Male genitalia of Cycreon species (except C. sculpturatus for which male remains unknown). A–D – C. floricola floricola ssp. n., holotype; E–H – C. floricola borneanus ssp. n., holotype; I–J – C. adolescens sp. n., holotype; K–M – C. armandi Shatrovskiy, 2017, holotype. A, E, K – median lobe; B, F – median lobe in lateral view; C, G, L – tegmen; D, H, M – sternite 9; I – whole aedeagus; J – reconstructed shaped of the median lobe. K–M adapted from Shatrovskiy (2017).

  Part of: Arriaga-Varela E, Wong SY, Kirejtshuk A, Fikácek M (2018) Review of the flower-inhabiting water scavenger beetle genus Cycreon (Coleoptera, Hydrophilidae), with descriptions of new species and comments on its biology. Deutsche Entomologische Zeitschrift 65(1): 99-115.