Sand-Dwelling Caddis vs New Zealand Caddisfly
Side-by-side species comparison
| Attribute | Sand-Dwelling Caddis | New Zealand Caddisfly |
|---|---|---|
| Scientific Name | Molanna angustata | Olinga feredayi |
| Order | Trichoptera | Trichoptera |
| Family | Molannidae | Conoesucidae |
| Size | 10-14 mm | 8-12 mm |
| Habitat | Ponds & Lakes | Rivers & Streams |
| Diet | Detritivores | Omnivores |
| Regions | Europe, Northern Asia | New Zealand |
| Conservation | Least Concern | Least Concern |
Sand-Dwelling Caddis
A caddisfly whose larvae build flattened shield-shaped cases from sand grains. The wide case acts like a snowshoe, preventing the larva from sinking in soft sediment.
Did You Know?
Its case has lateral flanges that distribute weight and prevent sinking into soft sand.
New Zealand Caddisfly
A stony-cased caddisfly endemic to New Zealand streams. Larvae are important grazers found in virtually all clean New Zealand rivers.
Did You Know?
It is the most commonly encountered caddisfly in New Zealand freshwater surveys.