Table 2: Repellency and CPT of 5% citronella oil against Aedes albopictus in laboratory test.

UntreatedRepellency (%) (±SE) at hours after treatmentCPT (min)
0 h 1 h 2 h
(%) (%) (%)

V1500100786127623
V2170100570.61135.313
V333390.91166.71360.63
V4190100763.21426.323
V51801001327.71422.213
V6340100779.41361.813
V7320100487.51456.313
V823195.7865.21630.43
V92701001063870.313
V1043393783.71174.43
V1138294.71365.81268.43
V1235294.31168.61265.73
V1331293.51164.51551.63
V143301001263.61748.513
V154501001175.6186013
V16520100982.71767.313
V1727196.3966.71544.43
V186801001380.9177513
V19380100878.9781.513
V20420100588.1978.613

AVG35.25 ± 2.810.70 ± 0.2497.92 ± 0.699.05 ± 0.6371.42 ± 3.0513.25 ± 0.6957.73 ± 4.0310.50 ± 1.20

The number () of mosquitoes landing on arm of each volunteer was counted per hour for 2 h. Repellency () was calculated each hour and complete protection time (CPT) was determined by calculating the number of minutes from the time of repellent application to the first mosquito landing.