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Resolving the species status of overlooked West-Palaearctic bumblebees
Zoologica Scripta ( IF 2.5 ) Pub Date : 2021-03-27 , DOI: 10.1111/zsc.12486
Nicolas Brasero 1 , Guillaume Ghisbain 1 , Thomas Lecocq 1, 2 , Denis Michez 1 , Irena Valterová 3, 4 , Paolo Biella 5 , Alireza Monfared 6 , Paul Hugh Williams 7 , Pierre Rasmont 1 , Baptiste Martinet 1, 8
Affiliation  

Multisource approaches in taxonomy gather different lines of evidence in order to draw strongly supported taxonomic conclusions and constitute the basis of integrative taxonomy. In the case of overlooked taxa with disjunct distributions for which sampling is more challenging, integrative approaches help to propose stable hypotheses at the species and subspecies levels. Here, based on genetic and semio-chemical traits, we performed an integrative taxonomic analysis to evaluate species delimitation hypotheses within a monophyletic group of bumblebees (Hymenoptera, Apidae, Bombus) including the formerly recognised subgenera Eversmannibombus, Laesobombus and Mucidobombus which are now included in the subgenus Thoracobombus. Our results demonstrate the conspecificity of several polytypic taxa, and we formally recognise the subspecies Bombus laesus aliceae comb. nov. Cockerell, 1931, endemic to North Africa, based on its allopatry, unique mitochondrial haplotype and divergent cephalic labial gland secretions. This highlights the need to maintain studying polytypic complexes of bumblebee taxa for which phylogenetic relationships could be still entangled and eventually implement conservation strategies for taxonomically differentiated lineages.

中文翻译:

解决被忽视的西古北大黄蜂的物种状况

分类学中的多源方法收集不同的证据,以得出强有力的分类学结论并构成综合分类学的基础。对于具有分离分布的被忽视的分类群,采样更具挑战性,综合方法有助于在物种和亚种水平提出稳定的假设。在这里,基于遗传和semio化学特征,我们进行了综合分类分析,大黄蜂(膜翅目,蜜蜂科,一个单系群内评估的物种界限的假设熊蜂),包括以前公认的亚属EversmannibombusLaesobombusMucidobombus现在被列入胸骨亚属. 我们的结果证明了几种多型分类群的同种性,我们正式承认了Bombus laesus aliceae梳子亚种。十一月 Cockerell,1931 年,北非特有,基于其异源性、独特的线粒体单倍型和不同的头唇唇腺分泌物。这突出表明需要继续研究大黄蜂类群的多型复合体,其系统发育关系仍可能纠缠不清,并最终为分类分化的谱系实施保护策略。
更新日期:2021-03-27
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