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
Mean ± SEM followed by the same letter within rows are not significantly different (P<0.05, Friedman test [JMP 10]).
Table 5: Number of H. virescens larvae fed on diet cylinders containing different concentrations of antifungal agents.