Most of them belong to Palaearctic species,accounts for(53.84) percent. The other belong to Palaearctic-oriental realm,accounts for(35.38) percent. And the rest of them belong to Oriental realm and widespread species,accounts for(5.77) and(4.81) percent.

• 该地区大多数为古北区种类；占全部种类的53.；84%25；东洋古北共有种占全部种类的35