Sooty Ringlet vs Spotted Willow Leaf Beetle

Side-by-side species comparison

Attribute Sooty Ringlet Spotted Willow Leaf Beetle
Scientific Name Erebia pluto Chrysomela knabi
Order Lepidoptera Coleoptera
Family Nymphalidae Chrysomelidae
Size 36-44 mm wingspan 6-8 mm
Habitat Mountains Mountains
Diet Nectar Feeders Herbivores
Regions Alps Western North America
Conservation Least Concern Least Concern

Sooty Ringlet

One of the darkest European butterflies, almost entirely black. It inhabits the highest scree slopes and rock faces in the Alps.

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Did You Know?

Its nearly black wings help absorb solar radiation for warmth in its frigid habitat.

Spotted Willow Leaf Beetle

A dark metallic blue-black beetle with an oval body found on willows in western North America. Adults and larvae feed on willow foliage near mountain streams.

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Did You Know?

This species is adapted to high-altitude habitats and is commonly found above 2,000 meters elevation in the Rocky Mountains.