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黑绒金龟〔Maladeta orientalis(Motschulsky)〕,又名东方金龟,天鹅绒金龟。俗名黑豆,黑老婆。属鞘翅目,金龟(虫甲)科。全国普遍发生。我市在武清、静海、宝坻、蓟县沙壤土和壤土地带均有分布。寄主植物有苹果、梨、葡萄、桃、李、山楂、柿、草莓等。早春常群集为害果木的嫩芽和新叶,致使当年果木生长受到影响,亦是造成早春作物缺苗断垅的原因之一。一、形态特征及发生规律成虫:体长8~10毫米,呈卵圆形,体
Maladeta orientalis (Motschulsky)〕, also known as the East golden turtle, velvet turtle . Common name of black beans , black wife. Is a Coleoptera, beetle (insect) Branch. Common occurs throughout the country. City in Wuqing, Jinghai, Baodi, Jixian sandy loam and loam areas are distributed. Host plants are apples, pears, grapes, peaches, plums, hawthorn, persimmon, strawberries and so on. Early spring cluster of harmful fruits and trees tend to shoot the new leaves, resulting in the affected fruit growth that year, is also caused by lack of seedlings in early spring break one of the reasons. First, the morphological characteristics and occurrence of adult adults: body length 8 ~ 10 mm, oval, body