Australian Dobsonfly vs North American Alderfly
Side-by-side species comparison
| Attribute | Australian Dobsonfly | North American Alderfly |
|---|---|---|
| Scientific Name | Archichauliodes diversus | Sialis infumata |
| Order | Megaloptera | Megaloptera |
| Family | Corydalidae | Sialidae |
| Size | 50-75 mm wingspan | 15-20 mm wingspan |
| Habitat | Forests | Rivers & Streams |
| Diet | Predators | Predators |
| Regions | Australia, New Zealand | Eastern North America |
| Conservation | Least Concern | Least Concern |
Australian Dobsonfly
A large, dark dobsonfly found in clean streams across southeastern Australia. Larvae are important predators in cool forest streams.
Did You Know?
It is found on both sides of the Tasman Sea, occurring in both Australia and New Zealand.
North American Alderfly
A small, dark-winged alderfly common near ponds and slow streams across eastern North America. Adults are clumsy fliers often found resting on streamside plants.
Did You Know?
Larvae spend one to two years burrowing in pond mud before emerging for a brief adult life of just days.