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Pelamera atra (Rondani, 1861) (Diptera: Tachinidae)—systematics of a rare and enigmatic bristle fly from Europe
Zoologischer Anzeiger ( IF 1.4 ) Pub Date : 2020-11-13 , DOI: 10.1016/j.jcz.2020.11.001
Silvia Gisondi , Giulia Bellanti , Maurizio Mei , Andrea Di Giulio , John O. Stireman , Pierfilippo Cerretti

Pelamera atra (Rondani, 1861) is an enigmatic species of bristle fly that has been challenging dipterologists with regard to its taxonomic position within the family Tachinidae since it was first described. The species is rarely collected and is only known from a handful of female specimens. The first ever male specimen of P. atra was collected in southern Italy in 2017, and it allowed for the discovery of its unique terminalia. The present paper provides the first description of a male of P. atra and presents new insights about its phylogenetic position within the family based on molecular data. A maximum likelihood analysis was conducted on a selection of tachinid taxa using sequences of two nuclear protein-coding genes (CAD and MCS) to formulate the first hypothesis concerning the phylogenetic placement of P. atra. Phylogenetic analyses reconstructed P. atra as a member of the Tachininae sister to the (Loewiini + (Polideini + Ernestiini)) clade. This reconstruction challenges previous attempts at classifying Pelamera based on female external morphology, which instead suggested a close affinity to the tribes Brachymerini or Minthoini. Due to the morphological distinctiveness of this taxon, we here propose the placement of P. atra in the monotypic tribe Pelamerini stat. rev.



中文翻译:

Pelamera atra(Rondani,1861年)(Diptera:Tachinidae)-来自欧洲的稀有而神秘的刚毛蝇的系统学

Pelamera atra(Rondani,1861)是一种刚毛刚毛的神秘物种,自从首次被描述以来,就其在within科中的生物分类位置而言,一直困扰着动物学家。该物种很少被收集,仅从少数雌性标本中才知道。P. atra的第一个雄性标本于2017年在意大利南部收集,这使它得以发现其独特的末端。本文首次描述了P. atra的雄性并根据分子数据提供有关其在家庭中的系统发育地位的新见解。利用两个核蛋白编码基因(CAD和MCS)的序列,对一种chin类群的选择进行了最大似然分析,从而提出了关于假单胞菌系统发育定位的一个假设。系统发育分析重建了P. atra,作为(Loewiini +(Polideini + Ernestiini))进化枝的Tachininae姐妹的一员。这种重建挑战了以前根据雌性外部形态对Pe虫进行分类的尝试,这些尝试反而暗示了与部落Brachymerini或Minthoini的密切相关。由于该分类单元的形态学独特性,我们在此提出了P. atra的位置在单一部落的Pelamerini统计中。转速

更新日期:2020-11-21
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