Horntail Wasp vs Japanese Water Penny
Side-by-side species comparison
| Attribute | Horntail Wasp | Japanese Water Penny |
|---|---|---|
| Scientific Name | Urocerus gigas | Eubrianax granicollis |
| Order | Hymenoptera | Coleoptera |
| Family | Siricidae | Psephenidae |
| Size | 25-40 mm | 5-7 mm |
| Habitat | Forests | Forests |
| Diet | Fungus Feeders | Omnivores |
| Regions | Europe, Asia | Japan, Taiwan |
| Conservation | Least Concern | Least Concern |
Horntail Wasp
A large wood wasp that injects symbiotic fungus into trees along with its eggs.
Did You Know?
The injected fungus softens the wood to make it digestible for the larvae.
Japanese Water Penny
An East Asian water penny beetle found in swift forest streams of Japan. Adults are dark and robust with a granular pronotum.
Did You Know?
Its larvae use a suction-cup-like ventral surface to maintain their grip on stones in powerful currents.