危害园林树种黄檗及水曲柳的害虫——绿芫菁

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随着城镇园林绿化步伐加快,农民的经济林引进增多,黄檗、水曲柳的发展增加了农民收入,食叶害虫绿芫菁近几年对黄檗、水曲柳危害随之加剧,首次在朝阳凤凰山自然保护区发现危害水曲柳。发生严重大部分叶片被食光、树下虫粪成片。该虫在朝阳一年发生1代。该虫寄生植物有紫穗槐、苜蓿、黄檗、水曲柳,在朝阳危害后3种,严重时蚕食叶片只剩叶脉。
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