Actias truncatipennis is also known as the Mexican Moon Moth. It is an uncommon moth of the family Saturniidae, potentially the only species of the genus that is found in Mexico. The species was first described by Léon Sonthonnax in 1899.

It resembles the Luna moth but is considerably larger, and the bottom of its forewings are more curved. Larvae appear also almost identical to A. Luna, but are presumably larger.

Additionally, similar to A. Luna, this species has seasonal forms with slightly varying appearance, implying multiple yearly generations. This is shown in the lacking or addition of distinct red-brown edges of the wings, and longer, but more slender tails. This form with colored wing-edges may be the spring form.

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