Weighted Casemaker vs Tansy Beetle
Side-by-side species comparison
| Attribute | Weighted Casemaker | Tansy Beetle |
|---|---|---|
| Scientific Name | Goera pilosa | Chrysolina graminis |
| Order | Trichoptera | Coleoptera |
| Family | Goeridae | Chrysomelidae |
| Size | 9-13 mm | 7-11mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Detritivores | Herbivores |
| Regions | Europe | Europe |
| Conservation | Least Concern | Near Threatened |
Weighted Casemaker
A caddisfly that attaches heavy ballast stones to the sides of its case for stability. Larvae are found in fast-flowing stony streams.
Did You Know?
The ballast stones can weigh several times more than the larva itself, preventing displacement by floods.
Tansy Beetle
A stunning metallic green and copper beetle covered in tiny pits. It is one of the rarest beetles in Britain.
Did You Know?
In the UK it survives in only a small stretch along the River Ouse near York making it one of Britains most localized insects.