Automeris io, commonly known as the Io moth, is notable for its striking eyespots on the hindwings, resembling owl eyes to deter predators. This species inhabits deciduous forests and fields across North America. Its larvae, covered in stinging spines, feed on a variety of host plants.

Automeris io, commonly known as the Io moth, is native to North America. Its geographical distribution spans from the eastern United States, extending from southern Canada through the eastern and central U.S. down to parts of Central America, including Mexico. The species is also found in parts of the Caribbean.

The Io moth typically inhabits deciduous forests, open woodlands, and shrubby areas. It is also found in gardens, parks, and other areas where host plants are available. The environments are usually characterized by moderate to warm climates, with sufficient vegetation cover to provide food and protection.

Automeris io serves an important role in its ecosystem as both a pollinator and a food source for various predators. The larvae (caterpillars) feed on a wide range of host plants, including trees and shrubs such as willow, oak, and maple, playing a role in controlling plant populations. The adult moths are nocturnal and are known to be attracted to lights at night.