図1 ブタクサハムシの摂食刺激物質
   1:β-amyrin acetate(β-AA),2:α-amyrin acetate(α-AA),
   3:5-caffeoylquinic acid(chlorogenic acid)(5-CQA),
   4:3, 5-dicaffeoylquinic acid(3, 5-DCQA)