Rusty Sedge vs Geranium Bronze
Side-by-side species comparison
| Attribute | Rusty Sedge | Geranium Bronze |
|---|---|---|
| Scientific Name | Hydropsyche saxonica | Cacyreus marshalli |
| Order | Trichoptera | Lepidoptera |
| Family | Hydropsychidae | Lycaenidae |
| Size | 10-13 mm | 18-23 mm wingspan |
| Habitat | Rivers & Streams | Underground |
| Diet | Omnivores | Omnivores |
| Regions | Europe | Native to South Africa; invasive in Mediterranean Europe |
| Conservation | Least Concern | Least Concern |
Rusty Sedge
A net-spinning caddisfly of clean upland European streams sensitive to organic pollution. Larvae construct fine-meshed capture nets between stones.
Did You Know?
Its presence is used as a biological indicator of excellent water quality in European river assessments.
Geranium Bronze
A small dull brown butterfly with a distinctive white fringe and thin tail that has become a major pest of cultivated geraniums in Europe. Its larvae bore into geranium buds and stems.
Did You Know?
Since its accidental introduction to Majorca in 1990, it has spread across most of southern Europe.