Sweltsa Green Stonefly vs Postman Butterfly
Side-by-side species comparison
| Attribute | Sweltsa Green Stonefly | Postman Butterfly |
|---|---|---|
| Scientific Name | Sweltsa borealis | Heliconius melpomene |
| Order | Plecoptera | Lepidoptera |
| Family | Chloroperlidae | Nymphalidae |
| Size | 6-9 mm | Wingspan 55-80mm |
| Habitat | Forests | Forests |
| Diet | Predators | Herbivores |
| Regions | North America | South America, North America |
| Conservation | Least Concern | Least Concern |
Sweltsa Green Stonefly
A small northern green stonefly found in cold boreal and montane streams. Nymphs prey on early-instar chironomids and other tiny larvae.
Did You Know?
This species is one of the most cold-adapted stoneflies and can be active in near-freezing water.
Postman Butterfly
A slender long-winged butterfly with black wings and a bold red band across the forewings. It is a classic example of Mullerian mimicry.
Did You Know?
It is one of the few butterflies that can digest pollen as well as nectar giving it amino acids that extend its lifespan to several months.