稻水象甲的发生及防治

• 作 者: 王志学 王洪方 王淑艳
• 机 构: 蛟河市农技站,
• 出 处: 农村科学实验
• 发表日期: 2002年06期
• 关键词: 稻水象甲 成虫体 端生 形态特征 灰褐 象甲科 水稻田 叶鞘 寄主 幼虫

一、形态特征稻水象甲属鞘翘目象甲科。成虫体长3毫米左右,体壁黑色,有灰绿色鳞片,喙短且端生刚毛。卵白色呈珍珠状,多生于水面下的叶鞘组织中。幼虫白色,无足,头部褐色,共四龄。蛹居于土茧中,土茧灰褐色,近椭圆形,粘附于根上。蛹白色,复眼红褐色,形似成虫。二、生活习性稻水象甲以成虫在水稻田附近的草坡地、林地和稻田等土表下或寄主越冬,以山草坡地和林地为

First, the morphological characteristics of rice water chestnut askew head as a branch. Adult body length of about 3 mm, body wall black, gray-green scales, short beak and end capitals. Egg white pearls, more than born in the surface of the leaf sheath tissue. Larvae white, lack of head brown, a total of four age. Parasites living in soil cocoon, soil brown, nearly oval, adhered to the roots. Pupa white, complex eyes reddish brown, shaped like an adult. Second, the habits Habitat rice water beetle to adults in the paddy fields near the grassy slopes, woodlands and paddy fields such as soil or the host of winter, with mountain grassland and woodland as