Giant Caddisfly vs Spotted Sedge

Side-by-side species comparison

Attribute Giant Caddisfly Spotted Sedge
Scientific Name Phryganea grandis Hydropsyche siltalai
Order Trichoptera Trichoptera
Family Phryganeidae Hydropsychidae
Size 25-30 mm 10-14 mm
Habitat Ponds & Lakes Rivers & Streams
Diet Herbivores Omnivores
Regions Europe, Asia Europe
Conservation Least Concern Least Concern

Giant Caddisfly

The largest European caddisfly with mottled brown-and-cream wings spanning up to 60 mm. Its larvae build portable cases from spirally arranged plant fragments.

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Did You Know?

Giant caddisfly larvae construct their cases in a beautiful spiral pattern from carefully cut pieces of leaves and stems.

Spotted Sedge

A net-spinning caddisfly that constructs silken capture nets in fast-flowing water to filter food from the current. Adults have spotted brown wings.

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Did You Know?

Net-spinning caddisfly larvae are such effective filter feeders that they can remove significant amounts of fine particles from stream water.