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On the morphology of the Late Paleozoic insect families Bardohymenidae and Aspidothoracidae (Palaeodictyopterida: Megasecoptera).
Arthropod Structure & Development ( IF 1.7 ) Pub Date : 2020-03-13 , DOI: 10.1016/j.asd.2020.100916
Martina Pecharová 1 , Nina D Sinitshenkova 2 , Jakub Prokop 1
Affiliation  

Megasecoptera is a late Paleozoic order of herbivorous insects with rostrum-like mouthparts and slender homonomous outstretched wings. Our knowledge of their morphology is mainly based on wings while other body parts are scarcely documented. Here we focus on the families Bardohymenidae and Aspidothoracidae. A new well preserved specimen of Sylvohymen cf. sibiricus is described and illustrated, particularly the structures of the external male genitalia previously unknown for Bardohymenidae. Sylvohymen marginatussp. nov. is described from the early Permian of Tshekarda based on unique traits in the wing venation. The genera Paleohymen and Taigahymen are both removed from Bardohymenidae and the latter is transferred to Vorkutiidae. Alexahymen aestatis (Brauckmann, 1991) comb. nov. from Pennsylvanian at Piesberg is transferred from Aspidothoracidae to Bardohymenidae. Piesbergbrodiagen. nov. is designated for Piesbergbrodia tristrata (Brauckmann and Herd, 2003) comb. nov. as a member of Brodiidae and the first known record of this family from Piesberg quarry. The placement of Sylvohymen peckae in the Bardohymenidae is considered doubtful due to lack of significant characters in its venation. Furthermore, our study is focused on the form of the apical cell and the pattern of wing pigmentation. Peculiarities of the integumental outgrowths and external genitalia of representatives of Aspidothoracidae and Bardohymenidae, and other close relatives, are highlighted.

中文翻译:

关于古生代昆虫科Bardohymenidae和Aspidothoracidae(Palaeodictyopterida:Megasecoptera)的形态。

Megasecoptera是一种古生代晚期的食草昆虫,具有类似台状的口器和细长的均匀伸出的翅膀。我们对它们的形态学的了解主要基于机翼,而很少记录其他身体部位。在这里,我们重点介绍Bardohymenidae科和Aspidothoracidae科。一个保存完好的新的Sylvohymen标本cf. 描述和说明了西伯利亚iri蛇,尤其是以前对于Bardohymenidae未知的外部雄性生殖器的结构。Sylvohymen marginatussp。十一月 是根据特谢卡尔达(Tshekarda)的二叠纪早期人,根据机翼脉脉的独特特征进行描述的。古肺菌科和大叶猴科都从巴尔膜虫科中移出,后者被转移到Vorkutiidae。Alexahymen aestatis(Brauckmann,1991)梳。十一月 宾夕法尼亚州的皮斯贝格(Pennsylvania)从香茅科转移到香茅科。Piesbergbrodiagen。十一月 被指定为Piessbergbrodia tristrata(Brauckmann and Herd,2003)梳子。十一月 是Brodiidae的成员,也是该家族在Piesberg采石场的第一个已知记录。由于西门参科啄木鸟的脉管缺乏明显的特征,因此其在斑鸠科中的位置令人怀疑。此外,我们的研究集中在根尖细胞的形式和机翼色素沉着的模式。着重指出了伞形酸科和巴尔多菌科的代表的外皮和外生殖器的特殊性,以及其他近亲。是Brodiidae的成员,也是该家族在Piesberg采石场的第一个已知记录。由于西门参科啄木鸟的脉管缺乏明显的特征,因此其在斑鸠科中的位置令人怀疑。此外,我们的研究集中在根尖细胞的形式和机翼色素沉着的模式。着重指出了伞形酸科和巴尔多菌科的代表的外皮和外生殖器的特殊性,以及其他近亲。是Brodiidae的成员,也是该家族在Piesberg采石场的第一个已知记录。由于西门参科啄木鸟的脉管缺乏明显的特征,因此其在斑鸠科中的位置令人怀疑。此外,我们的研究集中在根尖细胞的形式和机翼色素沉着的模式。着重指出了伞形酸科和巴尔多菌科的代表的外皮和外生殖器的特殊性,以及其他近亲。
更新日期:2020-03-13
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