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Cite This Paper:.2013.[J].Acta Geologica Sinica(),87(6):1495-1500
New Genus and Species of Rhyacophilidae (Insecta: Trichoptera) from the Middle Jurassic of China    Download PDF
GAO Yan1  YAO Yunzhi1  2  *  REN Dong1
1 Key Laboratory of Insect Evolution and Environmental Changes, Capital Normal University, Beijing 100048, China; 2 State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS, Nanjing 210008, China
This research was funded by grants from the National Basic Research Program of China (973 Program) (No. 2012CB821900); The National Natural Science Foundation of China (No. 31372242, 41272006, 31230065); Fok Ying-Tong Education Foundation for Young Teachers in the Higher Education Institutions of China (No. 131021); Project of Outstanding Young-aged Talents of Beijing Municipal Commission of Education (No.CIT & TCD201304163); the Project of Great Wall Scholar and KEY project of Beijing Municipal Commission of Education (grants KZ201310028033) and the State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS) (No.123114).
      One new genus with a new fossil species, Declinimodus setulosus gen. et sp. nov. which was found in the Middle Jurassic Jiulongshan Formation of Daohugou, Inner Mongolia, China, are described and illustrated. The new species is assigned to the Rhyacophilidae according to button-shaped of the 2nd segment of maxillary palp, and the forked R1 (in the forewing, located near apex). These new discovery are the earliest fossil records of Rhyacophilidae, which providing important evident for the study of the origin and early evolution of Trichoptera.
Key words:Trichoptera, Rhyacophilidae, fossil, Jiulongshan Formation
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