Rain Beetle Hunter vs Broad-shouldered Leaf Beetle
Side-by-side species comparison
| Attribute | Rain Beetle Hunter | Broad-shouldered Leaf Beetle |
|---|---|---|
| Scientific Name | Calosoma cancellatum | Chrysomela tremula |
| Order | Coleoptera | Coleoptera |
| Family | Carabidae | Chrysomelidae |
| Size | 18-25 mm | 7-11 mm |
| Habitat | Grasslands | Farmland |
| Diet | Predators | Herbivores |
| Regions | North America, from Canada to Mexico | Europe, Siberia |
| Conservation | Least Concern | Least Concern |
Rain Beetle Hunter
A medium to large caterpillar hunter with dark elytra marked by rows of rectangular pits giving a grid-like appearance. It is one of the most common Calosoma species across North American prairies.
Did You Know?
It emerges in massive numbers after rain events on the Great Plains, earning the nickname rain beetle, and can be found running across roads in huge aggregations.
Broad-shouldered Leaf Beetle
A robust, convex beetle with dark metallic greenish-black to bronze elytra and irregular rows of punctures. It is closely associated with aspen and poplar trees.
Did You Know?
Populations of this beetle can reach outbreak levels in aspen plantations, completely stripping trees of their foliage.