Fact: Some beetles eat dung and lay an egg on top of a ball of it so that the baby will have plenty of good dung to eat when it hatches. Another fact: Butterflies taste with their foot hair, not their fancy, hollow tongues! In Bugs readers explore the world of bugs with articles full of fun facts and an exciting story about a young girl's trip with her parents to a rainforest in Costa Rica, and the parade of ants she saw with each one wearing a green leaf hat on their head.