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锈色粒肩天牛Apriona swainsoni Hope是我国重要绿化树种国槐Sophorajaponica的最严重的蛀干害虫,成虫期啃食国槐嫩枝补充营养。本研究用不同浓度灭幼脲处理的国槐枝条饲养锈色粒肩天牛成虫,结果表明,不同浓度的灭幼脲处理对该天牛雌、雄性成虫的取食量、产卵量的影响差异不显著,但对卵的孵化有显著的抑制作用,卵孵化抑制率最高可达76.32%。解剖发现浓度为0.20mg/g的灭幼脲能够干扰锈色粒肩天牛成虫内生殖系统的正常生长及发育,表现出一系列病变反应。
Apriona swainsoni Hope is one of the most serious pests of sophora Sophorajaponica, an important afforestation species in China. In this study, different concentrations of diflubenzuron treated Sophora japonica branches feeding the adults of Scirpus portularis, the results showed that the different concentrations of diflubenzuron treatment on the female and male adult calves fed on the amount of fecundity The difference was not significant, but significantly inhibited egg hatching, egg hatching inhibition rate up to 76.32%. Anatomical findings that diflubenzuron at a concentration of 0.20 mg / g interfered with the normal growth and development of the endogenous reproductive system of the adult Scirpus rustonas and showed a series of pathological responses.