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Table 4 Percent insecticidal efficacy of Aedes albopictus, Aedes aegypti and Culex pipiens in dogs treated with a new combination of fipronil and permethrin

From: 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

Species Time post exposure 1 Percent insecticidal efficacy 2
Day 1 Day 7 Day 14 Day 21 Day 28 Day 35
A. albopictus 4 h ND3 100* 93.2* 93.7* 91.1* ND
24 h ND3 100* 97.1* 100* 100* ND
48 h ND3 100* 97.8* 100* 100* ND
A. aegypti 4 h 99.8* 93.8* 69.5* 77.0* 20.9* 27.1*
24 h 99.7* 99.9* 98.0* 98.5* 79.8* 75.7*
48 h 99.7* 99.8* 99.1* 99.3* 86.6* 84.7*
C. pipiens 24 h 77.9* 92.1* 34.7* 38.5* 26.9* ND
48 h 79.4* 93.8* 37.3* 45.0* 30.9* ND
  1. 1Mosquitoes were collected at the end of the 1-h exposure period. 2Based on geometric means.
  2. 3Analysis not performed on these days.
  3. *Significant difference between the population means of the treated and control groups (p = 0.005).