Formica ribbeckei

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Formica ribbeckei
Temporal range: Priabonian, Late Eocene Rovno amber, Ukraine
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Formicini
Genus: Formica
Species: F. ribbeckei
Binomial name
Formica ribbeckei
Radchenko & Perkovsky, 2021

Identification

Maxillary palps 5-segmented, long, reaching occipital foramen, its apical and preapical segments subequal in length; gastral tergites with sparse decumbent pubescence, distance between setae greater than their length; first funicular segment ≤ 1.2 times as long as second one, and ≤ 2.25 times as long as broad.

Distribution

This taxon was described from Rovno amber (Priabonian, Late Eocene).

Castes

Nomenclature

The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • ribbeckei. †Formica ribbeckei Radchenko & Perkovsky, in Radchenko et al., 2021: 240-242, figs. 1-2 (w.) UKRAINE, ROVNO AMBER (Eocene).

Type Material

  • Holotype: worker, SIZK GU–25, Ukraine, Zhitomir Region, Korosten’ District, village Gulyanka, Rovno amber, late Eocene, 33.9–37.8 Ma.
  • Paratypes: worker, SIZK K–3566, Ukraine, Rovno Region, Klesov; worker, SIZK K–3514, Ukraine, Rovno Region, Klesov; worker, collection of M. Khomych, No. KH–F–507, Ukraine, Rovno Region, Vladimirets District, vicinity of village Voronky, Rovno amber, late Eocene, 33.9–37.8 Ma.

Description

References