Sweet!

"Perhaps the most remarkable manner in which defensive glands are employed is found in Staphylinid beetles of the genus Stenus. If these insects should inadvertently fall into water, they can readily escape by discharging from the tip of the abdomen a chemical that causes the surface tension behind them to be markedly depressed. This has the effect of propelling the insect forward at a considerable speed----up to 15 centimetres can be covered in this way by S. comma at 75cm per second."