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%.
这些种类属4种
系成
,
东亚成
占优势,占总数的51.35%,东洋成
占25.51%,古北成
占18.45%,广布成
仅2.26%。