Little Olive Sedge vs Trumpet-Net Caddis

Side-by-side species comparison

Attribute Little Olive Sedge Trumpet-Net Caddis
Scientific Name Hydropsyche betteni Polycentropus flavomaculatus
Order Trichoptera Trichoptera
Family Hydropsychidae Polycentropodidae
Size 10-14 mm 10-15 mm
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Omnivores
Regions North America Europe
Conservation Least Concern Least Concern

Little Olive Sedge

A common North American net-spinning caddisfly tolerant of a range of water qualities. Larvae build intricate filtering nets in crevices between cobbles.

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Did You Know?

Silk nets are species-specific in mesh size, tuned to the preferred food particle diameter.

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.