White Ermine vs Ilia Underwing

Side-by-side species comparison

Attribute White Ermine Ilia Underwing
Scientific Name Spilosoma lubricipeda Catocala ilia
Order Lepidoptera Lepidoptera
Family Erebidae Erebidae
Size 34-42 mm wingspan 70-95 mm wingspan
Habitat Farmland Woodlands
Diet Herbivores Predators
Regions Europe, temperate Asia Eastern North America from southern Canada to the Gulf states
Conservation Least Concern Least Concern

White Ermine

A pure white moth peppered with variable black dots, resembling ermine fur. The number of spots varies greatly between individuals.

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Did You Know?

Some individuals have so few spots they appear nearly pure white, while others are heavily marked.

Ilia Underwing

A large moth with bark-patterned gray forewings that conceal bright reddish-orange and black hindwings. When startled, it flashes its colorful hindwings to confuse predators.

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Did You Know?

It rests head-down on tree trunks during the day, where its cryptic forewings blend perfectly with oak bark.