Ilia Underwing vs Lesser Death's-head Hawk Moth

Side-by-side species comparison

Attribute Ilia Underwing Lesser Death's-head Hawk Moth
Scientific Name Catocala ilia Acherontia styx
Order Lepidoptera Lepidoptera
Family Erebidae Sphingidae
Size 70-95 mm wingspan 80-115 mm
Habitat Woodlands Farmland
Diet Predators Sap Feeders
Regions Eastern North America from southern Canada to the Gulf states South Asia, Southeast Asia, East Asia
Conservation Least Concern Least Concern

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.

Lesser Death's-head Hawk Moth

An Asian relative of the death's-head hawk moth, similarly marked with a skull pattern on the thorax. It is slightly smaller but equally capable of entering beehives to feed on honey.

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Did You Know?

Like its European cousin, Acherontia styx can produce a squeaking sound by forcing air through its proboscis, which may mimic queen bee pheromones to pacify guard bees.