Knotgrass Leaf Beetle vs Red Rove Beetle
Side-by-side species comparison
| Attribute | Knotgrass Leaf Beetle | Red Rove Beetle |
|---|---|---|
| Scientific Name | Chrysolina hyperici | Platydracus maculosus |
| Order | Coleoptera | Coleoptera |
| Family | Chrysomelidae | Staphylinidae |
| Size | 5-7 mm | 15-22 mm |
| Habitat | Grasslands | Woodlands |
| Diet | Herbivores | Predators |
| Regions | Europe (native), introduced to Australia and North America | Eastern North America |
| Conservation | Least Concern | Least Concern |
Knotgrass Leaf Beetle
A rounded, metallic bronze to coppery-green beetle that was introduced to control St. John's wort. It has a smooth, convex body with fine punctation across the elytra.
Did You Know?
Introduced to Australia in the 1930s, it was one of the earliest successful biological control agents used against a weed in that country.
Red Rove Beetle
A large, brightly marked rove beetle with reddish elytra spotted with dark markings and a densely pubescent thorax. It is one of the most colorful North American staphylinids.
Did You Know?
This beetle can produce audible stridulatory sounds by rubbing specialized structures on its abdomen against the underside of the elytra.