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Table 1 Temephos LC 50 and RR of Ae. aegypti and Ae. albopictus Malaysian strains against susceptible laboratory strains

From: Contrasting patterns of insecticide resistance and knockdown resistance (kdr) in the dengue vectors Aedes aegypti and Aedes albopictus from Malaysia

Strain

Sample size

LC 50 ,ppm (95% C.I.)

RR

Ae. aegypti

   

New Orleans

640

0.004 (0.003 – 0.006)a

1

Penang

640

0.008 (0.008 – 0.009)a

2

Kuala Lumpur

640

0.006 (0.005 – 0.006)

1.5

Johor Bharu

640

0.006 (0.005 – 0.006)

1.5

Kota Bharu

N/A

-

 

Ae. albopictus

   

VCRU

640

0.006 (0.006 – 0.007)

1

Penang

640

0.020 (0.018 – 0.021)a

3.3

Kuala Lumpur

640

0.015 (0.014 – 0.016)a

2.5

Johor Bharu

N/A

-

-

Kota Bharu

N/A

-

-

  1. Four replicates tested for each temephos concentration.C.I.: Confidence Interval. aStatistically significant.
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Parasites & Vectors

ISSN: 1756-3305

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