白榆(Ulmus Pumila L.)又称家榆,是我国特别是东北、华北和淮北广大平原区绿化、用材、防护林以及盐碱地造林的主要树种。但由于榆紫叶甲的猖獗危害,迄今吉林省西部榆树人工林已残留无几,随着 Ulmus Pumila L., also known as the elm, is a major tree species afforestation in China, especially in the plains of the northeast, north China and Huaibei plains, timber, timber, shelterbelts and saline-alkali lands. However, due to the rampant harm of Ulmus lactea, to date, elm tree plantations in western Jilin Province have remained very few,