Hedylidae, the "American moth-butterflies", is a family of insects in the order Lepidoptera, formerly representing the superfamily Hedyloidea. They have traditionally been viewed as an extant sister group of the butterfly superfamily Papilionoidea, but a 2014 phylogenetic analysis has suggested Hedylidae is a subgroup of Papilionoidea, and not a sister group, and are more accurately referred to as butterflies rather than moths. They are represented by a single Neotropical genus, Macrosoma, with 35 currently recognized species.

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