Kanturski Mariusz, Lee Yerim, Kim Hyojoong
Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia, Bankowa 9, 40-007, Katowice, Poland.
Department of Biological Sciences, Kunsan National University, 558 Daehak-Ro, Naun 2(I)-Dong, Gunsan-Si, Jeollabuk-Do, Republic of Korea.
Front Zool. 2024 Nov 19;21(1):29. doi: 10.1186/s12983-024-00550-2.
Lachninae (Insecta: Aphididae) represent a fascinating group of aphids that are traditionally divided into five tribes. Among these, members of the tribe Tuberolachnini exhibit remarkable morphological and biological diversity. One genus of this group, Miyalachnus, known from Japan, is characterized by unique features. Our study aimed to re-examine the tribal classification within Lachninae, with a focus on the diverse Tuberolachnini and the previously understudied genera Miyalachnus and Sinolachnus.
We conducted a comprehensive phylogenetic analysis using four genes (COI, COII, CytB, and EF1α), employing both maximum likelihood (ML) and Bayesian inference (BI) methods on a combined dataset. Our findings challenge the monophyly of Tuberolachnini. The analyses revealed that Miyalachnus and Sinolachnus are phylogenetically distinct from the core Tuberolachnini genera (Nippolachnus, Pyrolachnus, and Tuberolachnus), instead showing a closer relationship with Tramini. Specifically, the Miyalachnus clade forms a sister clade to the clade containing Sinolachnus and Tramini.
On the basis of these molecular results, corroborated by morphological evidence, we propose to erect a new tribe within the Lachninae-Miyalachnini trib. nov. with Miyalachnus as the type genus. We also provide updated taxonomic diagnoses for the remaining tribes and discuss their relationships as well as distinguishing features.
毛蚜亚科（昆虫纲：蚜科）是一类迷人的蚜虫，传统上分为五个族。其中，瘤蚜族的成员表现出显著的形态和生物学多样性。该族的一个属，即分布于日本的宫蚜属，具有独特的特征。我们的研究旨在重新审视毛蚜亚科内的族分类，重点关注多样化的瘤蚜族以及此前研究不足的宫蚜属和华瘤蚜属。
我们使用四个基因（COI、COII、CytB和EF1α）进行了全面的系统发育分析，在合并数据集上采用最大似然法（ML）和贝叶斯推断法（BI）。我们的研究结果对瘤蚜族的单系性提出了挑战。分析表明，宫蚜属和华瘤蚜属在系统发育上与瘤蚜族的核心属（日本瘤蚜属、松瘤蚜属和瘤蚜属）不同，反而与长痣蚜族显示出更密切的关系。具体而言，宫蚜属分支与包含华瘤蚜属和长痣蚜族的分支形成姐妹分支。
基于这些分子结果，并得到形态学证据的支持，我们提议在毛蚜亚科内建立一个新族——宫蚜族（Miyalachnini trib. nov.），以宫蚜属为模式属。我们还提供了其余族的更新分类诊断，并讨论了它们之间的关系以及鉴别特征。
