Golden Stonefly vs East Asian Pheropsophus Bombardier
Side-by-side species comparison
| Attribute | Golden Stonefly | East Asian Pheropsophus Bombardier |
|---|---|---|
| Scientific Name | Calineuria californica | Pheropsophus jessoensis |
| Order | Plecoptera | Coleoptera |
| Family | Perlidae | Carabidae |
| Size | 25-35 mm | 15-25 mm |
| Habitat | Rivers & Streams | Farmland |
| Diet | Predators | Predators |
| Regions | North America | Japan, Korea, eastern China, Russian Far East |
| Conservation | Least Concern | Least Concern |
Golden Stonefly
A large predatory stonefly with a golden-brown body found in western North American rivers. Its nymphs are active hunters on the streambed.
Did You Know?
Golden stonefly nymphs are apex predators of the streambed, hunting mayfly and caddisfly larvae among the cobbles.
East Asian Pheropsophus Bombardier
A large Asian bombardier beetle with an orange head and pronotum and dark blue-black elytra. It is the largest bombardier beetle in Japan and produces powerful chemical sprays.
Did You Know?
It can spray its boiling chemical defense up to 20 centimeters with a popping sound audible from several meters away, and can fire repeatedly up to 20 times before depleting its reserves.