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The neglected diversity of the Ochthebius fauna from Eastern Atlantic and Central and Western Mediterranean coastal rockpools (Coleoptera, Hydraenidae)
Organisms Diversity & Evolution ( IF 1.6 ) Pub Date : 2020-10-26 , DOI: 10.1007/s13127-020-00463-y
Adrian Villastrigo , Carles Hernando , Andrés Millán , Ignacio Ribera

We describe four species of Ochthebius subgenus Cobalius (Coleoptera, Hydraenidae) from coastal rockpools of the western Palaearctic Region: O. anzar sp. nov. (south Morocco, plus a possible specimen from Lanzarote, Canary Islands), O. cortomaltese sp. nov. (Malta), O. evae sp. nov. (Atlantic coast of Morocco and Mediterranean coast of south Spain), and O. gorgadensis sp. nov. (Ilha de Santiago, Cabo Verde). A molecular phylogeny of all described species of Cobalius recovered three clades: (1) O. serratus Rosenhauer, 1864 as sister to the newly defined O. algicola group, including most of the Macaronesian species of Cobalius (O. algicola Wollaston, 1871 from Madeira, O. freyi d’Orchymont, 1941 from Azores, O. lanthanus Ribera and Foster 2018 from Gran Canaria and Lanzarote, and O. balfourbrownei Jach, 1989 and O. gorgadensis sp. nov. from Cabo Verde); (2) O. anzar sp. nov. as sister to the species of the newly defined O. biltoni group (O. biltoni Jach and Delgado, 2017 from Sicily, plus O. evae sp. nov. and O. cortomaltese sp. nov.); and (3) the newly defined O. lejolisii group, including O. lejolisii Mulsant and Rey, 1861 (Atlantic coast from south Morocco to the British Islands) plus O. subinteger Mulsant and Rey, 1861 (western Mediterranean), O. adriaticus Reitter, 1886 and its subspecies, O. celatus Jach, 1989 and O. asper Sahlberg, 1900 stat. rev., previously considered a synonym of O. subinteger (all from the Central and Eastern Mediterranean). We note the strong intrapopulational morphological variation and the contrasting lack of consistent diagnostic characters between populations, despite the deep genetic divergence between lineages found within some species. We also discuss the widespread evolutionary convergence in beetles living in coastal habitats, sometimes in different genera or even families.

中文翻译:

来自东大西洋和中西地中海沿岸岩池的 Ochthebius 动物群被忽视的多样性(鞘翅目、Hydraenidae)

我们描述了来自古北地区西部沿海岩池的四种 Ochthebius 亚属 Cobalius(鞘翅目,Hydraenidae):O. anzar sp。十一月 (南摩洛哥,加上一个可能来自加那利群岛兰萨罗特岛的标本),O. cortomaltese sp。十一月 (马耳他), O. evae sp. 十一月 (摩洛哥的大西洋沿岸和西班牙南部的地中海沿岸)和 O. gorgadensis sp。十一月 (Ilha de Santiago,佛得角)。所有描述的 Cobalius 物种的分子系统发育恢复了三个进化枝:(1) O. serratus Rosenhauer,1864 年作为新定义的 O. algicola 组的姐妹,包括 Cobalius 的大多数 Macaronesian 物种(O. algicola Wollaston,1871 年来自马德拉, O. freyi d'Orchymont,1941 年来自亚速尔群岛,O. lanthanus Ribera 和 Foster 2018 年来自大加那利岛和兰萨罗特岛,以及 O. balfourbrownei Jach,1989 年和 O. Gorgadensis sp. 11 月。来自佛得角);(2) O. anzar sp. 十一月 作为新定义的 O. biltoni 组物种的姐妹(O. biltoni Jach 和 Delgado,2017 年来自西西里,加上 O. evae sp. nov. 和 O. cortomaltese sp. nov.);(3) 新定义的 O. lejolisii 群,包括 O. lejolisii Mulsant and Rey,1861(大西洋沿岸从摩洛哥南部到不列颠群岛)加上 O. subinteger Mulsant and Rey,1861(地中海西部),O. adriaticus Reitter ,1886 年及其亚种,O. celatus Jach,1989 年和 O. asper Sahlberg,1900 年统计数据。rev.,以前被认为是 O. subinteger 的同义词(均来自地中海中部和东部)。我们注意到强烈的种群内形态变异和种群之间缺乏一致的诊断特征的对比,尽管在某些物种中发现的谱系之间存在深刻的遗传差异。
更新日期:2020-10-26
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