Auchenorrhyncha is a suborder of insects within the order Hemiptera, commonly known as leafhoppers, planthoppers, and treehoppers. These insects are characterized by their piercing-sucking mouthparts, which they use to feed on plant sap. They are typically small and can be found in various habitats, including gardens, forests, and grasslands. Members of Auchenorrhyncha play a significant role in ecosystems as both herbivores and prey for other animals. Some species can also transmit plant diseases, making them important in agriculture. Their diverse forms and behaviors contribute to the ecological balance in their environments.