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First record of the subfamily Archinemestriinae in the family Nemestrinidae (Diptera: Brachycera) from Upper Cretaceous Burmese amber |
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| Institution: | 1. Entomology Department, Faculty of Science, Cairo University, Giza, Egypt;2. Department of Plant Protection, Yadegar-e Imam Khomeini (RAH) Shahre Rey Branch, Islamic Azad University, Tehran, Iran;3. UW Insect Museum, Department of Ecosystem Science and Management, University of Wyoming, Laramie, WY, United States;4. Integrative Ecology Laboratory, Department of Biology, Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok, Thailand |
| Abstract: | Mesonemestrius caii gen. et sp. nov. is the first record of Archinemestriinae (Nemestrinidae) to be described from Upper Cretaceous Burmese amber. Mesonemestrius caii can be attributed to the subfamily Archinemestriinae by the following characters: M1 ending posterior to the wing tip and supernumerary crossveins absent. Mesonemestrius is characterized by M1 bifurcating after the conjunction of M1+2+3 and a long straight R1. The discovery not only adds to the diversity of tangle-veined flies in Burmese amber, but also represents the youngest record of the ancient subfamily Archinemestriinae. |
| Keywords: | Diptera Nemestrinidae Archinemestriinae Burmese amber Upper Cretaceous |
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