Giant Case-Builder Caddis vs Violet Copper

Side-by-side species comparison

Attribute Giant Case-Builder Caddis Violet Copper
Scientific Name Phryganea bipunctata Lycaena helle
Order Trichoptera Lepidoptera
Family Phryganeidae Lycaenidae
Size 18-25 mm 24-30 mm wingspan
Habitat Ponds & Lakes Rivers & Streams
Diet Omnivores Omnivores
Regions Europe Northern and central Europe, Siberia
Conservation Least Concern Near Threatened

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.

Violet Copper

A tiny butterfly whose males display a vivid violet-purple sheen over coppery-orange wings. It is one of Europe's rarest and most localised coppers.

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Did You Know?

It is so rare in western Europe that individual colonies receive specific conservation management plans.