In free choice tests of host preference, adults exhibited significant preference for adzuki beans over mung beans, adzuki beans over black soybeans, and black soybeans over mung beans.

• 试验结果显示来自红、绿豆之四纹豆象，以不同寄主豆进行非自由选择产卵偏好试验时，其对各种寄主之接受度并无显著差异；