Little Tan Short-Horn Sedge vs Finger-net Caddisfly

Side-by-side species comparison

Attribute Little Tan Short-Horn Sedge Finger-net Caddisfly
Scientific Name Glossosoma nigrior Philopotamus montanus
Order Trichoptera Trichoptera
Family Glossosomatidae Philopotamidae
Size 5-8 mm 10-14 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.

Finger-net Caddisfly

A medium caddisfly with golden-brown wings. Larvae spin finger-shaped silken nets in fast-flowing water to capture ultrafine particles of organic matter.

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Did You Know?

Its silk nets have an incredibly fine mesh, filtering particles as small as one micrometer.