Mother of Pearl Caddisfly vs Green Sedge

Side-by-side species comparison

Attribute Mother of Pearl Caddisfly Green Sedge
Scientific Name Mystacides azurea Rhyacophila dorsalis
Order Trichoptera Trichoptera
Family Leptoceridae Rhyacophilidae
Size 7-10 mm 10-14 mm
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Predators
Regions Europe, Asia Europe, Asia
Conservation Least Concern Least Concern

Mother of Pearl Caddisfly

A small iridescent caddisfly with long antennae and pearly blue-green wings. It swarms in large mating flights over lakes and slow rivers.

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Did You Know?

The iridescent wing scales of this caddisfly create a shimmering blue-green appearance unique among the Trichoptera.

Green Sedge

A free-living caddisfly larva that does not build a case, instead roaming the streambed as an active predator. Adults have greenish wings.

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Did You Know?

Unlike most caddisflies, green sedge larvae are caseless predators that hunt like underwater wolves among the stream cobbles.