Conclusion The Calyptratae fauna in Pangquangou Nature Reserve of Shanxi province was mostly palaearctic.

结论山西省庞泉沟自然保护区有瓣蝇类的区系特征是以古北界区系成分为主。

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Conclusion the Palaearctic composition is the main characteristic of the Tachinidae fauna in Songshan National Nature Reserve of Beijing. This fauna is enriched by the findings in this region.

结论北京松山保护区寄蝇科昆虫区系特征以古北界成分为主，丰富了该地区此类昆虫的区系组成。

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