韧皮部及其邻近组织是大多数蚜虫的主要取食部位。

Phloem elements and adjacent tissues are the principal feeding sites for most aphids.

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从取食方式和取食部位来看，以为害茶树嫩梢和叶片的食叶性害虫和吸汁性害虫为主，共达240种，占全部种类的79.47%。

If it is classified with the damaged position on tea plant, the species of pests damaging the shoots and leaves of tea plant are the most, amounting to 240 species, as 79.47% of the total.

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一旦口针进入韧皮部持续吸食阶段，蚜虫在三个部位的取食行为没有太大的差异。

And no significant differences were found in feeding behaviors among aphids on three plant parts once sustained ingestion started in the phloem.

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