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葡萄斑叶蝉在豫西各地每年发生3代,以成虫在落叶下、杂草丛等越冬。发生盛期在7月下旬及8月上旬。可采用以下方法防治:秋末清扫落叶并销毁;成虫产卵盛期人工摘虫叶;喷洒20%杀灭菊酯3000倍稀释液或50%辛硫磷2000倍稀释液,杀虫效果可达90%。
Grape leafhopper occurred in West Henan throughout the three generations each year to adults in the leaves, weeds and other overwintering. The peak occurs in late July and early August. The following methods can be used to prevent and control: the late autumn sweeping leaves and destroyed; adult spawning period of artificial insects leaves; spray 20% fenvalerate 3000 times diluted or 50% phoxim 2000 times diluted insecticidal effect of up to 90 %.