The present research was conducted to find out acaricidal efficacy of methanolic extracts Calotropis gigantea against Rhipicephalus (Boophilus) microplus ticks in Udaipur (Rajasthan). Larval packet Test (LPT) and Adult Immersion (AIT) were used evaluate efficacy. A total four concentrations the extract (12.5%, 25%, 50%, 100%) along with one control group twice replications for each concentratio...