Here is a picture of a diving beetle larva taken with some kind of electron microscope scanner.

diving-beetle-larva

Eye of Science / Science Photo Library / Getty Images

More up-close photos from Cosmos Magazine here: https://cosmosmagazine.com/biology/micro-monsters-up-close-and-personal?platform=hootsuite

Regular-looking photograph of diving beetle larvae here: https://outdooredguys.wordpress.com/2011/06/17/tigers-of-the-pond/