Articles | Volume 23, issue 1
https://doi.org/10.5194/fr-23-105-2020
https://doi.org/10.5194/fr-23-105-2020
Research article
 | 
11 Jun 2020
Research article |  | 11 Jun 2020

Description of the male of fossil Calomicrus eocenicus Bukejs et Bezděk (Coleoptera: Chrysomelidae: Galerucinae) from Eocene Baltic amber using X-ray microtomography

Andris Bukejs, Jan Bezděk, Vitalii I. Alekseev, Kristaps Kairišs, and Ryan C. McKellar

Related authors

The first extinct species of Acritus LeConte, 1853 (Histeridae: Abraeinae) from Eocene Baltic amber: a microscopic beetle inclusion studied with X-ray micro-computed tomography
Vitalii I. Alekseev and Andris Bukejs
Foss. Rec., 24, 223–231, https://doi.org/10.5194/fr-24-223-2021,https://doi.org/10.5194/fr-24-223-2021, 2021
Short summary
A new enigmatic lineage of Dascillidae (Coleoptera: Elateriformia) from Eocene Baltic amber described using X-ray microtomography, with notes on Karumiinae morphology and classification
Robin Kundrata, Matthew L. Gimmel, Gabriela Packova, Andris Bukejs, and Stephan M. Blank
Foss. Rec., 24, 141–149, https://doi.org/10.5194/fr-24-141-2021,https://doi.org/10.5194/fr-24-141-2021, 2021
Short summary
Two new species of the family Rhynchitidae (Coleoptera: Curculionoidea) from Eocene Baltic amber, with key to species and assumed trophic relationships
Andris Bukejs and Andrei A. Legalov
Foss. Rec., 24, 117–127, https://doi.org/10.5194/fr-24-117-2021,https://doi.org/10.5194/fr-24-117-2021, 2021
Short summary
A new Eocene Bacanius species (Histeridae: Dendrophilinae) from Baltic amber
Vitalii I. Alekseev and Andris Bukejs
Foss. Rec., 24, 93–99, https://doi.org/10.5194/fr-24-93-2021,https://doi.org/10.5194/fr-24-93-2021, 2021
Short summary
The first described turtle beetles from Eocene Baltic amber, with notes on fossil Chelonariidae (Coleoptera: Byrrhoidea)
Vitalii I. Alekseev, Jerit Mitchell, Ryan C. McKellar, Mauricio Barbi, Hans C. E. Larsson, and Andris Bukejs
Foss. Rec., 24, 19–32, https://doi.org/10.5194/fr-24-19-2021,https://doi.org/10.5194/fr-24-19-2021, 2021
Short summary

Related subject area

Taxonomy and biodiversity
Ingensalinae subfam. nov. (Hemiptera: Fulgoromorpha: Fulgoroidea: Inoderbidae), a new planthopper subfamily from mid-Cretaceous Kachin amber from Myanmar
Cihang Luo, Zhishun Song, Xiaojing Liu, Tian Jiang, Edmund A. Jarzembowski, and Jacek Szwedo
Foss. Rec., 24, 455–465, https://doi.org/10.5194/fr-24-455-2022,https://doi.org/10.5194/fr-24-455-2022, 2022
Short summary
The first xiphydriid wood wasp in Cretaceous amber (Hymenoptera: Xiphydriidae) and a potential association with Cycadales
Jia Gao, Michael S. Engel, Friðgeir Grímsson, Lei Gu, Dong Ren, and Tai-Ping Gao
Foss. Rec., 24, 445–453, https://doi.org/10.5194/fr-24-445-2022,https://doi.org/10.5194/fr-24-445-2022, 2022
Short summary
Albian to Turonian agglutinated foraminiferal assemblages of the Lower Saxony Cretaceous sub-basins – implications for sequence stratigraphy and paleoenvironmental interpretation
Richard M. Besen, Ulrich Struck, and Ekbert Seibertz
Foss. Rec., 24, 395–441, https://doi.org/10.5194/fr-24-395-2021,https://doi.org/10.5194/fr-24-395-2021, 2021
Short summary
Past ecosystems drive the evolution of the early diverged Symphyta (Hymenoptera: Xyelidae) since the earliest Eocene
Corentin Jouault, Arvid Aase, and André Nel
Foss. Rec., 24, 379–393, https://doi.org/10.5194/fr-24-379-2021,https://doi.org/10.5194/fr-24-379-2021, 2021
Short summary
Ontogenetic development of the European basal aquatic turtle Pleurosternon bullockii (Paracryptodira, Pleurosternidae)
Andrea Guerrero and Adán Pérez-García
Foss. Rec., 24, 357–377, https://doi.org/10.5194/fr-24-357-2021,https://doi.org/10.5194/fr-24-357-2021, 2021
Short summary

Cited articles

Aleksandrova, G. N. and Zaporozhets, N. I.: Palinological characteristic of the Upper Cretaceous and Paleogene sediments of the western part of the Sambian peninsula (the Kaliningrad region). Paper 2, Stratigraphy, Geological correlation, 16, 75–86, 2008. 
Alekseev V. I.: New taxa of Baltic amber false darkling beetles (Coleoptera: Melandryidae), Baltic Journal of Coleopterology, 14, 79–96, 2014. 
Alekseev, V. I. and Bukejs, A.: New Zopheridae (Coleoptera: Tenebrionoidea) from Baltic amber, Zootaxa, 4178, 409–427, https://doi.org/10.11646/zootaxa.4178.3.6, 2016. 
Alekseev, V. I. and Bukejs, A.: New fossil taxa of Ischalia Pascoe (Coleoptera: Ischaliidae) from Eocene Baltic amber, Zootaxa, 4323, 229–238, https://doi.org/10.11646/zootaxa.4323.2.6, 2017. 
Alekseev, V. I. and Grzymala, T. L.: New Aderidae (Coleoptera: Tenebrionoidea) from Baltic and Bitterfeld amber, Zootaxa, 3956, 239–257, https://doi.org/10.11646/zootaxa.3956.2.5, 2015. 
Download
Short summary
A male of the extinct leaf-beetle species Calomicrus eocenicus embedded in Baltic amber is found and compared with an earlier known female. The beetle genitalia are illustrated in detail using X-ray microtomography. The male is smaller than female and has a modified last abdominal segment. The extinct species (about 40 million years old) possesses typical sexual characters which are similar to the characters of extant beetles within the group.