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The oldest representative of the extant barklice genus Psyllipsocus (Psocodea: Trogiomorpha: Psyllipsocidae) from the Cenomanian amber of Myanmar
Cretaceous Research ( IF 1.9 ) Pub Date : 2020-09-01 , DOI: 10.1016/j.cretres.2020.104480
Sergio Álvarez-Parra , Enrique Peñalver , André Nel , Xavier Delclòs

Abstract We describe Psyllipsocus yoshizawai sp. nov., the oldest and first Cretaceous species of the extant genus Psyllipsocus (Psocodea: Trogiomorpha: Psyllipsocidae). This is the fifth genus and sixth species to be identified within the family Psyllipsocidae from the Cretaceous and the third genus and fourth species of psyllipsocids from the Cenomanian amber of Myanmar (Burmese amber, in Tanai). Its taxonomic affinities with the other fossil and living psyllipsocid genera are discussed. The attribution to the extant genus Psyllipsocus is based on the absence of any significant differences with this genus that could not correspond to a specific level. This situation is rare but not exceptional, as some other extant insect genera have already been recorded from the Burmese amber. It suggests a high morphological stability of the genus over time. A checklist of the known Cretaceous psocodean species from amber is given.

中文翻译:

来自缅甸森诺曼尼亚琥珀的现存树虱属 Psyllipsocus (Psocodea: Trogiomorpha: Psyllipsocidae) 的最古老代表

摘要 我们描述了 Psyllipsocus yoshizawai sp。11 月,现存的 Psyllipsocus 属(Psocodea:Trogiomorpha:Psyllipsocidae)的最古老和第一个白垩纪物种。这是在来自白垩纪的木虱科中的第五个属和第六个物种,以及来自缅甸 Cenomanian 琥珀(位于 Tanai 的缅甸琥珀)的木虱科的第三个属和第四个物种。讨论了它与其他化石和活木虱属的分类学相似性。对现存 Psyllipsocus 属的归因是基于与该属不存在任何无法对应于特定水平的显着差异。这种情况很少见,但并不例外,因为缅甸琥珀中已经记录了其他一些现存的昆虫属。它表明该属随着时间的推移具有高度的形态稳定性。
更新日期:2020-09-01
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