【作者】 黄邦侃； 李平；

【Author】 Huang Bangkan Li Ping (Department of Plant Protection,Fujian Agricultural College)

【机构】 福建农学院植物保护系； 福建省农业科学院植物保护研究所；

【摘要】 1982年在福建邵武柑桔园里,一种禾本科植物上发现黑方突毛瓢虫,捕食一种绵蚜,也可捕食甘蔗绵蚜和桔蚜.据9～10月份观察,瓢虫卵期、幼虫期、预蛹期和蛹期分别为5～9天、13～19天、1.5天和7～8天,成虫寿命约1～2月。第三龄幼虫捕食量最大,可捕食180头蚜虫,日可捕食24头.成虫一生可捕食600头蚜虫。在甘蔗园中释放瓢虫,可建立种群,控制甘蔗绵蚜的为害.更多还原

【Abstract】 The present paper deals with observation on the habits and characteristics of Pseudoscymnus kurohime(Miyatake).The lady beetle was first found in a citrus orchard in Shaowu county,Fujian in 1982,preying on a wooly aphid on a species of grass family in the orchard,sugarcane wooly aphis,Ceratovacuna lanigera Zehntner and small amount of citrus aphids.Our investigation showed that in September and October,the durations of egg, larva,prepupa and pupa of the lady beetle were 5-9,13-19,1.5 and 7-8 days respectively, and the life-span of the adult beetle was about one to two monthes.Maximum amount of prey feeded by the larva was in last instar,being about 180 aphids,and feeding 24 daily. The adult beetle could feed about 600 aphids in its whole life.Population of the insect was found established in sugarcane fields after releasing the beetle into them,then got control of the infestication of Ceratovacuna lanigera.更多还原