荞麦钩蛾(Spica parallebangula Alpheraky)是荞麦的主要害虫。据资料报道国内四川、贵州、云南、宁夏、广西等省区都有分布。我县从1980年大发生以来,年均发生面积5万亩左右,占荞麦总面积的45％。一般产量损失5～10％;严重的造成产量减半,甚至无收。笔者通过1983～1984年两年对该虫的初步观察,将结果整理如下。 Spica parallebangula Alpheraky is the major pest of buckwheat. According to the information reported in Sichuan, Guizhou, Yunnan, Ningxia, Guangxi and other provinces have distribution. Since the occurrence of the county in 1980, the average annual area of ​​about 50,000 acres, accounting for 45% of the total area of ​​buckwheat. General production loss of 5 to 10%; a serious result in halving the output, or even no income. The author passed the preliminary observation of the pest from 1983 to 1984 for two years and arranged the results as follows.