Notonecta undulata is a species of water bug commonly known as the striped backswimmer. Its distinctive markings make it easily identifiable in freshwater bodies such as ponds, rivers, and lakes. However, there are many other synonyms for this species. Some of these include the common backswimmer, the striped water scorpion, and the undulating back swimmer. These names all refer to the same species and highlight some of its unique features such as its ability to swim upside down and the undulating motion of its back as it moves through the water. Notonecta undulata is a fascinating species and a critical part of the freshwater ecosystem.