Genus Eacles is a group of large, majestic moths native to the Americas. While there aren't many synonyms for this particular group, there are some related terms that may come in handy for those interested in moth taxonomy. Eacles is a member of the family Saturniidae, also known as the giant silk moths. Others in this family include Antheraea, Callosamia, and Automeris. Another term to note is Lepidoptera, the order of insects that includes butterflies and moths. Additionally, there are various species within the genus Eacles, including Eacles oslari, Eacles imperialis, and Eacles ducalis.