Two-toothed Goldenring vs Long-Tailed Mayfly
Side-by-side species comparison
| Attribute | Two-toothed Goldenring | Long-Tailed Mayfly |
|---|---|---|
| Scientific Name | Cordulegaster bidentata | Palingenia longicauda |
| Order | Odonata | Ephemeroptera |
| Family | Cordulegastridae | Palingeniidae |
| Size | 70-80 mm | 30-40 mm body; 60-80 mm cerci |
| Habitat | Mountains | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | Europe | Europe |
| Conservation | Near Threatened | Vulnerable |
Two-toothed Goldenring
A large, dark goldenring dragonfly of central European mountain streams. It is distinguished from other goldenrings by two tooth-like projections on the occipital triangle.
Did You Know?
Its larvae develop in tiny trickles of spring water no wider than a hand, unlike most large dragonflies.
Long-Tailed Mayfly
The largest European mayfly with body and cerci reaching over 120 mm. Its spectacular mass hatches on the Tisza River are a famous natural phenomenon.
Did You Know?
The annual "Tisza bloom" of this mayfly along the Tisza River lasts only a few hours but has been celebrated in Hungarian culture for generations.