Orthoclad Stream Midge vs Mahogany Dun
Side-by-side species comparison
| Attribute | Orthoclad Stream Midge | Mahogany Dun |
|---|---|---|
| Scientific Name | Orthocladius oblidens | Isonychia harperi |
| Order | Diptera | Ephemeroptera |
| Family | Chironomidae | Isonychiidae |
| Size | 3-5 mm | 13-17 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Detritivores | Omnivores |
| Regions | Europe, North America | North America |
| Conservation | Least Concern | Least Concern |
Orthoclad Stream Midge
A small non-biting midge typical of cold running water habitats. Larvae build silk tubes on stone surfaces in stream riffles.
Did You Know?
Orthocladiinae midges are often the most species-rich insect group in pristine mountain streams.
Mahogany Dun
A large reddish-brown mayfly with impressive filter-feeding forelegs. Nymphs prefer moderate to fast riffles with clean gravel substrates.
Did You Know?
Adults hold their forelegs forward in flight, making them easy to identify on the wing.