sand flea

chig·oe   (chĭg'ō, chē'gō)    n.   A small tropical flea (Tunga penetrans), the fertilized female of which burrows under the skin of animals and humans, causing intense irritation and sores that may become severely infected. Also called chigger, jigger2, sand flea. See chigger. [Possibly from Galibi chico or of African origin; see jigger2.]

Main Entry: chi·goe
Pronunciation: 'chig-(")O, 'chE-(")gO
Function: noun
1 : a tropical flea belonging to the genus Tunga (T.penetrans) of which the fertile female causes great discomfort by burrowing under the skin called also chigger, sand flea
2 : CHIGGER 2

chigoe chig·oe (chĭg'ō)
n.
A small tropical flea (Tunga penetrans) the fertilized female of which burrows under the skin, frequently under the toenails, causing intense irritation and sores that may become severely infected. Also called , jigger², sand flea.