Riolus Explained

Riolus is a genus of beetles belonging to the family Elmidae.^[1]

The species of this genus are found in Europe.

Species:

• Riolus cupreus (Müller, 1806)
• Riolus fontinalis Jäch, 1984

Notes and References

1. Web site: Riolus Mulsant & Rey, 1872 . www.gbif.org . 1 March 2021 . en.