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一、主要害虫1、粘虫。鳞翅目,夜蛾科。别名粟夜盗虫、剃枝虫、行军虫。俗名五彩虫、麦蚕等。分布除新疆未见报道外,遍布全国各地。形态特征:老熟幼虫长36—40毫米,体色黄褐色到墨绿色。头部红褐色,头盖有网纹,额扁,头部有棕黑色“八”字纹。背中线白色较细,两边为黑细线,亚背线红褐色。危害状:3龄后咬食叶片成缺刻状,5—6龄达暴食期,很快将幼苗吃光,或将成株叶片吃光只剩叶脉,造成严重减产,甚至绝收。
First, the main pests 1, armyworms. Lepidoptera, Noctuidae. Alias millet night bug, shaving bug, marching insects. Common names of colorful insects, such as wheat. Distribution except Xinjiang has not been reported, all over the country. Morphological characteristics: mature larvae 36-40 mm, body color brown to dark green. Head reddish brown, covered with a netting, the amount of flat head brownish black “eight ” pattern. Dorsal midline white thin, black thin lines on both sides, sub-line reddish-brown. Dangerous state: After the 3rd instar ejaculation leaves into a nick shape, 5-6 years of damaging period, soon the seedlings eaten, or leaves of adult leaves only eaten veins, resulting in serious loss of production, or even absolute.