Spring Pygmy Firefly vs Large Alpine Stonefly
Side-by-side species comparison
| Attribute | Spring Pygmy Firefly | Large Alpine Stonefly |
|---|---|---|
| Scientific Name | Pleotomus pallens | Perla grandis |
| Order | Coleoptera | Plecoptera |
| Family | Lampyridae | Perlidae |
| Size | 5-8 mm | 20-33 mm body length |
| Habitat | Underground | Mountains |
| Diet | Omnivores | Omnivores |
| Regions | Eastern North America | Europe, Alps, Pyrenees |
| Conservation | Not Evaluated | Least Concern |
Spring Pygmy Firefly
A tiny, rarely seen firefly of the eastern United States with a very short adult life span. Males produce faint, sporadic greenish flashes close to the ground.
Did You Know?
Females are wingless and larviform, and were once classified as a completely separate species from the males.
Large Alpine Stonefly
One of the largest European stoneflies, found in clean mountain rivers. Its nymphs take several years to develop in cold water.
Did You Know?
Nymphs may take up to four years to complete development in cold alpine waters.