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Type: Article
Published: 2020-05-04
Page range: 435–442
Abstract views: 64
PDF downloaded: 3

The oldest fossil darkling beetle of the genus Neomida Latreille, 1829 (Coleoptera: Tenebrionidae) from Eocene Baltic amber examined with X-ray microtomography 

Precaspian Institute of Biological Resources of the Daghestan Federal Research Centre of the Russian Academy of Sciences, M. Gadzhiev Str. 45, Makhachkala, Republic of Dagestan, 367000, Russia. Dagestan State University, 43a M. Gadzhiev Str., Makhachkala, Republic of Dagestan, 367000, Russia
3Institute of Life Sciences and Technologies, Daugavpils University, Vienîbas iela 13, Daugavpils, LV-5401, Latvia.
Institute of Life Sciences and Technologies, Daugavpils University, Vienîbas iela 13, Daugavpils, LV-5401, Latvia.
Coleoptera Diaperinae palaeontology new species Cenozoic fossil resin X-ray micro-CT


Based on a single well-preserved specimen from Eocene Baltic amber, a new tenebrionid beetle Neomida groehni Nabozhenko et Bukejs sp. nov. (Diaperinae: Diaperini) is described and illustrated using phase-contrast X-ray microtomography. This oldest representative of the genus differs from all known extant and extinct congeners by the dorsally very weakly convex pronotum with undulate lateral margins (while other Neomida have a pronotum that is strongly convex along its transverse axis, with evenly rounded lateral margins); distinct, right posterior angles of pronotum; and elevated sutural area of the elytra.



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