New species of Sinodima Kundrata, Sormova & Qiu, 2019 reveal the first case of strong sexual dimorphism in Dimini (Coleoptera: Elateridae)

IF 1.1 3区农林科学 Q3 ENTOMOLOGY Journal of Asia-pacific Entomology Pub Date : 2024-07-10 DOI:10.1016/j.aspen.2024.102289

Lu Qiu , Robin Kundrata

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Abstract

ZooBank LSID: urn:lsid:zoobank.org:pub:392A0D37-258B-4662-A318-BA671654E093.

Genus Sinodima Kundrata, Sormova & Qiu, 2019 was originally described based on a single species represented by the female holotype. In this study, we examined more than 500 specimens of Sinodima collected using Malaise traps. As a result, we described two new species from China: Sinodima liupanshuiensis sp. nov. and Sinodima nanlingensis sp. nov. The males of this genus are firstly reported and distinctly differentiated from the females by the elongate body and fully developed hind wings. Two new combinations are proposed for species originally described in genus Penia Laporte, 1838: Sinodima elongata (Arimoto, 2023), comb. nov. and Sinodima sucinea (Schimmel, 2001), comb. nov. The newly discovered Sinodima species provide the first report on strong sexual dimorphism in Dimini and highlight an unusual season activity of adults during autumn to early winter.

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Sinodima Kundrata, Sormova & Qiu, 2019年的新种首次揭示了Dimini（鞘翅目：Elateridae）中强烈的性二型现象

ZooBank LSID：urn:lsid:zoobank.org:pub:392A0D37-258B-4662-A318-BA671654E093.Sinodima Kundrata, Sormova & Qiu, 2019属最初的描述是基于以雌性主模式为代表的单一物种。在这项研究中，我们研究了使用马拉伊斯诱捕器采集的 500 多件 Sinodima 标本。结果，我们描述了来自中国的两个新物种：Sinodima liupanshuiensis sp.nov.和 Sinodima nanlingensis sp.nov.。首次报道了该属的雄虫，雄虫与雌虫的明显区别在于雄虫身体较长，后翅发达。对最初描述于 Penia 属 Laporte, 1838 年的物种提出了两个新的组合：Sinodima elongata (Arimoto, 2023), comb.新发现的 Sinodima 物种首次报道了 Dimini 的强烈性二态性，并突出了成虫在秋季至初冬期间不寻常的季节性活动。

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来源期刊

Journal of Asia-pacific Entomology Agricultural and Biological Sciences-Insect Science

CiteScore

2.70

自引率

6.70%

发文量

152

审稿时长

69 days

期刊介绍： The journal publishes original research papers, review articles and short communications in the basic and applied area concerning insects, mites or other arthropods and nematodes of economic importance in agriculture, forestry, industry, human and animal health, and natural resource and environment management, and is the official journal of the Korean Society of Applied Entomology and the Taiwan Entomological Society.