Genus Hyalophora is a term used in biology to describe a particular group of moths. However, there are several synonyms that can be used to refer to this same group of insects. These include the Polyphemus moth, which is a common name for the largest of the North American silk moths. Another synonym is the Hyalophora cecropia, which refers to a specific species of moth that falls under the Genus Hyalophora. Additional synonyms may include the giant silk moth, which is another commonly used name for this group of moths. Despite the variations in nomenclature, all synonyms ultimately reference the same Genus Hyalophora, which encompasses a beautiful and diverse range of moths.