Antennae of Rumilara gen. nov. and Hexanchorus: a R. obscura sp. nov.; b R. suppressa sp. nov.; c R. riberai sp. nov.; d R. paterna sp. nov.; e R. leleupi comb. nov.; f H. mcdiarmidi; g H. virilis; h H. shannoni; i H. angeli; j H. rostratus; k H. cordillierae; l H. onorei; m H. tarsalis; n H. usitatus; o H. gracilipes; p H. caraibus; q H. crinitus; r H. dimorphus; s H. emarginatus; t H. browni. (a, k based on dissected antennae; b–j, l–r based on photographs, not to scale, setae omitted).

 
 
  Part of: Linský M, Čiamporová-Zaťovičová Z, Laššová K, Čiampor Jr F (2022) Molecular phylogeny of the riffle beetle genus Hexanchorus revealed a presence of a new genus (Coleoptera: Elmidae). Arthropod Systematics & Phylogeny 80: 575-602. https://doi.org/10.3897/asp.80.e84013