Luna Moth vs Walnut Sphinx Moth

Side-by-side species comparison

Attribute Luna Moth Walnut Sphinx Moth
Scientific Name Actias luna Amorpha juglandis
Order Lepidoptera Lepidoptera
Family Saturniidae Sphingidae
Size 80-115 mm wingspan 50-75 mm
Habitat Woodlands Woodlands
Diet Omnivores Detritivores
Regions North America Eastern North America
Conservation Least Concern Least Concern

Luna Moth

A stunning lime-green moth with long trailing hindwing tails. Adults live only about one week. The long tails confuse bat echolocation by creating false echoes.

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Did You Know?

The luna moths long tail streamers confuse bat sonar — they spin behind the moth creating acoustic illusions that cause bats to miss their target 47% of the time.

Walnut Sphinx Moth

A beautifully cryptic hawk moth with scalloped wing edges and mottled brown, gray, and lavender patterns. It rests among leaf litter where it is nearly impossible to detect.

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Did You Know?

The walnut sphinx caterpillar can produce a high-pitched whistle by forcing air through its spiracles, startling birds and other predators.