上海地区重阳木斑蛾生物学特性及防治技术初探

重阳木(Bischofia polycarpa)是上海地区生态林的重要树种之一。近二年重阳木斑蛾(Histia rhodope Cramer)对生态林重阳木的危害逐年加重。经观察,该虫在本地区1年发生4代,越冬代成虫4月中旬开始羽化,各代幼虫为害期分别为4月下旬至6月中旬、6月中旬至7月下旬、7月下旬至8月下旬、9月上旬至10月中旬,全年以第3、4代危害最重。药效试验表明,苦·烟、灭幼脲3号、阿维菌素、杀灭菊酯、毒死蜱等药剂对重阳木斑蛾1～3龄幼虫有良好的防治效果。

Bionomics and control techniques of Histia rhodope in Shanghai

Bischofia polycarpa is one important tree species of ecological forest in Shanghai.For two years,Histia rhodope Cramer has endangered Bischofia polycarpa of ecological forest year by year.After our observation,the pest Histia rhodope Cramer produces four generations per year in the region,overwintering imago begins with eclosion in middle of April.Damage periods of each generation of larva are respectively in late April to mid-June,mid-June to late July,late July to late August and early September to mid-Oc...