摘要
板栗(Castanea mollissima)是河北省的主要经济树种,近年来,受到板栗兴透翅蛾(Synanthedon castanevora Yang et Wang)的严重危害,造成栗实减产,甚至树木死亡。
Synanthedon castanevora Yang et Wang seriously infests chestnut trees by boring tree trunks. The average rate of affected trees reached 62.9 % in Qianxi County, Hebei province in 1986. There are five instars in the larvae stage and two generations a year in this area. It overwinters in the larvae stage. There are three kinds of larvae parasites, of which Apanteles sp. is the dominant one. Scraping scars on the tree trunks in early spring, on which the eggs are laid and using insecticides to kill the newly hatched larvae and adults are effective control measures.
出处
《林业科学研究》
CSCD
北大核心
1989年第4期381-387,共7页
Forest Research
关键词
板栗
兴透翅蛾
害虫
防治
Synanthedon castanevora
chestnut pest