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Article
Published: 2021-02-26

A new genus and species of Mesochrysopidae (Neuroptera) from the mid-Cretaceous Burmese amber

Department of Entomology, China Agricultural University, Beijing 100193, China
State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, 39 East Beijing Road, Nanjing 210008, China
Department of Entomology, China Agricultural University, Beijing 100193, China
Neuroptera Chrysopoidea Mesochrysopidae Mesozoic Myanmar

Abstract

A new genus and species of the extinct lacewing family Mesochrysopidae, Burmotachinymphes bilobata gen. et sp. nov., is described from the mid-Cretaceous of northern Myanmar. This new genus can be easily distinguished from most known mesochrysopids by the RP+MA diverged from RA at an angle of >30° and strongly zigzagged along entire stem, and by the pectinate branches of MP2. Systematic position of Burmotachinymphes gen. nov. and the potential function of its unique pretarsal structure, i.e., the bilobed arolium with a pair of claw-like processes, are discussed. Additionally, a checklist of known mesochrysopid species and a revised diagnosis of Tachinymphinae are provided.

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