The chigoe flea, also known as the sand flea or jigger, is a parasitic insect found in tropical and subtropical areas. It burrows into the skin of humans and animals, causing painful swelling and discomfort. There are many synonyms for the chigoe flea, including the tunga penetrans, chigoe flea sandfly, or nigua. In some regions, the insect is also referred to as the puce, meaning flea in French. Other regional names for the chigoe flea include the bicho de pie (foot bug) in Spanish and the suthi in Swahili. Despite its many names, the chigoe flea is a dangerous parasite that can cause serious health problems if not treated promptly.