Table 4. Susceptibility against permethrin and permethrin/PBO of F1 female adults produced by individual blood-fed females collected in houses in Gembe East, Mbita, and western islands, Kenya.
| Species | House ID2) , 3) | WHO Tube Test (F1 adult) | ||||||
| Permethrin 0.75% | Permethrin/PBO 0.75/0.75% | RR %4) | ||||||
| N | KT50 (min.) | % Mortality | N | KT50 (min.) | % Mortality | |||
| An. arabiensis | NYAR 3 | 26 | >60 | 47.6 | 23 | 24.8 | 90.9 | 0 |
| NYAR 5 | 14 | >60 | 25.0 | 15 | 26.0 | 100 | 0 | |
| NYAR 10 | 25 | >60 | 24.0 | 32 | 26.8 | 93.8 | 0 | |
| NYAND 8 | 15 | >60 | 0 | 16 | 18.0 | 100 | 0 | |
| AKU 1 | 12 | >60 | 30.0 | 13 | 16.3 | 100 | 0 | |
| AKU 2 | 14 | >60 | 7.1 | 17 | 42.1 | 70.6 | 0 | |
| AKU 3 | 12 | >60 | 8.3 | 13 | 20.3 | 84.6 | 0 | |
| AKU 4 | 12 | >60 | 0 | 12 | 20.2 | 100 | 0 | |
| NGOU 2 | 3 | >60 | 0 | 3 | 30–45 | 66.7 | 0 | |
| UWI 2 | 12 | >60 | 16.7 | 13 | 31.3 | 76.9 | 0 | |
| TAKA 2 | 2 | >60 | 0 | 3 | 24.5 | 33.3 | 0 | |
| KIBU 1 | 17 | >60 | 55.6 | 18 | 18.2 | 100 | 0 | |
| An. gambiae s.s. | ICIPE1) | 26 | 38.1 | 100 | 20 | 17.0 | 100 | 0 |
| TAKA 1 | 25 | >60 | 8.0 | 28 | >60 | 84.6 | 100 | |
| KIBU 2 | 3 | >60 | 0 | 5 | >60 | 0 | 75 | |
| MFA 3 | 15 | >60 | 46.7 | 12 | >60 | 41.6 | 91.7 | |
| An. funestus s.s. | NYAND 6 | 2 | >60 | 0 | 2 | 15–20 | 100 | 0 |
| NYAR 3 | 11 | >60 | 30.0 | 11 | 28.3 | 54.5 | 0 | |
| NYAR 4 | 1 | >60 | 0 | 2 | >60 | 50.0 | 0 | |
| NYAR 10 | 4 | >60 | 0 | 5 | 36.7 | 100 | 0 | |
1)
Laboratory colony reared in ICIPE since the collection at Lwanda, Mbita in 2002,
2)
Collection site - House No.,
3)
NYAR, Nyaroya; NYAND, Nyandago; AKU, Akuot, TAKA, Takawiri; KIBU, Kibuogi; MFA, Mfangano,
4)
% of homozygous L1014S mutants.