Weedy Water Sedge vs Little Tan Short-Horn Sedge

Side-by-side species comparison

Attribute Weedy Water Sedge Little Tan Short-Horn Sedge
Scientific Name Leptocerus tineiformis Glossosoma nigrior
Order Trichoptera Trichoptera
Family Leptoceridae Glossosomatidae
Size 7-11 mm 5-8 mm
Habitat Ponds & Lakes Rivers & Streams
Diet Detritivores Omnivores
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.

Little Tan Short-Horn Sedge

A small, abundant caddisfly of eastern North American streams. Larvae build tortoise-shell-shaped cases of fine gravel and are important grazers.

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Did You Know?

Grazing by dense populations can visibly reduce algal cover on stream rocks.