双斑萤叶甲成虫的取食选择性研究

为综合治理双斑萤叶甲的危害,拓展新的防治途径,对双斑萤叶甲成虫的取食选择性进行研究。试验中,采用四臂嗅觉仪测定和田间试验方法研究,结果表明,在6个玉米品种中,双斑萤叶甲成虫对垦粘1号的选择性强,对庆单4和四单19的选择性弱,在供试的2种植物中,对紫花苜蓿的选择性强。总体表现为双斑萤叶甲成虫对紫花苜蓿的选择性强,垦粘1号次之,庆单4和四单19弱。

Studies on Selective Feeding of Adults of Monolepta hieroglyphica

The feeding selectivity of adults of Monolepta hieroglyphica （Motschulsky） is studied to comprehensive management, and to explore new ways of prevention and treatment of Monolepta hieroglyphica （Motschulsky）.Through the determination our-arm olfactometer and field investigation,and the result show that,the selectivity of Ken sticky 1 to Monolepta hieroglyphica （Motschulsky） was the strongest and the Qing single 4 and four single 19 was the weakest in the six corn varieties,and Medicago sativa L was stronger in the two other plant.On the whole,Medicago sativa L was strongest.one in the selectivity to Monolepta hieroglyphica （Motschulsky）, followed by Ken sticky 1.