Hawaiian Orangeblack Damselfly vs Two-toothed Goldenring
Side-by-side species comparison
| Attribute | Hawaiian Orangeblack Damselfly | Two-toothed Goldenring |
|---|---|---|
| Scientific Name | Megalagrion xanthomelas | Cordulegaster bidentata |
| Order | Odonata | Odonata |
| Family | Coenagrionidae | Cordulegastridae |
| Size | 32-38 mm | 70-80 mm |
| Habitat | Wetlands | Mountains |
| Diet | Predators | Omnivores |
| Regions | Oceania (Hawaii) | Europe |
| Conservation | Endangered | Near Threatened |
Hawaiian Orangeblack Damselfly
A strikingly coloured Hawaiian damselfly with orange and black markings. It was once widespread in lowland wetlands but has declined dramatically due to habitat loss and introduced predators. It breeds in anchialine pools and slow streams.
Did You Know?
This damselfly breeds in anchialine pools - unique coastal ponds with underground connections to the ocean, found along Hawaiian lava shorelines.
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.