Black Sedge vs Mothlike Caddisfly

Side-by-side species comparison

Attribute Black Sedge Mothlike Caddisfly
Scientific Name Silo nigricornis Triaenodes bicolor
Order Trichoptera Trichoptera
Family Goeridae Leptoceridae
Size 7-9 mm body 10-14 mm
Habitat Rivers & Streams Ponds & Lakes
Diet Omnivores Detritivores
Regions Europe Europe
Conservation Least Concern Least Concern

Black Sedge

A caddisfly whose larvae build heavy cases from sand grains cemented with silk. Found in clean, stony streams. Cases have lateral flanges of larger stones for ballast.

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Did You Know?

Larval cases have added flanges of larger stones that act as ballast, preventing the case from being swept away.

Mothlike Caddisfly

An elegant caddisfly with pale straw-colored wings and long antennae found near still waters. Larvae build slender spiral cases from plant fragments and swim actively.

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Did You Know?

Triaenodes larvae are unusual among caddisflies in being strong swimmers, propelled by their fringed hind legs.