Brushleg Mayfly vs Green Chironomid
Side-by-side species comparison
| Attribute | Brushleg Mayfly | Green Chironomid |
|---|---|---|
| Scientific Name | Isonychia bicolor | Tanytarsus pallidicornis |
| Order | Ephemeroptera | Diptera |
| Family | Isonychiidae | Chironomidae |
| Size | 12-18 mm | 3-5 mm |
| Habitat | Rivers & Streams | Ponds & Lakes |
| Diet | Omnivores | Omnivores |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
Brushleg Mayfly
A large, fast-swimming mayfly with forelegs fringed with bristles for filter feeding. Nymphs inhabit swift riffles of large streams and rivers.
Did You Know?
Unlike most mayflies, nymphs crawl out of water onto rocks to emerge as adults rather than hatching at the surface.
Green Chironomid
A small greenish midge common in clean flowing water habitats. Larvae build portable silk tubes attached to stone surfaces.
Did You Know?
Males form dense aerial mating swarms at dusk that resemble rising columns of smoke above waterways.