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褐稻虱Nilaparvata lugens Stal(=N.oryzaeMatsumura)又名褐飞虱,属同翅目、飞虱科,农民一般称火蠓虫,为本省十大病虫害消灭对象之一。以往仅局部地区的中稻常严重受害,近几年来由于本省水稻改制,大面积发展双季稻,在早稻孕穗至抽穗灌浆期,稻飞虱(以褐稻虱为主)常大发生,群集禾丛下部为害,使成片的稻株倒伏烂掉,甚至有全部失收的后果。如1957年7月上、中旬,郴县专区大面积严重发生稻飞虱(褐稻虱占89％)达563,958亩,主要为害早
Nilaparvata lugens Stal (= N. oryzae Matsumura), also known as brown planthopper, Homoptera, Planthopper, farmers commonly known as fire insects, as one of the top ten pests and diseases eliminated by the province. In the past, only a few areas of China often suffered severe damage to mid-season rice. In recent years, rice planthoppers (mainly brown planthopper) often occur due to rice reform in the province and double-cropping rice in a large area. In early brisk booting to heading stage, Lesser plexus damage, so that pieces of rice lodging rotted down, and even lost all the consequences. For example, in mid-and early 1957 July, a total of 563,958 mu of planthoppers (89% of brown planthopper) were seriously affected in a large area in Chen County,