Psyllids, also known as jumping plant lice, are small, sap-sucking insects belonging to the family Psyllidae. They are typically found on various plants, where they feed on the sap, which can weaken the host plant and lead to stunted growth. Psyllids are known for their ability to jump long distances, which helps them escape predators and move between plants. These insects can also be vectors for plant diseases, particularly bacterial infections that affect crops. Some species of psyllids, like the potato psyllid, are significant agricultural pests, causing economic damage to crops. Effective management strategies are essential to control their populations and protect plant health.