Objective: to research the fauna of the ectoparasites of the human and animals. Materials and methods: The materials has been gathered from the 158 poultry and 55 livestock farms of the southern regions (Kashkadarya and Surkhandarya) of the Uzbekistan. Results: 7 types related to the 2 family and 2 genus of the Argasid ticks has been found based on the results of the research provided in the biogeosenosis of the southern territories of the Uzbekistan: Argaspersicus,A. reflexus, A. vespertilionis, Ornithodorospapillipes, O. tartakovski, O. cholodokovski and O. lahorensis. Conclusion: A. persicus tunred out to be dominant (87.6%) by the number related to the general amount of the ticks belonging to the family of Argas, also we can see that the seasonal changes in the number of the ticks’ prevalence that exactly this type of ticks are clearly prevails.