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蚕蛾怎么分辨雌
更新时间: 2021-01-03 04:48:40  

1、辨别方法如下:雌蛾体大,爬动慢,雄蛾体小,爬动较快,翅膀飞快地振动。

2、雄蛾身体较雌蛾小,触角具有较长的羽状小支。

3、雄蛾全身均密被白色鳞片,体长1.6-2.3厘米,翅展3.9-4.3厘米,头部较小。

4、雄蛾触角1对,羽毛状,基部粗,末端渐细,雌蛾的触角灰色,较短,雄者黑色,较雌者长。

5、雌蛾腹部肥硕,末端钝圆,雄者腹部狭窄,末端稍尖。

关键词: 怎么 分辨

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