Quaternary glacial period, the area south of the Luoxiao and Nanling thermophilic organisms shelter, some northern insects in the glaciers expelled under the southward migration to Luoxiao and South of Nanling. After the end of the Ice Age, parts of the plant again the northern migration, while the

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Quaternary period glacier period, south of the Luoxiao arteries and Nanling's area becomes the thermophilic biology the refuge shelter, some north insect migrates under the glacier action of driving away to the

During the Quaternary glacier, Mount luoxiao and South of nanling region become a haven for thermophilic organism, some insects in the North under the glacier drive migration to South of Mount luoxiao and South of nanling. After the end of the ice age, some biological and migrated to the North, whil