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New earwig nymphs (Dermaptera: Pygidicranidae) in mid-Cretaceous amber fromFrance

Abstract : A new genus and species of earwig is described and figured from Early Cretaceous (Latest Albian­Earliest Cenomanian) amber of southwestern France. The holotype was studied using traditional light microscopy as well as through propagation phase contrast X-ray synchrotron microtomography, rendering high resolution three-dimensional models for critical examination. Gallinympha walleri Perrichot & Engel, new genus and species, is represented by two late instar nymphs missing only portions of the abdomen, as well as most of the head for the paratype. The genus is a member of the Pygidicranidae, one of the most basal of living earwigs, and is distinguished from other taxa in the family. A thorough account of the specimen's morphology is provided along with a detailed comparison with similar structures across a diversity of primitive earwig lineages.
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Submitted on : Thursday, July 21, 2011 - 2:54:43 PM
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Vincent Perrichot, Michael S. Engel, André Nel, Paul Tafforeau, Carmen Soriano. New earwig nymphs (Dermaptera: Pygidicranidae) in mid-Cretaceous amber fromFrance. Cretaceous Research, Elsevier, 2011, 32 (3), pp.325-330. ⟨10.1016/j.cretres.2011.01.004⟩. ⟨insu-00610287⟩



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