新热带界
- 网络Neotropical realm;Neotropical;neotropic ecozone
新热带界-
与新北界、新热带界和古北界的关系最为疏远。可见西双版纳的蚂蚁区系具有典型的热带亚洲起源特征，同时与澳洲和非洲的热带区系有一定的渊源关系。
It is obvious that the ant fauna of Xishuangbanna has a typical character of Asia Tropics origin , meantime it has certain origin relationship with Australia Tropics and Africa Tropics .
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尽管如此，文献认为新热带界美洲狮体型较小只是反映了在进化过程中偏于利用较小猎物的事实，而与美洲虎的竞争无关。
Despite these relationships , the scientific literature suggests that smaller puma in the Neotropics may simply reflect the fact that they have evolved to concentrate on smaller prey species regardless of competition with jaguar .