Amblyomma nodosum is a species of specialized tick, found in three roadkilled giant anteaters from Minas Gerais, Brazil.[1] There are 100 species of Amblyomma worldwide, 33 of which are from Brazil. A. nodosum is a specialist that lives exclusively on the giant anteater (Myrmecophaga tridactyla) and the Southern tamandua (Tamandua tetradactyla).