Mercury Islands Tusked Weta vs Cereal Leaf Beetle
Side-by-side species comparison
| Attribute | Mercury Islands Tusked Weta | Cereal Leaf Beetle |
|---|---|---|
| Scientific Name | Motuweta isolata | Oulema melanopus |
| Order | Orthoptera | Coleoptera |
| Family | Anostostomatidae | Chrysomelidae |
| Size | 40-50 mm body | 4-5 mm |
| Habitat | Beaches & Coastal | Farmland |
| Diet | Seed Feeders | Seed Feeders |
| Regions | Oceania | Europe, North America (invasive), Asia |
| Conservation | Vulnerable | Least Concern |
Mercury Islands Tusked Weta
One of New Zealands rarest insects, found only on Middle Mercury Island. Males have curved tusks on their mandibles used in territorial combat with rivals.
Did You Know?
This weta is so rare it was not discovered until 1970, living on a single 13-hectare island — males have tusks protruding from their jaws, unique among weta species.
Cereal Leaf Beetle
A small beetle with metallic blue-black elytra and a red-orange thorax. Its larvae strip the upper leaf surface of cereal crops.
Did You Know?
Larvae carry a shield of their own faeces on their backs to deter predators and prevent desiccation.