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小菜蛾系菜蛾的别名,鳞翅目,菜蛾属。70年代来,成为十字花科蔬菜的主要害虫之一。从1979年起我区全面开展“卡桥”防治小菜蛾,取得了满意的效果。一、小菜蛾的繁殖特点 1978年在浙江农科院园艺所值保组帮助下,我们对小菜蛾进行了周年饲养。观察到:小菜蛾在我市一年可繁殖11～13代,温度适宜,半个月左右就可完成一个世代,而且卵
Plutella xylostella Alias, Lepidoptera, Plutella. One of the major pests of cruciferous vegetables since the 1970s. Since 1979, our district has carried out the “bridge” prevention and control of Plutella xylostella in an all-round way and achieved satisfactory results. First, the breeding characteristics of diamondback moths In 1978 in Zhejiang Academy of Agricultural Horticultural Value Insurance Group with the help of the diamondback moths were annual breeding. Observed: Plutella xylostella in the city a year can breed 11 to 13 generations, the temperature is suitable, about two weeks to complete a generation, and the eggs