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Two New Species of Ripipterygidae (Orthoptera, Tridactyloidea) from Mid-Cretaceous of Myanmar with a Key to the Genera of Tridactyloidea in Amber
oleh: Jun-Jie Gu, Cheng-Jie Zheng, Dong Ren, Cheng-Quan Cao, Yan-Li Yue
Format: | Article |
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Diterbitkan: | MDPI AG 2022-10-01 |
Deskripsi
The abundance of insects in Burmese amber illustrates a highly diverse orthoptera community of the mid-Cretaceous, but the records of ripipterygids are relatively rare. Here, we reviewed the genus of <i>Magnidactylus</i> (Xu, Fang and Jarzembowski, 2020) and transfered it from Tridactylidae to Ripipterygidae. Based on four ambers specimens collected from northern Myanmar, two new species, <i>Magnidactylus</i><i>mirus</i> sp. nov. and <i>Magnidactylus</i><i>gracilis</i> sp. nov., wereerected. <i>M.</i><i>mirus</i> sp. nov. can be characterized by its basal segment and apical segment of paraproctal lobes, which are equally thick and clavate. <i>M.</i><i>gracilis</i> sp. nov. can be characterized by its apical segment of paraproctal lobes, which are distinctly swollen. Additionally, in order to facilitate the classification of amber specimens of Tridactyloidea, a key to the genera ofambers in this superfamily is provided.