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Recent Findings from Natural History Museum Has Provided New Information about Evolutionary Biology (A new Cretaceous genus of xyelydid sawfly...

August 5, 2014



Recent Findings from Natural History Museum Has Provided New Information about Evolutionary Biology (A new Cretaceous genus of xyelydid sawfly illuminating nygmata evolution in Hymenoptera)

By a News Reporter-Staff News Editor at Life Science Weekly -- Investigators publish new report on Life Science Research. According to news reporting from London, United Kingdom, by NewsRx journalists, research stated, "Nygmata are prominent glandular structures on the wings of insects. They have been documented in some extant insects, including several families of Neuroptera and Mecoptera, the majority of Trichoptera, and a few of the hymenopteran Symphyta."

The news correspondents obtained a quote from the research from Natural History Museum, "However, because nygmata are rarely preserved in compression fossils, their early development and evolution are still enigmatic. For example, the only documented nygmata in the Hymenoptera are on the forewings of the Triassic xyelids Asioxyela paurura and Madygenius primitives. This study describes and illustrates a new genus and species from the family Xyelydidae, Rectilyda sticta gen. et sp. nov., from the Early Cretaceous Yixian Formation of Duolun County, Inner Mongolia, China. This genus has 1-RS reclival and linearly aligned with 1-M, which is different from all other genera in the Xyelydidae. In addition, R. sticta gen. et sp. nov. has clearly preserved nygmata: four symmetrical nygmata on each forewing and two on each hind wing."

According to the news reporters, the research concluded: "Previous reports of nygmata on the forewings of Triassic xyelids and extant sawflies, together with this new fossil record of nygmata, provide rare insights into their developmental trends, as well as into the evolution of hymenopterans and insects in general."

For more information on this research see: A new Cretaceous genus of xyelydid sawfly illuminating nygmata evolution in Hymenoptera. BMC Evolutionary Biology, 2014;14():1-11. BMC Evolutionary Biology can be contacted at: Biomed Central Ltd, 236 Grays Inn Rd, Floor 6, London WC1X 8HL, England. (BioMed Central - www.biomedcentral.com/; BMC Evolutionary Biology - www.biomedcentral.com/bmcevolbiol/)

Our news journalists report that additional information may be obtained by contacting M. Wang, Nat Hist Museum, Dept. of Palaeontol, London SW7 5BD, United Kingdom. Additional authors for this research include A.P. Rasnitsyn, C.K. Shih and D. Ren (see also Life Science Research).

Keywords for this news article include: London, Europe, United Kingdom, Life Science Research

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Life Science Weekly


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