Paraneuretus tornquisti

AntWiki: The Ants --- Online
Paraneuretus tornquisti
Temporal range: Bartonian, Middle to Late Eocene Baltic amber, Baltic Sea region
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Aneuretinae
Genus: Paraneuretus
Species: P. tornquisti
Binomial name
Paraneuretus tornquisti
Wheeler, W.M., 1915

Photo Gallery

  • Radchenko & Khomych (2022), Figure 2. Photograph of Paraneuretus tornquisti, worker (collection number K-9135, Rovno amber): (A) body in left lateral view; (B) body in right lateral view; (C) mesosoma and abdomen in left lateral view (photo A. Radchenko).

Identification

Differences between workers of Protaneuretus succineus and Paraneuretus tornquisti (based on Wheeler (1915), with additions by Radchenko & Khomych (2022))
Protaneuretus succineus Paraneuretus tornquisti
Propodeum slightly convex, with two short sharp teeth, directed upward Propodeum inflated and gradually rounded, without teeth
Antennal scape shorter than head (SL < HL) Antennal scape longer than head (SL > HL)
Entire body, including scapes and legs, with abundant long erect hairs Head and mesosoma with sparse erect hairs; all gastral sternites and tergites, starting from third, with abundant long erect hairs; petiole, scapes and legs (except coxae) without hairs
Mesopleurae and sides of propodeum with longitudinal rugae, propodeal dorsum with transverse rugosity Entire body smooth
Helcium attached on the middle of anterior face of first gastral segment Helcium attached high on anterior face of first gastral segment

Distribution

This taxon was described from Baltic amber (Bartonian, Middle to Late Eocene) and is also known from Bitterfeld amber (Bartonian, Middle to Late Eocene) (Perkovsky, 2016) and Rovno amber (Priabonian, Late Eocene) (Radchenko & Khomych, 2022).

Castes

Nomenclature

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

  • tornquisti. †Paraneuretus tornquisti Wheeler, W.M. 1915h: 75, fig. 32 (w.m.) BALTIC AMBER (Eocene).

Description

References