Black Sedge vs Trumpet-Net Caddis

Side-by-side species comparison

Attribute Black Sedge Trumpet-Net Caddis
Scientific Name Silo nigricornis Polycentropus flavomaculatus
Order Trichoptera Trichoptera
Family Goeridae Polycentropodidae
Size 7-9 mm body 10-15 mm
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Omnivores
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.

💡

Did You Know?

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

Trumpet-Net Caddis

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

💡

Did You Know?

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