Table 1 Frequency of kdr alleles in permethrin and deltamethrin resistant Aedes aegypti mosquitoes
Site | Year | Pyrethroid phenotype | F1534C genotype | V1016G genotype | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
n | F/F | F/C | C/C | C allele frequency | n | V/V | V/G | G/G | G allele frequency | |||
Gangodawila | 2017 | Permethrin resistant | 25 | 2 | 11 | 12 | 0.7000 | 25 | 10 | 12 | 3 | 0.3600 |
2020 | Permethrin resistant | 29 | 2 | 10 | 17 | 0.7586 | 27 | 20 | 5 | 2 | 0.1667 | |
2017 | Deltamethrin resistant | 25 | 0 | 15 | 10 | 0.7000 | 25 | 17 | 7 | 1 | 0.1800 | |
2020 | Deltamethrin resistant | 24 | 0 | 4 | 20 | 0.9167 | 21 | 10 | 5 | 6 | 0.4048 | |
Udahamulla | 2017 | Permethrin resistant | 27 | 1 | 10 | 16 | 0.7778 | 27 | 9 | 17 | 1 | 0.3519 |
2020 | Permethrin resistant | 24 | 3 | 9 | 12 | 0.6875 | 28 | 5 | 15 | 8 | 0.5536 | |
2017 | Deltamethrin resistant | 32 | 3 | 23 | 6 | 0.5469 | 23 | 6 | 9 | 8 | 0.5435 | |
2020 | Deltamethrin resistant | 28 | 5 | 16 | 7 | 0.5357 | 25 | 4 | 17 | 4 | 0.5000 | |
Delkanda | 2017 | Permethrin resistant | 25 | 1 | 8 | 16 | 0.8000 | 24 | 15 | 7 | 2 | 0.2292 |
2020 | Permethrin resistant | 21 | 3 | 1 | 17 | 0.8333 | 16 | 6 | 6 | 4 | 0.4375 | |
2017 | Deltamethrin resistant | 17 | 1 | 9 | 7 | 0.6765 | 11 | 3 | 8 | 0 | 0.3636 | |
2020 | Deltamethrin resistant | 24 | 2 | 6 | 16 | 0.7917 | 13 | 8 | 3 | 2 | 0.2692 | |