Figwort Weevil vs Horned Passalus
Side-by-side species comparison
| Attribute | Figwort Weevil | Horned Passalus |
|---|---|---|
| Scientific Name | Cionus scrophulariae | Odontotaenius disjunctus |
| Order | Coleoptera | Coleoptera |
| Family | Curculionidae | Passalidae |
| Size | 3-5 mm | 28-37 mm |
| Habitat | Rivers & Streams | Woodlands |
| Diet | Herbivores | Wood Feeders |
| Regions | Europe | Eastern North America |
| Conservation | Least Concern | Least Concern |
Figwort Weevil
A globular weevil with checkerboard black and white patterning found on figwort and mullein. Larvae feed externally on leaves in mucous cocoons. A strikingly patterned species.
Did You Know?
Larvae spin external mucous cocoons on the leaf surface, looking like small glistening droplets.
Horned Passalus
A large, shiny black beetle with a small horn on its head, found in rotting logs. It lives in family groups where adults and larvae communicate by stridulation.
Did You Know?
Adults chew wood into pulp and feed it to their larvae, one of the few beetles to show true parental care.