Lesser Yellow Underwing vs Ilia Underwing

Side-by-side species comparison

Attribute Lesser Yellow Underwing Ilia Underwing
Scientific Name Noctua comes Catocala ilia
Order Lepidoptera Lepidoptera
Family Noctuidae Erebidae
Size 40-46 mm wingspan 70-95 mm wingspan
Habitat Gardens Woodlands
Diet Herbivores Predators
Regions Europe Eastern North America from southern Canada to the Gulf states
Conservation Least Concern Least Concern

Lesser Yellow Underwing

Similar to the Large Yellow Underwing but smaller with more orange-yellow hindwings. Very common in gardens and attracted to light. Larvae feed on many herbaceous plants.

💡

Did You Know?

Together with its larger relative, forms one of the most abundant moth species partnerships in garden moth traps.

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.

💡

Did You Know?

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