Three来自巴西洞穴甲虫热点的新穴居Coarazuphium(鞘翅目,甲虫科,甲虫科)物种:探索洞穴的环境属性如何驱动地面甲虫的生态位

IF 1.3 3区 生物学 Q2 ZOOLOGY
T. G. Pellegrini, R. Ferreira, R. Zampaulo, L. Vieira
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引用次数: 2

摘要

从巴西Flona de Carajás的铁矿石洞穴中收集的标本中描述了三种新的Coarazuphium属的穴居甲虫,使Carajás地区已知物种的数量增加了一倍。Coarazuphium的新种与来自同一地区的已描述种形态相似,分布在较小的地理范围内。在该地区所有的冠藻属物种中,包括新种在内,有两种特别突出,即C. spinifemur和C. xingusp。11 .,这是最小的Coarazuphium种。这两个物种的腿和触角都比其他物种短。主要特征是:11月和C. kayaposp。与Carajás地区的另外两个物种(C. tapiaguassu和C. amazonicum)相比,新种在头部背面有更多的毛刺。随着这三种新物种加入到已经描述的六种同族物种中,Carajás地区的密集采矿区域包括巴西强制性穴居甲虫的最高多样性,代表了洞穴甲虫的热点。Coarazuphium xikrinsp。11 .和C. amazonicum共同出现在Carajás地区的一些洞穴中,这可能是由于物种之间假定的生态位分化。这些发现突出了维持法律规定的重要性,以确保洞穴的保护,特别是那些与物理和生物方面最相关的法律规定,这对保护巴西地下生物多样性至关重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Three new troglobitic Coarazuphium (Coleoptera, Carabidae, Zuphiini) species from a Brazilian hotspot of cave beetles: exploring how the environmental attributes of caves drive ground-beetle niches
Three new species of troglobitic beetles of the genus Coarazuphium are described from specimens collected in iron ore caves in the Flona de Carajás in Brazil, doubling the number of known species for the Carajás region. The new species of Coarazuphium are morphologically similar to the already described species from the same region and are distributed in a small geographic range. From all Coarazuphium species of the region, including the new ones, two stand out, C. spinifemur and C. xingusp. nov., which are the smallest Coarazuphium species. Both species have shorter legs and antennae when compared to the others. The main characteristic that differentiates C. xikrinsp. nov. and C. kayaposp. nov. from the other two species from the Carajás region, C. tapiaguassu and C. amazonicum, is that the new species have more numerous setigerous punctures dorsally on the head. With the three new species added to the six already described congeners, the area of intense mining of the Carajás region includes the highest diversity of obligatory cave-dwelling beetles in Brazil, representing a hotspot of cave beetles. Coarazuphium xikrinsp. nov. and C. amazonicum co-occur in some of the caves of the Carajás region, which is possible due to putative niche differentiation between the species. These findings highlight the importance of maintaining legal provisions that ensure the preservation of caves, especially those most relevant regarding physical and biotic aspects, which is crucial for the conservation of Brazilian subterranean biodiversity.
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来源期刊
CiteScore
2.50
自引率
18.20%
发文量
28
审稿时长
6 weeks
期刊介绍: Subterranean Biology is an international journal published by Pensoft on behalf of the International Society for Subterranean Biology [SIBIOS-ISSB] for the publication of original and significant contributions on all aspects of subterranean life. The Journal will consider original scientific papers dealing with any aspect of subterranean ecosystems and their components focusing on biology, ecology, evolution and conservation. Reviews and Commentaries: The journal welcomes review articles on aspects of subterranean biology. They should be submitted in the same way as research articles but use a simple layout with no more than three levels of headings. Commentaries on previous matter published in the journal may be also considered. Both reviews and commentaries will be reviewed. Book Reviews: Reviews of books, symposia volumes and conferences pertinent to the journal are welcome. The journal publishes electronic versions of the articles when these are ready to publish, without delays that might be caused by completion of an issue. These electronic versions are not "pre-prints" but final and immutable (Version of Record), hence available for the purposes of biological nomenclature. The date indicated on the electronic version is to be considered the actual publication date.
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