Abstract
Adults of the lone star tick Amblyomma cajennense infests selectively equids. However, due to its low specificity, immature stages (larvae and nymphs) parasite cattle, deers, domestic and wild dogs, birds, rodents and men also. This tick species is broadly distributed through the American continent and in Brazil is the main vector of Rickettsia rickettsii, the Spotted Fever pathogen, re-e…