Some of these - the Hydrometridae or pond-skaters, for example - move over the surface-film, on which they are supported by their elongated, slender legs, the body of the insect being raised clear of the water.
But it's too bad she didn't send you one of those itsy-bitsy outfits all the really cool skaters wear, he answered.
The only other skaters were a mother and her four-year old pig-tailed professional level daughter and an old man who skated like a retired gold medalist.
Others are scavengers feeding on decaying organic matter; the pond skaters, for example, live mostly on the juices of dead floating insects.
The Hydrometridae are a large family including the pond-skaters and other dwellers on the surface-film of fresh water, as well as the remarkable oceanic genus Halobates already referred to.