Golden tortoise beetle (Charidotella sexpunctata) is widely distributed in North America. Insect reaches only 5-7 mm in length and has a golden color shell. But it makes an unusual ability to change color if the trouble. The color change provides microscopic valves that regulate the level of moisture under the shell. Beetle feeds on the leaves of morning glory. We offer you a gallery of photos, which you can see this unusual bug.