Hellgrammite vs South African Alderfly
Side-by-side species comparison
| Attribute | Hellgrammite | South African Alderfly |
|---|---|---|
| Scientific Name | Nigronia serricornis | Leptosialis africana |
| Order | Megaloptera | Megaloptera |
| Family | Corydalidae | Sialidae |
| Size | 40-60 mm wingspan | 10-14 mm |
| Habitat | Rivers & Streams | Mountains |
| Diet | Predators | Omnivores |
| Regions | Eastern North America | Africa |
| Conservation | Least Concern | Data Deficient |
Hellgrammite
A dark-colored dobsonfly whose larvae, known as hellgrammites, are prized as fishing bait. Adults are smaller than Corydalus and have serrated antennae.
Did You Know?
Hellgrammite larvae are so effective as fishing bait that they are commercially collected and sold to anglers.
South African Alderfly
One of the few alderfly species found in the Southern Hemisphere, occurring in clean mountain streams of South Africa. Adults are small with dark wings.
Did You Know?
Southern Hemisphere alderflies are so rare and poorly studied that basic aspects of their biology remain unknown to science.