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%.

这种类主要归属4种区系，其东亚占优势，占总数的51.35%，东占25.51%，古北占18.45%，广布仅2.26%。