Fig. 2. Relative viral loads per bumble bee colony (x-axes) for the most prevalent viruses present at a) the beginning of the experiment, and b) the end of the experiment. DWV-A: Deformed wing virus A, DWV-B: Deformed wing virus B, BQCV: Black queen cell virus, LSV: Lake Sinai virus, ARV-1: Apis Rhabdovirus-1, BcDV: Bombus Cryptarum densovirus, CBV: Castleton Burn virus, MV 1: Mayfield virus 1, DuBV: Duke bunyavirus.