Two New Aphaenogaster Species (Hymenoptera, Formicidae) from Baltic Amber

A. G. Radchenko; C.  Gröhn; H.-W.  Ribbecke

doi:10.15407/zoo2024.03.195

A. G. Radchenko I. I. Schmalhausen Institute of Zoology NAS of Ukraine, Kyiv https://orcid.org/0000-0002-8850-0530
C. Gröhn Bünebüttler Weg 7, Glinde, D-21509, Germany https://orcid.org/0000-0002-3492-7264
H.-W. Ribbecke Liepen 21, Thelkow, D-18195, Germany https://orcid.org/0000-0001-5633-3267

DOI: https://doi.org/10.15407/zoo2024.03.195

Keywords: ants, Formicidae, Myrmicinae, new species, Aphaenogaster groehni, Aphaenogaster ribbeckei, Late Eocene, palaeontology, taxonomy

Abstract

Aphaenogaster groehni Radchenko, sp. n. and A. ribbeckei Radchenko, sp. n., are described from the Late Eocene Baltic amber, each based on the holotype worker. Aphaenogaster groehni Radchenko, sp. n. differs from previously described species from the Late Eocene European ambers by a distinctly narrowed posteriorly head without pronounced occipital corners and a longer antennal scape, and A. ribbeckei Radchenko, sp. n. differs by a more slender mesosoma. The taxonomic position of the new species is discussed.

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