麦茎叶Apophylia thalassinaFalde rmann 是宁夏固原地区危害小麦、大麦、莜麦的地下害虫。幼虫危害小麦、大麦、莜麦、燕麦地下茎,从地下茎基部钻入茎内蛀食嫩心,造成枯心苗(图1)。宁夏固原地区从1962年以后逐年严重,一些县、社的损失远远超过了其它地下害虫所造成的损失。西吉县1963年调查,麦茎叶幼虫造成的小麦、莜麦枯心率分别为22.2％、23.9％。1982年马莲公社1万亩小麦枯心率 Appylophyllum thalassinaFalde rmann is the underground pest that harm the wheat, barley and oats in the Guyuan area of ​​Ningxia. Larvae endanger wheat, barley, oats, oats underground stems, stems from the roots of stems into the stem of the tender eaten, resulting in dead heart seedlings (Figure 1). The Guyuan area in Ningxia has become serious year after year since 1962, and the losses of some counties and communities far outweigh the losses caused by other underground pests. Xiji County, 1963 survey, wheat stems and leaves caused by larvae wheat, wheat heart rate were 22.2%, 23.9%. 1982 Malian commune 1 million mu of wheat heart rate