Hyalymenus is a genus of broad-headed bugs in the family Alydidae. The bugs in the genus Hyalymenus are typically characterized by a wide or broad head, which is a key feature of the Alydidae family. Hyalymenus species are primarily sap-feeding insects, utilizing their piercing-sucking mouthparts to feed on plant juices. They can often be found on a variety of host plants.