Cordulegaster heros Theischinger, 1979 – Balkan Goldenring
NL: Balkanbronlibel | DE: Große Quelljungfer | FR: ?

Cordulegaster heros (Balkan Goldenring) is the largest dragonfly species found on European mainland. Its distribution ranges from southern Austria and Slovakia in the north to the northern Greek Peloponnesos in the south, covering most of the Balkan. Balkan Goldenrings inhabit permanent, shaded streams on rocky or sandy terrain.