The results suggested that the taxonomic positions of the YLS are in the class Pyrenomycetes in the subphylum Ascomycotina and the YLS have the closest relationship with H. chrysospermus.

• 结果表明，灰飞虱的YLS属于子囊菌亚门Pyrenomycetes纲，与此纲的H.；chrysospermus亲缘关系最近。