description Cordulegaster heros Overview
Cordulegaster heros is a large dragonfly species in the family Cordulegastridae, commonly known as the Balkan goldenring, and is recognized as the largest dragonfly native to Europe, with a body length of approximately 85 to 95 millimeters. The species occurs in Central and Southeastern Europe, including the Balkans, Austria, Hungary, Italy, and parts of Greece, where it breeds in small, clean, shaded streams. It was described as a distinct species by Günther Theischinger in 1979, having previously been considered part of the more widespread Cordulegaster boltonii complex. The species faces threats from habitat degradation and water pollution in parts of its range.
insights Ranking position
Cordulegaster heros ranks #27 of 894 in the Dragonfly ranking, behind Graphic Flutterer, ahead of Rhyothemis variegata.
help Cordulegaster heros FAQ
How large is the Balkan goldenring (Cordulegaster heros)?
The Cordulegaster heros is the largest dragonfly species native to Europe, boasting a body length of roughly 85 to 95 millimeters. Its impressive wingspan makes it a dominant presence around its natural habitat.
What type of habitat does the Balkan goldenring prefer?
This species is typically found in Central and Southern Europe, specifically around clear, fast-flowing woodland streams and natural springs. The larvae are aquatic and require highly oxygenated, unpolluted water to develop properly.
What does Cordulegaster heros look like?
The dragonfly features a striking black and yellow striped pattern on its abdomen, which provides excellent camouflage among sun-dappled woodland foliage. It also has large, bright green eyes that meet at the top of its head.
Is the Balkan goldenring an endangered species?
While not universally endangered, Cordulegaster heros populations are heavily threatened by habitat destruction and water pollution. It is considered a protected species in several European countries due to its strict reliance on pristine freshwater ecosystems.
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