Swallow-tailed Moth vs Rock Caddisfly

Side-by-side species comparison

Attribute Swallow-tailed Moth Rock Caddisfly
Scientific Name Ourapteryx sambucaria Goera calcarata
Order Lepidoptera Trichoptera
Family Geometridae Goeridae
Size 50-62 mm wingspan 8-12 mm
Habitat Underground Rivers & Streams
Diet Omnivores Omnivores
Regions Europe, temperate Asia Europe
Conservation Least Concern Least Concern

Swallow-tailed Moth

A large, pale lemon-yellow moth with pointed tail-like projections on its hindwings. Its graceful shape and colour make it one of the most elegant geometrid moths.

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Did You Know?

Despite its butterfly-like tail extensions, it is a true moth and is strongly attracted to light.

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.