文章标题巴西罗赖马山国家公园高性别二型性的小叶蝉一新种(鞘翅目:叶蝉科)

IF 0.7 4区环境科学与生态学 Q4 ECOLOGY

Acta Amazonica Pub Date : 2023-01-01 DOI:10.1590/1809-4392202300181

André S. FERNANDES, Maria L.S. ALMEIDA, Rafael BOLDRINI

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引用次数: 0

摘要

摘要:水甲虫是水甲虫科51个新热带属之一，目前有15种，分布在新热带地区。这种小甲虫属在南美洲特别有代表性，在那里除了一种之外都能找到，巴西是最丰富的，到目前为止有10种记录。本文描述和说明了一种具有显著性别二态性和独特诊断特征的Elmidae新种Xenelmis tuchaua sp. nov.。这个新物种是在巴西罗赖马州罗赖马山国家公园的一条亚马逊河中发现的。我们提供了一份更新的种表，并对该属性别二态现象的发生进行了评论。

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A new species with high sexual dimorphism of Xenelmis Hinton (Coleoptera: Elmidae) from Mount Roraima National Park, Brazil

ABSTRACT Xenelmis is one of the 51 Neotropical genera of the aquatic beetle family Elmidae and is currently represented by 15 species distributed throughout the Neotropics. This genus of tiny beetles is especially well represented in South America, where all but one species can be found, and Brazil has the greatest richness, with ten species recorded so far. Here we describe and illustrate Xenelmis tuchaua sp. nov., a new Elmidae species with remarkable sexual dimorphism and unique diagnostic characteristics. The new species was found in an Amazonian stream located in Mount Roraima National Park, Roraima state, Brazil. We provide an updated species list for Xenelmis with comments on the occurrence of sexual dimorphism in the genus.

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来源期刊

Acta Amazonica PLANT SCIENCESECOLOGYZOO-ECOLOGY

CiteScore

1.70

自引率

0.00%

发文量

审稿时长

22 weeks

期刊介绍： Acta Amzonica is a multidisciplinary, peer-reviewed, open access, free-of-charge scientific journal for research in and about the Amazon region, published since 1971 by the Instituto Nacional de Pesquisas da Amazônia - INPA, in Brazil. The journal publishes quarterly issues containing articles and short communications in English across a broad range of disciplines, including Agronomy and Forestry, Animal Sciences and Fisheries, Biodiversity and Conservation, Biotechnology, Chemistry and Pharmacology, Environmental Sciences, Food Sciences, Geosciences, Health Sciences, Human and Social Sciences, and Materials Technology.