Brown-winged Rove Beetle vs Alfalfa Weevil Parasitoid
Side-by-side species comparison
| Attribute | Brown-winged Rove Beetle | Alfalfa Weevil Parasitoid |
|---|---|---|
| Scientific Name | Tasgius ater | Bathyplectes curculionis |
| Order | Coleoptera | Hymenoptera |
| Family | Staphylinidae | Ichneumonidae |
| Size | 14-18 mm | 2-4 mm |
| Habitat | Farmland | Farmland |
| Diet | Predators | Parasitoids |
| Regions | Europe, Western Asia | Europe, North America |
| Conservation | Least Concern | Least Concern |
Brown-winged Rove Beetle
A large, uniformly dark rove beetle with subtly brownish elytra, closely related to Tasgius melanarius. It prefers more rural habitats than its congener and is often found in agricultural landscapes.
Did You Know?
Farmers historically considered this beetle beneficial, as it actively hunts crop-damaging leatherjackets in agricultural soils.
Alfalfa Weevil Parasitoid
A small parasitoid wasp that attacks alfalfa weevil larvae in North America. It was introduced from Europe as a classical biological control agent.
Did You Know?
This wasp reduced alfalfa weevil populations by over 75% in some areas after its introduction.