Cayenne Tick

Amblyomma cajennense

Description

The Cayenne tick (Amblyomma cajennense) is a cold-sensitive species, active year-round in tropical and sub-tropical areas of the Caribbean and Mexico, extending southward throughout much of Central and South America. Populations within the US are confined primarily to south Texas, although collections of Cayenne ticks from Florida and coastal regions of other states bordering the Gulf of Mexico have been reported.

Larvae
Nymph Adult Male Adult Female


Disease Transmission

The Cayenne tick is known to carry and transmit Rocky Mountain spotted fever south of the US border, and is suspected to vector other pathogens throughout much of it's range. Lab studies show that the Cayenne tick may also be capable of transmitting an equine piroplasmosis, called Theileria equi.


Range Distribution

Found from Texas to the western areas of Ecuador. Amblyomma mixtum is a cold-sensitive species that is active year-round in tropical and sub-tropical areas of the Caribbean and Mexico. Populations within the US are primarily confined to south Texas, although collections of Cayenne ticks from Florida and coastal regions of other states bordering the Gulf of Mexico have been reported.

Range Map - Cayenne Tick