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Issue: Vol. 4550 No. 4: 29 Jan. 2019
Type: Article
Published: 2019-01-29
DOI: 10.11646/zootaxa.4550.4.6
Page range: 565–572
Abstract views: 65
PDF downloaded: 3

A new fossil species of Pycnomerus Erichson (Coleoptera: Zopheridae) from Baltic amber, and a replacement name for a Recent North American congener

Institute of Life Sciences and Technologies, Daugavpils University, Vienības 13, Daugavpils, LV-5401, Latvia.
Shirshov Institute of Oceanology, Russian Academy of Sciences, Nahimovskiy prospekt 36, Moscow, 117997, Russia.
Department of Anatomy and Cell Biology, University of Saskatchewan, 107 Wiggins Rd., Saskatoon, SK, S7N 5E5, Canada.
Department of Anatomy and Cell Biology, University of Saskatchewan, 107 Wiggins Rd., Saskatoon, SK, S7N 5E5, Canada.
Royal Saskatchewan Museum, 2445 Albert St., Regina, SK, S4P 4W7, Canada. Biology Department, University of Regina, Regina, SK, S4S 0A2, Canada Department of Ecology & Evolutionary Biology, University of Kansas, Lawrence, Kansas, 66045, USA.
Coleoptera ironclad beetles Zopherinae Paleogene Eocene fossil resin SR X-ray micro-CT

Abstract

Based on a well-preserved specimen from Eocene Baltic amber, the second fossil species belonging to the genus Pycnomerus Erichson (Coleoptera: Zopheridae: Zopherinae), P. agtsteinicus Bukejs, Alekseev & McKellar sp. nov. is described and illustrated using synchrotron X-ray micro-CT observations. The new species adds to the sparse fossil record of Pycnomerus, which consists of the Baltic amber discoveries, and only four subfossil records in sediments that are less than one million years old. As part of this work, the new replacement name Pycnomerus lordi Bukejs, Alekseev & McKellar nom. nov. is also established for the extant species Pycnomerus sulcicollis LeConte, 1863 [non Pycnomerus sulcicollis (Germar, 1824)].

 

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