Publilia is a small insect belonging to the family Membracidae, commonly known as treehoppers. They are characterized by their unique and elaborate pronotum, which resembles thorns or horns. Publilia insects are typically found on various plants and trees, where they feed on sap using their piercing mouthparts. They are known for their vibrant colors and intricate patterns, making them fascinating subjects for study in the field of entomology.