Japanese Hotaruko Firefly vs Spotted Willow Leaf Beetle
Side-by-side species comparison
| Attribute | Japanese Hotaruko Firefly | Spotted Willow Leaf Beetle |
|---|---|---|
| Scientific Name | Pyrocoelia fumosa | Chrysomela knabi |
| Order | Coleoptera | Coleoptera |
| Family | Lampyridae | Chrysomelidae |
| Size | 12-20 mm | 6-8 mm |
| Habitat | Mountains | Mountains |
| Diet | Omnivores | Herbivores |
| Regions | East Asia, Japan | Western North America |
| 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.
Spotted Willow Leaf Beetle
A dark metallic blue-black beetle with an oval body found on willows in western North America. Adults and larvae feed on willow foliage near mountain streams.
Did You Know?
This species is adapted to high-altitude habitats and is commonly found above 2,000 meters elevation in the Rocky Mountains.