Downy Emerald vs Black-winged Damselfly
Side-by-side species comparison
| Attribute | Downy Emerald | Black-winged Damselfly |
|---|---|---|
| Scientific Name | Cordulia aenea | Calopteryx atrata |
| Order | Odonata | Odonata |
| Family | Corduliidae | Calopterygidae |
| Size | 47-53mm | 55-68mm |
| Habitat | Woodlands | Rivers & Streams |
| Diet | Predators | Predators |
| Regions | Europe, Asia | Asia |
| Conservation | Least Concern | Least Concern |
Downy Emerald
A metallic green dragonfly with a distinctive downy thorax covered in fine golden hairs. Males patrol tirelessly along woodland lake edges. Its bright green eyes are a key identification feature.
Did You Know?
Males patrol relentlessly along a fixed beat at the water's edge, often for hours without stopping.
Black-winged Damselfly
A large damselfly where males have entirely black iridescent wings with a metallic blue-green body. Females have dark smoky-brown wings. It inhabits clean streams in East Asia.
Did You Know?
In Japan it is called 'haguro-tonbo' (black-winged dragonfly) and is considered a symbol of good fortune.