葡萄斑叶蝉的生物学特性及防治

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％。

Bionomics of grape leafhoper and its control

The grape lefhoper, Erythroneura apicalis NaWa, as one of the important pest in vineyard, has threegenerations per year in western Henan Province and overwinters as adults under fallen leaves and weeds. The serious injury period of the pest were the last ten-days in July and the first ten-days in Augrst. The control methods were as follows: (1)ruins the leaves with nymph on them; (2)sprays insecticides such as fenvalerate andphoxim which control effects were about 90%; (3)ruins fallen leaves in late autumn.