Rusty Sedge vs Say's Firefly
Side-by-side species comparison
| Attribute | Rusty Sedge | Say's Firefly |
|---|---|---|
| Scientific Name | Hydropsyche saxonica | Pyractomena angulata |
| Order | Trichoptera | Coleoptera |
| Family | Hydropsychidae | Lampyridae |
| Size | 10-13 mm | 8-14 mm |
| Habitat | Rivers & Streams | Wetlands |
| Diet | Omnivores | Omnivores |
| Regions | Europe | Eastern North America |
| 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.
Say's Firefly
An early-season firefly with amber-orange flashes seen in spring across eastern North America. It is among the first fireflies to appear each year.
Did You Know?
Its larvae are semi-aquatic and can survive temporary flooding of their habitats.