Among them East Asian element predominated over the other elements, making up 51.35 percent of the total species ,then Oriental element occupying 25.51%, Palaearctic 18.45% and Eurytopic only 2.26%.
这些种类主要归属4种区系,其中东亚
占优势,占总数
51.35%,东洋
占25.51%,古北
占18.45%,广布
仅2.26%。