Experiment | Control (no ribbons) | Untreated ribbons | Transfluthrin-treated eave ribbons | No. nights | Brief description | |||
---|---|---|---|---|---|---|---|---|
5% | 1.5% | 0.2% | 0.02% | |||||
Experiment 1 | Yes | n/a | n/a | n/a | n/a | n/a | 10 | Baseline control experiment to assess outdoor-biting risk (using human landing catch) and indoor-biting risk (using CDC light traps) |
Experiment 2.1 | Yes | Yes | n/a | n/a | n/a | n/a | 15 | Evaluating the physical barrier effect of the untreated eave ribbons (the ribbons here had no transfluthrin but were soaked in a mixture of detergent and water). Methods for assessing outdoor-biting and indoor-biting risk were same as in experiment 1 |
Experiment 2.2 | Yes | n/a | Yes | n/a | n/a | n/a | 15 | Evaluating protective efficacy of eave ribbons treated with different concentrations of transfluthrin, i.e. 5%, 1.5%, 0.2% and 0.02%. Methods for assessing outdoor-biting and indoor-biting risk were same as in experiment 1 |
Experiment 2.3 | Yes | n/a | n/a | Yes | n/a | n/a | 15 | |
Experiment 2.4 | Yes | n/a | n/a | n/a | Yes | n/a | 15 | |
Experiment 2.5 | Yes | n/a | n/a | n/a | n/a | Yes | 15 |