Rhithrodytes agnus

{{short description|Species of beetle}}

{{Speciesbox

| image =

| status = EN | status_system = IUCN2.3

| taxon = Rhithrodytes agnus

| authority = Foster, 1993

| synonyms =

|status_ref={{cite iucn |author=Foster, G. |date=1996 |title=Rhithrodytes agnus |volume=1996 |page=e.T19644A9001060 |doi=10.2305/IUCN.UK.1996.RLTS.T19644A9001060.en |access-date=17 November 2021}}

}}

Rhithrodytes agnus is a species of beetle in family Dytiscidae. It is endemic to Portugal.