Japanese Hotaruko Firefly vs Variable Rove Beetle
Side-by-side species comparison
| Attribute | Japanese Hotaruko Firefly | Variable Rove Beetle |
|---|---|---|
| Scientific Name | Pyrocoelia fumosa | Philonthus varians |
| Order | Coleoptera | Coleoptera |
| Family | Lampyridae | Staphylinidae |
| Size | 12-20 mm | 5-7 mm |
| Habitat | Mountains | Farmland |
| Diet | Omnivores | Predators |
| Regions | East Asia, Japan | Europe, Central Asia |
| Conservation | Least Concern | Least Concern |
Japanese Hotaruko Firefly
A large terrestrial firefly with a dark brown body and bright reddish pronotum. The wingless, larviform females produce a bright sustained glow from the ground to attract flying males.
Did You Know?
The Japanese name 'hotaruko' distinguishes these terrestrial glowworm-type fireflies from the aquatic 'hotaru' species.
Variable Rove Beetle
A small but abundant rove beetle highly variable in elytral coloration, ranging from entirely black to reddish-brown. It is one of Europe's most common staphylinids in agricultural settings.
Did You Know?
Population studies have shown densities of over 100 individuals per square meter in well-managed agricultural fields.