淮南市白蜡虫发生规律及防治方法

The Ouurrence Rule and Control Method of Bricerus Pela

研究了白蜡虫在淮南市的发生规律。白蜡虫一年发生一代，寄主单一，在淮南市只危害大叶女贞和小叶女贞，以受精雌成虫在寄主枝条上越冬，次年４月上中旬产卵，５月下旬至６月上旬孵化，以后便在枝条上固定为害，成虫雌雄异形。夏秋季二、三年生的枝条上裹着厚厚的白蜡，树势衰弱，甚至死亡。可通过修剪和化防等防治。

The Occurrence rule of Briecrus Pela in Huainan City was studied. Briecrus Pela multiplied one generation each year and only parasitized glossy privet.Gamic female insects were wintering on main branches of the tree,and laid their eggs in next April.The eggs were hatched from the last ten days of May to the first ten days of June,and the insects were different.Two and three year old branches were packaged by white wax because of the insects' damage,which will make the tree growth bad and be dying.The method of tree pruning and chamics use can protect the trees when the insects damage happened.