摘要
锈斑楔天牛是危害杨树的主要害虫之一。利用管氏肿腿蜂对锈斑楔天牛进行了防治,结果表明:6月上旬,每天9~11时和15~17时放蜂效果最好;放蜂量按虫与蜂比例为1:2为宜。
Saperda balsamifera Motschulsky is one of serious pests feeding on stems and branches of poplar.The enemy Scleroderma guani was introduced to control Saperda balsamifera Motschulsky.The Result showed that in June,the favorite effect could be achieved by letting Scleroderma guani out of containers in forest during the periods 9:00～11:00 and 15:00～17:00.The proper ratio of pest to enemy was 1:2.
出处
《陕西林业科技》
2009年第2期89-91,共3页
Shaanxi Forest Science and Technology
关键词
管氏肿腿蜂
防治
锈斑楔天牛
Scleroderma guani
control
Saperda balsamifera Motschulsky
