Diagnostic characters of known Cycreon species. A–C – C. adolescens sp. n.; D–F – C. floricola borneanus ssp. n.; G–I – C. floricola floricola ssp. n.; K–L, S – C. armandi; O–R – C. sculpturatus. A, D, G, K, O – anterior margin of clypeus; B, E, H, L, P – mentum (superficial sculpture omitted in L and P); C, F, I, M, Q – pronotal punctation; R–S – metatibia. K, M–S redrawn from Shatrovskiy (2017), L based on a photo provided by A. Shatrovskiy (pers. comm., 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. https://doi.org/10.3897/dez.65.26261