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Paper Information

Journal:   JOURNAL OF ARTHROPOD-BORNE DISEASES   SEPTEMBER 2016 , Volume 10 , Number 3; Page(s) 372 To 382.
 
Paper: 

BEHAVIORAL RESPONSE OF AEDES AEGYPTI MOSQUITO TOWARDS ESSENTIAL OILS USING OLFACTOMETER

 
 
Author(s):  UNIYAL ASHISH*, TIKAR SACHIN N., MENDKI MURLIDHAR J., SINGH RAM, SHUKLA SHAKTI V., AGRAWAL OM P., VEER VIJAY, SUKUMARAN DEVANATHAN
 
* VECTOR MANAGEMENT DIVISION, DEFENCE R AND D ESTABLISHMENT JHANSI ROAD, GWALIOR, INDIA
 
Abstract: 

Background: Aedes aegypti mosquito is responsible for transmitting human diseases like dengue and chikungunya. Personal or space protection with insect repellents is a practical approach to reducing human mosquito contact, thereby minimizing disease transmission. Essential oils are natural volatile substances from plants used as protective measure against blood-sucking mosquitoes.
Methods: Twenty-three essential oils were evaluated for their repellent effect against Ae. aegypti female mosquito in laboratory conditions using Y-tube olfactometer.
Results: The essential oils exhibited varying degree of repellency. Litsea oil showed 50.31%, 60.2 %, and 77.26% effective mean repellency at 1 ppm, 10 ppm and 100 ppm respectively, while DEET exhibited 59.63%, 68.63%, 85.48% and DEPA showed 57.97%, 65.43%, and 80.62% repellency at respective above concentrations. Statistical analysis revealed that among the tested essential oils, litsea oil had effective repellency in comparison with DEET and DEPA against Ae. aegypti mosquito at all concentration. Essential oils, DEET and DEPA showed significant repellence against Ae. aegypti (P<0.05) at all 3 concentration tested.
Conclusion: Litsea oil exhibited effective percentage repellency similar to DEET and DEPA. The essential oils are natural plant products that may be useful for developing safer and newer herbal based effective mosquito repellents.

 
Keyword(s): ESSENTIAL OILS, AEDES AEGYPTI, REPELLENT, Y-MAZE OLFACTOMETER, FLIGHT ORIENTATION
 
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