Blue Flea Beetle vs Bates' Rosalia
Side-by-side species comparison
| Attribute | Blue Flea Beetle | Bates' Rosalia |
|---|---|---|
| Scientific Name | Altica lythri | Rosalia batesi |
| Order | Coleoptera | Coleoptera |
| Family | Chrysomelidae | Cerambycidae |
| Size | 4-5 mm | 18-30 mm |
| Habitat | Rivers & Streams | Forests |
| Diet | Herbivores | Wood Feeders |
| Regions | Europe | Japan (Honshu, Shikoku, Kyushu) |
| Conservation | Least Concern | Near Threatened |
Blue Flea Beetle
A small metallic blue-green flea beetle that feeds on willowherb and evening primrose. Has enlarged hind femora enabling it to jump considerable distances. Widespread but often overlooked.
Did You Know?
Despite its tiny size, it can jump over 100 times its own body length using its powerful hind legs.
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.