It was hiding on the underside of the sea hibiscus, two of its tarsi clipped to the edge of the heart-shaped leaf, betraying its presence. Gingerly, I flipped the leaf over and my heart skipped a beat, for my initial hunch was right: a tiny walking leaf! It tended to stagger from side to side before settling down, possibly mimicking the movement of a leaf in the wind. We also observed it chewing on the browning edges of a dying sea hibiscus leaf, a behaviour which raises some questions: don’t most herbivores prefer young to mature leaves? Is this species…