There are a variety of animals that eat mosquitoes, including chickens, guinea fowl, bats, dragonflies, and frogs. Chickens will eat just about anything, including mosquitoes. Guinea fowl are known to be particularly effective at mosquito control. They will eat the adults, as well as the larvae and pupae. Bats are another great predator of mosquitoes. They will eat both the adults and the larvae. Dragonflies are also effective predators of mosquitoes. They will eat both the adults and the larvae. Frogs will eat both the adults and the larvae.