Little Tan Short-Horn Sedge vs Trumpet-Net Caddis

Side-by-side species comparison

Attribute Little Tan Short-Horn Sedge Trumpet-Net Caddis
Scientific Name Glossosoma nigrior Polycentropus flavomaculatus
Order Trichoptera Trichoptera
Family Glossosomatidae Polycentropodidae
Size 5-8 mm 10-15 mm
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Omnivores
Regions Eastern North America Europe
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.

Trumpet-Net Caddis

A caddisfly whose larvae spin trumpet-shaped silk nets to trap prey. It is common throughout European rivers and lakes.

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Did You Know?

Its trumpet-shaped capture net funnels prey into a waiting chamber where the larva ambushes them.