Springfly vs River Midge
Side-by-side species comparison
| Attribute | Springfly | River Midge |
|---|---|---|
| Scientific Name | Isoperla signata | Rheotanytarsus exiguus |
| Order | Plecoptera | Diptera |
| Family | Perlodidae | Chironomidae |
| Size | 9-13 mm | 3-5 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Predators | Omnivores |
| Regions | Europe | Europe |
| Conservation | Least Concern | Least Concern |
Springfly
A spring-emerging stonefly of fast-flowing European streams. Nymphs are active hunters that pursue prey among streambed gravels.
Did You Know?
Males locate females by producing species-specific vibrations that travel through the substrate.
River Midge
A small filter-feeding midge that builds silken nets on submerged stones in flowing water. Larvae are among the most abundant invertebrates in clean streams.
Did You Know?
Larvae build tiny fan-shaped silk nets that function like miniature versions of caddisfly catch-nets.