Giant Case-Builder Caddis vs Western Spruce Budworm
Side-by-side species comparison
| Attribute | Giant Case-Builder Caddis | Western Spruce Budworm |
|---|---|---|
| Scientific Name | Phryganea bipunctata | Choristoneura occidentalis |
| Order | Trichoptera | Lepidoptera |
| Family | Phryganeidae | Tortricidae |
| Size | 18-25 mm | 22-28 mm wingspan |
| Habitat | Ponds & Lakes | Mountains |
| Diet | Omnivores | Omnivores |
| Regions | Europe | North America |
| Conservation | Least Concern | Not Evaluated |
Giant Case-Builder Caddis
A large caddisfly with spotted wings found in northern and central Europe. Larvae construct conspicuous helical cases from plant material in weedy waters.
Did You Know?
Its larvae are among the few caddisflies known to actively prey on other aquatic invertebrates.
Western Spruce Budworm
A major defoliator of Douglas-fir and true firs in western North America. Repeated defoliation leads to growth loss and tree mortality.
Did You Know?
Fire suppression has increased susceptibility of western forests to budworm outbreaks.