A new genus and species of Pristocerinae (Hymenoptera, Bethylidae) from upper Eocene Baltic amber with a review of conspecific association from insect fossils Author Tribull, Carly Melissa https://orcid.org/0000-0002-1044-0486 Farmingdale State College (State University of New York), Biology Department, Farmingdale NY, USA cmtribull@gmail.com Author Pankowski, Madeline V. Rockville, Maryland, USA Author Colombo, Wesley Dondoni https://orcid.org/0000-0001-8729-4635 Universidade Federal do Espirito Santo, Departamento de Ciencias Biologicas, Vitoria ES, Brazil text Journal of Hymenoptera Research 2021 2021-08-31 85 119 133 http://dx.doi.org/10.3897/jhr.85.68658 journal article http://dx.doi.org/10.3897/jhr.85.68658 1314-2607-85-119 9D5B00CA75F04E1FB84711D490F769CD 8935A382F3A3566AAD7C650E899F46D5 5491729 † Archeonesia eocena Tribull, Pankowski & Colombo sp. nov. Description. Male holotype (Figs 1 - 4 ). Same as the genus, except for the following features: body length 4.0 mm. Mandible pentadentate. Palpal formula 5:3. Genitalia not visible. Female allotype (Figs 1 - 3 , 5 ). Same as the genus, except for the following features: body length 3.30 mm. Mandible not unidendate, either bidendate or tridendate, but obscured by bubbles in resin. Palps obscured. Metasoma polished. Type material. Holotype, deposited at the AMNH Invertebrate Zoology Collection (specimen catalogue number AMNH_IZC 00361788). Two complete flat wasps are embedded in amber measuring about 21 mm x 11 mm. There are numerous bubbles, but no other syninclusions. Etymology. The species epithet Archeonesia eocena represents the geological epoch the species is known from. Stratigraphic horizon. Priabonian, 33.9 to 37.7 million years ago ( Cohen et al. 2020 ), upper Eocene.