A new genus of praeaulacid wasp (Hymenoptera: Evanioidea) from the mid-Cretaceous Kachin amber (Myanmar) |
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| Institution: | 1. Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d’Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, CP50, 57 rue Cuvier, 75005 Paris, France;2. University Rennes, CNRS, Géosciences Rennes, UMR 6118, 35000 Rennes, France;3. CNRS, UMR 5554 Institut des Sciences de l’Évolution de Montpellier, Place Eugène Bataillon, 34095 Montpellier, France;1. Llorenç de Villalonga, 17B, 1-1, 43007 Tarragona, Catalonia;2. Department of Geology, Faculty of Sciences, University of Isfahan, 81746 Isfahan, Iran;1. Geology Department, Faculty of Science, Fayoum University, 63514 Fayoum, Egypt;2. Geology Department, Faculty of Science, Damietta University, New Damietta, Egypt;2. Museum and Institute of Zoology, Polish Academy of Sciences, Wilcza 64, 00-679, Warszawa, Poland;1. Univ. Rennes, CNRS, Géosciences Rennes, UMR 6118, 35000 Rennes, France;2. 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;1. Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d’Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, CP50, 57 rue Cuvier, 75005 Paris, France;2. Univ. Rennes, CNRS, Géosciences Rennes, UMR 6118, 35000 Rennes, France;3. CNRS, UMR 5554 Institut des Sciences de l’Évolution de Montpellier (Université de Montpellier), Place Eugène Bataillon, 34095 Montpellier, France;4. Gongju National University of Education, Gongju, 32553 Chungcheongnam-do, Republic of Korea;1. Centre de Recherche en Paléontologie de Paris (CR2P) UMR CNRS 7207, Muséum National d’Histoire Naturelle, Sorbonne Université, 8, rue Buffon, 75005 Paris, France;2. Département de Géologie, Faculté des Sciences de Tunis, Université de Tunis el Manar, Campus Tunis, 2092 Tunis, Tunisia;3. Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC) UMR CNRS 7590, Sorbonne Université, Muséum National d’Histoire Naturelle, 4, Place Jussieu, 75005 Paris, France;4. Faculté des Sciences de Gabes, Université de Gabès, Cité Erriadh, 6072 Zrig, Gabès, Tunisia |
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| Abstract: | The diversity of praeaulacid wasps in Kachin amber is relatively poorly documented. Here, a new genus and species of praeaulacid wasp are described and illustrated from the mid-Cretaceous Kachin amber as Archeogastrinus kachinensis gen. et sp. nov., and placed in the subfamily Praeaulacinae. This new genus is distinguishable from the other Praeaulacidae because of its particular tibial spurs formula 1-2-2; its forewings with a long and thin pterostigma, a 1-M longer than 1-Rs, a 1-Rs longer than its distance to pterostigma, a crossvein 2r-rs aligned (or nearly) with 2rs-m and originating near the middle of pterostigma, a 2rs-m present, a cell 3rm long, a 1cu-a postfurcal to 1-M, a vein 2-M distinct; its hind wings cu-a reaching Cu distad M + Cu fork; and its metasoma with a first segment petiole-like (i.e., long and thin) and ventrally inflated in its distal half. The position of the genus Mesevania is briefly discussed, as well as the validity of the genus Paleosyncrasis, both described from the mid-Cretaceous Kachin amber. |
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| Keywords: | Diversity Mesozoic New species Praeaulacinae Taxonomy Diversité Mésozoïque Nouvelle espèce Praeaulacinae Taxonomy |
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