Brazilian Railroad Worm vs Oriental Demoiselle
Side-by-side species comparison
| Attribute | Brazilian Railroad Worm | Oriental Demoiselle |
|---|---|---|
| Scientific Name | Phrixothrix viviani | Calopteryx cornelia |
| Order | Coleoptera | Odonata |
| Family | Phengodidae | Calopterygidae |
| Size | 20-40 mm (female), 10-14 mm (male) | 50-58 mm |
| Habitat | Grasslands | Mountains |
| Diet | Omnivores | Omnivores |
| Regions | South America, Brazil | Asia |
| Conservation | Least Concern | Least Concern |
Brazilian Railroad Worm
A tropical glowworm beetle with the remarkable ability to produce both green lateral lights and a red cephalic light. The female is large and larviform, while the male is a small, short-lived winged beetle.
Did You Know?
The red and green lights are produced by different luciferases, making this beetle a subject of intensive biochemical research.
Oriental Demoiselle
A Japanese demoiselle with shimmering blue-black wings and a metallic green body. It is endemic to Japan's clean mountain streams.
Did You Know?
It is endemic to Japan and is considered an indicator species for clean mountain water quality.