摘要
本文系统研究了稻水象甲（ＬｉｓｏｒｈｏｐｔｒｕｓｏｒｙｚｏｐｈｉｌｕｓＫｕｓｃｈｅｌ）的生物学特性。描述各虫态和幼虫各龄的形态，报道了成虫取食的植物及幼虫的寄主。该害虫在辽宁东港市年发生一代，部分成虫产第二代卵并发育至二龄幼虫，但不能完成二代生活史。用阶段性饲养的方法得出了卵，一、二、三、四龄幼虫及茧蛹的历期分别为４～５，２、６、７～８、９～１０和９天。详细总结了成虫和幼虫的生活习性，报道了成虫滞育和发育时间，越冬习性和死亡率，在水稻田及稻田外的飞翔、潜水、取食、趋光等活动规律，卵巢发育进程及产卵习性；
It was systematic reports of biological properties of rice water weevil Lissorhoptrus oryzophilus in China. Morpological description of adult, egg, lavae (all instars), and pupae was given. Their host plant was confirmed. It occured 1 generation, a few adults produced the 2nd generation's eggs and developed into 2 instar, but could not finish the 2nd generation. Stadium of egg, 1st to 4th instar lavae, and cocoon pupae was 4～5, 2, 6, 7～8, 9～10 and 9 days respectively. The habits, especially overwinter and oviposition were included.
出处
《辽宁农业科学》
1997年第3期3-10,共8页
Liaoning Agricultural Sciences
