Larvicidal activity of essential oil from Vitex negundo and Vitex trifolia on dengue vector mosquito Aedes aegypti

Larvicidal activity of essential oil from Vitex negundo and Vitex trifolia on dengue vector mosquito Aedes aegypti

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Abstract INTRODUCTION: The ability of viking k2 slide gate operator Vitex trifolia and Vitex negundo essential oils to kill Aedes aegypti and Culex quinquefasciatus larvae was evaluated.METHODS: The larvae were treated with their respective essential oils at 50-125 ppm concentration.RESULTS: LC50 and LC90 for V.

trifolia against Ae.aegypti and C.quinquefasciatus, and those for V.

negundo against Ae.aegypti were 57.7+0.

4, 77.9+0.9 ppm and 55.

17+3.14, beed machine weed 78.28+2.

23 ppm, and 50.86+0.9, 73.

12+1.3 ppm, respectively.Eucalyptol and caryophyllene were the major components in Vitex trifolia and Vitex negundo essential oil, respectively.

CONCLUSIONS: This study revealed potential larvicidal properties of essential oil from V.trifolia.