Mosquitoes were harvested and placed in a bug chamber for a series of three sets of experiments: 1)
Control: no repellents were used. Mosquitos were then exposed to human* contact. 2) 15% Off brand,
commercial Deet based spray was applied to the arm* and then exposed to the mosquitoes in a bug
chamber. 3) 25% Lemon Grass solution was applied to the arm* and then exposed to the mosquitoes in a
bug chamber. *Informed consent was obtained from each of the human subjects.