Table 2. The mean value and the average percentage of dead worker bees A. mellifera (n = 10 individuals) and mites (n = 5 individuals), for five essential oil treatments with a concentration of 15% administered by saturated filter paper, at 48 hours.
| Treatments | Mean no. dead bees/10 worker | Mortality (%) | Mean no. dead mites/5 mites | Mortality (%) |
|---|---|---|---|---|
| Basil oil | 1.6 a | 16% | 3.0 a | 69% |
| Mustard oil | 1.2 a | 12% | 3.2 a | 64% |
| Bitter melon oil | 1.0 a | 10% | 4.0 b | 80% |
| Garlic oil | 0.6 a | 6% | 3.6 ab | 72% |
| Thyme oil | 0.6 a | 6% | 3.8 b | 78% |
| Control | 1.0 a | 10% | 0.6 c | 12% |
Means in each column followed by different letter(s) are significantly different.