Giant Bess Beetle vs Mustard Beetle
Side-by-side species comparison
| Attribute | Giant Bess Beetle | Mustard Beetle |
|---|---|---|
| Scientific Name | Passalus punctiger | Phaedon cochleariae |
| Order | Coleoptera | Coleoptera |
| Family | Passalidae | Chrysomelidae |
| Size | 35-50 mm | 3-4 mm |
| Habitat | Woodlands | Farmland |
| Diet | Wood Feeders | Herbivores |
| Regions | South America | Europe |
| Conservation | Least Concern | Least Concern |
Giant Bess Beetle
A very large, robust bess beetle with a glossy black exoskeleton and strong mandibles. It creates extensive tunnel systems in large fallen trees. Multiple generations may coexist within a single log.
Did You Know?
Larvae pupate in protective cases made from frass that parents help construct.
Mustard Beetle
A small metallic blue-black beetle that feeds on watercress, mustard and other crucifers. Both adults and larvae damage crops. Common in damp habitats near streams.
Did You Know?
Commercial watercress growers regard this tiny beetle as one of their most persistent pest problems.