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The herophile species group of Calisto (Lepidoptera : Nymphalidae : Satyrinae), new taxa and historical biogeography
Invertebrate Systematics ( IF 2.2 ) Pub Date : 2019-01-01 , DOI: 10.1071/is18048
Rayner Núñez , Alejandro Barro-Cañamero , Marc C. Minno , Douglas M. Fernández , Axel Hausmann

Abstract. The genus Calisto is endemic to the West Indies and the only representative there of the Satyrinae. Here we reconstruct the evolutionary relationships of the herophile group and describe five new species from Cuba: Calisto gundlachi sp. nov., Calisto siguanensis sp. nov., Calisto disjunctus sp. nov., Calisto sharkeyae sp. nov. and Calisto lastrai sp. nov. We employ one mitochondrial and four nuclear markers to assess the phylogenetic position, Maximum Likelihood and Bayesian Inference approaches, of the new taxa. Our phylogenetic trees yielded two strongly supported main clades with four of the new species included within them and C. sharkeyae as sister group to the rest of the major main clade. We conduct time-divergence estimations and ancestral area reconstructions using BEAST and BioGeoBEARS. The group originated 12.15 million years ago during the middle Miocene in north-eastern Cuba, Nipe-Sagua-Baracoa Massif. After 6 million years of in situ evolution most lineages started to colonise other Cuban territories and the Bahamas. This scenario is consistent with key geological events, including the closure of the western Havana–Matanzas channel 8–6 million years ago, the uplift of the Sierra Maestra 6–5 million years ago, and the land connections among Cuban regions during the Miocene–Pleistocene sea level drops. Dispersal and vicariance processes may have occurred, with populations surviving floodings on the major and minor mountain ranges, which remained as ‘islands’.

中文翻译:

Calisto(鳞翅目:蛱蝶科:Satyrinae)、新分类群和历史生物地理学

摘要。Calisto 属是西印度群岛的特有种,也是 Satyrinae 的唯一代表。在这里,我们重建了herophile 群体的进化关系,并描述了来自古巴的五个新物种:Calisto gundlachi sp。十一月,Calisto siguanensis sp. 十一月,Calisto disjunctus sp。11 月,Calisto 鲨鱼亚种。十一月 和 Calisto lastrai sp。十一月 我们使用一个线粒体和四个核标记来评估新分类群的系统发育位置、最大似然和贝叶斯推理方法。我们的系统发育树产生了两个强烈支持的主要进化枝,其中包括四个新物种,而 C.sharkeyee 作为其他主要主要进化枝的姊妹组。我们使用 BEAST 和 BioGeoBEARS 进行时间差异估计和祖先区域重建。该组起源于12。1500 万年前,在古巴东北部的中中新世,Nipe-Sagua-Baracoa 地块。经过 600 万年的原地进化,大多数世系开始殖民其他古巴领土和巴哈马。这种情景与关键地质事件一致,包括 8-6 百万年前哈瓦那西部-马坦萨斯海峡的关闭、6-5 百万年前马埃斯特拉山脉的隆起以及中新世期间古巴地区之间的陆地连接-更新世海平面下降。可能已经发生了分散和替代过程,人口在主要和次要山脉的洪水中幸存下来,这些山脉仍然是“岛屿”。这种情景与关键地质事件一致,包括 8-6 百万年前哈瓦那西部-马坦萨斯海峡的关闭、6-5 百万年前的塞拉马埃斯特拉隆起以及中新世期间古巴地区之间的陆地连接-更新世海平面下降。可能已经发生了分散和替代过程,人口在主要和次要山脉的洪水中幸存下来,这些山脉仍然是“岛屿”。这种情景与关键地质事件一致,包括 8-6 百万年前哈瓦那西部-马坦萨斯海峡的关闭、6-5 百万年前马埃斯特拉山脉的隆起以及中新世期间古巴地区之间的陆地连接-更新世海平面下降。可能已经发生了分散和替代过程,人口在主要和次要山脉的洪水中幸存下来,这些山脉仍然是“岛屿”。
更新日期:2019-01-01
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