TABLE 2.

Knock-Down Times (in minutes) for the Insecticide-Exposed Mosquitoes, by Insecticide Type

InsecticideKDT50 (95% CI)KDT95 (95% CI)
SumiShield 50WG45.81 (44.34, 47.35)83.85 (80.81, 87.24)
Permethrin47.73 (45.79, 49.75)85.77 (82.45, 89.45)
Pirimiphos-methyl67.77 (64.84, 70.88)105.81 (101.46, 110.61)
  • Abbreviations: CI, confidence interval; KDT, knock-down time.

  • Note: Mosquitoes were exposed to each insecticide for 1 hour.