There have been a number of studies done using this species of water bug. Appasus japonicus is a species of giant water bug in the family Belostomatidae. Hebrus consolidus is a species of velvet water bug in the family Hebridae. Lethocerus insulanus is a species of giant water bug of the family Belostomatidae. Abedus indentatus is a species of giant water bug in the family Belostomatidae. Lethocerus medius is a species of giant water bug in the family Belostomatidae. Belostoma flumineum is a North American species of giant water bug (family Belostomatidae). Dex then destroyed Water Bug with the Rider Kick. It resembles a water bug, with slender wispy legs. Lethocerus patruelis is a giant water bug in the family Belostomatidae. Water Bug escaped into the water with Dex not far behind. Especially high prices are fetched in Thailand for the giant water bug "Lethocerus indicus". The wingless water bug "Austrovelia queenslandica" is known only from this area. The water bug or water beetle is known as "alukap" in Ilokano language.