Downy Emerald vs Longhorn Caddisfly
Side-by-side species comparison
| Attribute | Downy Emerald | Longhorn Caddisfly |
|---|---|---|
| Scientific Name | Cordulia aenea | Oecetis ochracea |
| Order | Odonata | Trichoptera |
| Family | Corduliidae | Leptoceridae |
| Size | 47-53mm | 8-12 mm |
| Habitat | Woodlands | Ponds & Lakes |
| Diet | Predators | Predators |
| Regions | Europe, Asia | Europe, 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.
Longhorn Caddisfly
A slender caddisfly with antennae much longer than its body. Larvae are unusual among caddisflies in being active predators that hunt in their cases.
Did You Know?
These caddisfly larvae carry their cases while stalking prey like tiny hermit crabs hunting on the lake floor.