Polyphemus moth, also known as Antheraea polyphemus, is a fascinating creature coveted by many nature enthusiasts. However, many people are curious about the synonyms of this unique creature. The most common alternate names for Polyphemus moth are Giant Silkworm Moth, Polyphemus Silk Moth, or simply Silk Moth. These names are derived from the strikingly beautiful wingspan of the moth, which can reach up to six inches. Some other synonyms for Polyphemus moth include Saturnia polyphemus and Philosamia cynthia, which are different Latin names for this fascinating insect. The Polyphemus moth is a beautiful and magnificent creature and one of the most charismatic insects in the world.