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黑稻秆蝇又名稻黑水蝇,双翅目水蝇科,是我区近年为害水稻的一种重要害虫。1973、1976年都有发生,但没有引起人们的注意。随着栽培制度的改革、红花留种田和油菜田面积的扩大、水肥条件的改善,为害逐年加重。如1981年公安县早稻发生3万多亩,1982年扩展到10万多亩,并相继危害中稻、双季晚稻,造成白叶、花叶、孔洞叶,影响了水稻产量。为此我们对黑稻秆蝇进行了系统观察,并摸索了防治经验。
Black rice stalk flies, also known as black flies, diptera water flies family, is our region in recent years an important pest damage rice. It happened in 1973 and 1976, but did not attract people’s attention. With the reform of cultivation system, safflower stay farming and rape fields to expand the area, the improvement of water and fertilizer conditions, pests increased year by year. For example, in 1981, 30,000 mu of early rice occurred in Gong’an County and more than 100,000 mu in 1982, and it successively endangered middle rice and double-season late rice, causing white leaves, mosaic leaves and holes and affecting the yield of rice. To this end, we conducted a systematic observation of black rice stalk flies and explored the prevention and treatment experience.