According to the Simpson Species Diversity Index, the findings of species diversity and richess based on different hosts showed that the highest species diversity among the studied hosts was correlated to sheep and goats (0.881), and the lowest species diversity was found in horses and donkeys (0.715). The highest species diversity was found in  sheep and goats (2.333) and the lowest species diversity in horse and donkey  hosts (1.399) according to the Shannon-Wiener index. There was a significant difference in the evenness index for livestock hosts that ranged from the highest for sheep and goats (0.9096) to the lowest for cows and ox (0.7945).(Table 3).

Table 3. Determining the diversity and species richness of ticks caught separately by the host in the study areas in Sarab county, 2018-2019