Abstract
The species Rhipicephalus sanguineus lato sensu (Ixodidae) is popularly known as brown dog tick" and causes economic and health losses for its parasite action and for being a vector of pathogens. Due to its importance in the control of tick metabolism, the central nervous system, CNS (synganglion) is one of the target organs of the action of acaricides. The intense and indiscriminate use …