Two-Spotted Hister Beetle vs Vedalia Beetle
Side-by-side species comparison
| Attribute | Two-Spotted Hister Beetle | Vedalia Beetle |
|---|---|---|
| Scientific Name | Hister bipustulatus | Novius cardinalis |
| Order | Coleoptera | Coleoptera |
| Family | Histeridae | Coccinellidae |
| Size | 4-6 mm | 3-4 mm |
| Habitat | Farmland | Orchards |
| Diet | Predators | Omnivores |
| Regions | Europe, Western Asia | Australia, Worldwide (introduced) |
| Conservation | Least Concern | Least Concern |
Two-Spotted Hister Beetle
A small, globular black beetle with two red-orange spots on its truncated elytra. It is commonly found in dung where it hunts fly larvae.
Did You Know?
Its truncated wing cases leave the last two abdominal segments permanently exposed, a characteristic shared by all histerids.
Vedalia Beetle
A small red-and-black ladybird famous as the first successful biological control agent in history. It saved the California citrus industry from the cottony cushion scale in 1889.
Did You Know?
Its introduction to California is considered the founding event of modern biological pest control.