浙江朴盾木虱的生物学特性及其防治

Biology and Control of Celtisaspis zhejiangana Yang et Li

浙江朴盾木虱是危害朴树的重要害虫。文中对该虫的形态特征、生物学特性和防治措施进行了研究。该虫在青岛一年发生二代，以卵越冬；一代若虫为害朴叶引起长角状虫瘿，严重影响树势发育，极碍市容景观。防治试验表明：用５０％久效磷、４０％氧化乐果、５０％磷胺等内吸杀虫乳油，杀虫效果可达９２８％～１００％；用５０％马拉硫磷、４０％敌敌畏、５０％辛硫磷等乳油触杀，效果可达９５９％～１００％。文中还叙述了其他综合治理措施及１３种天敌。

Celtisaspis zhejiangana Yang et Li is an important pest among damage Celtis sinersis Pers pests It has two generations each year, and overwinters with egg and activity period is from last April to mean October in Qingdao, Shandong province The first generation nymph simulate the surface of leaf and also grow the cape shaped galls, significantly influence Celtis sinersis Pers development The authors carried out the field trials, the results indicated that controlling effects were about 92 8%～100% with pesticide to control nymphs in batch period or with systemic insecticide to treat the egg branch in nearly hatch period Other controlling methods as well as 13 kinds of natural enemy were also given