Myopopone castanea is a species of ant in the genus Myopopone. It was described by Smith in 1860.
Myopopone castanea is distributed in several Asian countries (such as Borneo and Indonesia) and in Australia, where they prefer to nest in rotten wood or bark.
Myopopone castanea is a predator of Coleoptera larvae that has been studied for potential use as a biological pest control insect of Oryctes rhinoceros larvae. The species is the only species known that has workers engage in larval hemolymph feeding.