Apple Caddis vs Arctic Caddisfly
Side-by-side species comparison
| Attribute | Apple Caddis | Arctic Caddisfly |
|---|---|---|
| Scientific Name | Brachycentrus appalachia | Apatania zonella |
| Order | Trichoptera | Trichoptera |
| Family | Brachycentridae | Apataniidae |
| Size | 8-12 mm | 6-9 mm |
| Habitat | Rivers & Streams | Ponds & Lakes |
| Diet | Omnivores | Omnivores |
| Regions | North America | Arctic Scandinavia, Iceland, Greenland, Svalbard, Arctic Canada |
| Conservation | Least Concern | Least Concern |
Apple Caddis
A caddisfly of Appalachian streams that builds tapered square cases from plant material. Larvae orient their cases facing into the current for filter feeding.
Did You Know?
The square cross-section of the case is thought to reduce drag in fast currents.
Arctic Caddisfly
A small, hairy-winged caddisfly with dark brown wings held tent-like over the body. Larvae build portable cases from sand grains and small stones. It is one of the most northerly distributed caddisflies in the world.
Did You Know?
Some Arctic populations of this caddisfly reproduce by parthenogenesis, with females producing offspring without mating.