map was prepared using GeoMapApp (Ryan et al. 2009).