Strong Casemaker Caddisfly vs Rusty Sedge

Side-by-side species comparison

Attribute Strong Casemaker Caddisfly Rusty Sedge
Scientific Name Odontocerum albicorne Hydropsyche saxonica
Order Trichoptera Trichoptera
Family Odontoceridae Hydropsychidae
Size 12-18 mm 10-13 mm
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Omnivores
Regions Europe Europe
Conservation Least Concern Least Concern

Strong Casemaker Caddisfly

A caddisfly that builds smooth, slightly curved sand-grain cases up to 20 mm long. Larvae inhabit cool, clean streams with gravel and cobble substrates.

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Did You Know?

The cases are so precisely constructed they were once thought to be the work of marine worms rather than insects.

Rusty Sedge

A net-spinning caddisfly of clean upland European streams sensitive to organic pollution. Larvae construct fine-meshed capture nets between stones.

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Did You Know?

Its presence is used as a biological indicator of excellent water quality in European river assessments.