Little Tan Short-Horn Sedge vs Overlooked Cave Beetle
Side-by-side species comparison
| Attribute | Little Tan Short-Horn Sedge | Overlooked Cave Beetle |
|---|---|---|
| Scientific Name | Glossosoma nigrior | Pseudanophthalmus praetermissus |
| Order | Trichoptera | Coleoptera |
| Family | Glossosomatidae | Carabidae |
| Size | 5-8 mm | 4-5 mm |
| Habitat | Rivers & Streams | Caves |
| Diet | Omnivores | Omnivores |
| Regions | Eastern North America | United States |
| Conservation | Least Concern | Endangered |
Little Tan Short-Horn Sedge
A small, abundant caddisfly of eastern North American streams. Larvae build tortoise-shell-shaped cases of fine gravel and are important grazers.
Did You Know?
Grazing by dense populations can visibly reduce algal cover on stream rocks.
Overlooked Cave Beetle
A rare troglobitic beetle that was long confused with related species before being formally described. It is known from very few cave localities.
Did You Know?
Its common name reflects that it was overlooked by scientists for decades.