Description: English: Genital capsule from an adult male Notonecta lunata from Ontario, Canada. Date: 30 October 2020. Source: Own work. Author: Fredlyfish4.
Description: English: The above is an image of a species of back swimmer under a microscope. Date: 26 October 2012, 13:45:57. Source: Own work. Author: Mcdougall123.