Nettle-tap Flea Beetle vs Flattened Giant Millipede Beetle
Side-by-side species comparison
| Attribute | Nettle-tap Flea Beetle | Flattened Giant Millipede Beetle |
|---|---|---|
| Scientific Name | Longitarsus nasturtii | Passalus unicornis |
| Order | Coleoptera | Coleoptera |
| Family | Chrysomelidae | Passalidae |
| Size | 1.5-2 mm | 30-45 mm |
| Habitat | Rivers & Streams | Woodlands |
| Diet | Root Feeders | Wood Feeders |
| Regions | Europe | Central Africa (Cameroon, Gabon, DRC, Congo) |
| Conservation | Least Concern | Least Concern |
Nettle-tap Flea Beetle
A tiny yellowish-brown flea beetle found on watercress and other crucifers in damp habitats. Larvae mine in plant roots. Can be a minor pest of commercial watercress.
Did You Know?
Commercially grown watercress can be damaged by this beetle, which is nearly invisible to the naked eye.
Flattened Giant Millipede Beetle
A large, flattened bess beetle with a shiny black body and a small horn on the head. Adults and larvae live together in rotting logs in a subsocial arrangement. Adults produce sounds by rubbing their hindwings against the abdomen.
Did You Know?
Parents feed their larvae pre-chewed wood and communicate with them using stridulatory sounds, one of the few examples of parental care in beetles.