Comparison of Repellency Effect of Mosquito Repellents for DEET, Citronella, and Fennel Oil

Table 3

Repellency and CPT of 5% fennel oil against Aedes albopictus in laboratory test.

	Untreated	Repellency (%) (±SE) at hours after treatment						CPT (min)
		0 h		1 h		2 h
			(%)		(%)		(%)
V1	23	6	73.9	11	52.2	11	5.2	3
V2	21	3	85.7	10	52.4	7	66.7	3
V3	21	4	81	9	57.1	10	52.4	3
V4	20	1	95	13	35	20	0	3
V5	21	0	100	8	61.9	10	52.4	13
V6	20	2	90	10	50	18	50	3
V7	20	3	85	5	75	10	50	3
V8	20	0	100	10	50	10	50	23
V9	21	0	100	4	81	7	66.7	23
V10	22	4	90.9	8	63.6	10	54.5	3
V11	20	0	100	8	60	10	50	23
V12	22	2	66.7	4	81.8	8	63.6	3
V13	24	4	83.3	6	75	11	54.2	3
AVG	21.15 ± 0.36	2.23 ± 0.54	88.57 ± 2.96	8.15 ± 0.77	61.15 ± 3.85	10.92 ± 1.07	47.36 ± 5.78	8.38 ± 1.12

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.