松扁叶蜂的危害与防治

On the damage and control of Acantholyda posticalis posticalis Matsumura

河南省于１９８１年在三门峡市首次发现松扁叶蜂Ａｃａｎｔｈｏｌｙｄａｐｏｓｔｉｃａｌｉｓｐｏｓｔｉ－ｃａｌｉｓＭａｔｓｕｍｕｒａ，１９８３年后迅速蔓延成灾，危害油松。作者详细调查了松扁叶蜂在东湾林场的危害情况、幼虫的分布特点及其食量，并根据种群数量变动规律进行预测预报。通过科学营林，保护和利用天敌，适时进行化学防治能有效控制松扁叶蜂的危害。

Acantholyda posticalis posticalis Matsumura was first found in Henan Province in 1981 and spread quickly after 1983.The damage,distribution and eating capacity of larvae are investigated in Dongwan forest farm.The occurrence amount is forecasted according to the variation of population.Foresting scientificly,protecting and making good use of natural enemies and applying chemicals at the right time can effectively control the damage of the pest.