Great Grey Sedge vs Autumn Caddisfly

Side-by-side species comparison

Attribute Great Grey Sedge Autumn Caddisfly
Scientific Name Arctopsyche grandis Limnephilus flavicornis
Order Trichoptera Trichoptera
Family Hydropsychidae Limnephilidae
Size 20-30 mm 14-20 mm
Habitat Mountains Ponds & Lakes
Diet Omnivores Detritivores
Regions North America Europe, Asia
Conservation Least Concern Least Concern

Great Grey Sedge

One of the largest net-spinning caddisflies in North America with a wingspan over 40 mm. Larvae build robust catch-nets in powerful mountain torrents.

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Did You Know?

Larvae are partially predatory, consuming small invertebrates trapped in their nets alongside organic debris.

Autumn Caddisfly

A large autumnal caddisfly with golden-brown wings and yellow antennae. One of the last caddisfly species to emerge each year in temperate regions.

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Did You Know?

This species overwinters as an adult in sheltered spots, and mated females delay egg-laying until the following spring.