First fossil Coloninae from Upper Cretaceous Burmese amber (Coleoptera: Staphylinoidea: Leiodidae) |
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| Institution: | 1. Key Laboratory of Economic Stratigraphy and Palaeogeography, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, 39 East Beijing Road, Nanjing 210008, China;2. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China;1. Nad Vodovodem 16, CZ-100 00, Praha 10, Czech Republic;2. Department of Zoology, Faculty of Science, Charles University in Prague, Vini?ná 7, 128 44, Praha 10, Czech Republic;3. Division of Invertebrate Zoology, American Museum of Natural History, Central Park West at 79th Street, New York, NY, 10024-5192, USA;4. Division of Entomology, Natural History Museum, Department of Ecology & Evolutionary Biology, 1501 Crestline Drive, Suite 140, University of Kansas, Lawrence, KS, 66045-4415, USA;1. State Key Laboratory of Biocontrol, Key Laboratory of Biodiversity Dynamics and Conservation of Guangdong Higher Education Institute, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, PR China;2. Australian National Insect Collection, CSIRO National Research Collections Australia, GPO Box 1700, Canberra, ACT 2601, Australia;3. College of Life Sciences, Capital Normal University, Xisanhuanbeilu 105, Haidian District, Beijing, 100048, PR China;1. Museum of Natural History, University of Wroc?aw, Sienkiewicza 21, 50-335, Wroc?aw, Poland;2. Entomological Laboratory, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 6-10-1 Hakozaki, Fukuoka, 812-8581, Japan;3. Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tenoudai, Tsukuba, Ibaraki, 305-0001, Japan;1. Entomological Laboratory, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 6-10-1 Hakozaki, Fukuoka, 812-8581, Japan;2. Naturhistorisches Museum Wien, Burgring 7, 1010, Wien, Austria;3. Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tenoudai, Tsukuba, Ibaraki, 305-0001, Japan;1. Key Laboratory of Economic Stratigraphy and Palaeogeography, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China;2. Department of Biology, Shanghai Normal University, Shanghai 200234, China;3. Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China;4. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China |
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| Abstract: | Fossil leiodids are sparse, and they are confined to the Cenozoic. Here we describe and illustrate the first definitive Mesozoic leiodid, Colonellus burmiticus sp. nov., based on two well-preserved adults from the Upper Cretaceous Burmese amber. The fossil is firmly placed in the extant Coloninae based on multiple synapomorphies, such as antennae with normal-sized antennomere 8 and abdominal intersegmental membranes with “brick-wall” pattern. It can be further assigned to the extant genus Colonellus (subgenus Pentacolonellus) by its five-segmented antennal club. The discovery suggests that Colonellus is an ancient group, originating no later than the mid-Cretaceous. |
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| Keywords: | Leiodidae Coloninae Cenomanian Burmese amber |
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