Giant Silk Moth vs Sooty Ringlet

Side-by-side species comparison

Attribute Giant Silk Moth Sooty Ringlet
Scientific Name Hyalophora euryalus Erebia pluto
Order Lepidoptera Lepidoptera
Family Saturniidae Nymphalidae
Size 90-130 mm 36-44 mm wingspan
Habitat Farmland Mountains
Diet Omnivores Nectar Feeders
Regions Western North America, from British Columbia to Baja California Alps
Conservation Least Concern Least Concern

Giant Silk Moth

A large western North American silk moth with reddish-brown wings featuring bold white crescent markings and a red-and-white banded body. It is the Pacific coast counterpart of the cecropia moth.

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Did You Know?

Hyalophora euryalus can hybridize with the cecropia moth where their ranges overlap, producing fertile offspring in a zone of intergradation.

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.