This study was conducted through an online questionnaire with residents of the southern region of Palmas-TO. It sought to identify the incidence of hemoparasitosis in dogs and the participants' level of knowledge about the diseases. It was shown that the majority of respondents - young people between 18 and 25 years old (80.58%) with complete high school (55.34%) and frequent users of social networks - know the diseases researched from the popular term, “diseases of the tick ”(56.31%), and not its technical nomenclature, ie hemoparasitic diseases (31.07%). The theoretical study revealed that erliquiosis (9.71%) is prevalent in dogs of urban area, due to the higher occurrence of the parasite Rhipicephalus sanguineus in these regions.