Rain Beetle Hunter vs Brazilian Pergid Sawfly
Side-by-side species comparison
| Attribute | Rain Beetle Hunter | Brazilian Pergid Sawfly |
|---|---|---|
| Scientific Name | Calosoma cancellatum | Perreyia flavipes |
| Order | Coleoptera | Hymenoptera |
| Family | Carabidae | Pergidae |
| Size | 18-25 mm | 8-12 mm |
| Habitat | Grasslands | Grasslands |
| Diet | Predators | Herbivores |
| Regions | North America, from Canada to Mexico | South America |
| 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.
Brazilian Pergid Sawfly
A medium-sized pergid sawfly with dark coloring and yellowish legs. Larvae are gregarious and feed on various plant species in pastures and open areas.
Did You Know?
The larvae of this species are toxic to livestock; cattle and sheep that ingest the larvae while grazing can develop severe liver damage and die.