Cinnamon Sedge vs Japanese Diving Beetle
Side-by-side species comparison
| Attribute | Cinnamon Sedge | Japanese Diving Beetle |
|---|---|---|
| Scientific Name | Limnephilus lunatus | Cybister japonicus |
| Order | Trichoptera | Coleoptera |
| Family | Limnephilidae | Dytiscidae |
| Size | 11-15 mm | 30-38 mm |
| Habitat | Ponds & Lakes | Ponds & Lakes |
| Diet | Detritivores | Omnivores |
| Regions | Europe | Japan, Korean Peninsula |
| Conservation | Least Concern | Vulnerable |
Cinnamon Sedge
A medium-sized caddisfly with warm cinnamon-brown wings bearing a crescent-shaped pale marking. Common near still waters throughout Europe.
Did You Know?
This species is remarkably tolerant of poor water quality and is often one of the last caddisflies remaining in polluted waters.
Japanese Diving Beetle
A large diving beetle native to Japan, once common but now increasingly rare. It has suffered severe declines due to habitat loss and invasive species.
Did You Know?
The American bullfrog, introduced to Japan, is a major predator of this beetle and a key driver of its decline.