Red raspberry, Rubus idaeus, is known to be infested by at least six species of eriophyid mites. Among them, the raspberry leaf and bud mite, Phyllocoptes gracilis, (Figure 1, A–B) only vector a virus, namely blotch virus (RLBV) (Dong et al. 2016; McGavin 2012; Tan 2022). Raspberry C), disorder displaying as chlorosis, distortion patchy necrosis, yellowing thinning on lateral branches, has been...