Queried GO terms:

  idGO:0043476   Detailed information
  namepigment accumulation
  namespacebiological_process
  def"The aggregation of coloring matter in a particular location in an organism, tissue or cell, occurring in response to some external stimulus." [GOC:jl]
  synonym"pigment accumulation in response to external stimulus" EXACT []
  is_aGO:0009605 ! response to external stimulus
  is_aGO:0043473 ! pigmentation

No monarch genes has this GO term.