A DISCUSSION ON THE LINE OF DEMARCATION OF THE PALEARCTIC AND ORIENTAL REGIONS EAST OF CHINLING BASED ON THE KNOWLEDGE OF THE DISTRIBUTION OF SOME AGRICULTURAL INSECTS
A DISCUSSION ON THE LINE OF DEMARCATION OF THE PALEARCTIC AND ORIENTAL REGIONS EAST OF CHINLING BASED ON THE KNOWLEDGE OF THE DISTRIBUTION OF SOME AGRICULTURAL INSECTS
从某些农业昆虫的分布来讨论古北、东洋两地区在我国秦岭以东的分界线问题