Appalachian Springfly vs Small Milkweed Bug
Side-by-side species comparison
| Attribute | Appalachian Springfly | Small Milkweed Bug |
|---|---|---|
| Scientific Name | Remenus bilobatus | Lygaeus kalmii |
| Order | Plecoptera | Hemiptera |
| Family | Perlodidae | Lygaeidae |
| Size | 8-12 mm | 10-12 mm |
| Habitat | Rivers & Streams | Grasslands |
| Diet | Predators | Predators |
| Regions | North America | North America |
| Conservation | Vulnerable | Least Concern |
Appalachian Springfly
A rare springfly restricted to a few clean Appalachian headwater streams. Nymphs are predatory on small invertebrates among gravel substrates.
Did You Know?
Its extremely limited range makes it one of the rarest stonefly species in North America.
Small Milkweed Bug
A boldly patterned red-and-black seed bug that feeds on milkweed seeds and sequesters toxic cardiac glycosides. Its warning coloration advertises its chemical defense to predators.
Did You Know?
It stores milkweed toxins in its body, making it taste terrible to birds and other predators that try to eat it.