highly significantP < 0.001
However, the discriminant analysis, revealed a highly significant effect of treatments on the CHC profiles of bees (Wilks’λ = 0.33, F 33,201 = 2.8, P < 0.001; Fig 3 ) and it was possible to correctly assign 71.4 to 80% of the bees from the different groups based on their chemical profiles ( Table 2 ).