HÁVA J. 2023n: Study of the genus Orphinus Motschulsky, 1858. Part 6 - description of a new species from Vietnam with new nomenclatural acts (Coleoptera: Dermestidae: Megatominae). Folia Heyrovskyana, Series A 31(1): 18-20. Háva J. • 2023-06-XX • Folia Heyrovskyana, Series A 31 (1) : 18-20