Tiny Winter Black Stonefly vs Rock Caddisfly
Side-by-side species comparison
| Attribute | Tiny Winter Black Stonefly | Rock Caddisfly |
|---|---|---|
| Scientific Name | Capnia nigra | Goera calcarata |
| Order | Plecoptera | Trichoptera |
| Family | Capniidae | Goeridae |
| Size | 4-8 mm | 8-12 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Detritivores | Omnivores |
| Regions | Europe, Northern Asia | Europe |
| Conservation | Least Concern | Least Concern |
Tiny Winter Black Stonefly
A tiny black stonefly that emerges in late winter across European streams. It is among the earliest insects to appear each year.
Did You Know?
Females are often wingless or short-winged, relying on walking rather than flight to find mates.
Rock Caddisfly
A caddisfly of limestone streams whose cases incorporate calcareous sand grains and pebble ballast. Larvae scrape algae from rock surfaces.
Did You Know?
The calcareous case material provides partial camouflage against the pale limestone streambed.