American Owlfly vs Large Spring Stonefly
Side-by-side species comparison
| Attribute | American Owlfly | Large Spring Stonefly |
|---|---|---|
| Scientific Name | Ululodes quadripunctatus | Dinocras cephalotes |
| Order | Neuroptera | Plecoptera |
| Family | Ascalaphidae | Perlidae |
| Size | 20-30 mm body, 50-65 mm wingspan | 20-35 mm |
| Habitat | Meadows | Rivers & Streams |
| Diet | Predators | Predators |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
American Owlfly
A dragonfly-like neuropteran with split eyes and long knobbed antennae. It catches small insects on the wing during twilight flights.
Did You Know?
Its eyes are divided into upper and lower halves, allowing it to see both above and below simultaneously.
Large Spring Stonefly
One of the largest European stoneflies with a distinctively broad, flattened head. Nymphs are apex invertebrate predators in upland streams.
Did You Know?
Despite their large wings, adults are poor fliers and prefer to run along streamside rocks.