Eotemnothorax rectispinus

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Eotemnothorax rectispinus
Temporal range: Priabonian, Late Eocene Baltic amber, Baltic Sea region
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Eotemnothorax
Species: E. rectispinus
Binomial name
Eotemnothorax rectispinus
Radchenko, 2024

Photo Gallery

  • Radchenko (2024), Figure 4. Photographs of workers of Eotemnothorax armatum, HOLOTYPE: (A) body, dorsal view; (B) head, anterior-dorsal view; PARATYPE: (C) SIZK K-15888, body, lateral view; Eotemnothorax rectispinus, HOLOTYPE: (D) body, lateral view; (E) body, dorsal view; PARATYPE: (F) GZG.BST 27.189, body, lateral view.

Identification

Eotemnothorax rectispinus is most similar to Eotemnothorax groehni, Eotemnothorax petiolatus and Eotemnothorax armatum. It differs from E. groehni in having almost straight, thinner propodeal spines, directed mainly upward at an angle ca. 60°.

For the differences from Eotemnothorax petiolatus and Eotemnothorax armatum, see these species.

Keys including this Species

Distribution

This taxon was described from Baltic amber, Baltic Sea region, Europe (Priabonian, Late Eocene), Bitterfeld amber, Baltic Sea region, Europe (Priabonian, Late Eocene) and Rovno amber, Baltic Sea region, Europe (Priabonian, Late Eocene).

Castes

Nomenclature

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

  • rectispinus. †Eotemnothorax rectispinus Radchenko, 2024: 733, Fig. 4D-F (w.q.) BALTIC AMBER (Eocene), BITTERFELD AMBER (Eocene), ROVNO AMBER (Eocene).

Type Material

  • Holotype worker, complete specimen, Rovno amber, OL-224 (SIZK).
  • Paratypes: worker, Rovno amber, OL-226 (SIZK) (with 3 workers of Yantaromyrmex geinitzi; worker, Rovno amber, ZH-126 (SIZK); worker, Bitterfeld amber, 27.189 (GZG.BST) (collection of M. Kutscher); worker, Bitterfeld amber, 27.168 (GZG.BST) (collection of M. Kutscher); worker, Baltic amber, BS038/052 (HWRC); worker, Baltic amber, BS136/214 (HWRC); gyne, Baltic amber, 11/381 (MNB); non-type material: worker, Baltic amber, 10596 (JDC).

Localities. Poland, Baltic amber; Germany, Saxony-Anhalt, Bitterfeld amber; Ukraine, Rivne Prov., Rovno amber, all late Eocene, Priabonian age, 37.8–33.9 Ma.

Description

References