Effects of acaricides on the protein (A), carbohydrate (B) and lipid (C) concentration (μg/μL) in the hemolymph during adult maturation of worker honeybees Apis mellifera intermissa. Data are expressed as means ± SE (n = 12–18). For each age group, different letters above bars indicate significant differences at P < 0.05 (ANOVA followed by a post-hoc Tukey test).