Little Tan Short-Horn Sedge vs Dark-Horned Casemaker

Side-by-side species comparison

Attribute Little Tan Short-Horn Sedge Dark-Horned Casemaker
Scientific Name Glossosoma nigrior Psilotreta labida
Order Trichoptera Trichoptera
Family Glossosomatidae Odontoceridae
Size 5-8 mm 10-14 mm
Habitat Rivers & Streams Woodlands
Diet Omnivores Detritivores
Regions Eastern North America North America
Conservation Least Concern Least Concern

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.

Dark-Horned Casemaker

A North American caddisfly building curved tubular cases from sand grains. Larvae are found in small shaded woodland streams.

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Did You Know?

Adults are entirely nocturnal and are rarely seen despite being locally common.