How do Insects Walk on Water? —

Using the surface tension of water and a hydrophobic coating on their legs, many insects are able to walk on water. The surface tension acts like an invisible blanket across the top of the water, while the hydrophobic coating on the insects legs means that they are repelled from water molecules, much like the repulsion of two magnets with the same pole.

https://www.youtube.com/watch?v=tvAoLjR5TI4