Karyotypes from spermatogonia of four species of dobsonflies in the genus Protohermes A P. grandis (male: 2n = 22 + XY) B P. immaculatus (male: 2n = 22+XY) C P. disjunctus (male: 2n = 22 + XY) D P. costalis (male: 2n = 22 + XY). Scale bar: 5 μm.

 
 
  Part of: Takeuchi Y, Iizuka K, Koishi H, Hoshiba H (2025) Chromosomes of four species of dobsonflies, in the genus Protohermes (Megaloptera, Corydalidae, Corydalinae) from East Asia. Comparative Cytogenetics 19: 75-82. https://doi.org/10.3897/compcytogen.19.146501