Screening of phytochemical composition, Ovicidal and repellent activity of leaf extracts of Sphaeranthus indicus and Caesalpinia pulcherrima against the mosquito Culex quinquefasciatus (Diptera: Culicidae)

Mosquitoes contribute to main disease burden in India as they are causative agent of many vector-borne diseases. Various methods now being used control the vectors that might help stop spread. In this regard, current study was carried out analyze phytochemicals, ovicidal and repellent activities acetone, chloroform ethanol extracts Sphaeranthus indicus leaves Caesalpinia pulcherrima against vector Culex quinquefasciatus. The potency investigated at different concentrations ranging from 50 ppm 300 under standard laboratory environment. activity tested 1.0 mg/cm2, 2.5 mg/cm2 5.0 mg/cm2. test find phytochemicals present extract done following methods. According results, among three for their potency, leaf showed excellent mosquito Therefore, further subjected phytochemical screening. results screening presence alkaloids, phenols, sterols, terpenoids, flavonoids, tannins, phytosterols.