Publications for:

pest = Popillia japonica
crop = Prunus (genus - other than fruit trees)

found 2 publications:

Susceptibility of purple-versus greenleaved cultivars of woody landscape plants to the Japanese beetle
HortScience (2002) 37 (2), 362-366
pestinfo wiki

Natural pest resistance of Prunus taxa to feeding by adult Japanese beetles: Role of endogenous allelochemicals in host plant resistance
Journal of the American Society for Horticultural Science (1997) 122 (5), 668-672
pestinfo wiki