Small Brown Forestfly vs Giant Michigan Mayfly
Side-by-side species comparison
| Attribute | Small Brown Forestfly | Giant Michigan Mayfly |
|---|---|---|
| Scientific Name | Nemoura avicularis | Hexagenia bilineata |
| Order | Plecoptera | Ephemeroptera |
| Family | Nemouridae | Ephemeridae |
| Size | 5-8 mm | 18-28 mm |
| Habitat | Woodlands | Rivers & Streams |
| Diet | Detritivores | Detritivores |
| Regions | Europe | North America |
| Conservation | Least Concern | Least Concern |
Small Brown Forestfly
A small brown stonefly of European woodland streams that emerges in spring. Nymphs are detritivores feeding on submerged leaf litter.
Did You Know?
Adults fold their wings flat over the body like a fan, unlike most stoneflies that fold wings along the sides.
Giant Michigan Mayfly
A large burrowing mayfly with two dark stripes on its thorax. Nymphs dig into soft clay and silt bottoms of large rivers.
Did You Know?
Mass emergences along the Great Lakes have caused road closures due to the slippery accumulation of millions of dead adults.