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，其东亚优势，总数的51.35%，东洋25.51%，古北18.45%，广布仅2.26%。