Kaup Bess Beetle vs Cabbage Stem Weevil
Side-by-side species comparison
| Attribute | Kaup Bess Beetle | Cabbage Stem Weevil |
|---|---|---|
| Scientific Name | Passalus interstitialis | Ceutorhynchus pallidactylus |
| Order | Coleoptera | Coleoptera |
| Family | Passalidae | Curculionidae |
| Size | 30-40 mm | 2.5-3.5 mm |
| Habitat | Woodlands | Farmland |
| Diet | Wood Feeders | Herbivores |
| Regions | Central America, Mexico | Europe |
| Conservation | Least Concern | Least Concern |
Kaup Bess Beetle
A large, elongate, shiny black bess beetle with prominent mandibles and longitudinal grooves on the elytra. It is the most common Passalid in Central America. Colonies of adults and larvae inhabit decaying logs.
Did You Know?
Bess beetles are subsocial insects where parents and offspring live together and cooperate in maintaining their log galleries.
Cabbage Stem Weevil
A grey weevil that mines inside brassica stems. Larvae tunnel through stems causing weakening. One of several Ceutorhynchus species affecting oilseed rape.
Did You Know?
Larval tunneling weakens plant stems to the point where they may snap in windy conditions.