Reed Beetle vs Mother-of-Pearl Caddis

Side-by-side species comparison

Attribute Reed Beetle Mother-of-Pearl Caddis
Scientific Name Donacia crassipes Glyphotaelius pellucidus
Order Coleoptera Trichoptera
Family Chrysomelidae Limnephilidae
Size 9-12 mm 15-22 mm
Habitat Ponds & Lakes Ponds & Lakes
Diet Root Feeders Herbivores
Regions Europe, Western Asia Europe
Conservation Least Concern Least Concern

Reed Beetle

A striking aquatic leaf beetle with metallic golden-green to coppery elytra and elongated hind legs. It is one of the largest European Donacia species, found on waterlily pads.

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Did You Know?

Larvae live entirely underwater, tapping into plant roots for both food and oxygen, using specialized spiracles to breathe air from root aerenchyma.

Mother-of-Pearl Caddis

A large European caddisfly with translucent wings that shimmer with iridescence. Larvae construct flat cases from pieces of dead leaves.

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Did You Know?

Larvae cut leaf pieces into precise rectangles to build their distinctive flat cases.