求翻译：以成、若虫刺吸叶、根的汁液，分叶瘿型和根瘤型两种。欧洲系统葡萄上只有根瘤型，美洲系统葡萄上两种都有。 　　叶瘿型：被害叶向叶背凸起成囊状，虫在瘿内吸食，繁殖，重者叶片畸形萎缩，生育不良甚至枯死。 　　根瘤型：粗根被害形成瘿瘤，后瘿瘤变褐腐烂，皮层开裂，须根被害形成菱角形根瘤。是什么意思？

Into nymphs sucking sap of leaves, roots, leaf gall and nodule-two. European system grapes only nodule type, and have both the inter-American system grapes. Leaf gall type: victim leaves the dorsal protruding into the cystic worm in gall smoke, reproduction severe cases, leaf malformation atrophy, r

If you bug to puncture, the leaf, root, leaf juice gall midge and 根瘤 versions. On the European system only 根瘤 grape-vine, and the Inter-American System on two. leaf gall midge: leaf to leaf back killing and became a pest of the gall midge, smoking, breeding, and leaves to shrink, and birth defects o

Becomes, the nymphae thorn attracts the leaf, the root juice, divides Ye Yingxing and the nodule two kinds.On the European system grape only then the nodule, on the Americas system grape two kinds both have. 　　Ye Yingxing: Is killed the leaf to become saccate to the blade babbitting bulge, the insec

And the nymph stick vacuum leaf, root juice and leaf gall and nodule types in two ways. 　　European systems only root nodules in the grapes, grapes both on the American system. 　　Leaf gall: victims of leaf to the back raised vesicular, smoking in the insect in gall, propagation, atrophy of leaf malfo

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