regulates PSII associated light-harvesting complex II catabolic process regulation of PSII associated light-harvesting complex II catabolic process Any process that modulates the chemical reactions and pathways resulting in the breakdown of one or more components of the light-harvesting complex of photosystem II. regulation of LHCII catabolism GO:0010550 regulation of LHCII degradation biological_process regulation of protein catabolic process biological regulation