Also known as plant lice, aphids are tiny soft-bodied insects that suck the nutrient-rich SAP from the stems of plants.

蚜虫是一种很小的软体昆虫，以吸取植物枝干里的营养汁液为生，也被称为植物虱子。

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Any of various jumping plant lice of the family Psyllidae, especially of the genus Psylla, which includes several species that infest fruit trees.

木虱一种木虱科植物跳虱，尤指属于跳虱属的木虱，有不少品种是侵害果树的。

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