Forestfly vs Autumn Caddisfly

Side-by-side species comparison

Attribute Forestfly Autumn Caddisfly
Scientific Name Nemoura cambrica Limnephilus flavicornis
Order Plecoptera Trichoptera
Family Nemouridae Limnephilidae
Size 6-9 mm 14-20 mm
Habitat Forests Ponds & Lakes
Diet Detritivores Detritivores
Regions Europe Europe, Asia
Conservation Least Concern Least Concern

Forestfly

A small brown stonefly associated with forested Welsh and British streams. Nymphs have distinctive cervical gills and feed on leaf detritus.

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Did You Know?

The species was first described from specimens collected in Wales, giving it the name cambrica.

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.