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种区系成分,其中东亚成分占优势,占总数的51.;35%25,东洋成分占25
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