玉米象别名米牛、铁嘴。我国及世界各地均有分布。玉米象成虫:体长2.9~4.2毫米。体暗褐色,鞘翅常有4个橙红色椭圆形斑。喙长,除端部外,密被细刻点。触角位于喙基部之前,柄节长,索节6节,触角棒节间缝不明显。前胸背板前端缩窄,后端约等于鞘翅之宽,背面刻点圆形,沿中线刻点多于20个。鞘翅行间窄于行纹刻点。前胸和鞘翅刻点上均有一短鳞毛。后翅发达,能飞。雄虫阳茎背面有两纵沟,雌虫“Y”字形骨片两臂较尖。
玉米象鼻虫 cornweevil ; corn weevil
米糠油对小麦中玉米象 Sitophihus Zeamais
以玉米象 Sitophilus zeamais Motschusky
玉米气象 meteotology of maize
南方玉米长喙象 sphenophorus callosus
The corrected mortality after 14 d and the inhibition rate to next progeny of Sitophilus zeamais M. were 56.67% and 76.86%.
研制出25%ACG提取物乳油,室内生测表明,对玉米象14d后的校正死亡率为56.67%,45d后种群抑制率为76.86%。
参考来源 - ACG和AFG植物源杀虫剂的研制In this paper, the toxicities and contact mechanism of 1, 2-linoleic acid-3-stearic acid-triglyceride against Stiophilus zeamais was preliminary studied.
本文初步研究了1,2-二亚油酸-3-硬脂酸-甘油三酯对玉米象的触杀活性及其作用机理。
参考来源 - 1,2·2,447,543篇论文数据,部分数据来源于NoteExpress
害虫感染也易发生, 主要感染的害虫有米象和玉米象等。
Pest infestation also easily occurs, mainly rice weevil and corn weevil , etc.
将苦皮藤素制成微粉剂1、2和3 ,将它们混入大米和小麦中,能有效控制玉米象的危。
Micro granule 1,2 and 3 were made of celangulin, to mix different kinds of micro granule with rice or wheat, Sitophitus zeamais Motschulsky could be controlled.
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