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1978年秋季,本县蒲美公社双溪口大队首次发现扁飞虱严重为害甘蔗。后在省农业局及蔗麻研究所的指导下进行了观察和防治,现介绍如下。一、形态特征扁飞虱(Eoeurysa flavocapitata Muir)属飞虱科(Delphacidae)。卵为香蕉形,产于叶片中脉处。若虫共5龄。成虫体小而窄长,体长4毫米,宽2毫米;头和前胸背板黄绿色;小盾板深黑色;前翅的前2/3为浅黑色,翅末端1/3处有一淡黄色横纹,翅端深黑色,
In the fall of 1978, Shuangxiou Port Brigade, the commune of Pomei County, was the first to find that planthopper seriously damaged sugarcane. After the provincial Bureau of Agriculture and Cane Institute under the guidance of the observation and prevention and control, are presented below. First, the morphological characteristics of planthopper (Eoeurysa flavocapitata Muir) is a planthopper (Delphacidae). The egg is banana-shaped and is produced at the midrib of the blade. A total of 5 nymphs. Adult body is small and narrow and long, body length 4 mm, width 2 mm; head and chest yellowish green; shield small black; forewing 2/3 for the light black, 1 / Stripes, wings black end,