| 
      Mean ± SEM followed by the same letter within rows are not significantly different (P<0.05, Friedman test [JMP 10]).
        | Concentration of antifungal agent (ppm) | 0 | 1000 | 1570 | 5000 | 10000 |  
        | Larvae choice on methyl paraben | 3.8 ± 0.43a | 3.3 ± 0.45a | 3.0 ± 0.32a | 2.7 ± 0.50ab | 1.2 ± 0.31b |  
        | Larvae choice on potassium sorbate | 3.2 ± 0.51ab | 3.8 ± 0.38a | 3.9 ± 0.39a | 2.8 ± 0.35ab | 1.6 ± 0.29b |  
        | Larvae choice on sodium propionate | 3.2 ± 0.40a | 2.8 ± 0.30a | 2.2 ± 0.37a | 2.5 ± 0.37a | 2.2 ± 0.37a |  |