Mole-nest Rove Beetle vs Brazilian Railroad Worm
Side-by-side species comparison
| Attribute | Mole-nest Rove Beetle | Brazilian Railroad Worm |
|---|---|---|
| Scientific Name | Quedius mesomelinus | Phrixothrix viviani |
| Order | Coleoptera | Coleoptera |
| Family | Staphylinidae | Phengodidae |
| Size | 6-9 mm | 20-40 mm (female), 10-14 mm (male) |
| Habitat | Tundra & Arctic | Grasslands |
| Diet | Predators | Omnivores |
| Regions | Europe, Western Asia, introduced to North America | South America, Brazil |
| Conservation | Least Concern | Least Concern |
Mole-nest Rove Beetle
A medium-sized, dark rove beetle commonly found in caves, cellars, and the nests of burrowing mammals. It is one of the most troglophilic rove beetles in the Palearctic region.
Did You Know?
This beetle is one of the most commonly recorded beetle species in European caves, thriving in the perpetual darkness.
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.