Repellent and insecticidal efficacy of a new combination of fipronil and permethrin against three mosquito species (Aedes albopictus, Aedes aegypti and Culex pipiens) on dogs

Table 3 Percent repellency of Culex pipiens in dogs treated with a new combination of fipronil and permethrin

Exposure Day	GM of numbers of fed mosquitoes ¹		Repellency (%)
	Untreated control dogs	Treated dogs
	(n = 8)	(n = 8)
1	23.9	0.1	99.4*
7	45.2	0.5	98.9*
14	52.7	2.8	94.7*
21	76.8	6.4	91.7*
28	62.5	6.0	90.4*

¹Geometric Means of mosquitoes collected at the end of the 1-h exposure period. 100 mosquitoes per dog were used for each exposure.
*Significant difference between the population means of the treated and control groups (p = 0.005).

ISSN: 1756-3305