Table. 1 Mean final percent mortality of Anopheles arabiensis following 30 min contact bioassay with K-Othrine® Polyzone (KOPZ) and Actellic® 300 CS (ACS) applied on four different wall surfaces under semi-field conditions
Surface | Percent mortality* by week | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Insecticide | 0 | 2 | 4 | 6 | 8 | 10 | 14 | 18 | 20 | 22 | 28 | 32 | 35 | 38 | ||
Painted cement | KOPZ | 97.5 | 90 | 90 | 100 | 100 | 95 | 100 | 85 | 22.5 | 35 | 80 | 47.5 | 15 | 10 | |
Cement | KOPZ | 100 | 97.5 | 97.5 | 100 | 100 | 85 | 100 | 80 | 25 | 60 | 75 | 20 | 22.3 | 22.5 | |
Unbaked clay | KOPZ | 67.5 | 92 | 57.1 | 85 | 87.5 | 100 | 85 | 65 | 17.5 | 17.5 | 17.5 | 85 | 27.5 | 30.3 | |
Baked clay | KOPZ | 85 | 97.3 | 69.4 | 65 | 95 | 90 | 100 | 50 | 22.5 | 35 | 37.5 | 100 | 22.5 | 36.6 | |
Painted cement | ACS | 100 | 92.5 | 67.5 | 100 | 100 | 80 | 97.5 | 77.5 | 47.5 | 30 | 70 | 10 | 5 | 2 | |
Cement | ACS | 97.5 | 45 | 42.5 | 97.5 | 90 | 35 | 100 | 80 | 55 | 60 | 80 | 27.5 | 8.9 | 40 | |
Unbaked clay | ACS | 37.5 | 51.8 | 49.1 | 55 | 97.5 | 100 | 90 | 50 | 10 | 52.5 | 35 | 57.5 | 20 | 35.7 | |
Baked clay | ACS | 87.5 | 97.3 | 61.1 | 62.5 | 72.5 | 62.5 | 95 | 72.5 | 40 | 57.5 | 75 | 100 | 40 | 15 | |
Mean Temp (°C) | 20.2 | 20.3 | 19.2 | 21.3 | 23.5 | 23.5 | 26.5 | 24.8 | 24 | 24.6 | 23.9 | 23.1 | 23.7 | 24.5 | ||
Mean % Humidity | 50.3 | 49.5 | 43.5 | 42.8 | 48.3 | 41.8 | 42 | 70.3 | 74.5 | 71.8 | 82 | 84.3 | 82.3 | 74.3 | ||