Warehouse Beetle vs Knotgrass Leaf Beetle
Side-by-side species comparison
| Attribute | Warehouse Beetle | Knotgrass Leaf Beetle |
|---|---|---|
| Scientific Name | Trogoderma variabile | Chrysolina hyperici |
| Order | Coleoptera | Coleoptera |
| Family | Dermestidae | Chrysomelidae |
| Size | 2-3.5 mm | 5-7 mm |
| Habitat | Indoors | Grasslands |
| Diet | Seed Feeders | Herbivores |
| Regions | North America, Australia, Europe | Europe (native), introduced to Australia and North America |
| Conservation | Least Concern | Least Concern |
Warehouse Beetle
A stored product beetle closely related to the khapra beetle that infests grain, cereals, and dried foods. Its hairy larvae contaminate food products and can cause allergic reactions.
Did You Know?
It is so similar to the quarantine-regulated khapra beetle that expert identification is needed to tell them apart.
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.