Mammoth Cave Cricket vs Jet Beetle
Side-by-side species comparison
| Attribute | Mammoth Cave Cricket | Jet Beetle |
|---|---|---|
| Scientific Name | Hadenoecus subterraneus | Stenus comma |
| Order | Orthoptera | Coleoptera |
| Family | Rhaphidophoridae | Staphylinidae |
| Size | 15-30 mm | 5-7 mm |
| Habitat | Caves | Ponds & Lakes |
| Diet | Predators | Predators |
| Regions | United States | Europe, Northern Asia |
| Conservation | Vulnerable | Least Concern |
Mammoth Cave Cricket
A large obligate cave cricket and keystone species of Mammoth Cave, Kentucky. Its eggs are the primary food source for many cave predators.
Did You Know?
It is the most important nutrient source in the Mammoth Cave ecosystem.
Jet Beetle
A tiny, goggle-eyed rove beetle that hunts with a remarkable extendable labium tipped with adhesive pads. It can also skim across water surfaces using a unique chemical propulsion mechanism.
Did You Know?
Stenus beetles secrete stenusine from pygidial glands, which lowers water surface tension behind them, propelling them across water at speeds up to 70 cm per second.