White-backed planthopper has the characterizes of early migrating, quick rising number and severe demage at earlier and middle stages of early season rice.

白背飞虱在早稻中有迁入早、虫口上升快、数量大 ，在水稻前、中期为害严重等特点。

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White-backed planthopper has the characterizes of early migrating, quick rising number and severe demage at earlier and middle stages of early season rice.

白背飞虱在早稻中有迁入早、虫口上升快、数量大 ，在水稻前、中期为害严重等特点。

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