Bates' Rosalia vs Green Metallic Tunneler
Side-by-side species comparison
| Attribute | Bates' Rosalia | Green Metallic Tunneler |
|---|---|---|
| Scientific Name | Rosalia batesi | Onitis alexis |
| Order | Coleoptera | Coleoptera |
| Family | Cerambycidae | Scarabaeidae |
| Size | 18-30 mm | 14-22 mm |
| Habitat | Forests | Farmland |
| Diet | Wood Feeders | Dung Feeders |
| Regions | Japan (Honshu, Shikoku, Kyushu) | Africa, introduced to Australia |
| Conservation | Near Threatened | Least Concern |
Bates' Rosalia
A rare and beautiful longhorn beetle with pale lavender-grey elytra and contrasting black spots, found in the temperate forests of Japan. It is named after the famous naturalist Henry Walter Bates. Adults appear briefly in midsummer.
Did You Know?
Despite being the subject of intense collector interest, this species remains poorly studied in the wild.
Green Metallic Tunneler
A medium-sized tunneling dung beetle with a metallic green pronotum and dark brown elytra. Males have an enlarged prothorax. It constructs vertical tunnels beneath cattle dung and is nocturnal.
Did You Know?
Introduced to Australia in the 1980s, this species was specifically targeted for its ability to handle cattle dung in tropical climates.