Giant Case-Builder Caddis vs Mothlike Caddisfly

Side-by-side species comparison

Attribute Giant Case-Builder Caddis Mothlike Caddisfly
Scientific Name Phryganea bipunctata Triaenodes bicolor
Order Trichoptera Trichoptera
Family Phryganeidae Leptoceridae
Size 18-25 mm 10-14 mm
Habitat Ponds & Lakes Ponds & Lakes
Diet Omnivores Detritivores
Regions Europe Europe
Conservation Least Concern Least Concern

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.

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Did You Know?

Its larvae are among the few caddisflies known to actively prey on other aquatic invertebrates.

Mothlike Caddisfly

An elegant caddisfly with pale straw-colored wings and long antennae found near still waters. Larvae build slender spiral cases from plant fragments and swim actively.

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Did You Know?

Triaenodes larvae are unusual among caddisflies in being strong swimmers, propelled by their fringed hind legs.