Weedy Water Sedge vs Spotted Hydropsyche Caddisfly

Side-by-side species comparison

Attribute Weedy Water Sedge Spotted Hydropsyche Caddisfly
Scientific Name Leptocerus tineiformis Hydropsyche slossonae
Order Trichoptera Trichoptera
Family Leptoceridae Hydropsychidae
Size 7-11 mm 10-14 mm
Habitat Ponds & Lakes Rivers & Streams
Diet Detritivores Detritivores
Regions Europe Eastern North America
Conservation Least Concern Least Concern

Weedy Water Sedge

A slender caddisfly associated with weedy European lakes and canals. Larvae build cases from fine sand and plant fragments.

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Did You Know?

Adults are strongly attracted to light and often appear in large numbers at lakeside lamps.

Spotted Hydropsyche Caddisfly

A net-spinning caddisfly with tan to brown mottled wings. Larvae build intricate silken nets between rocks to capture drifting food particles in stream currents.

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Did You Know?

The mesh size of their silk nets varies by species, allowing different species to partition food resources in the same stream.