Little Sister Sedge vs Rock Caddisfly

Side-by-side species comparison

Attribute Little Sister Sedge Rock Caddisfly
Scientific Name Cheumatopsyche campyla Goera calcarata
Order Trichoptera Trichoptera
Family Hydropsychidae Goeridae
Size 7-10 mm 8-12 mm
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Omnivores
Regions North America Europe
Conservation Least Concern Least Concern

Little Sister Sedge

A small net-spinning caddisfly widespread in warm-water streams. Larvae tolerate moderate enrichment better than most Hydropsychidae.

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Did You Know?

Larvae vibrate their bodies to increase water flow through their catch-nets.

Rock Caddisfly

A caddisfly of limestone streams whose cases incorporate calcareous sand grains and pebble ballast. Larvae scrape algae from rock surfaces.

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Did You Know?

The calcareous case material provides partial camouflage against the pale limestone streambed.