Amblyomma cajennense or Cayenne tick is a species of tick found in a range from the southern part of the United States to northern Argentina, through Central America and some of the Caribbean. A 2014 study asserts that Amblyomma cajennense s.s. is found only in the Amazonian region of South America, whereas the species reported from the northern part of the Inter-Andean valley of Peru is A. interandinum, the species present from Texas (U.S.A.) to western Ecuador is , the species that occurs in the Eastern Cordillera of Colombia is A. patinoi, the species associated with the dry areas of the Chaco region spanning from central-northern Argentina to Bolivia and Paraguay is A. tonelliae, and the species distributed from the humid areas of northern Argentina to the contiguous regions of Bolivia