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首页> 外文期刊>Zoological Science >Leptogenys khammouanensis sp nov (Hymenoptera : Formicidae). A possible troglobitic species of laos, with a discussion on cave ants
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Leptogenys khammouanensis sp nov (Hymenoptera : Formicidae). A possible troglobitic species of laos, with a discussion on cave ants

机译：Leptogenys khammouanensis sp nov（膜翅目：For科）。老挝可能是穴居人种，并讨论了穴居蚂蚁

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摘要

The new species Leptogenys khammouanensis sp. nov. is described from two caves of the Khammouan karst (Laos). It is characterized by a set of striking morphological characters (reduced eyes, light pigmentation, slender body and very elongated legs and antennae), which recall the troglobiomorphic traits of cave arthropods. Relations between caves and ants are discussed at this occasion, in the light of the recent biological explorations of caves in Southeast Asia. The classical view that ants are rare and unimportant in caves is challenged. Ants are actually major and regular components of guano assemblages in many caves of the region, but none of these guano species exhibit cave-related adaptation in its external morphology. Conversely, ants are very rare in low-resources habitats, where only accidental occurrence of outside species are reported in Southeast Asia. Leptogenys khammouanensis has been found only in such an oligotrophic environment, very deep in the cave and far from any guano deposits. Its presence there, together with its troglobiomorphic traits, support the idea that Leptogenys khammouanensis might be the first truly troglobitic ant.
机译：Leptogenys khammouanensis sp。的新种。十一月是从Khammouan喀斯特（老挝）的两个洞穴描述的。它的特征是具有惊人的形态特征（眼睛减少，色素沉着，身体苗条，腿和触角非常细长），使人想起了洞穴节肢动物的滋生生物特征。结合东南亚最近对洞穴的生物探索，这次讨论了洞穴和蚂蚁之间的关系。蚂蚁在洞穴中稀少而不重要的经典观点受到了挑战。蚂蚁实际上是该地区许多洞穴中鸟粪组合的主要和规则组成部分，但这些鸟粪物种均未在其外部形态上表现出与洞穴相关的适应性。相反，在资源匮乏的栖息地中，蚂蚁非常稀少，据报道，东南亚仅偶然出现外部物种。只有在这样的贫营养环境中才发现汉普兰脂溶体，它在洞穴中很深，并且远离鸟粪沉积物。它的存在，加上其滋生生物的特征，支持了Leptogenys khammouanensis可能是第一个真正的滋养蚂蚁的想法。

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