South African Dobsonfly vs Large Alderfly
Side-by-side species comparison
| Attribute | South African Dobsonfly | Large Alderfly |
|---|---|---|
| Scientific Name | Taeniochauliodes ochraceus | Sialis nigripes |
| Order | Megaloptera | Megaloptera |
| Family | Corydalidae | Sialidae |
| Size | 25-40 mm body | 15-20 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Predators | Herbivores |
| Regions | Africa | North America |
| Conservation | Least Concern | Least Concern |
South African Dobsonfly
A large dobsonfly from southern African rivers with broad amber-tinged wings.
Did You Know?
Its hellgrammite larvae are important predators in South African freshwater ecosystems.
Large Alderfly
A relatively large alderfly with dark wings and black legs found near rivers in eastern North America. Adults rest on streamside vegetation during the day.
Did You Know?
Alderfly larvae breathe through feathery gills along their abdomen and a single long tail filament that acts as an additional gill.