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五倍子是倍蚜寄生在盐肤木、红肤杨和青肤杨上所形成的各类虫瘿的总称。五倍子是寄主植物组织受蚜虫取食刺激后,细胞作异常增殖所形成的。开始在取食部位及其附近隆起,逐渐形成疣状物。随瘿内蚜虫数量的增加,虫瘿渐渐增大,到蚜虫结束瘿内生活时,虫瘿停止生长并爆裂。习惯上,将刚形成的虫瘿称为雏型倍瘿。待倍蚜瘿内世代
Galla chinensis is the general term for all kinds of insects that are formed by the phylloxera parasitic on the salt-skin wood, the red-skinned Yang and the Qingyang Yang. Galla is formed by the abnormal proliferation of the host plant tissue stimulated by feeding aphids. Initially in the feeding site and its vicinity bulge, and gradually form verrucous. With the increase of the number of aphids, the number of insects increased gradually. When the aphids ended their lives, the insects stopped growing and burst. Habitually, the newly formed worm is called a prototype double fold. Aphids to be times within a generation