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Table 2 Time (h) taken to knockdown 50% (KT50) and 90% (KT90) of the Kandy Cimex hemipterus population when exposed to discriminating dosages of deltamethrin and permethrin (n > 100 per insecticide) [24]. Data from the 2002 population [21] are also presented for comparison

From: Insecticide resistance mechanisms with novel ‘kdr’ type gene mutations in the tropical bed bug Cimex hemipterus

Insecticide

2002

2016

KT50

KT90

KT50 (95% CI)

KT90 (95% CI)

Deltamethrin (0.025%)

0.5

1.0

62.55 (52.08–76.80)

123.96 (96.57–186.89)

Permethrin (0.25%)

10

24

201.10 (100.96–1653.00)

a

  1. aBeyond the detectable level (see the text for details)
  2. Abbreviation: CI, 95% confidence interval
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Parasites & Vectors

ISSN: 1756-3305

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