Green Carpet Moth vs Rock Caddisfly

Side-by-side species comparison

Attribute Green Carpet Moth Rock Caddisfly
Scientific Name Colostygia pectinataria Goera calcarata
Order Lepidoptera Trichoptera
Family Geometridae Goeridae
Size 25-30 mm wingspan 8-12 mm
Habitat Hedgerows Rivers & Streams
Diet Omnivores Omnivores
Regions Europe Europe
Conservation Least Concern Least Concern

Green Carpet Moth

A small moth with bright green forewings crossed by darker green bands. The green color fades to yellowish in older or worn specimens.

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Did You Know?

It is one of the few European moths that appears truly green rather than relying on structural coloration.

Rock Caddisfly

A caddisfly of limestone streams whose cases incorporate calcareous sand grains and pebble ballast. Larvae scrape algae from rock surfaces.

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Did You Know?

The calcareous case material provides partial camouflage against the pale limestone streambed.