Micraspis discolor and Harmonia axyridis all clustered with other aphidophagous coccinellids.This indicated that the change of diet of these coccinellids is just a temporary dietary shift.

• 稻红瓢虫和异色瓢虫与其它的食蚜类瓢虫聚在一起，显示它们食性的改变为食性的暂时转移。