Caddisfly vs Round Sand Beetle

Side-by-side species comparison

Attribute Caddisfly Round Sand Beetle
Scientific Name Limnephilus rhombicus Omophron limbatum
Order Trichoptera Coleoptera
Family Limnephilidae Carabidae
Size 10-15 mm body 5-7 mm
Habitat Ponds & Lakes Ponds & Lakes
Diet Herbivores Predators
Regions Europe, North America Europe, North Africa, western Asia
Conservation Least Concern Least Concern

Caddisfly

Moth-like adults with hairy wings held tent-like over the body. Aquatic larvae are famous architects that build portable cases from silk, pebbles, sand, leaves, and shells.

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Did You Know?

Artist Hubert Duprat gave caddisfly larvae gold flakes, pearls, and precious stones — the larvae incorporated them into their cases, creating tiny jeweled sculptures.

Round Sand Beetle

A highly distinctive, nearly circular ground beetle with a domed shape and striking pattern of pale yellow with dark green bands. It burrows in wet sand near water.

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Did You Know?

Its nearly spherical body shape is unique among ground beetles and allows it to burrow rapidly into wet sand to escape predators or floods.