Egg masses of Demarchus hsui sp. nov. A typical distribution of egg masses of Demarchus hsui sp. nov. on underside of leaf B egg mass removed from point where it was deposited, scratch marks indicated by arrows C egg mass from a different angle with eggs exposed (indicated by arrow) D backlit image with tunnels constructed by the new hatched larvae indicated by arrows.

 
 
  Part of: Lee C-F, Chen J-C (2023) Demarchus hsui (Coleoptera, Chrysomelidae, Galerucinae, Alticini), a new species from Taiwan, with notes on immatures and biology. In: Chaboo CS, Schmitt M (Eds) Research on Chrysomelidae 9. ZooKeys 1177: 3-21. https://doi.org/10.3897/zookeys.1177.97854