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Table 3 Phenotype and genotype at knockdown resistance kdr locus 1534 in mosquitoes from Dhaka and non-Dhaka populations exposed to permethrin and deltamethrin

From: Insecticide resistance status of Aedes aegypti in Bangladesh

Genotypea Permethrin 1×b Deltamethrin 1×b
Phenotype Phenotype
Alive (n = 61) Dead (n = 10) Dead (n = 30)
Dhaka
 FF 25 (41.0%) 9 (90.0%) 19 (63.3%)
 FC 3 (4.9%) 0 0
 CC 33 (54.1%) 1 (10.0%) 11 (36.7%)
 P 0.016  
Genotypea Permethrin 1×b Deltamethrin 1×b
Phenotype Phenotype
Alive (n = 29) Dead (n = 10) Dead (n = 30)
Non-Dhaka
 FF 10 (34.5%) 0 2 (6.7%)
 FC 8 (27.6%) 2 (20.0%) 9 (30.0%)
 CC 11 (37.9%) 8 (80.0%) 19 (63.3%)
 P 0.043  
  1. aCC Mutant homozygotes, FF wild-type homozygotes, FC heterozygotes
  2. b1× is the diagnostic dose