梨小食心虫(Grapholitha molesta Busck)是我省苹果生产上的主要害虫。在盆地内及川东南、川西北苹、梨主产区均有不同程度发生,尤以蓬溪、南川、金堂等地为害严重。蓬溪县是我省一个青苹外贸基地,青苹在国际市场上早期上市,而且品质良好享有“一支独秀”的声誉,目前全县产量及内外销数量均居全省第一位。但由于这里气候适 Grapholitha molesta Busck is a major pest in apple production in our province. In the basin and southeastern Sichuan, Northwest Sichuan Ping, pear main producing areas have varying degrees of occurrence, especially in Pengxi, Nanchuan, Jintang and other places serious damage. As a greening foreign trade base in our province, Pengxi County was listed early on the international market and enjoys a good reputation of “one single show”. At present, the output of the entire county and the number of domestic and foreign sales rank first in the province. But because of the climate here