云南丽江油橄榄介壳虫调查及防治试验

介壳虫危害影响丽江地区油橄榄引种产业的发展。2015年进行了丽江地区油橄榄介壳虫的调查及防治试验。结果表明，存在两种危害油橄榄的介壳虫，分别是油橄榄片盾蚧和矢尖盾蚧；不同品系油橄榄危害介壳虫种类与成虫和若虫种群数量有显著的差别。应用两种市场化学药剂不同剂量对两种介壳虫防治试验均显示有较强的杀虫效果，其中对若虫防治效果强于成虫，两次连续用药显著提高防治效果。

Survey and control experiments of Scale Insects on introduced olive varieties in Lijiang

The serious occurrence of scale insects affect the introduced olive trre growth and production. Survey and control experiments of the pests were conducted in Lijiang in 2015. There are two species of scale insects in Lijiang olive introduced region, Parlatoria oleae (Colvee)and Unaspis yanonensis Kuwana. And there are clearly different species and adult and nymph composition and population density among olive varieties. Two kinds of scale pesticides on market were applied to control. The results shows all were effective with various dosage levels but better on nymph than on adults. Twice pesticide spray will highly improved the control.effective.