Rock Caddisfly vs Common Darter
Side-by-side species comparison
| Attribute | Rock Caddisfly | Common Darter |
|---|---|---|
| Scientific Name | Goera calcarata | Sympetrum striolatum |
| Order | Trichoptera | Odonata |
| Family | Goeridae | Libellulidae |
| Size | 8-12 mm | 35-44 mm body length |
| Habitat | Rivers & Streams | Ponds & Lakes |
| Diet | Omnivores | Omnivores |
| Regions | Europe | Western Europe, Central Europe, Southern Europe, Northern Europe |
| Conservation | Least Concern | Least Concern |
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.
Common Darter
Europe's most abundant dragonfly, with mature males turning bright orange-red. It is often the last dragonfly flying in autumn, sometimes into November.
Did You Know?
Mating pairs lay eggs by repeatedly dipping the female's abdomen into the water while flying in tandem.