Water Beetle Laying Egg (IMAGE) Michigan State University Caption Hydrochara caraboides, a species of diving beetle that is attracted to lay its egg on cars, especially red ones. Vehicles are very strong polarizers of light. The coating of the eggs is acidic and eats away the surface of the car's paint. This occurs worldwide. Credit Gyorgy Kriska Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.