. "Any process that stops, prevents, or reduces the frequency, rate or extent of the chemical reactions and pathways involving juvenile hormone." . . . . "negative regulation of juvenile hormone metabolic process" . "down regulation of juvenile hormone metabolic process" . "down-regulation of juvenile hormone metabolic process" . "downregulation of juvenile hormone metabolic process" . "inhibition of juvenile hormone metabolic process" . "negative regulation of juvenile hormone metabolism" . . . .