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      A new sawfly of Megalodontesidae (Insecta, Hymenoptera, Pamphilioidea) with pectinate antennae from the Early Cretaceous of China

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          Abstract

          Abstract

          A new sawfly of Megalodontesidae , Jibaissodes peichenae sp. nov., is described from the Lower Cretaceous Yixian Formation of Northeastern China. It is established mainly based on the pectinate antenna comprising 42 flagellomeres and the proximal 28 bearing apical rami, which gradually shorten in length toward the apex of the flagellum. The pterostigma of the forewing is infuscated apically and on the hind wing, vein 1-Rs is nearly equal to 1r-m and slightly shorter than 1-M. The first tergum is widely excised posteriorly and roundly protruding laterally alike in Megalodontes . This find supports that pectinate antennae in extant sawflies of Megalodontesidae originated at least during or before the Early Cretaceous.

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          Most cited references 11

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          World Catalog of Symphyta (Hymenoptera)

          The first complete World Catalog of sawflies (Hymenoptera, suborder Symphyta) for over 100 years is presented. It contains references to the original descriptions and provides brief distributional data for 803 genera, 8353 species (123 with two or more subspecies) and 161 subspecies in addition to the nominal subspecies. 15245 proposed names are treated, including replacement names, infrasubspecific names and nomina nuda, of which only 22 could not be checked in the original publications. Current taxonomic placement of genera and species and occurrence in zoogeographic regions are indicated. The list of names contains 31245 name combinations, variant spellings and family-group names. The authors attempted to consult all publications with taxonomic content referring to Symphyta that have appeared up to 31.12.2009. The 2960 cited references include all those that are known to contain original descriptions of taxa. Short biographical data and portraits of 168 symphytologists as well as images of representatives of extant sawfly taxa are included.
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            Lower Cretaceous origin of long-distance mate finding behaviour in Hymenoptera (Insecta)

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              The Eurasian species of Xyela (Hymenoptera, Xyelidae): taxonomy, host plants and distribution

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                Author and article information

                Contributors
                Journal
                Zookeys
                Zookeys
                2
                urn:lsid:arphahub.com:pub:45048D35-BB1D-5CE8-9668-537E44BD4C7E
                urn:lsid:zoobank.org:pub:91BD42D4-90F1-4B45-9350-EEF175B1727A
                ZooKeys
                Pensoft Publishers
                1313-2989
                1313-2970
                2019
                02 December 2019
                : 893
                : 115-123
                Affiliations
                [1 ] College of Life Sciences and Academy for Multidisciplinary Studies, Capital Normal University, 105 Xisanhuanbeilu, Haidian District, Beijing 100048, China Capital Normal University Beijing China
                [2 ] Key Laboratory of Forest Protection, State Forestry Administration, Research Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Beijing 100091, China Research Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry Beijing China
                [3 ] Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, DC, 20013-7012, USA Smithsonian Institution Washington United States of America
                [4 ] Palaeontological Institute, Russian Academy of Sciences, 117868, Moscow, Russia Palaeontological Institute, Russian Academy of Sciences Moscow Russia
                [5 ] The Natural History Museum, Cromwell Road, London SW7 5BD, UK The Natural History Museum London United Kingdom
                [6 ] Institute of Apicultural Research of CAAS, No. 1 Beigou Xiangshan, Haidian District, Beijing 100093, China Institute of Apicultural Research of CAAS Beijing China
                Author notes
                Corresponding author: Taiping Gao ( tpgao@ 123456cnu.edu.cn )

                Academic editor: S. M. Blank

                Article
                38512
                10.3897/zookeys.893.38512
                6901609
                Yimo Wang, Mei Wang, ChungKun Shih, Alexandr P. Rasnitsyn, Jun Yao, Dong Ren, Taiping Gao

                This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                Funding
                Funded by: National Natural Science Foundation of China 501100001809 http://doi.org/10.13039/501100001809
                Categories
                Research Article
                Hymenoptera
                Megalodontoidea
                Palaeontology
                Palaeozoology
                Cretaceous
                China

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