Journal
JOURNAL OF HYMENOPTERA RESEARCH
Volume 82, Issue -, Pages 237-251Publisher
PENSOFT PUBLISHERS
DOI: 10.3897/jhr.82.64599
Keywords
European ambers; Formica ribbeckei; new species; paleontology; syninclusions; taxonomy
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Funding
- [2020/02/0369]
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A new species, Formica ribbeckei, is described based on four workers from late Eocene Rovno amber in Ukraine. This species is most similar to F. flori, but differs mainly in the 5-segmented maxillary palps and shorter first funicular segment.
A new species, Formica ribbeckei Radchenko & Perkovsky, sp. nov., is described based on four workers from late Eocene Rovno amber (Ukraine). It most resembles F. flori Mayr, 1868 but differs from the latter mainly by the 5-segmented maxillary palps with the prcapical segment subequal in length to the apical one, and by the shorter first funicular segment. Fossil F. luteola Presl, 1822, F. trigona Presl, 1822, F. macrognatha Presl, 1822 and F. quadrata Holl, 1829 are considered incertae sedis in Formicidae. Thus, ten valid Formica Linnaeus, 1758 species (including F. ribbeckei) are known now from late Eocene European ambers. The diversity of Formica in the early and middle Eocene deposits of Eurasia and North America is considered. It is assumed that the genus Formica most likely arose in the early Eocene.
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